From a9f4afdcbc68a41f11fea46967ebec209e1b4809 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre@mail.local>
Date: Fri, 20 Jul 2018 15:31:21 +0200
Subject: [PATCH] Latest posts thread can includes groups posts.

---
 RestControllers/PostsController.php    |  5 ++++-
 classes/components/GroupsComponent.php | 23 +++++++++++++++++++++++
 classes/components/posts.php           | 23 ++++++++++++++++++++---
 3 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/RestControllers/PostsController.php b/RestControllers/PostsController.php
index 6d03098..708c1b1 100644
--- a/RestControllers/PostsController.php
+++ b/RestControllers/PostsController.php
@@ -98,8 +98,11 @@ class PostsController {
 		else
 			$startFrom = 0; //No start point
 
+		//Check whether groups posts should be included or not
+		$include_groups = isset($_POST['include_groups']) ? postBool("include_groups") : FALSE;
+		
 		//Get the post of the user
-		$posts = CS::get()->components->posts->get_latest(userID, $startFrom, 10);
+		$posts = CS::get()->components->posts->get_latest(userID, $startFrom, 10, $include_groups);
 
 		//Return parsed list of posts
 		return $this->parsePostsList($posts);
diff --git a/classes/components/GroupsComponent.php b/classes/components/GroupsComponent.php
index d2ee32e..30b57f3 100644
--- a/classes/components/GroupsComponent.php
+++ b/classes/components/GroupsComponent.php
@@ -254,6 +254,29 @@ class GroupsComponent {
 
 	}
 
+	/**
+	 * Get the list of groups a user is following
+	 * 
+	 * @param int $userID The ID of the target group
+	 * @return array The IDs of the groups followed by the user
+	 */
+	public function getListFollowedByUser(int $userID) : array {
+
+		$result = db()->select(
+			self::GROUPS_MEMBERS_TABLE,
+			"WHERE user_id = ? AND following = 1",
+			array($userID),
+			array("groups_id")
+		);
+
+		//Parse the list of IDs
+		$list = array();
+		foreach($result as $el)
+			$list[] = $el["groups_id"];
+		return $list;
+
+	}
+
 	/**
 	 * Count the number of a kind of membership in a group
 	 * 
diff --git a/classes/components/posts.php b/classes/components/posts.php
index b77085c..5af4ca8 100644
--- a/classes/components/posts.php
+++ b/classes/components/posts.php
@@ -218,9 +218,12 @@ class Posts {
 	 * @param int $userID The ID of the user requesting its list of posts
 	 * @param int $startPoint The startpoint of the research (default: 0 = none)
 	 * @param int $limit The limit of the research (default: 10)
+	 * @param bool $include_groups Specify whether groups post can be selected
+	 * too or not
 	 * @return array The list of newest posts for the user
 	 */
-	public function get_latest(int $userID, int $startPoint = 0, int $limit = 10) : array {
+	public function get_latest(int $userID, int $startPoint = 0, 
+		int $limit = 10, bool $include_groups) : array {
 
 		//Check the value of limit (security)
 		if($limit < 1){
@@ -236,7 +239,7 @@ class Posts {
 
 		//Prepare the request on the database
 		//Add the visibility level conditions
-		$conditions = "WHERE group_id = 0 AND niveau_visibilite <= ? AND (ID_personne = ?";
+		$conditions = "WHERE (group_id = 0 AND niveau_visibilite <= ? AND (ID_personne = ?";
 		$dataConds = array($visibilityLevel, $userID);
 
 		//Process the list of friends of the user
@@ -247,7 +250,21 @@ class Posts {
 		}
 
 		//Close user list conditions
-		$conditions .= ")";
+		$conditions .= "))";
+
+		//Check whether posts from groups should be included too
+		if($include_groups){
+
+			//Get the list of groups the user is following
+			$groups = components()->groups->getListFollowedByUser($userID);
+
+			//Process the list of groups
+			foreach($groups as $groupID){
+				$conditions .= " OR (group_id = ?)";
+				$dataConds[] = $groupID;
+			}
+		}
+
 		
 		//Add startpoint condition if required (and get older messages)
 		if($startPoint != 0){