First post request

classes/components/posts.php

@@ -7,6 +7,85 @@
 
 class Posts {
 
+	/**
+	 * Visibility levels
+	 */
+	//Posts that can be seen by anyone
+	const VISIBILITY_PUBLIC = 1;
+
+	//Posts that can be seen by the friends of the user
+	const VISIBILITY_FRIENDS = 2;
+
+	//Posts that can be seen by the user only
+	const VISIBILITY_USER = 3;
+
+	/**
+	 * Table name
+	 */
+	const TABLE_NAME = "texte";
+
+	/**
+	 * Get the visibility level of a user other another user
+	 * 
+	 * @param int $userID The ID of the user to fetch
+	 * @param int $targetID The ID of the user target
+	 * @return int Visibility level
+	 */
+	public function getUserVisibility(int $userID, int $targetID) : int {
+
+		//If the user making the request and the target user are the same
+		if($userID == $targetID)
+			return $this::VISIBILITY_USER;
+		
+		//Check user if is signed out
+		if($userID == 0)
+			return $this::VISIBILITY_PUBLIC;
+		
+		//Check if the two users are friends or not
+		if(CS::get()->components->friends->are_friend($userID, $targetID))
+			//Users are friends
+			return $this::VISIBILITY_FRIENDS;
+
+		else
+			//Users are not friend
+			return $this::VISIBILITY_PUBLIC;
+
+	}
+
+	/**
+	 * Get a list of post of a user
+	 * 
+	 * @param int $userID The ID of the user making the request
+	 * @param int $targetID The ID of the target user
+	 * @param int $visibilityLevel Visibility level required
+	 * @param int $startPoint The startpoint for the request (0 stands for none)
+	 */
+	public function getUserPosts(int $userID, int $targetID, int $visibilityLevel, int $startPoint = 0) : array {
+
+		//Prepare the request on the database
+		$conditions = "WHERE ID_personne = ? AND (";
+		$dataConds = array($targetID);
+
+		//Add the visibility level conditions
+		$conditions .= "(niveau_visibilite <= ?)";
+		$dataConds[] = $visibilityLevel;
+
+		//If user is signed in, include all the posts that he has created
+		if($userID > 0){
+			$conditions .= " OR (ID_amis = ?) ";
+			$dataConds[] = $userID;
+		}
+
+		//Close conditions
+		$conditions .= ")";
+
+		//Perform the request
+		return CS::get()->db->select(
+			$this::TABLE_NAME,
+			$conditions,
+			$dataConds
+		);
+	}
 }
 
 //Register component