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Call Control
Used to enable or disable calling based on the call group.
This commit is contained in:
FusionPBX
190
app/switch/resources/scripts/app/call_control/index.lua
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190
app/switch/resources/scripts/app/call_control/index.lua
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-- call_control.lua
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-- Part of FusionPBX
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-- Copyright (C) 2024 Mark J Crane <markjcrane@fusionpbx.com>
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-- All rights reserved.
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions are met:
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--
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-- 1. Redistributions of source code must retain the above copyright notice,
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-- this list of conditions and the following disclaimer.
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--
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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-- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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-- AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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-- AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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-- OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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-- POSSIBILITY OF SUCH DAMAGE.
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--[[
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Summary:
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Used to enable or disable calling based on the call group.
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Dialplan:
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<extension name="call_control" continue="false" uuid="44d59f86-7637-4f76-8a5e-cf2c2e49b9a3">
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<condition field="destination_number" expression="^\*33$">
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<action application="set" data="pin_number="/>
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<action application="set" data="audio_prompt=phrase:agent_status:#"/>
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<action application="set" data="target_group=support"/>
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<action application="lua" data="app.lua call_control"/>
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</condition>
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</extension>
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Audio Prompt:
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The audio prompt variable can be a phrase or a sound file placed in the sounds directory.
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audio_prompt=phrase:agent_status:#
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ivr/ivr-call_control.wav
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]]
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--set default settings
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pin_number = "";
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max_tries = "3";
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digit_timeout = "3000";
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--define the trim function
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require "resources.functions.trim";
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--define the explode function
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require "resources.functions.explode";
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--define the split function
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require "resources.functions.split";
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--connect to the database
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local Database = require "resources.functions.database";
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dbh = Database.new('system');
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--exits the script if we didn't connect properly
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assert(dbh:connected());
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--answer the call
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if (session:ready()) then
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session:answer();
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end
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--get the session variables
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if (session:ready()) then
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--get the dialplan variables and set them as local variables
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target_group = session:getVariable("target_group");
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audio_prompt = session:getVariable("audio_prompt");
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pin_number = session:getVariable("pin_number");
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domain_name = session:getVariable("domain_name");
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domain_uuid = session:getVariable("domain_uuid");
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sounds_dir = session:getVariable("sounds_dir");
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--set the sounds path for the language, dialect and voice
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default_language = session:getVariable("default_language");
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default_dialect = session:getVariable("default_dialect");
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default_voice = session:getVariable("default_voice");
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end
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--set the defaults
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if (not audio_prompt) then audio_prompt = 'phrase:agent_status:#'; end
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if (not default_language) then default_language = 'en'; end
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if (not default_dialect) then default_dialect = 'us'; end
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if (not default_voice) then default_voice = 'callie'; end
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--if the pin number is provided then require it
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if (pin_number) then
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--sleep
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session:sleep(500);
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--get the user pin number
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min_digits = 2;
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max_digits = 20;
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digits = session:playAndGetDigits(min_digits, max_digits, max_tries, digit_timeout, "#", "phrase:voicemail_enter_pass:#", "", "\\d+");
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--validate the user pin number
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pin_number_table = explode(",",pin_number);
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for index,pin_number in pairs(pin_number_table) do
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if (digits == pin_number) then
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--set the variable to true
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auth = true;
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--set the authorized pin number that was used
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session:setVariable("pin_number", pin_number);
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--end the loop
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break;
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end
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end
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--if not authorized play a message and then hangup
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if (not auth) then
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session:streamFile("phrase:voicemail_fail_auth:#");
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session:hangup("NORMAL_CLEARING");
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return;
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end
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end
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--get the user pin number
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pressed_digit = session:playAndGetDigits(1, 1, 1, digit_timeout, "#", audio_prompt, "", "\\d+");
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--pressed_digit = session:playAndGetDigits(1, 1, 1, digit_timeout, "#", "phrase:"..audio_prompt..":#", "", "\\d+");
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--update the database and flush the cache
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if (session:ready() and pressed_digit) then
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--set the default context
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context = domain_name;
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--allow calling
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if (pressed_digit == '1') then
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context = domain_name;
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call_display = 'Calls Enabled';
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end
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--block calling
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if (pressed_digit == '2') then
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context = 'blocked@'.. domain_name;
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call_display = 'Call Disabled';
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end
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--log the destinations
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freeswitch.consoleLog("NOTICE", "[call_control] context "..context.."\n");
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--update the extensions in the call group
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local sql = "update v_extensions set ";
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sql = sql .. "user_context = :user_context ";
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sql = sql .. "where domain_uuid = :domain_uuid ";
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sql = sql .. "and call_group = :call_group ";
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local params = {
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user_context = context;
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domain_uuid = domain_uuid;
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call_group = target_group;
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}
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if (debug["sql"]) then
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log.noticef("SQL: %s; params: %s", sql, json.encode(params));
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end
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dbh:query(sql, params);
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--clear the cache
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os.execute('rm -f /var/cache/fusionpbx/directory.*@'..domain_name);
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end
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--display label on Phone (if support)
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if (session:ready()) then
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session:sleep(1000);
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local api = freeswitch.API();
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local reply = api:executeString("uuid_display "..session:get_uuid().." "..call_display);
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end
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--play the audio fil or tone
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if (session:ready()) then
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session:sleep(2000);
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audio_file = "tone_stream://%(200,0,500,600,700)"
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end
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