From 41f6e94c19394844d25d8e172267c0f967481a27 Mon Sep 17 00:00:00 2001
From: Pierre <pierre@hubert.fr>
Date: Fri, 29 Dec 2017 09:49:44 +0100
Subject: [PATCH] Can update user page like status

---
 RestControllers/likesController.php | 59 +++++++++++++++++++++++++++++
 classes/components/likes.php        | 42 ++++++++++++++++++++
 2 files changed, 101 insertions(+)
 create mode 100644 RestControllers/likesController.php

diff --git a/RestControllers/likesController.php b/RestControllers/likesController.php
new file mode 100644
index 0000000..80ef304
--- /dev/null
+++ b/RestControllers/likesController.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ * API likes controller
+ * 
+ * @author Pierre HUBERT
+ */
+
+class likesController {
+
+	/**
+	 * Update a specific component like
+	 * 
+	 * @url POST /likes/update
+	 */
+	public function update_like(){
+
+		user_login_required(); //Need login
+
+		//Get component kind
+		if(!isset($_POST["type"]))
+			Rest_fatal_error(401, "Please specify like type !");
+		
+		$type = $_POST["type"];
+
+		//Check new status for the like
+		if(!isset($_POST['like']))
+			Rest_fatal_error(400, "Please specify the new like status with the request !");
+		$like = $_POST['like'] == "true";
+
+		//Find the right component type for checks
+		switch($type){
+
+			//In case of user
+			case "user":
+
+				//Extract informations
+				$id = getPostUserId("id");
+				$componentType = Likes::LIKE_USER;
+
+				//Check if user can access page
+				if(!CS::get()->components->user->userAllowed(userID, $id))
+					Rest_fatal_error(401, "You can not access this user information !");
+
+				break;
+
+
+			//Default case : error
+			default:
+				Rest_fatal_error(404, "Didn't find specified component type !");
+		}
+
+		//Update like status
+		CS::get()->components->likes->update(userID, $like, $id, $componentType);
+
+		//Success
+		return array("success" => "Like status updated.");
+	}
+
+}
\ No newline at end of file
diff --git a/classes/components/likes.php b/classes/components/likes.php
index 4ce4d32..052bde9 100644
--- a/classes/components/likes.php
+++ b/classes/components/likes.php
@@ -69,6 +69,48 @@ class Likes {
 
 	}
 
+	/**
+	 * Update like status
+	 * 
+	 * @param int $userID The ID of the user
+	 * @param bool $like New like status
+	 * @param int $id The ID of the component element to update
+	 * @param string $kind The kind of component
+	 */
+	public function update(int $userID, bool $like, int $id, string $kind){
+
+		//Check if the request is not to like anymore
+		if(!$like){
+			
+			//Delete on the database
+			$conditions = "ID_personne = ? AND ID_type = ? AND type = ?";
+			$values = array($userID, $id, $this::KINDS_DB[$kind]);
+			CS::get()->db->deleteEntry($this::LIKES_TABLE, $conditions, $values);
+
+		}
+
+		//We have to like component
+		else {
+
+			//Check if user is already liking component
+			if($this->is_liking($userID, $id, $kind))
+				return; //Nothing to be done
+			
+			//Insert in the database
+			$values = array(
+				"ID_type" => $id,
+				"ID_personne" => $userID,
+				"Date_envoi" => mysql_date(),
+				"type" => $this::KINDS_DB[$kind]
+			);
+
+			//Insert in the database
+			CS::get()->db->addLine($this::LIKES_TABLE, $values);
+
+		}
+
+	}
+
 }
 
 //Register class