X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=includes%2Fhooks.inc;h=609eac31203b49b4a2efdac51f2aaf54d1161232;hb=66cfb670d9261ad0364a91822dc0766de1620799;hp=361a56eca52d95d7852ca9e6370ad0be1a7bc3fc;hpb=53d942f2a0d20cce5e9c409c6485867ce0869e4d;p=fa-stable.git

diff --git a/includes/hooks.inc b/includes/hooks.inc
index 361a56ec..609eac31 100644
--- a/includes/hooks.inc
+++ b/includes/hooks.inc
@@ -191,39 +191,66 @@ class hooks {
 	{
 		return true;
 	}
+
+	/*
+	 * Returns the quantity allowed to be dispatched for a particular item 
+	 * and a status (which can be used to style the row).
+	 * This quantity would be the default value on the delivery note.
+	 * The usual use case for this is when a item is in stock,
+	 * but has been reserved by someone else.
+	 * This allows extensions to implements its own priority algorithm.
+	 * This function is by detail_id and not item in case the item is present
+	 * more than one in  the cart.
+	 */
+	/* Default behavior check if there is enough quantity on hand and change the css
+ 	 * class if needed */
+	static function  default_get_dispatchable_quantity($line_item, $location, $date, $qoh) {
+    	global $SysPrefs;
+
+		if ($SysPrefs->allow_negative_stock() || ($line_item->qty_dispatched <= $qoh)) {
+			return true;
+		}
+		return array($qoh, 'stockmankobg');
+	}
+
 }
 
 /*
 	Installs hooks provided by extension modules
 */
-function install_hooks()
+function install_hooks($lang_code=null)
 {
 	global $path_to_root, $Hooks, $installed_extensions;
 
 	$Hooks = array();
-	
 	// include current language related $Hooks object if locale file exists
-	if (file_exists($path_to_root . "/lang/".$_SESSION['language']->code."/locale.inc"))
+	if (!$lang_code)
+		$lang_code = $_SESSION['language']->code;
+	$lang_code  = clean_file_name($lang_code);
+
+	if (file_exists($path_to_root . "/lang/" . $lang_code . "/locale.inc"))
 	{
-		include_once($path_to_root . "/lang/".$_SESSION['language']->code."/locale.inc");
-		$code = $_SESSION['language']->code;
+		include_once($path_to_root . "/lang/" . $lang_code . "/locale.inc");
+		$code = $lang_code;
 		$hook_class = 'hooks_'.$code;
 		$Hooks[$code] = new $hook_class;
 		unset($code, $hook_class);
 	}
 	// install hooks provided by active extensions
-	foreach($installed_extensions as $ext) {
+	if (isset($installed_extensions) && !empty($installed_extensions)) {
+		foreach($installed_extensions as $ext) {
 			$hook_class = 'hooks_'.$ext['package'];
 			if ($ext['active'] && class_exists($hook_class)) {
 				$Hooks[$ext['package']] = new $hook_class;
 			}
+		}	
 	}
 }
 /*
 	Non active hooks are not included in $Hooks array, so we can use special function to 
 	activate.
 */
-function activate_hooks($ext, $comp)
+function activate_hooks($ext, $comp, $on=true)
 {
 	global $Hooks;
 
@@ -237,8 +264,10 @@ function activate_hooks($ext, $comp)
 	}
 	if (!$hooks)
 		return false;
-	else
+	elseif ($on)
 		return $hooks->activate_extension($comp, false);
+	else
+		return $hooks->deactivate_extension($comp, false);
 }
 /*
 	Calls hook $method defined in extension $ext (if any)
@@ -416,3 +445,19 @@ function hook_authenticate($login, $password)
 {
 	return hook_invoke_last('authenticate', $login, $password);
 }
+
+	/*
+	 * Returns the quantity allowed to be dispatched for a particular item 
+	 * and a "reason" (css classes).
+	 * This quantity would be the default value on the delivery note.
+	 * The usual use case for this is when a item is in stock,
+	 * but has been reserved by someone else.
+	 * This allows extensions to implements its own priority algorithm.
+	 * This function is by detail_id and not item in case the item is present
+	 * more than one in  the cart.
+	 * If 'skip' is returned, the line will be skipped and not displayed
+	 */
+function hook_get_dispatchable_quantity($line_item, $location, $date, $qoh) {
+		$result =  hook_invoke_first('get_dispatchable_quantity', $line_item, array($location, $date, $qoh));
+		return $result !== null ? $result : hooks::default_get_dispatchable_quantity($line_item, $location, $date, $qoh);
+}