From 8a180f8a449ab86e1f7e22459e0512ee3ac613f1 Mon Sep 17 00:00:00 2001
From: Ted Trask <ttrask01@yahoo.com>
Date: Mon, 18 Jan 2016 15:44:40 +0000
Subject: Modify CyberData template to work with any init.cfg or none at all

Previously, init.cfg had to follow a specific format to work
---
 config/templates/cyberdata-template.lua | 59 ++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 15 deletions(-)

diff --git a/config/templates/cyberdata-template.lua b/config/templates/cyberdata-template.lua
index 515cceb..11206ba 100644
--- a/config/templates/cyberdata-template.lua
+++ b/config/templates/cyberdata-template.lua
@@ -6,32 +6,61 @@ local values = ...
 
 xml = require("LuaXml")
 
-local init_cfg = xml.load("/var/www/provisioning/htdocs/CyberData/init.cfg")
+local InitFile = "/var/www/provisioning/htdocs/CyberData/init.cfg"
+
+local function findSection(xmlobj, name)
+	-- Cannot use xmlobj:find() because we don't want recursion
+	for i,s in ipairs(xmlobj) do
+		if s:tag() == name then
+			return s
+		end
+	end
+	return null
+end
+
+local function findOrAppendSection(xmlobj, name)
+	return findSection(xmlobj, name) or xmlobj:append(name)
+end
+
+local function setValue(xmlobj, name, value)
+	if value then
+		findOrAppendSection(xmlobj, name)[1] = value
+	end
+end
+
+-- Load the initial config
+local init_cfg
+local res, err = pcall(function()
+	init_cfg = xml.load(InitFile)
+end)
+if not res and err then
+	init_cfg = xml.new("specific")
+end
 
 -- <IPSettings>
 
 -- <SIPSettings>
 
-for pg, pg_t in pairs(values) do
-	-- Is it of the form regX ?
-	local num = string.match(pg, 'reg(%d+)')
-	if num then
-		if pg_t.extension ~= "" then
-			init_cfg[2]:append("SIPServer")[1] = values.device.registrar
-			init_cfg[2]:append("SIPUserID")[1] = pg_t.extension
-			init_cfg[2]:append("SIPAuthID")[1] = pg_t.extension
-			init_cfg[2]:append("SIPAuthPassword")[1] = pg_t.password
-			init_cfg[2]:append("DialoutExtension0")[1] = pg_t.hotlinedestination
-			init_cfg[2]:append("DialoutID0")[1] = pg_t.callerid
-		end
+if values.reg1 then
+	local sipsettings = findOrAppendSection(init_cfg, "SIPSettings")
+	if values.device then
+		setValue(sipsettings, "SIPServer", values.device.registrar)
 	end
+	setValue(sipsettings, "SIPUserID", values.reg1.extension)
+	setValue(sipsettings, "SIPAuthID", values.reg1.extension)
+	setValue(sipsettings, "SIPAuthPassword", values.reg1.password)
+	setValue(sipsettings, "DialoutExtension0", values.reg1.hotlinedestination)
+	setValue(sipsettings, "DialoutID0", values.reg1.callerid)
 end
 
 
 -- <ClockSettings>
 
-init_cfg[3]:append("NTPServer")[1] = values.device.sntpserver
-init_cfg[3]:append("NTPTimezone")[1] = values.device.timezone
+if values.device then
+	local clocksettings = findOrAppendSection(init_cfg, "ClockSettings")
+	setValue(clocksettings, "NTPServer", values.device.sntpserver)
+	setValue(clocksettings, "NTPTimezone", values.device.timezone)
+end
 
 -- init_cfg:save("TEST-cyberdata.xml")
 
-- 
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