From f757e65559e94ee332d6d0677471df01d6a9394c Mon Sep 17 00:00:00 2001
From: lavigor <lavigor@users.noreply.github.com>
Date: Thu, 17 May 2018 04:50:37 +0300
Subject: [PATCH] [ticket/13713] Start working on User Mentions

PHPBB3-13713
---
 phpBB/config/default/container/services.yml   |  1 +
 phpBB/config/default/routing/routing.yml      |  5 ++
 .../default/container/services_mention.yml    | 25 +++++++++
 phpbb/phpbb/mention/controller/mention.php    | 52 ++++++++++++++++++
 phpbb/phpbb/mention/source/topic.php          | 53 +++++++++++++++++++
 5 files changed, 136 insertions(+)
 create mode 100644 phpbb/config/default/container/services_mention.yml
 create mode 100644 phpbb/phpbb/mention/controller/mention.php
 create mode 100644 phpbb/phpbb/mention/source/topic.php

diff --git a/phpBB/config/default/container/services.yml b/phpBB/config/default/container/services.yml
index b8fc7fa755..1d48ead588 100644
--- a/phpBB/config/default/container/services.yml
+++ b/phpBB/config/default/container/services.yml
@@ -15,6 +15,7 @@ imports:
     - { resource: services_help.yml }
     - { resource: services_http.yml }
     - { resource: services_language.yml }
+    - { resource: services_mention.yml }
     - { resource: services_migrator.yml }
     - { resource: services_mimetype_guesser.yml }
     - { resource: services_module.yml }
diff --git a/phpBB/config/default/routing/routing.yml b/phpBB/config/default/routing/routing.yml
index a5e9265dc3..9ed725fc06 100644
--- a/phpBB/config/default/routing/routing.yml
+++ b/phpBB/config/default/routing/routing.yml
@@ -24,6 +24,11 @@ phpbb_help_routing:
     resource: help.yml
     prefix: /help
 
+phpbb_mention_controller:
+    path: /mention
+    methods: [GET, POST]
+    defaults: { _controller: phpbb.mention.controller:handle }
+
 phpbb_report_routing:
     resource: report.yml
 
diff --git a/phpbb/config/default/container/services_mention.yml b/phpbb/config/default/container/services_mention.yml
new file mode 100644
index 0000000000..c7fc969182
--- /dev/null
+++ b/phpbb/config/default/container/services_mention.yml
@@ -0,0 +1,25 @@
+services:
+# ----- Controller -----
+    phpbb.mention.controller:
+        class: phpbb\mention\controller\mention
+        arguments:
+            - '@request'
+            - '%core.root_path%'
+            - '%core.php_ext%'
+
+# ----- Sources for mention -----
+    phpbb.mention.source_collection:
+        class: phpbb\di\service_collection
+        arguments:
+            - '@service_container'
+        tags:
+            - { name: service_collection, tag: mention.source }
+
+    phpbb.mention.source.topic:
+        class: phpbb\mention\source\topic
+        arguments:
+            - '@dbal.conn'
+            - '@request'
+        tags:
+            - { name: mention.source }
+
diff --git a/phpbb/phpbb/mention/controller/mention.php b/phpbb/phpbb/mention/controller/mention.php
new file mode 100644
index 0000000000..b9e51eed28
--- /dev/null
+++ b/phpbb/phpbb/mention/controller/mention.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\mention\controller;
+
+use Symfony\Component\HttpFoundation\JsonResponse;
+
+class mention
+{
+	/** @var  \phpbb\request\request_interface */
+	protected $request;
+
+	/** @var string */
+	protected $phpbb_root_path;
+
+	/** @var string */
+	protected $php_ext;
+
+	/**
+	 * Constructor
+	 *
+	 */
+	public function __construct(\phpbb\request\request_interface $request, $phpbb_root_path, $phpEx)
+	{
+		$this->request = $request;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $phpEx;
+	}
+
+	public function handle()
+	{
+		if (!$this->request->is_ajax())
+		{
+			redirect(append_sid($this->phpbb_root_path . 'index.' . $this->php_ext));
+		}
+
+		$topic_id = $this->request->variable('topic_id', 0);
+		// TODO
+
+		return new JsonResponse();
+	}
+}
diff --git a/phpbb/phpbb/mention/source/topic.php b/phpbb/phpbb/mention/source/topic.php
new file mode 100644
index 0000000000..739be108cd
--- /dev/null
+++ b/phpbb/phpbb/mention/source/topic.php
@@ -0,0 +1,53 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\mention\method;
+
+class topic
+{
+	/** @var \phpbb\db\driver\driver_interface */
+	protected $db;
+
+	/** @var  \phpbb\request\request_interface */
+	protected $request;
+
+	/**
+	* Constructor
+	*/
+	public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\request\request_interface $request)
+	{
+		$this->db = $db;
+		$this->request = $request;
+	}
+
+	public function get($keyword, $topic_id)
+	{
+		$query = $this->db->sql_build_query('SELECT', [
+			'SELECT' => 'u.username, u.user_id',
+			'FROM' => [
+				USERS_TABLE => 'u',
+			],
+			'LEFT_JOIN' => [
+				'FROM' => [POSTS_TABLE => 'p'],
+				'ON' => 'u.user_id = p.poster_id'
+			],
+			'WHERE' => 'p.topic_id = ' . $topic_id . ' AND u.user_id <> ' . ANONYMOUS . '
+				AND ' . $this->db->sql_in_set('u.user_type', [USER_NORMAL, USER_FOUNDER]) .  '
+				AND u.username_clean ' . $this->db->sql_like_expression($keyword . $this->db->get_any_char()),
+			'ORDER_BY' => 'p.post_time DESC'
+		]);
+		$res = $this->db->sql_query_limit($query, 5);
+
+		return $this->db->sql_fetchrowset($res);
+	}
+}