Fetch informations about pages like

RestControllers/userController.php

@@ -139,6 +139,11 @@ class userController
 		else
 			//User friends won't be displayed
 			$userInfos["number_friends"] = 0;
+
+		//Get some informations only is user is signed in
+		if(user_signed_in()){
+			$userInfos["user_like_page"] = CS::get()->components->likes->is_liking(userID, $userID, Likes::LIKE_USER);
+		}
 		
 		//Return user informations
 		return $userInfos;

classes/components/likes.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * Likes class
+ * 
+ * @author Pierre HUBERT
+ */
+
+class Likes {
+
+	/**
+	 * Database table name
+	 */
+	const LIKES_TABLE = "aime";
+
+	/**
+	 * Kind of likes
+	 */
+	const LIKE_USER = "user";
+	const LIKE_POST = "post";
+	const LIKE_COMMENT = "comment";
+
+	/**
+	 * Translation of the kinds of like for the database
+	 */
+	const KINDS_DB = array(
+		Likes::LIKE_USER => "page",
+		Likes::LIKE_POST => "texte",
+		Likes::LIKE_COMMENT => "commentaire"
+	);
+
+	/**
+	 * Count the number of likes for a specific component
+	 * 
+	 * @param int $id The ID of the component to count
+	 * @param string $kind The kind of the component
+	 * @return int The number of likes of the components
+	 */
+	public function count(int $id, string $kind) : int {
+		
+		//Perform a database request
+		return CS::get()->db->count(
+			$this::LIKES_TABLE,
+			"WHERE ID_type = ? AND type = ?",
+			array($id, $this::KINDS_DB[$kind])
+		);
+
+	}
+
+	/**
+	 * Check whether user likes or not somethind
+	 * 
+	 * @param int $userID The ID of the user
+	 * @param int $id The ID of the thing to check
+	 * @param string $kind The kind of the thing to check
+	 * @return bool True if the user likes / false else
+	 */
+	public function is_liking(int $userID, int $id, string $kind) : bool {
+
+		//User "0" does not like content
+		if($userID == 0)
+			return false;
+		
+		//Perform check on database
+		return CS::get()->db->count(
+			$this::LIKES_TABLE,
+			"WHERE ID_type = ? AND type = ? AND ID_personne = ?",
+			array($id, $this::KINDS_DB[$kind], $userID)
+		) == 1;
+
+	}
+
+}
+
+//Register class
+Components::register("likes", new Likes());

classes/components/user.php

@@ -260,6 +260,9 @@ class User{
 			//Add background image url
 			$return['backgroundImage'] = CS::get()->components->backgroundImage->getPath($return['userID']);
 
+			//Get the number of likes of the page
+			$return['pageLikes'] = CS::get()->components->likes->count($return['userID'], Likes::LIKE_USER);
+
 		}
 
 		//Return result