Can create posts for groups.

RestControllers/PostsController.php

@@ -99,7 +99,11 @@ class PostsController {
 			Rest_fatal_error(500, "Couldn't retrieve post informations !");
 
 		//Check if we can get the comments of the post
-		if(components()->user->allowComments($postInfos->get_user_page_id()))
+		$load_comments = TRUE;
+		if($postInfos->get_kind_page() == Posts::PAGE_KIND_USER)
+			$load_comments = components()->user->allowComments($postInfos->get_user_page_id());
+
+		if($load_comments)
 			$postInfos->set_comments(components()->comments->get($postInfos->get_id()));
 
 		//Parse post informations
@@ -142,6 +146,20 @@ class PostsController {
 
 				break;
 			
+
+			//In case of group
+			case "group":
+
+				//Save the values
+				$kind_page = Posts::PAGE_KIND_GROUP;
+				$kind_page_id = getPostGroupIdWithAccess("kind-id", GroupInfo::MEMBER_ACCESS);
+
+				//Check whether the user is authorized to create posts on the page or not
+				if(!components()->groups->canUserCreatePost(userID, $kind_page_id))
+					Rest_fatal_error(401, "You are not authorized to create posts on this group!");
+				
+				break;	
+			
 			//Unsupported kind of page
 			default:
 				Rest_fatal_error(500, "Unsupported kind of page !");
@@ -349,6 +367,9 @@ class PostsController {
 		if($postID < 0)
 			Rest_fatal_error(400, "Couldn't create post !");
 
+		
+		if($post->get_kind_page() == Posts::PAGE_KIND_USER){
+
 			//Create a notification
 			$notification = new Notification();
 			$notification->set_from_user_id(userID);
@@ -357,6 +378,9 @@ class PostsController {
 			$notification->set_type(Notification::ELEM_CREATED);
 			components()->notifications->push($notification);
 			
+		}
+		
+
 		//Success
 		return array(
 			"success" => "The post has been created !",

classes/components/GroupsComponent.php

@@ -526,6 +526,40 @@ class GroupsComponent {
 		return GroupInfo::NO_ACCESS;
 	}
 
+	/**
+	 * Check whether a user can create posts or not on a group
+	 * 
+	 * @param int $userID The related user ID
+	 * @param int $groupID The ID of the target group
+	 * @return bool TRUE if the user is authorized / FALSE else
+	 */
+	public function canUserCreatePost(int $userID, int $groupID) : bool {
+
+		//Get the membership level of the user over the post
+		$membership_level = $this->getMembershipLevel($userID, $groupID);
+
+		//Moderators + administrators : can always create posts
+		if($membership_level == GroupMember::ADMINISTRATOR
+			|| $membership_level == GroupMember::MODERATOR)
+
+			return TRUE;
+		
+		if($membership_level == GroupMember::MEMBER) {
+
+			//Get information about the group to check whether all the members of
+			//the group are authorized to create posts or not
+			$group = $this->get_advanced_info($groupID);
+
+			if($group->get_posts_level() == GroupInfo::POSTS_LEVEL_ALL_MEMBERS)
+				return TRUE;
+
+		}
+		
+		//Other members can not create posts
+		return FALSE;
+
+	}
+
 	/**
 	 * Delete current group logo (if any)
 	 * 

classes/components/notifications.php

@@ -101,10 +101,20 @@ class notificationComponent {
 				return false;
 				
 			//Update post informations
+			if($info_post->get_kind_page() == Posts::PAGE_KIND_USER){
 				$notification->set_from_container_type(Notification::USER_PAGE);
 				$notification->set_from_container_id($info_post->get_user_page_id());
+			}
+			else if($info_post->get_kind_page() == Posts::PAGE_KIND_GROUP){
+				$notification->set_from_container_type(Notification::GROUP_PAGE);
+				$notification->set_from_container_id($info_post->get_group_id());
+			}
+			else
+				throw new Exception("Unsupported page kind: ".$info_post->get_kind_page());
+			
 
 			//Check if the notification is private or not
+			//Private posts
 			if($info_post->get_visibility_level() == Posts::VISIBILITY_USER){
 
 				//Push the notification only to the user, and only if it is not him
@@ -117,7 +127,9 @@ class notificationComponent {
 				//Push the notification
 				return $this->push_private($notification);
 			}
-			else {
+
+			//For the posts on user pages
+			else if($notification->get_from_container_type() == Notification::USER_PAGE) {
 
 				//Get the list of friends of the user
 				$friendslist = components()->friends->getList($notification->get_from_user_id());
@@ -146,6 +158,17 @@ class notificationComponent {
 
 			}
 
+			//For the posts on groups
+			else if($notification->get_from_container_type() == Notification::GROUP_PAGE){
+				//TODO : implement
+				return TRUE;
+			}
+
+			//Unimplemented scenario
+			else {
+				throw new Exception("Notification scenarios not implemented!");
+			}
+
 		}
 
 		//Handles friendship request notifications

classes/components/posts.php

@@ -39,6 +39,7 @@ class Posts {
 	 */
 	//Post on user page
 	const PAGE_KIND_USER = "user";
+	const PAGE_KIND_GROUP = "group";
 
 	/**
 	 * Kinds of post
@@ -334,6 +335,9 @@ class Posts {
 		if($post_info->get_userID() == $userID)
 			return $this::FULL_ACCESS;
 		
+		//Special checks if the posts belongs to a user's page
+		if($post_info->get_kind_page() == Posts::PAGE_KIND_USER){
+
 			//Check if the post was made on the user page
 			if($post_info->get_user_page_id() == $userID)
 				return $this::INTERMEDIATE_ACCESS;
@@ -381,6 +385,33 @@ class Posts {
 				else
 					return $this::NO_ACCESS;
 			}
+		}
+
+		//Checks if the posts belongs to a group's page
+		if($post_info->get_kind_page() == Posts::PAGE_KIND_GROUP){
+
+			//Get the access level of the user over the group
+			$access_level = components()->groups->getMembershipLevel($userID, $post_info->get_group_id());
+
+			//Moderators and administrators can delete all the posts of the group
+			if($access_level < GroupMember::MEMBER)
+				return $this::INTERMEDIATE_ACCESS;
+				
+			//Members of a group can see all the posts of the group
+			if($access_level == GroupMember::MEMBER)
+				return $this::BASIC_ACCESS;
+				
+			//Check if the post is public or not
+			if($post_info->get_visibility_level() != Posts::VISIBILITY_PUBLIC)
+				return $this::NO_ACCESS;
+			
+			//Check if the group is open or not
+			if(!components()->groups->is_open($post_info->get_group_id()))
+				return $this::NO_ACCESS;
+			
+			// Post public + open group > basic access
+			return $this::BASIC_ACCESS;
+		}
 		
 		//Not implemented
 		return $this::NO_ACCESS;
@@ -417,6 +448,14 @@ class Posts {
 			//Determine who is creating the post
 			$post_user_id = $post->get_kind_page_id();
 			$post_friend_id = $post->get_kind_page_id() == $post->get_userID() ? 0 : $post->get_userID();
+			$post_group_id = 0;
+
+		}
+		else if($post->get_kind_page() == $this::PAGE_KIND_GROUP){
+
+			$post_user_id = $post->get_userID();
+			$post_friend_id = 0;
+			$post_group_id = $post->get_kind_page_id();
 
 		}
 		else {
@@ -427,6 +466,7 @@ class Posts {
 		$data = array(
 			"ID_personne" => $post_user_id,
 			"ID_amis" => $post_friend_id,
+			"group_id" => $post_group_id,
 			"date_envoi" => mysql_date(),
 			"time_insert" => time(),
 			"texte" => $post->has_content() ? $post->get_content() : "",
@@ -688,7 +728,11 @@ class Posts {
 		//General information
 		$post->set_id($entry["ID"]);
 		$post->set_userID($entry["ID_amis"] == 0 ? $entry["ID_personne"] : $entry["ID_amis"]);
+
+		//Determine the kind of target page and its ID
 		$post->set_user_page_id($entry["ID_personne"]);
+		$post->set_group_id($entry["group_id"]);
+		
 		$post->set_time_sent($entry["time_insert"] == null ? strtotime($entry["date_envoi"]) : $entry["time_insert"]);
 		$post->set_content($entry["texte"]);
 		$post->set_visibility_level($entry["niveau_visibilite"]);

classes/models/Notification.php

@@ -11,6 +11,7 @@ class Notification {
 	 * Elements type
 	 */
 	const USER_PAGE = "user_page";
+	const GROUP_PAGE = "group_page";
 	const CONVERSATION = "conversation";
 	const CONVERSATION_MESSAGE = "conversation_message";
 	const POST = "post";

classes/models/Post.php

@@ -75,6 +75,22 @@ class Post extends BaseUniqueObjectFromUser {
 		return $this->kind_page == Posts::PAGE_KIND_USER ? $this->kind_page_id : 0;
 	}
 
+	//Set and get the target group ID
+	public function set_group_id(int $group_id){
+		if($group_id > 0){
+			$this->set_kind_page(Posts::PAGE_KIND_GROUP);
+			$this->kind_page_id = $group_id;
+		}
+	}
+
+	public function has_group_id() : bool {
+		return $this->kind_page_id > 0 && $this->kind_page == Posts::PAGE_KIND_GROUP;
+	}
+
+	public function get_group_id() : int {
+		return $this->kind_page == Posts::PAGE_KIND_GROUP ? $this->kind_page_id : 0;
+	}
+
 
 	//Set and get content
 	public function set_content(string $content){