Develop

.env

@@ -1,3 +1,3 @@
-DB_DSN = mysql:host=localhost;port=3306;dbname=fixmedb
+DB_DSN = mysql:host=127.0.0.1;port=3306;dbname=fixmedb
 DB_USER = root
 DB_PASSWORD =

controllers/PostController.php

@@ -16,29 +16,33 @@ class PostController extends Controller
     /* Create method of a post */
     public function create(Request $request)
     {
+
         $post = new Post();
 
-        // Fetch logged-in technician's ID from session
+        // Fetch logged-in technician's tech_id from session
         $techID = Application::$app->session->get('technician');
+        // Check if techID exists to confirm that the technician is logged in to create a new post
         if ($techID) {
+            // Assign technician's id to tech_id attribute of the Post model
             $post->tech_id = $techID;
         } else {
             // Set flash message and redirect if not logged in
             Application::$app->session->setFlash('error', 'You must be logged in to create a post.');
             Application::$app->response->redirect('/technician-login');
             return;
         }
-
+        // Checks if the HTTP request is a POST request
         if ($request->isPost()) {
+            // Retrieves the form data and fills the Post model with incoming data for validation and saving
             $post->loadData($request->getBody());
-
-            if ($post->PostValidate() && $post->save()) {
+            // Validates the data and saves the data on the database
+            if ($post->postValidate() && $post->save()) {
                 Application::$app->session->setFlash('success', 'Post uploaded successfully!');
                 Application::$app->response->redirect('/technician-community');
                 return;
             }
         }
-
+        // Renders the view and passes the Post model instance to the view
         return $this->render('/technician/technician-create-post', [
             'model' => $post
         ]);
@@ -47,11 +51,14 @@ public function create(Request $request)
     /* Retrieve method of a post */
     public function index()
     {
-
+        // Fetch all the posts with likes along with the person's data
         $posts = (new Post)->getAllPostsWithLikes(Application::$app->customer->cus_id);
+        // The reference operator(&) modifies the $post array directly during the loop
         foreach ($posts as &$post) {
+            // Get all the comments relavent to the post
             $post['comments'] = (new Comment)->getAllComments($post['post_id']);
         }
+        // Renders the view
         $this->setLayout('auth');
         return $this->render('/technician/technician-community', [
             'posts' => $posts
@@ -63,8 +70,9 @@ public function edit(Request $request)
     {
         // Fetch the post ID from the request and find the post
         $postID = $request->getBody()['post_id'] ?? null;
+        // Finds the post with the corresponding post_id in order to edit it
         $post = (new Post)->findOne(['post_id' => $postID]);
-
+        // If find one method returns null, a flash message saying 'Post not found" will appear
         if (!$post) {
             Application::$app->session->setFlash('error', 'Post not found.');
             Application::$app->response->redirect('/technician-community');
@@ -73,28 +81,32 @@ public function edit(Request $request)
 
         // Fetch the logged-in technician's ID from the session
         $techID = Application::$app->session->get('technician');
+        // If the logged in technician id and the person who added the post are different
         if ($post->tech_id !== $techID) {
             Application::$app->session->setFlash('error', 'Unauthorized access.');
             Application::$app->response->redirect('/technician-community');
             return;
         }
-
+        // Check is current request is a POST request
         if ($request->isPost()) {
+            // Populates the Post model with updated data from the request.
             $post->loadData($request->getBody());
 
             // Check if a new media file is uploaded
             if (!empty($_FILES['media']['name'])) {
+                // Stores the uploaded file's name in the media property of the Post model.
                 $post->media = $_FILES['media']['name'];
                 move_uploaded_file($_FILES['media']['tmp_name'], 'assets/uploads/' . $post->media);
             }
-
-            if ($post->PostValidate() && $post->editPost()) {
+            // Validates the requirements before editing the post
+            if ($post->postValidate() && $post->editPost()) {
+                // Sets a success flash message and redirects the user to the technician community page
                 Application::$app->session->setFlash('success', 'Post updated successfully!');
                 Application::$app->response->redirect('/technician-community');
                 return;
             }
         }
-
+        // Passes the current post data to the view for display in the form
         return $this->render('/technician/technician-edit-post', [
             'post' => $post
         ]);
@@ -105,60 +117,73 @@ public function delete(Request $request)
     {
         // Fetch the post ID from the request
         $postID = $request->getBody()['post_id'] ?? null;
+        // Retrieves the logged-in technician’s ID from the session
         $techID = Application::$app->session->get('technician');
 
         if (!$postID || !$techID) {
             Application::$app->session->setFlash('error', 'Invalid request.');
             Application::$app->response->redirect('/technician-community');
             return;
         }
-
+        // Retrieves a post with the given post_id
         $post = (new Post)->findOne(['post_id' => $postID]);
 
         if (!$post) {
             Application::$app->session->setFlash('error', 'Post not found.');
             Application::$app->response->redirect('/technician-community');
             return;
         }
-
+        // No access if logged tech_id is not equal to the tech_id of the post
         if ($post->tech_id !== $techID) {
             Application::$app->session->setFlash('error', 'Unauthorized access.');
             Application::$app->response->redirect('/technician-community');
             return;
         }
-
+        // Deletes the post from the database and returns true if successful, false otherwise
         if ((new Post)->deletePost($postID, $techID)) {
             Application::$app->session->setFlash('success', 'Post deleted successfully!');
         } else {
             Application::$app->session->setFlash('error', 'Failed to delete the post.');
         }
-
+        // Redirects the user to the technician community page
         Application::$app->response->redirect('/technician-community');
     }
 
+    //$request: An object representing the current HTTP request, containing request data.
+    //$response: An object for preparing the HTTP response, including returning JSON data.
     public function like(Request $request, Response $response)
     {
+        // To construct and send the response, such as returning JSON data
         $response = new Response();
+        // Identifies which post is being liked
         $postId = $request->getBody()['post_id'];
+        // Identifies the customer performing the "like" action
         $customerId = Application::$app->customer->cus_id;
 
+        // Create an instance of the Like model to allow interaction with the database for handling likes
         $likeModel = new Like();
+        // Calls the toggleLike method of the Like model, passing the $postId and $customerId as arguments
         $success = $likeModel->toggleLike($postId, $customerId);
+        // Get the updated like count
         $likeCount = Like::getLikeCountByPostId($postId);
-
+        // Prepares and sends a JSON response to the client
         return $response->json(['success' => $success, 'like_count' => $likeCount]);
     }
 
 
     public function unlike(Request $request, Response $response)
     {
+        // This post_id identifies the post that the customer wants to "unlike"
         $postId = $request->getBody()['post_id'];
+        // Fetches the logged-in customer’s ID
         $customerId = Application::$app->customer->cus_id;
-
+        // This instance of the model is used to handle the logic for unliking a post
         $likeModel = new Like();
+        // Calls the unlikePost method of the Like model, passing the postId (the ID of the post being unliked) and customerId
         $success = $likeModel->unlikePost($postId, $customerId);
+        // Update like count after the unlike action
         $likeCount = Like::getLikeCountByPostId($postId);
-
+        // Informs the client about whether the "unlike" action was successful and provides the updated like count for the post.
         return $response->json(['success' => $success, 'like_count' => $likeCount]);
     }
 

core/Application.php

@@ -55,11 +55,11 @@ public function __construct($rootPath, array $config)
             $this->customer = null;
         }
 
-        $primaryValueSeviceCentre = $this->session->get('service_center');
-        if ($primaryValueSeviceCentre) {
+        $primaryValueServiceCentre = $this->session->get('service_center');
+        if ($primaryValueServiceCentre) {
             $serviceCenterInstance = new $this->serviceCenterClass;
             $primaryKey = $serviceCenterInstance->primaryKey();
-            $this->serviceCenter = $serviceCenterInstance->findOne([$primaryKey => $primaryValueSeviceCentre]);
+            $this->serviceCenter = $serviceCenterInstance->findOne([$primaryKey => $primaryValueServiceCentre]);
         } else {
             $this->serviceCenter = null;
         }
@@ -130,4 +130,5 @@ public function logoutServiceCenter()
         $this->serviceCenter = null;
         $this->session->remove('service_center');
     }
+
 }

core/Model.php

@@ -67,7 +67,7 @@ public function validate()
         return empty($this->errors);
     }
 
-    public function PostValidate()
+    public function postValidate()
     {
         foreach ($this->postRules() as $attribute => $rules) {
             $value = $this->{$attribute};

core/Request.php

@@ -32,17 +32,27 @@ public function isPost()
 
     public function getBody()
     {
+        // Empty associative array
         $body = [];
+        // Checks if the request method is GET
         if ($this->method() === 'get') {
+            // $_GET: A PHP superglobal that holds query parameters from the URL (e.g., ?key=value).
+            // Iterates through each key-value pair in the $_GET array
             foreach ($_GET as $key => $value) {
+                // Sanitizes the value associated with $key from $_GET
                 $body[$key] = filter_input(INPUT_GET, $key, FILTER_SANITIZE_SPECIAL_CHARS);
             }
         }
+        // Checks if the request method is POST
         if ($this->method() === 'post') {
+            // $_POST: A PHP superglobal that holds form data submitted via HTTP POST.
+            // Iterates through each key-value pair in the $_POST array
             foreach ($_POST as $key => $value) {
+                // Sanitizes the values and adds to the $body array
                 $body[$key] = filter_input(INPUT_POST, $key, FILTER_SANITIZE_SPECIAL_CHARS);
             }
         }
+        // Returns the sanitized data
         return $body;
     }
 }

views/layouts/main.php

@@ -42,7 +42,7 @@
             <li><a href="#" class="nav-link px-2">About</a></li>
         </ul>
 
-        <?php if (Application::isGuestTechnician()): ?>
+        <?php if (Application::isGuestTechnician() || Application::isGuestCustomer() || Application::isGuestServiceCenter()): ?>
             <div class="col-md-3 text-center">
                 <button type="button" class="btn btn-outline-primary me-2"><a class="text-decoration-none"
                                                                               href="/select-user-login">Login</a>

views/service-centre/components/header.php

@@ -1,4 +1,5 @@
 <?php
+use app\core\Application;
 ?>
 
 
@@ -16,7 +17,14 @@
             </label>
         </div>
 
+        <h6 class="user-name">
+            <?php
+            $username = strtoupper(Application::$app->service_center->{'name'});
+            echo $username;
+            ?>
+        </h6>
+
         <div class="user">
-            <img src="/assets/technician-dashboard/customer02.jpg" alt="">
+            <img src="/assets/select-user-service-centre.png" alt="">
         </div>
     </div>