From db1d5e038b416a6c47e972ba1be85937f7fbd1df Mon Sep 17 00:00:00 2001
From: Flatlogic Bot <support@flatlogic.com>
Date: Tue, 14 Oct 2025 14:25:48 +0000
Subject: [PATCH] 2.0

---
 dashboard.php | 108 ++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 91 insertions(+), 17 deletions(-)

diff --git a/dashboard.php b/dashboard.php
index 19cdd08..c080b71 100644
--- a/dashboard.php
+++ b/dashboard.php
@@ -8,6 +8,42 @@ if (!isset($_SESSION['user_id'])) {
 }
 
 $userId = $_SESSION['user_id'];
+$message = '';
+$message_type = '';
+
+// Handle Enrollment
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['enroll_skill_id'])) {
+    $skillId = $_POST['enroll_skill_id'];
+
+    // Check if already enrolled
+    $stmt = db()->prepare("SELECT id FROM enrollments WHERE user_id = ? AND skill_id = ?");
+    $stmt->execute([$userId, $skillId]);
+    if ($stmt->fetch()) {
+        $_SESSION['message'] = "You are already enrolled in this skill.";
+        $_SESSION['message_type'] = 'warning';
+    } else {
+        // Enroll user
+        $stmt = db()->prepare("INSERT INTO enrollments (user_id, skill_id, progress, date_enrolled) VALUES (?, ?, 0, NOW())");
+        if ($stmt->execute([$userId, $skillId])) {
+            $_SESSION['message'] = "Enrollment successful! You can now continue learning from your dashboard.";
+            $_SESSION['message_type'] = 'success';
+        } else {
+            $_SESSION['message'] = "An error occurred. Please try again.";
+            $_SESSION['message_type'] = 'danger';
+        }
+    }
+    header("Location: dashboard.php");
+    exit;
+}
+
+if (isset($_SESSION['message'])) {
+    $message = $_SESSION['message'];
+    $message_type = $_SESSION['message_type'];
+    unset($_SESSION['message']);
+    unset($_SESSION['message_type']);
+}
+
+
 $stmt = db()->prepare("SELECT * FROM users WHERE id = ?");
 $stmt->execute([$userId]);
 $user = $stmt->fetch(PDO::FETCH_ASSOC);
@@ -18,11 +54,29 @@ if (!$user) {
     exit;
 }
 
-// Fetch all skills
+// Fetch all skills, excluding those the user is already enrolled in for the explorer
+$enrolled_skill_ids = [];
+$stmt_enrolled_ids = db()->prepare("SELECT skill_id FROM enrollments WHERE user_id = ?");
+$stmt_enrolled_ids->execute([$userId]);
+$enrolled_skill_ids = $stmt_enrolled_ids->fetchAll(PDO::FETCH_COLUMN);
+
 $skills_by_category = [];
-$stmt = db()->query("SELECT * FROM skills ORDER BY category, title");
+$sql = "SELECT * FROM skills";
+if (!empty($enrolled_skill_ids)) {
+    $placeholders = implode(',', array_fill(0, count($enrolled_skill_ids), '?'));
+    $sql .= " WHERE id NOT IN ($placeholders)";
+}
+$sql .= " ORDER BY category, title";
+
+$stmt = db()->prepare($sql);
+if (!empty($enrolled_skill_ids)) {
+    $stmt->execute($enrolled_skill_ids);
+} else {
+    $stmt->execute();
+}
 $all_skills = $stmt->fetchAll(PDO::FETCH_ASSOC);
 
+
 foreach ($all_skills as $skill) {
     $skills_by_category[$skill['category']][] = $skill;
 }
@@ -83,6 +137,13 @@ $enrolled_skills = $stmt->fetchAll(PDO::FETCH_ASSOC);
             <h1 class="h2">Welcome, <?php echo htmlspecialchars($user['username']); ?>!</h1>
         </div>
 
+        <?php if ($message): ?>
+        <div class="alert alert-<?php echo $message_type; ?> alert-dismissible fade show" role="alert">
+            <?php echo htmlspecialchars($message); ?>
+            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+        <?php endif; ?>
+
         <!-- Quick Access Buttons -->
         <div class="row mb-4">
             <div class="col-md-4">
@@ -132,23 +193,36 @@ $enrolled_skills = $stmt->fetchAll(PDO::FETCH_ASSOC);
         <!-- Skill Explorer Section -->
         <section id="skill-explorer">
             <h2 class="h4">Skill Explorer</h2>
-            <?php foreach ($skills_by_category as $category => $skills): ?>
-                <h3 class="h5 mt-4"><?php echo htmlspecialchars($category); ?></h3>
-                <div class="row">
-                    <?php foreach ($skills as $skill): ?>
-                        <div class="col-md-6 col-lg-3 mb-3">
-                            <div class="card h-100">
-                                <img src="<?php echo htmlspecialchars($skill['thumbnail']); ?>" class="card-img-top" alt="<?php echo htmlspecialchars($skill['title']); ?>">
-                                <div class="card-body d-flex flex-column">
-                                    <h5 class="card-title"><?php echo htmlspecialchars($skill['title']); ?></h5>
-                                    <p class="card-text flex-grow-1"><?php echo htmlspecialchars($skill['description']); ?></p>
-                                    <a href="#" class="btn btn-outline-primary mt-auto">Enroll</a>
+            <?php if (empty($all_skills)): ?>
+                <div class="col">
+                    <div class="card">
+                        <div class="card-body text-center">
+                            <p class="card-text">You've enrolled in all available skills. Great job!</p>
+                        </div>
+                    </div>
+                </div>
+            <?php else: ?>
+                <?php foreach ($skills_by_category as $category => $skills): ?>
+                    <h3 class="h5 mt-4"><?php echo htmlspecialchars($category); ?></h3>
+                    <div class="row">
+                        <?php foreach ($skills as $skill): ?>
+                            <div class="col-md-6 col-lg-3 mb-3">
+                                <div class="card h-100">
+                                    <img src="<?php echo htmlspecialchars($skill['thumbnail']); ?>" class="card-img-top" alt="<?php echo htmlspecialchars($skill['title']); ?>">
+                                    <div class="card-body d-flex flex-column">
+                                        <h5 class="card-title"><?php echo htmlspecialchars($skill['title']); ?></h5>
+                                        <p class="card-text flex-grow-1"><?php echo htmlspecialchars($skill['description']); ?></p>
+                                        <form method="POST" action="dashboard.php" class="mt-auto">
+                                            <input type="hidden" name="enroll_skill_id" value="<?php echo $skill['id']; ?>">
+                                            <button type="submit" class="btn btn-outline-primary">Enroll</button>
+                                        </form>
+                                    </div>
                                 </div>
                             </div>
-                        </div>
-                    <?php endforeach; ?>
-                </div>
-            <?php endforeach; ?>
+                        <?php endforeach; ?>
+                    </div>
+                <?php endforeach; ?>
+            <?php endif; ?>
         </section>
 
     </div>