Move friendly error message feature to Message module

modules/message/lang/en.php

@@ -1,3 +1,5 @@
 <?php
 $lang->message = 'Display Errors';
 $lang->about_skin = 'You may select skins for error messages.';
+$lang->msg_administrator_login = 'Administrator Login';
+$lang->error_help['baseobject'] = 'Object → BaseObject conversion is required in a third-party program. Please fix it by consulting the file name and line number shown above.';

modules/message/lang/ko.php

@@ -2,3 +2,4 @@
 $lang->message = '오류 표시';
 $lang->about_skin = '오류 메시지용 스킨을 지정할 수 있습니다.';
 $lang->msg_administrator_login = '관리자 로그인';
+$lang->error_help['baseobject'] = 'Object → BaseObject 변환이 필요한 서드파티 자료가 있습니다. 위의 에러 메시지에 포함된 파일명과 줄 번호를 참고하여 수정하세요.';

modules/message/m.skins/default/system_message.html

@@ -6,6 +6,9 @@
 	<div class="message" cond="$system_message_detail">
 		{$system_message_detail}
 	</div>
+	<div class="message help" cond="$system_message_help">
+		{$system_message_help}
+	</div>
 	<div class="message location" cond="$system_message_location">
 		{$system_message_location}
 	</div>

modules/message/message.view.php

@@ -7,17 +7,10 @@
  */
 class MessageView extends Message
 {
-	/**
-	 * @brief Initialization
-	 */
-	function init()
-	{
-	}
-
 	/**
 	 * @brief Display messages
 	 */
-	function dispMessage($detail = null, $location = null)
+	public function dispMessage($detail = null, $location = null)
 	{
 		// Get skin configuration
 		$config = ModuleModel::getModuleConfig('message') ?: new stdClass;
@@ -79,6 +72,7 @@ class MessageView extends Message
 		Context::set('ssl_mode', \RX_SSL);
 		Context::set('system_message', nl2br($this->getMessage()));
 		Context::set('system_message_detail', nl2br($detail));
+		Context::set('system_message_help', self::getErrorHelp($detail));
 		Context::set('system_message_location', escape($location));
 
 		if ($this->getError())
@@ -101,6 +95,29 @@ class MessageView extends Message
 			$this->setHttpStatusCode(403);
 		}
 	}
+
+	/**
+	 * Get friendly help message for common types of errors.
+	 *
+	 * @param string $error_message
+	 * @return string
+	 */
+	public static function getErrorHelp(string $error_message): string
+	{
+		$regexp_list = [
+			'/Class [\'"]Object[\'"] not found/' => 'baseobject',
+		];
+
+		foreach ($regexp_list as $regexp => $key)
+		{
+			if (preg_match($regexp, $error_message))
+			{
+				return lang('message.error_help.' . $key);
+			}
+		}
+
+		return '';
+	}
 }
 /* End of file message.view.php */
 /* Location: ./modules/message/message.view.php */

modules/message/skins/default/system_message.html

@@ -11,6 +11,9 @@
 		<div class="message" cond="$system_message_detail">
 			{$system_message_detail}
 		</div>
+		<div class="message help" cond="$system_message_help">
+			{$system_message_help}
+		</div>
 		<div class="message location" cond="$system_message_location">
 			{$system_message_location}
 		</div>

modules/message/skins/xedition/system_message.html

@@ -8,6 +8,9 @@
 		<div class="message" cond="$system_message_detail">
 			{$system_message_detail}
 		</div>
+		<div class="message help" cond="$system_message_help">
+			{$system_message_help}
+		</div>
 		<div class="message location" cond="$system_message_location">
 			{$system_message_location}
 		</div>