integration with best answer mod

Signed-off-by: Diego Andrés <diegoandres_cortes@outlook.com>

Author: DiegoAndresCortes

README.md

@@ -14,6 +14,7 @@ Topic Solved mod provides a very basic functionality to mark topics as solved.
   - Solve own topics
 - Select boards where it applies
 - Color the solved topics in messageindex
+- Integration with [Best Answer](https://github.com/SychO9/smf-best-answer)
 
 ### Localization
 - ![English](https://www.simplemachines.org/site_images/lang/english.gif) English

Sources/Class-TopicSolved.php

@@ -40,6 +40,9 @@ public static function hooks()
 
 		// Settings
 		add_integration_function('integrate_general_mod_settings', __CLASS__ . '::settings#', false, $sourcedir . '/Class-TopicSolved.php');
+
+		// Best Answer
+		add_integration_function('integrate_sycho_best_answer', __CLASS__ . '::best_answer#', false, $sourcedir . '/Class-TopicSolved.php');
 	}
 
 	/**
@@ -285,4 +288,42 @@ public function permissions(&$permissionGroups, &$permissionList, &$leftPermissi
 	{
 		$permissionList['board']['solve_topics'] = [true, 'topic', 'moderate'];
 	}
+
+	/**
+	 * Best Answer
+	 * 
+	 * Mark the topic as solved after the best answer is chosen
+	 * 
+	 * @return void
+	 */
+	public function best_answer($id_msg) : void
+	{
+		global $smcFunc, $modSettings, $board;
+
+		// Can we solve in this board?
+		if (!in_array($board, explode(',', $modSettings['TopicSolved_boards_can_solve'])))
+			return;
+
+		// Find the topic from this msg
+		$request = $smcFunc['db_query']('', '
+			SELECT m.id_topic
+			FROM {db_prefix}messages AS m
+			WHERE m.id_msg = {int:id_msg}',
+			[
+				'id_msg' => $id_msg,
+			]
+		);
+		$topic = $smcFunc['db_fetch_assoc']($request);
+		$smcFunc['db_free_result']($request);
+
+		// Mark the topic as solved
+		$smcFunc['db_query']('', '
+			UPDATE {db_prefix}topics AS t
+			SET is_solved = 1
+			WHERE t.id_topic = {int:topic}',
+			[
+				'topic' => $topic['id_topic'],
+			]
+		);
+	}
 }

readme/readme.english.txt

@@ -20,6 +20,7 @@
 [/li]
 [li][size=0.9em]Select boards where it applies[/size][/li]
 [li][size=0.9em]Color the solved topics in messageindex[/size][/li]
+[li][size=0.9em]Integration with [url="https://custom.simplemachines.org/index.php?mod=4274"]Best Answer[/url][/size][/li]
 [/list]
 
 [size=3][color=#358234]Localization[/color][/size]