create tags from admin dashboard

kuldp18 · Mar 23, 2024 · 6a7f1ce · 6a7f1ce
1 parent f9c86a7
commit 6a7f1ce
Show file tree

Hide file tree

Showing 7 changed files with 214 additions and 1 deletion.
diff --git a/controllers/video_tags.inc.php b/controllers/video_tags.inc.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+
+// check if new video tag is empty
+function is_new_tag_empty(string $new_tag): bool
+{
+    if (empty($new_tag)) {
+        return true;
+    }
+    return false;
+}
+
+
+// check if video tag already exists
+function is_video_tag_exists(object $pdo, string $new_tag): bool
+{
+    $query = "SELECT * FROM video_tags WHERE tag_name = :new_tag";
+    $stmt = $pdo->prepare($query);
+    $stmt->bindParam(":new_tag", $new_tag, PDO::PARAM_STR);
+    $stmt->execute();
+    $result = $stmt->fetch(PDO::FETCH_ASSOC);
+
+    if ($result) {
+        return true;
+    }
+    return false;
+}
diff --git a/css/admin_manage_tags.css b/css/admin_manage_tags.css
@@ -0,0 +1,40 @@
+.tags {
+    /* border: 1px solid red; */
+    min-height: calc(100vh - 70px);
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    grid-template-rows: 1fr 1fr;
+    gap: 1rem;
+    padding: 1rem;
+}
+
+.tags__section {
+    border: 1px solid rgb(211, 211, 16);
+    border-radius: 10px;
+}
+
+.tags__section__heading {
+    font-size: 2rem;
+}
+
+.tags__section,
+.tags__section form {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    gap: 1rem;
+}
+
+.tags__btn {
+    padding: 0.2rem 1.25rem;
+    cursor: pointer;
+    background-color: black;
+    color: whitesmoke;
+}
+
+.tags__btn:hover {
+    background-color: rgba(0, 0, 0, 0.929);
+    color: rgba(245, 245, 245, 0.922);
+    outline: 1px solid rgba(0, 255, 255, 0.865);
+}
diff --git a/includes/create_tag.inc.php b/includes/create_tag.inc.php
@@ -0,0 +1,50 @@
+<?php
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $new_tag = $_POST['new_tag'];
+
+
+    try {
+        require_once "./db_handler.inc.php";
+        require_once "../models/video_tags.inc.php";
+        require_once "../controllers/video_tags.inc.php";
+        require_once "./config_session.inc.php";
+
+        // Error handlers
+        $errors = [];
+
+        // check if new tag is empty
+        if (is_new_tag_empty($new_tag)) {
+            $errors[] = "New tag cannot be empty";
+        }
+
+        // check if tag already exists
+        else if (is_video_tag_exists($pdo, $new_tag)) {
+            $errors[] = "Tag already exists";
+        }
+
+
+        if ($errors) {
+            $_SESSION["errors_admin_manage_tags"] = $errors;
+            header('Location: ../pages/admin_manage_tags.php');
+            die();
+        }
+
+        // Create new video tag
+
+        create_new_video_tag($pdo, $new_tag);
+
+
+
+        header('Location: ../pages/admin_manage_tags.php?success=tag_created');
+        // close connection
+        $pdo = null;
+        $stmt = null;
+        die();
+    } catch (PDOException $e) {
+        die("Error while creating new video tag: " . $e->getMessage());
+    }
+} else {
+    header("Location: ../pages/admin_manage_tags.php");
+    exit();
+}
diff --git a/models/video_tags.inc.php b/models/video_tags.inc.php
@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+
+// create new video tag
+function create_new_video_tag(object $pdo, string $new_tag): void
+{
+    $query = "INSERT INTO video_tags (tag_name) VALUES (:new_tag)";
+    $stmt = $pdo->prepare($query);
+    $stmt->bindParam(":new_tag", $new_tag, PDO::PARAM_STR);
+    $stmt->execute();
+}
diff --git a/pages/admin_dashboard.php b/pages/admin_dashboard.php
@@ -32,7 +32,7 @@
         </div>
         <h2 class="subheading subheading--bigger">Admin Actions</h2>
         <section class="admin__actions">
-            <a href="#" class="admin__actions__link">Manage Video Tags</a>
+            <a href="./admin_manage_tags.php" class="admin__actions__link">Manage Video Tags</a>
             <a href="#" class="admin__actions__link">Manage Users</a>
         </section>
     </main>

diff --git a/pages/admin_manage_tags.php b/pages/admin_manage_tags.php
@@ -0,0 +1,58 @@
+<?php
+require_once "../includes/config_session.inc.php";
+require_once "../views/video_tags.inc.php";
+?>
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Admin - Manage Video Tags</title>
+    <link rel="stylesheet" href="../css/global.css" />
+    <link rel="stylesheet" href="../css/navbar.css" />
+    <link rel="stylesheet" href="../css/admin_manage_tags.css" />
+</head>
+
+<body>
+    <?php include_once('../includes/components/navbar.inc.php') ?>
+    <?php
+    // check is user is not logged in or is not admin
+    if (!isset($_SESSION['user_id']) || !isset($_SESSION['user_role']) || $_SESSION['user_role'] !== 'admin') {
+        // if not, redirect to home page
+        header('Location: ../index.php');
+        exit();
+    }
+    $user_name = $_SESSION['user_username'];
+    ?>
+
+    <main class="tags">
+        <section class="tags__section">
+            <h3 class="tags__section__heading">Create video tag</h3>
+            <form action="../includes/create_tag.inc.php" method="post">
+                <input type="text" name="new_tag" placeholder="Enter new video tag name">
+                <button type="submit" class="tags__btn">Create</button>
+            </form>
+        </section>
+        <section class="tags__section"></section>
+        <section class="tags__section"></section>
+        <section class="tags__section"></section>
+    </main>
+
+    <?php
+    check_and_print_video_tag_creation_errors();
+
+    if (isset($_GET["success"]) && $_GET["success"] === "tag_created") {
+        echo <<<HTML
+          <section class="modal modal--success">
+            <h1 class="modal__title">New video tag created!</h1>
+            <span class="modal__close modal__close--success">X</span>
+          </section>
+        HTML;
+    }
+    ?>
+
+    <script src="../js/close_modal.js"></script>
+</body>
+
+</html>
diff --git a/views/video_tags.inc.php b/views/video_tags.inc.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+
+// check and print video tag creation errors
+function check_and_print_video_tag_creation_errors()
+{
+
+    if (isset($_SESSION["errors_admin_manage_tags"])) {
+        $errors = $_SESSION["errors_admin_manage_tags"];
+        if (count($errors) > 0) {
+            echo "<section class='modal modal--error'>";
+            echo "<h1 class='modal__title'>Unable to create new tag: </h1>";
+            echo "<span class='modal__close modal__close--error'>X</span>";
+            foreach ($errors as $error) {
+                echo "<p class='modal__item'>$error</p>";
+            }
+            echo "</section>";
+            unset($_SESSION["errors_admin_manage_tags"]);
+        }
+    }
+}