From db531692beb6766e9bfdf91069d97766e56a5327 Mon Sep 17 00:00:00 2001
From: FusionPBX <markjcrane@gmail.com>
Date: Sat, 10 Feb 2018 13:38:17 -0700
Subject: [PATCH] Create find_file.lua

---
 .../scripts/resources/functions/find_file.lua | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 resources/install/scripts/resources/functions/find_file.lua

diff --git a/resources/install/scripts/resources/functions/find_file.lua b/resources/install/scripts/resources/functions/find_file.lua
new file mode 100644
index 0000000000..f85faefe26
--- /dev/null
+++ b/resources/install/scripts/resources/functions/find_file.lua
@@ -0,0 +1,71 @@
+local function find_file(dbh, domain_name, domain_uuid, file_name)
+	-- if we specify e.g. full path
+	if (is_absolute_path(file_name) and file.exists(file_name)) then
+		log.debugf('found file `%s` in file system', file_name)
+		return file_name
+	end
+
+	local file_name_only = basename(file_name)
+
+	local is_base64, found
+
+	if file_name_only == file_name then -- this can be recordings
+		local full_path = recordings_dir .. "/" .. domain_name .. "/" .. file_name
+		if file.exists(full_path) then
+			log.debugf('resolve `%s` as recording `%s`', file_name, full_path)
+			file_name, found = full_path, true
+		else -- recordings may be in database
+			local settings = Settings.new(dbh, domain_name, domain_uuid)
+			local storage_type = settings:get('recordings', 'storage_type', 'text') or ''
+			if storage_type == 'base64' then
+				local sql = "SELECT recording_base64 FROM v_recordings "
+					.. "WHERE domain_uuid = :domain_uuid"
+					.. "AND recording_filename = :file_name "
+				local params = {domain_uuid = domain_uuid, file_name = file_name};
+				if (debug["sql"]) then
+					log.notice("SQL: " .. sql .. "; params: " .. json.encode(params))
+				end
+
+				local dbh = Database.new('system', 'base64/read')
+				local recording_base64 = dbh:first_value(sql, params);
+				dbh:release();
+
+				if recording_base64 and #recording_base64 > 32 then
+					log.debugf('resolve `%s` as recording `%s`(base64)', file_name, full_path)
+					file_name, found, is_base64 = full_path, true, true
+					file.write_base64(file_name, recording_base64)
+				end
+			end
+		end
+	end
+
+	if not found then
+		local sounds_dir
+		if session then
+			-- Implemented based on stream.lua. But seems it never works.
+			-- because if we have file like `digits/1.wav` but full_path is `sounds_dir/digits/XXXX/1.wav`
+			sounds_dir = session:getVariable("sounds_dir")
+			local default_language = session:getVariable("default_language") or 'en'
+			local default_dialect = session:getVariable("default_dialect") or 'us'
+			local default_voice = session:getVariable("default_voice") or 'callie'
+
+			sounds_dir = sounds_dir.."/"..default_language.."/"..default_dialect.."/"..default_voice
+		else
+			--! @todo implement for not session call.
+		end
+
+		if sounds_dir then
+			found = file.exists(sounds_dir.. "/" ..file_name_only)
+			if found then
+				log.debugf('resolve `%s` as sound `%s`', file_name, found)
+				file_name, found = found, true
+			end
+		end
+	end
+
+	if not found then
+		return
+	end
+
+	return file_name, is_base64
+end