* Copyright (C) 2010 - 2025
* All Rights Reserved.
*
* Contributor(s):
* Mark J Crane
* Luis Daniel Lucio Quiroz
*/
/**
* Database class
*
* @property $name Alias of app_name
*/
class database {
const TABLE_PREFIX = 'v_';
/**
* Stores the application built from the app_config files.
*
* @see $apps
* @access private
* @var array
*/
private static $apps = [];
/**
* Singleton type class
*
* @var database
*/
private static $database;
/**
* Database connection
*
* @access private
* @var PDO object
*/
public $db;
/**
* Driver to use.
*
* @access public
* @var string Can be pgsql, mysql, sqlite, odbc
*/
public $driver;
/**
* Alias of driver.
*
* @access public
* @see $driver
* @var string Can be pgsql, mysql, sqlite, odbc
*/
public $type;
/**
* Host for database connection
*
* @access public
* @var string host name or IP address.
*/
public $host;
/**
* Port number
*
* @access public
* @var int 1025 - 65534
*/
public $port;
/**
* Database name
*
* @access public
* @var string
*/
public $db_name;
/**
* Database security
*
* @access public
* @var boolean
*/
public $db_secure;
/**
* Specifies the file name of the client SSL certificate
*
* @access public
* @var string full path
*/
public $db_cert_authority;
/**
* Username used to connect
*
* @access public
* @var string
*/
public $username;
/**
* Password used to connect
*
* @access public
* @var string
*/
public $password;
/**
* Full path to file name.
*
* @access public
* @var string full path to file name
*/
public $path;
/**
* Where clause(s) of an SQL statement.
* Array of arrays must be passed with each having the
* following keys:
*
- 'name' - Any valid column name.
* - 'operator' - Must be one of the following values: =, >, <, >=, <=, <>, !=
* - 'value' - Value being matched
* Example Usage:
* $db->where['SearchTerm'] = ['name'=>'MyColumn','operator'=>'=','value'=>'MySearchTerm'
* $db->where['NextSearchTerm'] =
* ['name'=>'MyColumn','operator'=>'=','value'=>'MyOtherSearchTerm'
* Below is equivalent to the above.
* $db->where[0] = ['name'=>'MyColumn','operator'=>'=','value'=>'MyValue'
* $db->where[1] = ['name'=>'MyColumn','operator'=>'=>','value'=>'MyValue'
*
* @access public
* @see $order_by
* @var array Two dimensional array of key value pairs
*/
public $where; // array
/**
* Order By clause(s) of an SQL statement.
* Array of arrays must be passed with each having the
* following keys:
*
- 'name' - Any valid column name.
* - 'operator' - Must be one of the following values: =, >, <, >=, <=, <>, !=
* - 'value' - Value being matched
* Example Usage:
* $db->where['SearchTerm'] = ['name'=>'MyColumn','operator'=>'=','value'=>'MySearchTerm'
* $db->where['NextSearchTerm'] =
* ['name'=>'MyColumn','operator'=>'=','value'=>'MyOtherSearchTerm'
* Below is equivalent to the above.
* $db->where[0] = ['name'=>'MyColumn','operator'=>'=','value'=>'MyValue'
* $db->where[1] = ['name'=>'MyColumn','operator'=>'=>','value'=>'MyValue'
*
* @access private
* @see $where
* @var array Two dimensional array of key value pairs
*/
public $order_by;
/**
* Ascending or Descending order.
*
* @var string
* @access public
*/
public $order_type;
/**
* Numerical value to limit returned results.
*
* @var int Used for 'LIMIT' in SQL statement.
* @access public
*/
public $limit;
/**
* Numerical value to offset returned results.
*
* @var int Used for 'OFFSET' in SQL statement.
* @access public
*/
public $offset;
/**
* Array of fields.
* Fields are specified in 'name'=>'value' format.
*
Used by {@link database::add() } and {@link database::update() }
*
* @access public
* @see database::add()
* @see database::update()
* @var array Array of columns
*/
public $fields;
/**
* Unknown property
*
* @var unknown
* @access public
*/
public $count;
/**
* Unknown property
*
* @var unknown
* @access public
*/
public $sql;
/**
* Stores the application name making the request.
*
* @var string App name making database request.
* @access public
*/
public $name;
/**
* Stores the application name making the request.
*
* @see $app_uuid
* @access public
* @var string App name making database request.
*/
public $app_name;
/**
* Stores the application UUID making the request.
*
* @see $app_name
* @access public
* @var string
*/
public $app_uuid;
/**
* Stores the domain UUID making the request.
* This is defaulted to the Session domain UUID.
*
* @access public
* @uses $this->domain_uuid
Default value upon object creation
* @var string Domain UUID making request.
*/
public $domain_uuid;
/**
* Stores the user UUID making the request.
* This is defaulted to the Session domain UUID.
*
* @access public
* @uses $this->user_uuid
Default value upon object creation
* @var string Domain UUID making request.
*/
public $user_uuid;
/**
* Message for the query results.
*
* @var array Contains the message array after a query
* @access private
*/
public $message;
/**
* SSL Mode used to connect to the database
*
* @var string prefer or verify-ca. Default is 'prefer'
*/
public $ssl_mode;
/**
* Table name.
*
* @access private
* @var string sanitized
*/
private $table;
/**
* Stores the result from the most recent query. The type will be based on what was requested.
* NOTE: If an error occurred on the last query the result is set to an empty string.
*
* @var mixed
*/
private $result;
/**
* Config object used to get the database connection params
*
* @var config
*/
private $config;
/**
* Constructor for the class.
*
* This method initializes the object with setting_array and session data.
*
* @param array $params An optional array of settings to override default values. Defaults to [].
*/
public function __construct(array $params = []) {
// handle the config object
if (isset($params['config'])) {
$config = $params['config'];
} else {
// use singleton config
$config = config::load();
}
// driver and type point to the same value
$this->driver = $config->get('database.0.type', 'pgsql');
$this->type = $config->get('database.0.type', 'pgsql');
$this->host = $config->get('database.0.host', '127.0.0.1');
$this->port = $config->get('database.0.port', '5432');
$this->username = $config->get('database.0.username', 'fusionpbx');
$this->password = $config->get('database.0.password', 'fusionpbx');
$this->db_name = $config->get('database.0.name', 'fusionpbx');
$this->db_secure = $config->get('database.0.secure', '');
$this->db_cert_authority = $config->get('database.0.cert_authority', '');
$this->ssl_mode = $config->get('database.0.ssl_mode', '');
// save the reference to the single instance of the config to this object
$this->config = $config;
// connect to the database now
$this->connect();
// set the user_uuid
if (!empty($params['user_uuid'])) {
// use the parameter as the first priority when available
$this->user_uuid = $params['user_uuid'];
} elseif (!empty($_SESSION['user_uuid'])) {
// use the session when available
$this->user_uuid = $_SESSION['user_uuid'];
}
// set the domain_uuid
if (!empty($params['domain_uuid'])) {
// use the parameter as the first priority when available
$this->domain_uuid = $params['domain_uuid'];
} elseif (!empty($_SESSION['domain_uuid'])) {
// use the session when available
$this->domain_uuid = $_SESSION['domain_uuid'];
}
}
/**
* Connect to the database.
* Database driver must be set before calling connect.
* For types other than sqlite. Execution will stop on failure.
*
* @depends database::driver Alias of database::type.
*/
public function connect() {
// get the database connection settings
// $db_type = $conf['database.0.type'];
// $db_host = $conf['database.0.host'];
// $db_port = $conf['database.0.port'];
// $db_name = $conf['database.0.name'];
// $db_username = $conf['database.0.username'];
// $db_password = $conf['database.0.password'];
// debug info
// echo "db type:".$db_type."\n";
// echo "db host:".$db_host."\n";
// echo "db port:".$db_port."\n";
// echo "db name:".$db_name."\n";
// echo "db username:".$db_username."\n";
// echo "db password:".$db_password."\n";
// echo "db path:".$db_path."\n";
// echo "\n";
// set defaults
if (!isset($this->driver) && isset($db_type)) {
$this->driver = $db_type;
}
if (!isset($this->type) && isset($db_type)) {
$this->type = $db_type;
}
if (!isset($this->host) && isset($db_host)) {
$this->host = $db_host;
}
if (!isset($this->port) && isset($db_port)) {
$this->port = $db_port;
}
if (!isset($this->db_name) && isset($db_name)) {
$this->db_name = $db_name;
}
if (!isset($this->db_secure) && isset($db_secure)) {
$this->db_secure = $db_secure;
} else {
$this->db_secure = false;
}
if (!isset($this->username) && isset($db_username)) {
$this->username = $db_username;
}
if (!isset($this->password) && isset($db_password)) {
$this->password = $db_password;
}
if (!isset($this->path) && isset($db_path)) {
$this->path = $db_path;
}
if ($this->driver == 'sqlite') {
if (empty($this->db_name)) {
$server_name = $_SERVER['SERVER_NAME'];
$server_name = str_replace('www.', '', $server_name);
$db_name_short = $server_name;
$this->db_name = $server_name . '.db';
} else {
$db_name_short = $this->db_name;
}
$this->path = realpath($this->path);
if (file_exists($this->path . '/' . $this->db_name)) {
// connect to the database
$this->db = new PDO('sqlite:' . $this->path . '/' . $this->db_name); // sqlite 3
// PRAGMA commands
$this->db->query('PRAGMA foreign_keys = ON;');
$this->db->query('PRAGMA journal_mode = wal;');
// add additional functions to SQLite so that they are accessible inside SQL
// bool PDO::sqliteCreateFunction ( string function_name, callback callback [, int num_args] )
$this->db->sqliteCreateFunction('md5', 'php_md5', 1);
$this->db->sqliteCreateFunction('unix_timestamp', 'php_unix_timestamp', 1);
$this->db->sqliteCreateFunction('now', 'php_now', 0);
$this->db->sqliteCreateFunction('sqlitedatatype', 'php_sqlite_data_type', 2);
$this->db->sqliteCreateFunction('strleft', 'php_left', 2);
$this->db->sqliteCreateFunction('strright', 'php_right', 2);
} else {
$error_message = 'file not found';
$message['message'] = $error_message;
$this->message = $message;
return false;
}
}
if ($this->driver == 'mysql') {
try {
// mysql pdo connection
if (strlen($this->host) == 0 && empty($this->port)) {
// if both host and port are empty use the unix socket
$this->db = new PDO("mysql:host=$this->host;unix_socket=/var/run/mysqld/mysqld.sock;dbname=$this->db_name", $this->username, $this->password);
} else {
if (empty($this->port)) {
// leave out port if it is empty
$this->db = new PDO("mysql:host=$this->host;dbname=$this->db_name;", $this->username, $this->password, [
PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION,
]);
} else {
$this->db = new PDO("mysql:host=$this->host;port=$this->port;dbname=$this->db_name;", $this->username, $this->password, [
PDO::ATTR_ERRMODE,
PDO::ERRMODE_EXCEPTION,
]);
}
}
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
}
if ($this->driver == 'pgsql') {
// database connection
try {
if (!empty($this->host)) {
if (empty($this->port)) {
$this->port = '5432';
}
if ($this->db_secure === true) {
$this->db = new PDO("pgsql:host=$this->host port=$this->port dbname=$this->db_name user=$this->username password=$this->password sslmode=$this->ssl_mode sslrootcert=$this->db_cert_authority");
} else {
$this->db = new PDO("pgsql:host=$this->host port=$this->port dbname=$this->db_name user=$this->username password=$this->password");
}
} else {
$this->db = new PDO("pgsql:dbname=$this->db_name user=$this->username password=$this->password");
}
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
}
if ($this->driver == 'odbc') {
// database connection
try {
$this->db = new PDO('odbc:' . $this->db_name, $this->username, $this->password);
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
}
// connected to the database
return true;
}
/**
* Returns the depth of an array
*
* @param array $array Reference to array
*
* @return int Depth of array
* @internal Moved to class to conserve resources.
*/
public static function array_depth(array &$array) {
$depth = 0;
if (is_array($array)) {
$depth++;
foreach ($array as $value) {
if (is_array($value)) {
$depth = self::array_depth($value) + 1;
}
}
}
return $depth;
}
/**
* Searches through all fields to see if domain_uuid exists
*
* @param string $name
*
* @return boolean true on success and false on failure
* @see database::get_apps()
* @uses self::$apps directly
*/
public static function domain_uuid_exists($name) {
// get the $apps array from the installed apps from the core and mod directories
if (count(self::$apps) == 0) {
self::get_apps();
}
// search through all fields to see if domain_uuid exists
foreach (self::$apps as $x => &$app) {
if (is_array($app['db'])) {
foreach ($app['db'] as $y => $row) {
if (is_array($row['table']['name'])) {
$table_name = $row['table']['name']['text'];
} else {
$table_name = $row['table']['name'];
}
if ($table_name === self::TABLE_PREFIX . $name) {
if (is_array($row['fields'])) {
foreach ($row['fields'] as $field) {
if ($field['name'] == 'domain_uuid') {
return true;
}
} // foreach
} // is array
}
} // foreach
} // is array
} // foreach
// not found
return false;
}
/**
* Returns a new connected database object.
* This allows a shortcut for a common syntax. For more information
* on how the connection happens see {@link database::__construct()} and
* {@link database::connect()}
* Usage:
* $database_object = database::new();
*
* @return database the new instance of the database object already connected
* @see database::__construct()
* @see database::connect()
*/
public static function new(array $params = []) {
// re-use the database connection
if (self::$database === null) {
self::$database = new database($params);
if (!self::$database->is_connected()) {
self::$database->connect();
}
}
// set the user_uuid
if (!empty($params['user_uuid'])) {
// use the parameter as the first priority when available
self::$database->user_uuid = $params['user_uuid'];
} elseif (!empty($_SESSION['user_uuid'])) {
// use the session when available
self::$database->user_uuid = $_SESSION['user_uuid'];
}
// set the domain_uuid
if (!empty($params['domain_uuid'])) {
// use the parameter as the first priority when available
self::$database->domain_uuid = $params['domain_uuid'];
} elseif (!empty($_SESSION['domain_uuid'])) {
// use the session when available
self::$database->domain_uuid = $_SESSION['domain_uuid'];
}
return self::$database;
}
/**
* Ensure the database is still connected and active.
* NOTE:
* There is no method in PDO that can reliably detect if the connection is active. Therefore, a lightweight
* query is executed using the statement select 1.
*
* @return bool True if the database is connected. False otherwise.
*/
public function is_connected(): bool {
try {
$stmt = false;
if ($this->db !== null)
$stmt = $this->db->query('SELECT 1');
return $stmt !== false;
} catch (PDOException $ex) {
// database is not connected
return false;
} catch (Exception $e) {
// some other error has occurred, so record it
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
return true;
}
/**
* Magic function called whenever a property is requested.
* If any case statement is removed then access to the variable will be removed.
*
* @param mixed $name object property
*
* @return mixed
*/
public function __get($name) {
// remove any case statement below to remove access to the variable
switch ($name) {
case 'name':
return $this->app_name;
case 'app_name':
case 'app_uuid':
case 'db':
case 'db_cert_authority':
case 'db_name':
case 'db_secure':
case 'domain_uuid':
case 'driver':
case 'fields':
case 'host':
case 'limit':
case 'message':
case 'offset':
case 'order_by':
case 'order_type':
case 'password':
case 'path':
case 'port':
case 'result':
case 'sql':
case 'table':
case 'type':
case 'username':
case 'where':
case 'debug':
return $this->{$name};
case 'count':
return $this->count();
default:
trigger_error('Object property not available. Name: '.$name, E_USER_ERROR);
}
}
/**
* Magic function called whenever a property is attempted to be set.
* This is used to protect the values stored in the object properties.
*
* @param mixed $name Name of object property
* @param mixed $value Value of property
*/
public function __set($name, $value) {
switch ($name) {
case 'name':
case 'app_name':
$this->app_name = self::sanitize($value);
break;
case 'message':
if (is_array($value)) {
$this->message = $value;
} else {
trigger_error('Message property must be set to array type', E_USER_ERROR);
}
break;
case 'table':
$this->table = self::sanitize($value);
break;
case 'db_name':
$this->db_name = self::sanitize($value);
break;
case 'db':
if ($name instanceof PDO) {
$this->db = $value;
} else {
trigger_error('db property must be a PDO object!', E_USER_ERROR);
}
break;
case 'count':
break;
case 'path':
$value = realpath($value);
if (file_exists($value)) {
$this->path = $value;
} else {
trigger_error('Unable to find database path file!', E_USER_ERROR);
}
break;
case 'db_cert_authority':
if (!file_exists($value)) {
trigger_error('db cert authority not found!', E_USER_WARNING);
}
$this->db_cert_authority = $value;
break;
case 'port':
$value = (int) $value; // force cast to int
if ($value > 1023 && $value < 65536) {
$this->port = $value;
} // valid values are 1024...65535
else {
trigger_error('Port not a valid range', E_USER_ERROR);
}
break;
case 'app_uuid':
case 'domain_uuid':
if (is_uuid($value)) {
$this->domain_uuid = $value;
}
break;
case 'type':
case 'driver':
switch ($value) {
case 'pgsql':
case 'mysql':
case 'sqlite':
case 'odbc':
$this->type = $value;
$this->driver = $value;
break;
default:
trigger_error('Type/Driver must be set to pgsql,mysql,sqlite,odbc', E_USER_ERROR);
break;
}
case 'offset':
case 'limit':
if (is_int($value)) {
$this->$name = $value;
} else {
trigger_error('Offset or Limit not set to valid integer. Resetting to zero!', E_USER_WARNING);
}
break;
case '':
trigger_error('Database property must not be empty', E_USER_ERROR);
break;
case 'null':
case null:
trigger_error('Database property must not be null', E_USER_ERROR);
break;
case 'debug':
$this->debug = $value;
}
}
/**
* Returns a sanitized string value safe for the database or table name.
*
* @param string $value To be sanitized
*
* @return string Sanitized using preg_replace('#[^a-zA-Z0-9_\-]#', '')
* @see preg_replace()
*/
public static function sanitize(string $value) {
return preg_replace('#[^a-zA-Z0-9_\-]#', '', $value);
}
/**
* Counts the number of rows.
*
* @return int Represents the number of counted rows or -1 if failed.
*/
public function count() {
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// return if the table name is not set
if (empty($this->table)) {
return;
}
// sanitize the table name
// $this->table = self::sanitize($this->table); // no longer needed
// get the number of rows
$sql = 'select count(*) as num_rows from ' . $this->table . ' ';
$i = 0;
if (is_array($this->where)) {
foreach ($this->where as $row) {
// sanitize the name
$row['name'] = self::sanitize($row['name']);
// validate the operator
switch ($row['operator']) {
case '<':
break;
case '>':
break;
case '<=':
break;
case '>=':
break;
case '=':
break;
case '<>':
break;
case '!=':
break;
default:
// invalid operator
return -1;
}
// build the sql
if ($i == 0) {
$sql .= 'where ' . $row['name'] . ' ' . $row['operator'] . ' :' . $row['name'] . ' ';
} else {
$sql .= 'and ' . $row['name'] . ' ' . $row['operator'] . ' :' . $row['name'] . ' ';
}
// add the name and value to the params array
$params[$row['name']] = $row['value'];
// increment $i
$i++;
}
}
// unset($this->where); //should not be objects resposibility
$prep_statement = $this->db->prepare($sql);
if ($prep_statement) {
if (!isset($params)) {
$params = null;
}
$prep_statement->execute($params);
$row = $prep_statement->fetch(PDO::FETCH_ASSOC);
if ($row['num_rows'] > 0) {
return $row['num_rows'];
} else {
return 0;
}
}
unset($prep_statement);
}
public function execute($sql, $parameters = null, $return_type = 'all') {
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// set the error mode
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// run the query, and return the results
try {
$prep_statement = $this->db->prepare($sql);
if (is_array($parameters)) {
$prep_statement->execute($parameters);
} else {
$prep_statement->execute();
}
$message['message'] = 'OK';
$message['code'] = '200';
$message['sql'] = $sql;
if (is_array($parameters)) {
$message['parameters'] = $parameters;
}
$this->message = $message;
// return the results
switch ($return_type) {
case 'all':
return $prep_statement->fetchAll(PDO::FETCH_ASSOC);
case 'row':
return $prep_statement->fetch(PDO::FETCH_ASSOC);
case 'column';
return $prep_statement->fetchColumn();
default:
return $prep_statement->fetchAll(PDO::FETCH_ASSOC);
}
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
}
// Use this function to run complex queries
/**
* Returns the config object used to create this database object
*
* @return config Config object
*/
public function config(): config {
return $this->config;
}
/**
* Returns the table names from the database.
*
* @return array tables
* @depends connect()
*/
public function tables() {
$result = [];
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
if ($this->type == 'sqlite') {
$sql = 'SELECT name FROM sqlite_master ';
$sql .= "WHERE type='table' ";
$sql .= 'order by name;';
}
if ($this->type == 'pgsql') {
$sql = 'select table_name as name ';
$sql .= 'from information_schema.tables ';
$sql .= "where table_schema='public' ";
$sql .= "and table_type='BASE TABLE' ";
$sql .= 'order by table_name ';
}
if ($this->type == 'mysql') {
$sql = 'show tables';
}
if ($this->type == 'mssql') {
$sql = 'SELECT * FROM sys.Tables order by name asc';
}
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute();
$tmp = $prep_statement->fetchAll(PDO::FETCH_NAMED);
if ($this->type == 'pgsql' || $this->type == 'sqlite' || $this->type == 'mssql') {
if (is_array($tmp)) {
foreach ($tmp as $row) {
$result[]['name'] = $row['name'];
}
}
}
if ($this->type == 'mysql') {
if (is_array($tmp)) {
foreach ($tmp as $row) {
$table_array = array_values($row);
$result[]['name'] = $table_array[0];
}
}
}
return $result;
} // delete
/**
* Checks if the table exists in the database.
* Note:
* Table name must be sanitized. Otherwise, a warning will be
* emitted and false will be returned.
*
* @param string $table_name Sanitized name of the table to search for.
*
* @return boolean Returns true if the table exists and false if it does not.
* @depends connect()
*/
public function table_exists(string $table_name) {
if (self::sanitize($table_name) != $table_name) {
trigger_error('Table Name must be sanitized', E_USER_WARNING);
return false;
}
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// if unable to connect to the database
if (!$this->db) {
$message['message'] = 'Unable to connect to database';
$message['code'] = '500';
$message['line'] = __LINE__;
$message['file'] = __FILE__;
$message['trace'] = '';
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
// query table store to see if the table exists
$sql = '';
if ($this->type == 'sqlite') {
$sql .= "SELECT * FROM sqlite_master WHERE type='table' and name='$table_name' ";
}
if ($this->type == 'pgsql') {
$sql .= "select * from pg_tables where schemaname='public' and tablename = '$table_name' ";
}
if ($this->type == 'mysql') {
$sql .= "SELECT TABLE_NAME FROM information_schema.tables WHERE table_schema = '" . $this->db_name . "' and TABLE_NAME = '$table_name' ";
}
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute();
$result = $prep_statement->fetchAll(PDO::FETCH_NAMED);
if (count($result) > 0) {
return true; // table exists
} else {
return false; // table doesn't exist
}
} // count
/**
* Checks if the column exists in the database.
* Note:
* Tables and Column names must be sanitized. Otherwise, a warning will be
* emitted and false will be returned.
*
* @param string $table_name Sanitized name of the table to search for.
* @param string $column_name Sanitized name of the column to search for.
*
* @return boolean Returns true if the column exists and false if it does not.
* @depends connect()
*/
public function column_exists(string $table_name, string $column_name) {
// sanitize the table name
if (self::sanitize($table_name) != $table_name) {
trigger_error('Table Name must be sanitized', E_USER_WARNING);
return false;
}
// sanitize the column name
if (self::sanitize($column_name) != $column_name) {
trigger_error('Column Name must be sanitized', E_USER_WARNING);
return false;
}
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// if unable to connect to the database
if (!$this->db) {
$backtrace = debug_backtrace();
echo "Connection Failed
\n";
echo 'line number ' . __line__ . "
\n";
echo '';
print_r($backtrace);
echo '
';
return false;
}
// check the sqlite database to see if the column exists
// if ($this->db_type == "sqlite") {
// $table_info = $this->table_info($table_name);
// if ($this->sqlite_column_exists($table_info, $column_name)) {
// return true;
// }
// else {
// return false;
// }
// }
// check the postgresql database to see if the column exists
if ($this->type == 'pgsql') {
$sql = "SELECT attname FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '$table_name' limit 1) AND attname = '$column_name'; ";
}
// check the mysql database to see if the column exists
if ($this->type == 'mysql') {
// $sql .= "SELECT * FROM information_schema.COLUMNS where TABLE_SCHEMA = '$db_name' and TABLE_NAME = '$table_name' and COLUMN_NAME = '$column_name' ";
$sql = "show columns from $table_name where field = '$column_name' ";
}
// return the results from the sql query
if (empty($sql)) {
return false;
} else {
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute();
$result = $prep_statement->fetchAll(PDO::FETCH_NAMED);
if (!$result) {
return false;
}
if (count($result) > 0) {
return true;
} else {
return false;
}
unset($prep_statement);
}
} // select
/**
* Queries {@link database::table_info()} to return the fields.
*
* @access public
* @return array Two dimensional array
* @depends table_info()
*/
public function fields() {
// public $db;
// public $type;
// public $table;
// public $name;
// initialize the array
$result = [];
// get the table info
$table_info = $this->table_info();
// set the list of fields
if ($this->type == 'sqlite') {
if (is_array($table_info)) {
foreach ($table_info as $row) {
$result[]['name'] = $row['name'];
}
}
}
if ($this->type == 'pgsql') {
if (is_array($table_info)) {
foreach ($table_info as $row) {
$result[]['name'] = $row['column_name'];
}
}
}
if ($this->type == 'mysql') {
if (is_array($table_info)) {
foreach ($table_info as $row) {
$result[]['name'] = $row['Field'];
}
}
}
if ($this->type == 'mssql') {
if (is_array($table_info)) {
foreach ($table_info as $row) {
$result[]['name'] = $row['COLUMN_NAME'];
}
}
}
// return the result array
return $result;
}
/**
* Returns table information from the database.
*
* @return array table info
* @depends connect()
*/
public function table_info() {
// public $db;
// public $type;
// public $table;
// public $name;
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// get the table info
if (empty($this->table)) {
return false;
}
if ($this->type == 'sqlite') {
$sql = 'PRAGMA table_info(' . $this->table . ');';
}
if ($this->type == 'pgsql') {
$sql = 'SELECT ordinal_position, ';
$sql .= 'column_name, ';
$sql .= 'data_type, ';
$sql .= 'column_default, ';
$sql .= 'is_nullable, ';
$sql .= 'character_maximum_length, ';
$sql .= 'numeric_precision ';
$sql .= 'FROM information_schema.columns ';
$sql .= "WHERE table_name = '" . $this->table . "' ";
$sql .= "and table_catalog = '" . $this->db_name . "' ";
$sql .= 'ORDER BY ordinal_position; ';
}
if ($this->type == 'mysql') {
$sql = 'DESCRIBE ' . $this->table . ';';
}
if ($this->type == 'mssql') {
$sql = "SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '" . $this->table . "'";
}
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute();
// set the result array
return $prep_statement->fetchAll(PDO::FETCH_ASSOC);
}
/**
* Searches database using the following object properties:
*
* - table - sanitized name of the table {@see database::table}
* - where - where clause {@see database::where}
* - order_by - order_by clause {@see database::order_by}
* - limit - limit clause {@see database::limit}
* - offset - offset clause {@see database::offset}
*
*
* @return boolean
* @depends connect()
*/
public function find() {
// connect;
// table;
// where;
// order_by;
// limit;
// offset;
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// get data from the database
$sql = 'select * from ' . $this->table . ' ';
if ($this->where) {
$i = 0;
if (is_array($this->where)) {
foreach ($this->where as $row) {
// sanitize the name
$row['name'] = self::sanitize($row['name']);
// validate the operator
switch ($row['operator']) {
case '<':
break;
case '>':
break;
case '<=':
break;
case '>=':
break;
case '=':
break;
case '<>':
break;
case '!=':
break;
default:
// invalid operator
return false;
}
// build the sql
if ($i == 0) {
// $sql .= 'where '.$row['name']." ".$row['operator']." '".$row['value']."' ";
$sql .= 'where ' . $row['name'] . ' ' . $row['operator'] . ' :' . $row['name'] . ' ';
} else {
// $sql .= "and ".$row['name']." ".$row['operator']." '".$row['value']."' ";
$sql .= 'and ' . $row['name'] . ' ' . $row['operator'] . ' :' . $row['name'] . ' ';
}
// add the name and value to the params array
$params[$row['name']] = $row['value'];
// increment $i
$i++;
}
}
}
if (is_array($this->order_by)) {
$sql .= 'order by ';
$i = 1;
if (is_array($this->order_by)) {
foreach ($this->order_by as $row) {
// sanitize the name
$row['name'] = self::sanitize($row['name']);
// sanitize the order
switch ($row['order']) {
case 'asc':
break;
case 'desc':
break;
default:
$row['order'] = '';
}
// build the sql
if (count($this->order_by) == $i) {
$sql .= $row['name'] . ' ' . $row['order'] . ' ';
} else {
$sql .= $row['name'] . ' ' . $row['order'] . ', ';
}
// increment $i
$i++;
}
}
}
// limit
if (isset($this->limit) && is_numeric($this->limit)) {
$sql .= 'limit ' . $this->limit . ' ';
}
// offset
if (isset($this->offset) && is_numeric($this->offset)) {
$sql .= 'offset ' . $this->offset . ' ';
}
$prep_statement = $this->db->prepare($sql);
if ($prep_statement) {
$prep_statement->execute($params);
$array = $prep_statement->fetchAll(PDO::FETCH_ASSOC);
unset($prep_statement);
return $array;
} else {
return false;
}
} // end function copy
public function delete(array $array) {
// set the default value
$retval = true;
// return the array
if (!is_array($array)) {
return false;
}
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// set the message id
$m = 0;
// debug sql
// $this->debug["sql"] = true;
// set the message id
$m = 0;
// loop through the array
$checked = false;
$x = 0;
foreach ($array as $parent_name => $tables) {
if (is_array($tables)) {
// get the application name and uuid
if (class_exists($parent_name) && defined("$parent_name::app_name")) {
$this->app_name = $parent_name::app_name;
$this->app_uuid = $parent_name::app_uuid;
}
// process the array
foreach ($tables as $id => $row) {
// prepare the variables
$parent_name = self::sanitize($parent_name);
$parent_key_name = self::singular($parent_name) . '_uuid';
// build the delete array
if (!empty($row['checked']) && $row['checked'] == 'true') {
// set checked to true
$checked = true;
// delete the child data
if (isset($row[$parent_key_name])) {
$new_array[$parent_name][$x][$parent_key_name] = $row[$parent_key_name];
}
// remove the row from the main array
unset($array[$parent_name][$x]);
}
// loop through the fields
foreach ($row as $field_name => $field_value) {
// find the child tables
$y = 0;
if (is_array($field_value)) {
// prepare the variables
$child_name = self::sanitize($field_name);
$child_key_name = self::singular($child_name) . '_uuid';
// loop through the child rows
foreach ($field_value as $sub_row) {
// build the delete array
if ($row['checked'] == 'true') {
// set checked to true
$checked = true;
// delete the child data
$new_array[$child_name][][$child_key_name] = $sub_row[$child_key_name];
// remove the row from the main array
unset($array[$parent_name][$x][$child_name][$y]);
}
// increment the value
$y++;
}
}
}
// increment the value
$x++;
}
}
}
// if not checked, then copy the array to the delete array
if (!$checked) {
$new_array = $array;
}
// get the current data
if (count($new_array) > 0) {
// build an array of tables, fields, and values
foreach ($new_array as $table_name => $rows) {
foreach ($rows as $row) {
foreach ($row as $field_name => $field_value) {
$keys[$table_name][$field_name][] = $field_value;
}
}
}
// use the array to get a copy of the parent data before deleting it
foreach ($new_array as $table_name => $rows) {
foreach ($rows as $row) {
$table_name = self::sanitize($table_name);
$sql = 'select * from ' . self::TABLE_PREFIX . $table_name . ' ';
$i = 0;
foreach ($row as $field_name => $field_value) {
if ($i == 0) {
$sql .= 'where ';
} else {
$sql .= 'and ';
}
$sql .= $field_name . ' in ( ';
$i = 0;
foreach ($keys[$table_name][$field_name] as $field_value) {
$field_name = self::sanitize($field_name);
if ($i > 0) {
$sql .= ' ,';
}
$sql .= ' :' . $field_name . '_' . $i . ' ';
$i++;
}
$sql .= ') ';
$i = 0;
foreach ($keys[$table_name][$field_name] as $field_value) {
$parameters[$field_name . '_' . $i] = $field_value;
$i++;
}
}
}
if (isset($field_value) && $field_value != '') {
$results = $this->execute($sql, $parameters, 'all');
unset($parameters);
if (is_array($results)) {
$old_array[$table_name] = $results;
}
}
}
// get relations array
$relations = self::get_relations($parent_name);
// add child data to the old array
foreach ($old_array as $parent_name => $rows) {
// get relations array
$relations = self::get_relations($parent_name);
// loop through the rows
$x = 0;
foreach ($rows as $row) {
if (is_array($relations)) {
foreach ($relations as $relation) {
if ($relation['key']['action']['delete'] == 'cascade') {
// set the child table
$child_table = $relation['table'];
// remove the v_ prefix
if (substr($child_table, 0, strlen(self::TABLE_PREFIX)) == self::TABLE_PREFIX) {
$child_table = substr($child_table, strlen(self::TABLE_PREFIX));
}
// get the child data
$sql = 'select * from ' . self::TABLE_PREFIX . $child_table . ' ';
$sql .= 'where ' . $relation['field'] . ' = :' . $relation['field'];
$parameters[$relation['field']] = $row[$relation['field']];
$results = $this->execute($sql, $parameters, 'all');
unset($parameters);
if (is_array($results) && $parent_name !== $child_table) {
$old_array[$parent_name][$x][$child_table] = $results;
}
// delete the child data
if (isset($row[$relation['field']]) && !empty($row[$relation['field']])) {
$sql = 'delete from ' . self::TABLE_PREFIX . $child_table . ' ';
$sql .= 'where ' . $relation['field'] . ' = :' . $relation['field'];
$parameters[$relation['field']] = $row[$relation['field']];
// $this->execute($sql, $parameters);
}
unset($parameters);
}
}
}
$x++;
}
}
}
// use a try catch around the transaction
try {
// start the atomic transaction
$this->db->beginTransaction();
// delete the current data
foreach ($new_array as $table_name => $rows) {
// get the application name and uuid
if (class_exists($table_name) && defined("$table_name::app_name")) {
$this->app_name = $table_name::app_name;
$this->app_uuid = $table_name::app_uuid;
}
if (empty($this->app_name)) {
$app_name_singular = self::singular($table_name);
if (class_exists($app_name_singular) && defined("$app_name_singular::app_name")) {
$this->app_name = $app_name_singular::app_name;
$this->app_uuid = $app_name_singular::app_uuid;
}
}
// build and run the delete SQL statements
foreach ($rows as $row) {
if (permission_exists(self::singular($table_name) . '_delete')) {
$sql = 'delete from ' . self::TABLE_PREFIX . $table_name . ' ';
$i = 0;
foreach ($row as $field_name => $field_value) {
// echo "field: ".$field_name." = ".$field_value."\n";
if ($i == 0) {
$sql .= 'where ';
} else {
$sql .= 'and ';
}
$sql .= $field_name . ' = :' . $field_name . ' ';
$parameters[$field_name] = $field_value;
$i++;
}
try {
$this->execute($sql, $parameters);
$message['message'] = 'OK';
$message['code'] = '200';
$message['uuid'] = $id;
$message['details'][$m]['name'] = $this->app_name;
$message['details'][$m]['message'] = 'OK';
$message['details'][$m]['code'] = '200';
// $message["details"][$m]["uuid"] = $parent_key_value;
$message['details'][$m]['sql'] = $sql;
$this->message = $message;
$m++;
unset($sql, $statement);
} catch (PDOException $e) {
$retval = false;
$message['message'] = 'Bad Request';
$message['code'] = '400';
$message['details'][$m]['name'] = $this->app_name;
$message['details'][$m]['message'] = $e->getMessage();
$message['details'][$m]['code'] = '400';
$message['details'][$m]['sql'] = $sql;
$this->message = $message;
$m++;
}
unset($parameters);
} // if permission
} // foreach rows
} // foreach $array
// commit the atomic transaction
$this->db->commit();
} catch (PDOException $e) {
// rollback the transaction on error
if ($this->db->inTransaction()) {
$this->db->rollback();
}
// prepare the message array
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
// set the action if not set
$transaction_type = 'delete';
// log the transaction results
if (file_exists(dirname(__DIR__, 2) . '/app/database_transactions/app_config.php')) {
$sql = 'insert into ' . self::TABLE_PREFIX . 'database_transactions ';
$sql .= '(';
$sql .= 'database_transaction_uuid, ';
if (isset($this->domain_uuid) && is_uuid($this->domain_uuid)) {
$sql .= 'domain_uuid, ';
}
if (isset($this->user_uuid) && is_uuid($this->user_uuid)) {
$sql .= 'user_uuid, ';
}
if (isset($this->app_uuid) && is_uuid($this->app_uuid)) {
$sql .= 'app_uuid, ';
}
if (isset($this->app_name) && !empty($this->app_name)) {
$sql .= 'app_name, ';
}
$sql .= 'transaction_code, ';
$sql .= 'transaction_address, ';
$sql .= 'transaction_type, ';
$sql .= 'transaction_date, ';
$sql .= 'transaction_old, ';
$sql .= 'transaction_new, ';
$sql .= 'transaction_result ';
$sql .= ')';
$sql .= 'values ';
$sql .= '(';
$sql .= "'" . uuid() . "', ";
if (isset($this->domain_uuid) && is_uuid($this->domain_uuid)) {
$sql .= "'" . $this->domain_uuid . "', ";
}
if (isset($this->user_uuid) && is_uuid($this->user_uuid)) {
$sql .= ':user_uuid, ';
}
if (isset($this->app_uuid) && is_uuid($this->app_uuid)) {
$sql .= ':app_uuid, ';
}
if (isset($this->app_name) && !empty($this->app_name)) {
$sql .= ':app_name, ';
}
$sql .= "'" . $message['code'] . "', ";
$sql .= ':remote_address, ';
$sql .= "'" . $transaction_type . "', ";
$sql .= 'now(), ';
if (is_array($old_array)) {
$sql .= ':transaction_old, ';
} else {
$sql .= 'null, ';
}
if (is_array($new_array)) {
$sql .= ':transaction_new, ';
} else {
$sql .= 'null, ';
}
$sql .= ':transaction_result ';
$sql .= ')';
$statement = $this->db->prepare($sql);
if (isset($this->user_uuid) && is_uuid($this->user_uuid)) {
$statement->bindParam(':user_uuid', $this->user_uuid);
}
if (isset($this->app_uuid) && is_uuid($this->app_uuid)) {
$statement->bindParam(':app_uuid', $this->app_uuid);
}
if (isset($this->app_name) && !empty($this->app_name)) {
$statement->bindParam(':app_name', $this->app_name);
}
$statement->bindParam(':remote_address', $_SERVER['REMOTE_ADDR']);
if (is_array($old_array)) {
$old_json = json_encode($old_array, JSON_PRETTY_PRINT);
$statement->bindParam(':transaction_old', $old_json);
}
if (is_array($new_array)) {
$new_json = json_encode($new_array, JSON_PRETTY_PRINT);
$statement->bindParam(':transaction_new', $new_json);
}
$result = json_encode($this->message, JSON_PRETTY_PRINT);
$statement->bindParam(':transaction_result', $result);
$statement->execute();
unset($sql);
}
return $retval;
} // end function toggle
/**
* Converts a plural English word to singular.
*
* @param string $word English word
*
* @return string Singular version of English word
* @internal Moved to class to conserve resources.
*/
public static function singular(string $word) {
// "-es" is used for words that end in "-x", "-s", "-z", "-sh", "-ch" in which case you add
if (substr($word, -2) == 'es') {
if (substr($word, -4) == 'sses') { // eg. 'addresses' to 'address'
return substr($word, 0, -2);
} elseif (substr($word, -3) == 'ses') { // eg. 'databases' to 'database' (necessary!)
return substr($word, 0, -1);
} elseif (substr($word, -3) == 'ies') { // eg. 'countries' to 'country'
return substr($word, 0, -3) . 'y';
} elseif (substr($word, -3, 1) == 'x') {
return substr($word, 0, -2);
} elseif (substr($word, -3, 1) == 's') {
return substr($word, 0, -2);
} elseif (substr($word, -3, 1) == 'z') {
return substr($word, 0, -2);
} elseif (substr($word, -4, 2) == 'sh') {
return substr($word, 0, -2);
} elseif (substr($word, -4, 2) == 'ch') {
return substr($word, 0, -2);
} else {
return rtrim($word, 's');
}
} else {
return rtrim($word, 's');
}
} // save method
/**
* Get Relations searches through all fields to find relations
*
* @param string $schema Table name
*
* @return array Returns array or false
* @internal Moved to class to conserve resources.
*/
public static function get_relations($schema) {
// remove the v_ prefix
if (substr($schema, 0, strlen(self::TABLE_PREFIX)) == self::TABLE_PREFIX) {
$schema = substr($schema, strlen(self::TABLE_PREFIX));
}
// sanitize the values
$schema = self::sanitize($schema);
// get the apps array
$config_list = [];
$directories = ['core', 'app'];
$applications = [$schema, self::singular($schema)];
foreach ($directories as $directory) {
foreach ($applications as $application) {
$path = dirname(__DIR__, 2) . "/$directory/$application/app_config.php";
$app_config_files = glob($path);
if ($app_config_files !== false) {
$config_list = array_merge($config_list, $app_config_files);
}
}
}
$x = 0;
foreach ($config_list as $config_path) {
include ($config_path);
$x++;
}
// search through all fields to find relations
if (!empty($apps) && is_array($apps)) {
foreach ($apps as $x => $app) {
foreach ($app['db'] as $y => $row) {
foreach ($row['fields'] as $z => $field) {
if (!empty($field['deprecated']) && $field['deprecated'] != 'true') {
if (!empty($field['key']['type']) && $field['key']['type'] == 'foreign') {
if ($row['table']['name'] == self::TABLE_PREFIX . $schema || $field['key']['reference']['table'] == self::TABLE_PREFIX . $schema) {
// get the field name
if (!empty($field['name']) && is_array($field['name'])) {
$field_name = trim($field['name']['text']);
} else {
$field_name = trim($field['name']);
}
// build the array
$relations[$i]['table'] = $row['table']['name'];
$relations[$i]['field'] = $field_name;
$relations[$i]['key']['type'] = $field['key']['type'];
$relations[$i]['key']['table'] = $field['key']['reference']['table'];
$relations[$i]['key']['field'] = $field['key']['reference']['field'];
if (isset($field['key']['reference']['action'])) {
$relations[$i]['key']['action'] = $field['key']['reference']['action'];
}
// increment the value
$i++;
}
}
}
unset($field_name);
}
}
}
}
// return the array
if (!empty($relations) && is_array($relations)) {
return $relations;
} else {
return false;
}
}
/**
* Performs a select query on database using the $sql statement supplied.
*
* @param string $sql Valid SQL statement.
* @param array|null $parameters Value can be array, empty string, or null.
* @param string $return_type Values can be set to all, row, or column.
*
* @return mixed Returned values can be array, string, boolean, int, or false. This is dependent on
* $return_type.
*/
public function select(string $sql, ?array $parameters = [], string $return_type = 'all') {
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// unable to connect to the database
if (!$this->db) {
$error_message = "Connection Failed
\n";
$error_message .= 'line number ' . __line__ . "
\n";
$message['message'] = $error_message;
$this->message = $message;
return false;
}
// set the error mode
if ($this->db) {
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
// reduce prepared statement latency
if ($this->db && defined('PDO::PGSQL_ATTR_DISABLE_PREPARES')) {
$this->db->setAttribute(PDO::PGSQL_ATTR_DISABLE_PREPARES, true);
}
// execute the query and return the results
try {
$prep_statement = $this->db->prepare($sql);
if (is_array($parameters)) {
$prep_statement->execute($parameters);
} else {
$prep_statement->execute();
}
$message['message'] = 'OK';
$message['code'] = '200';
$message['sql'] = $sql;
if (is_array($parameters)) {
$message['parameters'] = $parameters;
}
$this->message = $message;
// return the results
switch ($return_type) {
case 'all':
return $prep_statement->fetchAll(PDO::FETCH_ASSOC);
case 'row':
return $prep_statement->fetch(PDO::FETCH_ASSOC);
case 'column':
return $prep_statement->fetchColumn();
default:
return $prep_statement->fetchAll(PDO::FETCH_ASSOC);
}
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
}
/**
* Sets the object $result to sql array
*
* @param array $array Array containing the table name, uuid, SQL and where clause.
*
* @return database Returns the database object or null.
*/
public function find_new(array $array) {
// define the message ordinal id
$m = 0;
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// set the name
if (isset($array['name'])) {
$this->name = $array['name'];
}
// set the uuid
if (isset($array['uuid'])) {
$this->uuid = $array['uuid'];
}
// build the query
$sql = 'SELECT * FROM ' . self::TABLE_PREFIX . $this->name . ' ';
if (isset($this->uuid)) {
// get the specific uuid
$sql .= 'WHERE ' . self::singular($this->name) . "_uuid = '" . $this->uuid . "' ";
} else {
// where
$i = 0;
if (isset($array['where'])) {
foreach ($array['where'] as $row) {
if (isset($row['operator'])) {
// validate the operator
switch ($row['operator']) {
case '<':
break;
case '>':
break;
case '<=':
break;
case '>=':
break;
case '=':
break;
case '<>':
break;
case '!=':
break;
default:
// invalid operator
return null;
}
// build the sql
if ($i == 0) {
$sql .= 'WHERE ' . $row['name'] . ' ' . $row['operator'] . ' :' . $row['value'] . ' ';
} else {
$sql .= 'AND ' . $row['name'] . ' ' . $row['operator'] . ' :' . $row['value'] . ' ';
}
}
// add the name and value to the params array
$params[$row['name']] = $row['value'];
// increment $i
$i++;
}
}
// order by
if (isset($array['order_by'])) {
$array['order_by'] = self::sanitize($array['order_by']);
$sql .= 'ORDER BY ' . $array['order_by'] . ' ';
}
// limit
if (isset($array['limit']) && is_numeric($array['limit'])) {
$sql .= 'LIMIT ' . $array['limit'] . ' ';
}
// offset
if (isset($array['offset']) && is_numeric($array['offset'])) {
$sql .= 'OFFSET ' . $array['offset'] . ' ';
}
}
// execute the query, and return the results
try {
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute($params);
$message['message'] = 'OK';
$message['code'] = '200';
$message['details'][$m]['name'] = $this->name;
$message['details'][$m]['message'] = 'OK';
$message['details'][$m]['code'] = '200';
$message['details'][$m]['sql'] = $sql;
$this->message = $message;
$this->result = $prep_statement->fetchAll(PDO::FETCH_NAMED);
unset($prep_statement);
$m++;
} catch (PDOException $e) {
$message['message'] = 'Bad Request';
$message['code'] = '400';
$message['details'][$m]['name'] = $this->name;
$message['details'][$m]['message'] = $e->getMessage();
$message['details'][$m]['code'] = '400';
$message['details'][$m]['sql'] = $sql;
$this->message = $message;
$this->result = '';
$m++;
}
return $this;
}
/**
* Stores the passed UUID in the object
*
* @param string $uuid A valid UUID must be passed
*
* @return database Returns this object
*/
public function uuid(string $uuid) {
$this->uuid = $uuid;
return $this;
}
/**
* Copies records and appends suffix to the column description data
*
* @param array $array Three dimensional Array. The first dimension is the table name without the prefix 'v_'.
* Second dimension in the row value as int. Third dimension is the column name.
*
* @return bool Returns true on success and false on failure.
*/
public function copy(array $array, $suffix = '(Copy)') {
// set default return value
$retval = false;
// return the array
if (!is_array($array)) {
return $retval;
}
// initialize array
$copy_array = [];
// set the message id
$m = 0;
// loop through the array
$x = 0;
foreach ($array as $parent_name => $tables) {
if (is_array($tables)) {
foreach ($tables as $id => $row) {
// prepare the variables
$parent_name = self::sanitize($parent_name);
$parent_key_name = self::singular($parent_name) . '_uuid';
// build the copy array
if (!empty($row['checked']) && $row['checked'] == 'true') {
// set checked to true
$checked = true;
// copy the child data
if (!empty($row[$parent_key_name]) && is_uuid($row[$parent_key_name])) {
$copy_array[$parent_name][$x][$parent_key_name] = $row[$parent_key_name];
}
// remove the row from the main array
unset($array[$parent_name][$x]);
// loop through the fields
foreach ($row as $field_name => $field_value) {
// find the child tables
if (is_array($field_value)) {
// prepare the variables
$child_name = self::sanitize($field_name);
$child_key_name = self::singular($child_name) . '_uuid';
// loop through the child rows
$y = 0;
foreach ($field_value as $sub_row) {
// delete the child data
$copy_array[$child_name][][$child_key_name] = $sub_row[$child_key_name];
// remove the row from the main array
unset($array[$parent_name][$x][$child_name][$y]);
// increment the value
$y++;
}
}
}
}
// increment the value
$x++;
}
}
}
// get the current data
if (count($copy_array) > 0) {
// build an array of tables, fields, and values
foreach ($copy_array as $table_name => $rows) {
foreach ($rows as $row) {
foreach ($row as $field_name => $field_value) {
$keys[$table_name][$field_name][] = $field_value;
}
}
}
// unset the array
unset($array);
// use the array to get a copy of the parent data before deleting it
foreach ($copy_array as $table_name => $rows) {
foreach ($rows as $row) {
$table_name = self::sanitize($table_name);
$sql = 'select * from ' . self::TABLE_PREFIX . $table_name . ' ';
$i = 0;
foreach ($row as $field_name => $field_value) {
if ($i == 0) {
$sql .= 'where ';
} else {
$sql .= 'and ';
}
$sql .= $field_name . ' in ( ';
$i = 0;
foreach ($keys[$table_name][$field_name] as $field_value) {
$field_name = self::sanitize($field_name);
if ($i > 0) {
$sql .= ' ,';
}
$sql .= ' :' . $field_name . '_' . $i . ' ';
$i++;
}
$sql .= ') ';
$i = 0;
foreach ($keys[$table_name][$field_name] as $field_value) {
$parameters[$field_name . '_' . $i] = $field_value;
$i++;
}
}
}
$results = $this->execute($sql, $parameters, 'all');
unset($parameters);
if (is_array($results)) {
$array[$table_name] = $results;
}
}
// add child data to the old array
foreach ($copy_array as $parent_name => $rows) {
// get relations array
$relations = self::get_relations($parent_name);
// loop through the rows
$x = 0;
foreach ($rows as $row) {
if (is_array($relations)) {
foreach ($relations as $relation) {
// set the child table
$child_table = $relation['table'];
// remove the v_ prefix
if (substr($child_table, 0, strlen(self::TABLE_PREFIX)) == self::TABLE_PREFIX) {
$child_table = substr($child_table, strlen(self::TABLE_PREFIX));
}
// get the child data
$sql = 'select * from ' . self::TABLE_PREFIX . $child_table . ' ';
$sql .= 'where ' . $relation['field'] . ' = :' . $relation['field'];
$parameters[$relation['field']] = $row[$relation['field']];
$results = $this->execute($sql, $parameters, 'all');
unset($parameters);
if (is_array($results)) {
$array[$parent_name][$x][$child_table] = $results;
}
}
}
$x++;
}
}
}
// update the parent and child keys
$checked = false;
$x = 0;
foreach ($array as $parent_name => $tables) {
if (is_array($tables)) {
foreach ($tables as $id => $row) {
// prepare the variables
$parent_name = self::sanitize($parent_name);
$parent_key_name = self::singular($parent_name) . '_uuid';
$parent_key_value = uuid();
// update the parent key id
$array[$parent_name][$x][$parent_key_name] = $parent_key_value;
// set enabled
if (array_key_exists(self::singular($parent_name) . '_enabled', $array[$parent_name][$x])) {
$array[$parent_name][$x][self::singular($parent_name) . '_enabled'] = $row[self::singular($parent_name) . '_enabled'] === true || $row[self::singular($parent_name) . '_enabled'] == 'true' ? 'true' : 'false';
} elseif (array_key_exists('enabled', $array[$parent_name][$x])) {
$array[$parent_name][$x]['enabled'] = $row['enabled'] === true || $row['enabled'] == 'true' ? 'true' : 'false';
}
// add copy to the description
if (array_key_exists(self::singular($parent_name) . '_description', $array[$parent_name][$x])) {
$array[$parent_name][$x][self::singular($parent_name) . '_description'] = trim($array[$parent_name][$x][self::singular($parent_name) . '_description'] . ' ' . $suffix);
} elseif (array_key_exists('description', $array[$parent_name][$x])) {
$array[$parent_name][$x]['description'] = trim($array[$parent_name][$x]['description'] . ' ' . $suffix);
}
// loop through the fields
foreach ($row as $field_name => $field_value) {
// find the child tables
$y = 0;
if (is_array($field_value)) {
// prepare the variables
$child_name = self::sanitize($field_name);
$child_key_name = self::singular($child_name) . '_uuid';
// loop through the child rows
foreach ($field_value as $sub_row) {
// update the parent key id
$array[$parent_name][$x][$child_name][$y][$parent_key_name] = $parent_key_value;
// udpate the child key id
$array[$parent_name][$x][$child_name][$y][$child_key_name] = uuid();
// increment the value
$y++;
}
}
}
// increment the value
$x++;
}
}
}
// save the copy of the data
if (is_array($array) && count($array) > 0) {
$retval = $this->save($array);
unset($array);
}
return $retval;
}
/**
* Save an array to the database.
* Usage Example:
$row = 0;
$array['mytable'][$row]['mycolumn'] = "myvalue";
if
* ($database->save($array)) {
echo "Saved Successfully.";
} else {
echo "Save
* Failed.";
}
*
*
* @param array $array Three dimensional Array. The first dimension is the table name without the prefix 'v_'.
* Second dimension in the row value as int. Third dimension is the column name.
* @param bool $transaction_save
*
* @return returns an array with result details
*/
public function save(array &$array, bool $transaction_save = true) {
// prepare the values
$parent_field_names = [];
$child_field_names = [];
$this->message = [];
$parent_key_exists = false;
$parent_key_name = null;
$parent_key_value = null;
$child_key_exists = false;
$child_key_name = null;
$child_key_value = null;
$table_name = null;
$child_table_name = null;
// set default return value
$retval = true;
// return the array
if (!is_array($array)) {
return false;
}
// set the message id
$m = 0;
// debug sql
// $this->debug["sql"] = true;
// connect to the database if needed
if (!$this->db) {
$this->connect();
}
// use a try catch around the transaction
try {
// start the atomic transaction
$this->db->beginTransaction();
// loop through the array
if (is_array($array))
foreach ($array as $parent_name => $parent_array) {
// get the application name and uuid
if (class_exists($parent_name) && defined("$parent_name::app_name")) {
$this->app_name = $parent_name::app_name;
$this->app_uuid = $parent_name::app_uuid;
}
// process the parent array, use it to create insert and update SQL statements
if (is_array($parent_array))
foreach ($parent_array as $row_id => $parent_field_array) {
// set the variables
$parent_name = self::sanitize($parent_name);
$table_name = self::TABLE_PREFIX . $parent_name;
$parent_key_name = self::singular($parent_name) . '_uuid';
$parent_key_name = self::sanitize($parent_key_name);
// if the UUID is set, then set parent key exists and value
// determine if the parent_key_exists
$parent_key_exists = false;
if (isset($parent_field_array[$parent_key_name])) {
$parent_key_value = $parent_field_array[$parent_key_name];
$parent_key_exists = true;
} else {
if (isset($this->uuid)) {
$parent_key_exists = true;
$parent_key_value = $this->uuid;
} else {
$parent_key_value = uuid();
}
}
// allow characters found in the UUID only.
$parent_key_value = self::sanitize($parent_key_value);
// get the parent field names
$parent_field_names = [];
if (is_array($parent_field_array)) {
foreach ($parent_field_array as $key => $value) {
if (!is_array($value)) {
$parent_field_names[] = self::sanitize($key);
}
}
}
// determine action update or delete, and get the original data
if ($parent_key_exists) {
$sql = 'SELECT ' . implode(', ', $parent_field_names) . ' FROM ' . $table_name . ' ';
$sql .= 'WHERE ' . $parent_key_name . " = '" . $parent_key_value . "'; ";
$prep_statement = $this->db->prepare($sql);
if ($prep_statement) {
// get the data
try {
$prep_statement->execute();
$parent_results = $prep_statement->fetchAll(PDO::FETCH_ASSOC);
} catch (PDOException $e) {
$message['type'] = 'error';
$message['code'] = $e->getCode();
$message['message'] = $e->getMessage();
$message['sql'] = $sql;
$this->message = $message;
return false;
}
// set the action
if (count($parent_results) > 0) {
$action = 'update';
} else {
$action = 'add';
}
}
unset($prep_statement);
} else {
$action = 'add';
}
// add a record
if ($action == 'add') {
if (permission_exists(self::singular($parent_name) . '_add')) {
// add to the old and new arrays
$old_array = null;
$new_array[$parent_name][] = $parent_field_array;
// prepare the insert statement
$params = [];
$sql = 'INSERT INTO ' . $table_name . ' ';
$sql .= '(';
if (!$parent_key_exists) {
$sql .= $parent_key_name . ', ';
}
if (is_array($parent_field_array)) {
foreach ($parent_field_array as $array_key => $array_value) {
if (!is_array($array_value)) {
$array_key = self::sanitize($array_key);
if ($array_key != 'insert_user' &&
$array_key != 'insert_date' &&
$array_key != 'update_user' &&
$array_key != 'update_date') {
$sql .= $array_key . ', ';
}
}
}
}
$sql .= 'insert_date, ';
$sql .= 'insert_user ';
$sql .= ') ';
$sql .= 'VALUES ';
$sql .= '(';
if (!$parent_key_exists) {
$sql .= ':parent_key_value, ';
$params['parent_key_value'] = $parent_key_value;
}
if (is_array($parent_field_array)) {
foreach ($parent_field_array as $array_key => $array_value) {
if (!is_array($array_value)) {
if ($array_key != 'insert_user' &&
$array_key != 'insert_date' &&
$array_key != 'update_user' &&
$array_key != 'update_date') {
if (!isset($array_value) || $array_value == '') {
$sql .= 'null, ';
} elseif ($array_value === 'now()') {
$sql .= 'now(), ';
} elseif ($array_value === 'user_uuid()') {
$sql .= ':' . $array_key . ', ';
$params[$array_key] = $this->user_uuid ?? null;
} elseif ($array_value === 'remote_address()') {
$sql .= ':' . $array_key . ', ';
$params[$array_key] = $_SERVER['REMOTE_ADDR'];
} elseif (gettype($array_value) === 'boolean') {
$sql .= ':' . $array_key . ', ';
$params[$array_key] = $array_value;
} else {
$sql .= ':' . $array_key . ', ';
if (gettype($array_value) === 'string') {
$array_value = trim($array_value);
}
$params[$array_key] = $array_value;
}
}
}
}
}
$sql .= 'now(), ';
$sql .= ':insert_user ';
$sql .= ');';
// add insert user parameter
$params['insert_user'] = $this->user_uuid ?? null;
// set the error mode
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// reduce prepared statement latency
if (defined('PDO::PGSQL_ATTR_DISABLE_PREPARES')) {
$this->db->setAttribute(PDO::PGSQL_ATTR_DISABLE_PREPARES, true);
}
// run the query and return the results
try {
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute($params);
unset($prep_statement);
$message['message'] = 'OK';
$message['code'] = '200';
$message['uuid'] = $parent_key_value;
$message['details'][$m]['name'] = $this->app_name;
$message['details'][$m]['message'] = 'OK';
$message['details'][$m]['code'] = '200';
$message['details'][$m]['uuid'] = $parent_key_value;
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
} catch (PDOException $e) {
$retval = false;
$message['message'] = 'Bad Request';
$message['code'] = '400';
$message['details'][$m]['name'] = $this->app_name;
$message['details'][$m]['message'] = $e->getMessage();
$message['details'][$m]['code'] = '400';
$message['details'][$m]['array'] = $parent_field_array;
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
}
unset($sql);
} else {
$retval = false;
$message['name'] = $this->app_name;
$message['message'] = "Forbidden, does not have '" . self::singular($parent_name) . "_add'";
$message['code'] = '403';
$message['line'] = __line__;
$this->message[] = $message;
$m++;
}
}
// edit a specific uuid
if ($action == 'update') {
if (permission_exists(self::singular($parent_name) . '_edit')) {
// validate changes
$data_modified = false;
if (is_array($parent_field_array)) {
$i = 0;
foreach ($parent_field_array as $array_key => $array_value) {
// skip child array
if (is_array($array_value)) {
continue;
}
// get the variable type of the value
$database_field_type = gettype($parent_results[$i][$array_key]);
$user_field_type = gettype($array_value);
// trim the string and update the value
if ($user_field_type === 'string') {
// trim the string
$array_value = trim($array_value);
// update the user value
$parent_field_array[$array_key] = $array_value;
}
// normalize the data to match the database
if ($database_field_type !== $user_field_type) {
// normalize null
if ($array_value === '') {
$array_value = null;
}
// normalize string
if ($database_field_type === 'string') {
$array_value = (string) $array_value;
}
// normalize numeric
if ($database_field_type === 'numeric') {
$array_value = intval($array_value);
}
// normalize boolean
if ($database_field_type === 'boolean') {
if ($array_value === 'true') {
$array_value = true;
} else {
$array_value = false;
}
}
}
// verify if the data in the database has been modified
if ($parent_results[$i][$array_key] !== $array_value) {
// not matched
// echo "$parent_name.$array_key ".($parent_results[$i][$array_key])." != ".$array_value."\n\n";
$data_modified = true;
break;
}
// increment the id
$i;
}
}
// parent data - process the modified data
if ($data_modified) {
// remove the child array and update the special values
if (is_array($parent_field_array)) {
foreach ($parent_field_array as $array_key => $array_value) {
if (is_array($array_value)) {
continue;
}
$array_key = self::sanitize($array_key);
if (!isset($array_value) || (isset($array_value) && $array_value === '')) {
$temp_array[$array_key] = null;
} elseif ($array_value === 'now()') {
$temp_array[$array_key] = $array_value;
} elseif ($array_value === 'user_uuid()') {
$temp_array[$array_key] = $this->user_uuid ?? null;
} elseif ($array_value === 'remote_address()') {
$temp_array[$array_key] = $_SERVER['REMOTE_ADDR'];
} else {
if (gettype($array_value) === 'string') {
$array_value = trim($array_value);
}
$temp_array[$array_key] = $array_value;
}
}
}
// add to the old and new arrays
$old_array[$parent_name] = $parent_results;
$new_array[$parent_name][] = $temp_array;
// empty the temp array
unset($temp_array);
// prepare the update statement
$params = [];
$sql = 'UPDATE ' . $table_name . ' SET ';
if (is_array($parent_field_array)) {
foreach ($parent_field_array as $array_key => $array_value) {
if (is_array($array_value)) {
continue;
}
if ($array_key != $parent_key_name) {
$array_key = self::sanitize($array_key);
if (!isset($array_value) || (isset($array_value) && $array_value === '')) {
$sql .= $array_key . ' = null, ';
} elseif ($array_value === 'now()') {
$sql .= $array_key . ' = now(), ';
} elseif ($array_value === 'user_uuid()') {
$sql .= $array_key . ' = :' . $array_key . ', ';
$params[$array_key] = $this->user_uuid ?? null;
} elseif ($array_value === 'remote_address()') {
$sql .= $array_key . ' = :' . $array_key . ', ';
$params[$array_key] = $_SERVER['REMOTE_ADDR'];
} elseif (gettype($array_value) === 'boolean') {
$sql .= $array_key . ' = :' . $array_key . ', ';
$params[$array_key] = $array_value;
} else {
$sql .= $array_key . ' = :' . $array_key . ', ';
if (gettype($array_value) === 'string') {
$array_value = trim($array_value);
}
$params[$array_key] = $array_value;
}
}
}
}
// add the modified date and user
$sql .= 'update_date = now(), ';
$sql .= 'update_user = :update_user ';
$params['update_user'] = $this->user_uuid ?? null;
// add the where with the parent name and value
$sql .= 'WHERE ' . $parent_key_name . ' = :parent_key_value; ';
$params['parent_key_value'] = $parent_key_value;
$sql = str_replace(', WHERE', ' WHERE', $sql);
// add update user parameter
$params['update_user'] = $this->user_uuid ?? null;
// set the error mode
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// reduce prepared statement latency
if (defined('PDO::PGSQL_ATTR_DISABLE_PREPARES')) {
$this->db->setAttribute(PDO::PGSQL_ATTR_DISABLE_PREPARES, true);
}
// run the query and return the results
try {
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute($params);
$message['message'] = 'OK';
$message['code'] = '200';
$message['uuid'] = $parent_key_value;
$message['details'][$m]['name'] = $this->app_name;
$message['details'][$m]['message'] = 'OK';
$message['details'][$m]['code'] = '200';
$message['details'][$m]['uuid'] = $parent_key_value;
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
unset($sql);
} catch (PDOException $e) {
$retval = false;
$message['message'] = 'Bad Request';
$message['code'] = '400';
$message['details'][$m]['name'] = $this->app_name;
$message['details'][$m]['message'] = $e->getMessage();
$message['details'][$m]['code'] = '400';
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
}
} else {
$message['details'][$m]['name'] = $parent_name;
$message['details'][$m]['message'] = 'No Changes';
$message['details'][$m]['code'] = '000';
$message['details'][$m]['uuid'] = $parent_key_value;
$this->message = $message;
$m++;
}
} else {
$retval = false;
$message['message'] = "Forbidden, does not have '" . self::singular($parent_name) . "_edit'";
$message['code'] = '403';
$message['line'] = __line__;
$this->message = $message;
$m++;
}
}
// unset the variables
unset($sql, $action);
// child data
if (is_array($parent_field_array)) {
foreach ($parent_field_array as $key => $value) {
if (is_array($value)) {
$child_table_name = self::TABLE_PREFIX . $key;
$child_table_name = self::sanitize($child_table_name);
foreach ($value as $id => $row) {
// prepare the variables
$child_name = self::singular($key);
$child_name = self::sanitize($child_name);
$child_key_name = $child_name . '_uuid';
// determine if the parent key exists in the child array
$parent_key_exists = false;
if (!isset($parent_field_array[$parent_key_name])) {
$parent_key_exists = true;
}
// determine if the uuid exists
$uuid_exists = false;
if (is_array($row))
foreach ($row as $k => $v) {
if ($child_key_name == $k) {
if (strlen($v) > 0) {
if (gettype($v) === 'string') {
$v = trim($v);
}
$child_key_value = $v;
$uuid_exists = true;
break;
}
} else {
$uuid_exists = false;
}
}
// allow characters found in the uuid only
if (isset($child_key_value)) {
$child_key_value = self::sanitize($child_key_value);
}
// get the child field names
$child_field_names = [];
if (is_array($row)) {
foreach ($row as $k => $v) {
if (!is_array($v) && $k !== 'checked') {
$child_field_names[] = self::sanitize($k);
}
}
}
// determine sql update or delete and get the original data
if ($uuid_exists) {
$sql = 'SELECT ' . implode(', ', $child_field_names) . ' FROM ' . $child_table_name . ' ';
$sql .= 'WHERE ' . $child_key_name . " = '" . $child_key_value . "'; ";
try {
$prep_statement = $this->db->prepare($sql);
if ($prep_statement) {
// get the data
$prep_statement->execute();
$child_results = $prep_statement->fetch(PDO::FETCH_ASSOC);
// set the action
if (is_array($child_results)) {
$action = 'update';
} else {
$action = 'add';
}
}
unset($prep_statement);
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
} else {
$action = 'add';
}
// update the child data
if ($action == 'update') {
if (permission_exists($child_name . '_edit')) {
// validate changes
$data_modified = false;
if (is_array($row)) {
foreach ($row as $k => $v) {
// sanitize the key
$k = self::sanitize($k);
// get the variable type of the value
$database_field_type = gettype($child_results[$k]);
$user_field_type = gettype($v);
// trim the string
if ($user_field_type === 'string') {
$v = trim($v);
}
// normalize the data to match the database
if ($database_field_type !== $user_field_type) {
// normalize null
if ($v === '') {
$v = null;
}
// normalize string
if ($database_field_type === 'string') {
$v = (string) $v;
}
// normalize numeric
if ($database_field_type === 'numeric') {
$v = intval($v);
}
// normalize boolean
if ($database_field_type === 'boolean') {
if ($v === 'true') {
$v = true;
} else {
$v = false;
}
}
}
// verify if the data in the database has been modified
if ($child_results[$k] !== $v) {
// not matched
// echo "$child_name.$k ".($child_results[$k])." != ".$v."\n\n";
$data_modified = true;
break;
}
}
}
// child data - process the modified data
if ($data_modified) {
// update the special values
if (is_array($row)) {
foreach ($row as $k => $v) {
// sanitize the key
$k = self::sanitize($k);
// save the key value pairs to the temp_array
if (!isset($v) || (isset($v) && $v == '')) {
$temp_array[$k] = null;
} elseif ($v === 'now()') {
$temp_array[$k] = 'now()';
} elseif ($v === 'user_uuid()') {
$temp_array[$k] = $this->user_uuid ?? null;
} elseif ($v === 'remote_address()') {
$temp_array[$k] = $_SERVER['REMOTE_ADDR'];
}
if (gettype($v) === 'boolean') {
if ($v) {
$v = true;
} else {
$v = false;
}
$temp_array[$k] = $v;
} else {
if (gettype($v) === 'string') {
$v = trim($v);
}
$temp_array[$k] = $v;
}
}
}
// add to the old and new arrays
$old_array[$key][] = $child_results;
$new_array[$key][] = $temp_array;
// empty the temp array
unset($temp_array);
// update the child data
$sql = 'UPDATE ' . $child_table_name . ' SET ';
if (is_array($row)) {
foreach ($row as $k => $v) {
if (!is_array($v) && ($k != $parent_key_name || $k != $child_key_name)) {
$k = self::sanitize($k);
if (!isset($v) || (isset($v) && $v == '')) {
$sql .= $k . ' = null, ';
} elseif ($v === 'now()') {
$sql .= $k . ' = now(), ';
} elseif ($v === 'user_uuid()') {
$sql .= $k . ' = :' . $k . ', ';
$params[$k] = $this->user_uuid ?? null;
} elseif ($v === 'remote_address()') {
$sql .= $k . ' = :' . $k . ', ';
$params[$k] = $_SERVER['REMOTE_ADDR'];
} elseif (gettype($v) === 'boolean') {
$sql .= $k . ' = :' . $k . ', ';
$params[$k] = $v;
} else {
$sql .= $k . ' = :' . $k . ', ';
if (gettype($v) === 'string') {
$v = trim($v);
}
$params[$k] = $v;
}
}
}
}
// add the modified date and user
$sql .= 'update_date = now(), ';
$sql .= 'update_user = :update_user ';
$params['update_user'] = $this->user_uuid ?? null;
// add the where with the parent name and value
$sql .= 'WHERE ' . $parent_key_name . ' = :parent_key_value ';
$sql .= 'AND ' . $child_key_name . ' = :child_key_value; ';
$params['parent_key_value'] = $parent_key_value;
$params['child_key_value'] = $child_key_value;
$sql = str_replace(', WHERE', ' WHERE', $sql);
// set the error mode
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// reduce prepared statement latency
if (defined('PDO::PGSQL_ATTR_DISABLE_PREPARES')) {
$this->db->setAttribute(PDO::PGSQL_ATTR_DISABLE_PREPARES, true);
}
try {
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute($params);
unset($prep_statement);
$message['details'][$m]['name'] = $key;
$message['details'][$m]['message'] = 'OK';
$message['details'][$m]['code'] = '200';
$message['details'][$m]['uuid'] = $child_key_value;
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
} catch (PDOException $e) {
$retval = false;
if ($message['code'] == '200') {
$message['message'] = 'Bad Request';
$message['code'] = '400';
}
$message['details'][$m]['name'] = $key;
$message['details'][$m]['message'] = $e->getMessage();
$message['details'][$m]['code'] = '400';
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
}
} else {
$message['details'][$m]['name'] = $key;
$message['details'][$m]['message'] = 'No Changes';
$message['details'][$m]['code'] = '000';
$message['details'][$m]['uuid'] = $child_key_value;
$this->message = $message;
$m++;
}
} else {
$retval = false;
$message['name'] = $child_name;
$message['message'] = "Forbidden, does not have '" . $child_name . "_edit'";
$message['code'] = '403';
$message['line'] = __line__;
$this->message = $message;
$m++;
}
} // action update
// add the child data
if ($action == 'add') {
if (permission_exists($child_name . '_add')) {
// determine if child or parent key exists
$child_key_name = $child_name . '_uuid';
$parent_key_exists = false;
$child_key_exists = false;
if (is_array($row)) {
foreach ($row as $k => $v) {
if ($k == $parent_key_name) {
$parent_key_exists = true;
}
if ($k == $child_key_name) {
$child_key_exists = true;
if (gettype($v) === 'string') {
$v = trim($v);
}
$child_key_value = $v;
}
}
}
if (!isset($child_key_value) || $child_key_value == '') {
$child_key_value = uuid();
}
// add to the old and new arrays
$old_array = null;
$new_array[$child_name][] = $row;
// build the insert
$sql = 'INSERT INTO ' . $child_table_name . ' ';
$sql .= '(';
if (!$parent_key_exists) {
$sql .= self::singular($parent_key_name) . ', ';
}
if (!$child_key_exists) {
$sql .= self::singular($child_key_name) . ', ';
}
if (is_array($row)) {
foreach ($row as $k => $v) {
if (!is_array($v)) {
$k = self::sanitize($k);
if ($k != 'insert_user' &&
$k != 'insert_date' &&
$k != 'update_user' &&
$k != 'update_date') {
$sql .= $k . ', ';
}
}
}
}
$sql .= 'insert_date, ';
$sql .= 'insert_user ';
$sql .= ') ';
$sql .= 'VALUES ';
$sql .= '(';
if (!$parent_key_exists) {
$sql .= ':parent_key_value, ';
$params['parent_key_value'] = $parent_key_value;
}
if (!$child_key_exists) {
$sql .= ':child_key_value, ';
$params['child_key_value'] = $child_key_value;
}
if (is_array($row)) {
foreach ($row as $k => $v) {
if (!is_array($v)) {
if ($k != 'insert_user' &&
$k != 'insert_date' &&
$k != 'update_user' &&
$k != 'update_date') {
if (!isset($v) || strlen($v) == 0) {
$sql .= 'null, ';
} elseif ($v === 'now()') {
$sql .= 'now(), ';
} elseif ($v === 'user_uuid()') {
$sql .= ':' . $k . ', ';
$params[$k] = $this->user_uuid ?? null;
} elseif ($v === 'remote_address()') {
$sql .= ':' . $k . ', ';
$params[$k] = $_SERVER['REMOTE_ADDR'];
} elseif (gettype($v) === 'boolean') {
$sql .= ':' . $k . ', ';
$params[$k] = $v;
} else {
$k = self::sanitize($k);
if ($k != 'insert_user' &&
$k != 'insert_date' &&
$k != 'update_user' &&
$k != 'update_date') {
$sql .= ':' . $k . ', ';
if (gettype($v) === 'string') {
$v = trim($v);
}
$params[$k] = $v;
}
}
}
}
}
}
$sql .= 'now(), ';
$sql .= ':insert_user ';
$sql .= ');';
// add insert user parameter
$params['insert_user'] = $this->user_uuid ?? null;
// set the error mode
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// reduce prepared statement latency
if (defined('PDO::PGSQL_ATTR_DISABLE_PREPARES')) {
$this->db->setAttribute(PDO::PGSQL_ATTR_DISABLE_PREPARES, true);
}
// run the query and return the results
try {
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute($params);
unset($prep_statement);
$message['code'] = '200';
$message['details'][$m]['name'] = $key;
$message['details'][$m]['message'] = 'OK';
$message['details'][$m]['code'] = '200';
$message['details'][$m]['uuid'] = $child_key_value;
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
} catch (PDOException $e) {
$retval = false;
if ($message['code'] == '200') {
$message['message'] = 'Bad Request';
$message['code'] = '400';
}
$message['details'][$m]['name'] = $key;
$message['details'][$m]['message'] = $e->getMessage();
$message['details'][$m]['code'] = '400';
$message['details'][$m]['sql'] = $sql;
if (is_array($params)) {
$message['details'][$m]['params'] = $params;
}
unset($params);
$this->message = $message;
$m++;
}
} else {
$retval = false;
$message['name'] = $child_name;
$message['message'] = "Forbidden, does not have '" . $child_name . "_add'";
$message['code'] = '403';
$message['line'] = __line__;
$this->message = $message;
$m++;
}
} // action add
// unset the variables
unset($sql, $action, $child_key_name, $child_key_value);
} // foreach value
} // is array
} // foreach array
}
} // foreach schema_array
} // foreach main array
// save the message
$this->message = $message;
// commit the atomic transaction
$this->db->commit();
} catch (PDOException $e) {
// rollback the transaction on error
if ($this->db->inTransaction()) {
$this->db->rollback();
}
// prepare the message array
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
// set the action if not set
if (empty($action)) {
if (!empty($old_array)) {
$transaction_type = 'update';
} else {
$transaction_type = 'add';
}
} else {
$transaction_type = $action;
}
// debug message
// echo "old\n";
// view_array($old_array, false);
// echo "new\n";
// view_array($new_array, false);
// exit;
// check to see if the database was updated; update the message code if needed
$database_updated = false;
if (!empty($this->message['code']) && $this->message['code'] === '200') {
$database_updated = true;
}
if (!$database_updated) {
foreach ($this->message['details'] as $row) {
if ($row['code'] === '200') {
$database_updated = true;
$message['code'] = '200';
break;
}
}
}
// log the transaction results
if ($transaction_save && $database_updated && file_exists(dirname(__DIR__, 2) . '/app/database_transactions/app_config.php')) {
try {
// build the json string from the array
if (!empty($old_array)) {
$old_json = json_encode($old_array, JSON_PRETTY_PRINT);
}
if (!empty($new_array)) {
$new_json = json_encode($new_array, JSON_PRETTY_PRINT);
}
// insert the transaction into the database
$sql = 'insert into ' . self::TABLE_PREFIX . 'database_transactions ';
$sql .= '(';
$sql .= 'database_transaction_uuid, ';
if (isset($this->domain_uuid) && is_uuid($this->domain_uuid)) {
$sql .= 'domain_uuid, ';
}
if (isset($this->user_uuid) && is_uuid($this->user_uuid)) {
$sql .= 'user_uuid, ';
}
if (isset($this->app_uuid) && is_uuid($this->app_uuid)) {
$sql .= 'app_uuid, ';
}
if (isset($this->app_name) && !empty($this->app_name)) {
$sql .= 'app_name, ';
}
$sql .= 'transaction_code, ';
$sql .= 'transaction_address, ';
$sql .= 'transaction_type, ';
$sql .= 'transaction_date, ';
$sql .= 'transaction_old, ';
$sql .= 'transaction_new, ';
$sql .= 'transaction_result ';
$sql .= ')';
$sql .= 'values ';
$sql .= '(';
$sql .= "'" . uuid() . "', ";
if (isset($this->domain_uuid) && is_uuid($this->domain_uuid)) {
$sql .= ':domain_uuid, ';
}
if (isset($this->user_uuid) && is_uuid($this->user_uuid)) {
$sql .= ':user_uuid, ';
}
if (isset($this->app_uuid) && is_uuid($this->app_uuid)) {
$sql .= ':app_uuid, ';
}
if (isset($this->app_name) && !empty($this->app_name)) {
$sql .= ':app_name, ';
}
$sql .= "'" . $message['code'] . "', ";
$sql .= ':remote_address, ';
$sql .= "'" . $transaction_type . "', ";
$sql .= 'now(), ';
if (!empty($old_json)) {
$sql .= ':transaction_old, ';
} else {
$sql .= 'null, ';
}
if (!empty($new_json)) {
$sql .= ':transaction_new, ';
} else {
$sql .= 'null, ';
}
$sql .= ':transaction_result ';
$sql .= ')';
$statement = $this->db->prepare($sql);
if (isset($this->domain_uuid) && is_uuid($this->domain_uuid)) {
$statement->bindParam(':domain_uuid', $this->domain_uuid);
}
if (isset($this->user_uuid) && is_uuid($this->user_uuid)) {
$statement->bindParam(':user_uuid', $this->user_uuid);
}
if (isset($this->app_uuid) && is_uuid($this->app_uuid)) {
$statement->bindParam(':app_uuid', $this->app_uuid);
}
if (isset($this->app_name) && !empty($this->app_name)) {
$statement->bindParam(':app_name', $this->app_name);
}
$statement->bindParam(':remote_address', $_SERVER['REMOTE_ADDR']);
if (!empty($old_json)) {
$old_json = json_encode($old_array, JSON_PRETTY_PRINT);
$statement->bindParam(':transaction_old', $old_json);
}
if (!empty($new_json)) {
$statement->bindParam(':transaction_new', $new_json);
}
$message = json_encode($this->message, JSON_PRETTY_PRINT);
$statement->bindParam(':transaction_result', $message);
$statement->execute();
unset($sql, $old_array, $old_json, $new_array, $new_json);
} catch (PDOException $e) {
$message['message'] = $e->getMessage();
$message['code'] = $e->getCode();
$message['line'] = $e->getLine();
$message['file'] = $e->getFile();
$message['trace'] = $e->getTraceAsString();
$message['debug'] = debug_backtrace();
$this->message = $message;
return false;
}
}
return $this->message;
}
/**
* Toggles fields on a table using the toggle_field array values within the app object.
*
* @param array $array Three dimensional array. The first dimension is the table name without the prefix 'v_'.
* Second dimension in the row value as int. Third dimension is the column name.
*
* @return bool Returns true on success and false on failure.
* @depends database::save()
* @depends database::get_apps()
*/
public function toggle(array $array) {
// return the array
if (!is_array($array)) {
return false;
}
// set the message id
$m = 0;
// loop through the array
if (!empty($array) && is_array($array)) {
$x = 0;
foreach ($array as $parent_name => $tables) {
if (!empty($tables) && is_array($tables)) {
foreach ($tables as $id => $row) {
// prepare the variables
$parent_name = self::sanitize($parent_name);
$parent_key_name = self::singular($parent_name) . '_uuid';
// build the toggle array
if (!empty($row['checked']) && $row['checked'] == 'true') {
// toggle the field value
// $toggle_array[$parent_name][$x][$parent_key_name] = $row[$parent_key_name];
$toggle_array[$parent_name][$x] = $row;
// remove the row from the main array
unset($array[$parent_name][$x]);
}
// loop through the fields
foreach ($row as $field_name => $field_value) {
// find the child tables
$y = 0;
if (!empty($field_value) && is_array($field_value)) {
// prepare the variables
$child_name = self::sanitize($field_name);
$child_key_name = self::singular($child_name) . '_uuid';
// loop through the child rows
foreach ($field_value as $sub_row) {
// build the delete array
if ($sub_row['checked'] == 'true') {
// delete the child data
$delete_array[$child_name][$y][$child_key_name] = $sub_row[$child_key_name];
// remove the row from the main array
unset($array[$parent_name][$x][$child_name][$y]);
}
// increment the value
$y++;
}
}
}
// increment the value
$x++;
}
}
}
}
// unset the original array
unset($array);
// get the $apps array from the installed apps from the core and mod directories
if (count(self::$apps) == 0) {
self::get_apps();
}
// search through all fields to see if toggle field exists
foreach (self::$apps as $x => $app) {
if (!empty($app['db']) && is_array($app['db'])) {
foreach ($app['db'] as $y => $row) {
if (is_array($row['table']['name'])) {
$table_name = $row['table']['name']['text'];
} else {
$table_name = $row['table']['name'];
}
if ($table_name === self::TABLE_PREFIX . $parent_name) {
if (is_array($row['fields'])) {
foreach ($row['fields'] as $field) {
if (isset($field['toggle'])) {
$toggle_field = $field['name'];
$toggle_values = $field['toggle'];
}
}
}
}
}
}
}
// if the toggle field and values are empty then set defaults
if (empty($toggle_field)) {
$toggle_field = self::singular($parent_name) . '_enabled';
}
if (empty($toggle_values)) {
$toggle_values[] = 'true';
$toggle_values[] = 'false';
}
// get the current values from the database
foreach ($toggle_array as $table_name => $table) {
$x = 0;
foreach ($table as $row) {
$child_name = self::sanitize($table_name);
$child_key_name = self::singular($child_name) . '_uuid';
$array[$table_name][$x][$child_key_name] = $row[$child_key_name];
$array[$table_name][$x][$toggle_field] = ($row[$toggle_field] === $toggle_values[0]) ? $toggle_values[1] : $toggle_values[0];
$x++;
}
}
unset($toggle_array);
// save the array
return $this->save($array);
}
/**
* Gets the $apps array from the installed apps from the core and mod directories and writes it to self::$apps
* overwriting previous values.
*
* @return null Does not return any values
* @uses PROJECT_PATH Global variable
* @uses dirname(__DIR__, 2) Global variable
* @internal Moved to class to conserve resources.
*/
public static function get_apps() {
// get the $apps array from the installed apps from the core and mod directories
$config_list = glob(dirname(__DIR__, 2) . '/*/*/app_config.php');
$x = 0;
if (is_array($config_list)) {
foreach ($config_list as $config_path) {
include ($config_path);
$x++;
}
}
self::$apps = $apps;
}
/**
* Gets a list of database views from the file system.
*
* @param string $action options: list, create, drop
*
* @return array shows list of views, list of views that were updated
*/
public function views(string $action) {
$files = glob(dirname(__DIR__, 2) . '/*/*/resources/database/views/*.php');
foreach ($files as $id => $file) {
$view = [];
try {
include $file;
$views[$id] = $view;
} catch (Exception $e) {
$views[$id]['error'] = $e->getMessage();
} finally {
$views[$id]['file'] = $file;
}
}
// view list
if ($action === 'list') {
return $views;
}
// update views
if ($action === 'create') {
$array = [];
foreach ($views as $id => $row) {
if (!empty($row['name']) && !empty($row['sql'])) {
// set the variables
$view_name = $row['name'];
$view_sql = $row['sql'];
$view_sql = str_replace(';', '', $view_sql);
// $view_version = $row['version'];
// $view_description = $row['description'];
$sql = 'DROP VIEW ' . $view_name . "\n";
$this->execute($sql);
// create and run the view sql
$sql = 'CREATE VIEW ' . $view_name . " AS (\n";
$sql .= $view_sql . "\n";
$sql .= ")\n";
$this->execute($sql);
// build the return array
$views[$id]['result'] = $this->message;
} else {
// build the return array
$views[$id]['result'] = 'Name or SQL empty';
}
}
// return views array
return $views;
}
// drop views
if ($action === 'drop') {
$array = [];
foreach ($views as $id => $row) {
if (!empty($row['name'])) {
// set the variables
$view_name = $row['name'];
// create and run the view sql
$sql = 'DROP VIEW ' . $view_name . ';';
$this->execute($sql);
// build the return array
$views[$id]['result'] = 'Dropped';
} else {
// build the return array
$views[$id]['result'] = 'Name or SQL empty';
}
}
// return views array
return $views;
}
}
/**
* Get a list of all the database indexes.
*
* @return array get the indexes from the database
*/
public function get_database_indexes() {
// predefine the array
$database_indexes = array();
// get the index from the database
if ($this->type == 'pgsql') {
$sql = "SELECT \n";
$sql .= " schemaname AS schema, \n";
$sql .= " tablename AS table, \n";
$sql .= " indexname AS index_name, \n";
$sql .= " indexdef AS definition \n";
$sql .= "FROM \n";
$sql .= " pg_indexes \n";
$sql .= "WHERE \n";
$sql .= " schemaname NOT IN ('pg_catalog', 'information_schema') \n";
$sql .= "ORDER BY schemaname, tablename, indexname; \n";
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute();
$pg_indexes = $prep_statement->fetchAll(PDO::FETCH_NAMED);
$database_indexes = array();
foreach($pg_indexes as $row) {
$database_indexes[$row['table']][$row['index_name']] = $row['definition'];
}
}
return $database_indexes;
}
/**
* Update missing indexes using the applications list
*
* @return array shows a list indexes that were added
*/
public function update_indexes() {
// get the $apps array from the installed apps from the core and mod directories
database::get_apps();
// build the list of tables
$tables = array();
foreach(self::$apps as $app) {
if (!empty($app['db'])) {
$tables = array_merge($tables, $app['db']);
}
}
// get a list of all the database indexes.
$database_indexes = $this->get_database_indexes();
// initialize the array
$array = array();
// loop through all of the tables
$i = 1;
foreach($tables as $table) {
// get the table name
if (is_array($table['table']['name'])) {
$table_name = $table['table']['name']['text'];
}
else {
$table_name = $table['table']['name'];
}
// skip deprecated tables
if (isset($table['table']['deprecated'])) {
continue;
}
// loop through all columns in the table
foreach ($table['fields'] as $column) {
// skip deprecated columns
if (isset($column['deprecated'])) {
continue;
}
if (!empty($column['key']['type'])) {
// get the key type
$key_type = $column['key']['type'];
if ($key_type == 'foreign') {
// get the column name
if (is_array($column['name'])) {
$column_name = $column['name']['text'];
}
else {
$column_name = $column['name'];
}
// create the database index - postgresql index name limited to 63 bytes
if ($this->type == 'pgsql' && !isset($database_indexes[$table_name][substr($table_name . "_" . $column_name . "_fkey", 0, 63)])) {
$sql = "CREATE INDEX IF NOT EXISTS " . $table_name . "_" . $column_name . "_fkey ON " . $table_name . " (" . $column_name . ");\n";
$prep_statement = $this->db->prepare($sql);
$prep_statement->execute();
$row['table_name'] = $table_name;
$row['column_name'] = $column_name;
$row['sql'] = $sql;
$array[] = $row;
}
}
}
}
}
//return the results
return $array;
}
} // class database
// addtitional functions for sqlite
if (!function_exists('php_md5')) {
function php_md5($string)
{
return md5($string);
}
}
if (!function_exists('php_unix_time_stamp')) {
function php_unix_time_stamp($string)
{
return strtotime($string);
}
}
if (!function_exists('php_now')) {
function php_now() {
return date('Y-m-d H:i:s');
}
}
if (!function_exists('php_left')) {
function php_left($string, $num) {
return substr($string, 0, $num);
}
}
if (!function_exists('php_right')) {
function php_right($string, $num) {
return substr($string, (strlen($string) - $num), strlen($string));
}
}
/*
* //example usage
* //find
* $database->domain_uuid = $_SESSION["domain_uuid"];
* $database->type = $db_type;
* $database->table = "v_extensions";
* $where[0]['name'] = 'domain_uuid';
* $where[0]['value'] = $_SESSION["domain_uuid"];
* $where[0]['operator'] = '=';
* $database->where = $where;
* $order_by[0]['name'] = 'extension';
* $database->order_by = $order_by;
* $database->order_type = 'desc';
* $database->limit = '2';
* $database->offset = '0';
* $database->find();
* print_r($database->result);
* //insert
* $database->domain_uuid = $_SESSION["domain_uuid"];
* $database->table = "v_ivr_menus";
* $fields[0]['name'] = 'domain_uuid';
* $fields[0]['value'] = $_SESSION["domain_uuid"];
* echo $database->count();
*/