v30

api/chat.php

@@ -3,6 +3,9 @@ header('Content-Type: application/json');
 require_once __DIR__ . '/../db/config.php';
 require_once __DIR__ . '/../ai/LocalAIApi.php';
 
+session_start();
+$user_id = $_SESSION['user_id'] ?? null;
+
 $input = json_decode(file_get_contents('php://input'), true);
 $message = $input['message'] ?? '';
 
@@ -42,12 +45,12 @@ try {
     if (!empty($response['success'])) {
         $aiReply = LocalAIApi::extractText($response);
         
-        // 4. Save to Database
+        // 4. Save to Database (ai_chats table)
         try {
-            $stmt = db()->prepare("INSERT INTO messages (user_message, ai_response) VALUES (?, ?)");
-            $stmt->execute([$message, $aiReply]);
+            $stmt = db()->prepare("INSERT INTO ai_chats (user_id, user_message, ai_response) VALUES (?, ?, ?)");
+            $stmt->execute([$user_id, $message, $aiReply]);
         } catch (Exception $e) {
-            error_log("DB Save Error: " . $e->getMessage());
+            error_log("AI DB Save Error: " . $e->getMessage());
             // Continue even if save fails, so the user still gets a reply
         }
 
@@ -61,4 +64,4 @@ try {
 } catch (Exception $e) {
     error_log("Chat Error: " . $e->getMessage());
     echo json_encode(['reply' => "An internal error occurred."]);
-}
+}

db/migrations/14_ai_chats_table.sql

@@ -0,0 +1,9 @@
+-- Migration: Create ai_chats table for AI assistant
+CREATE TABLE IF NOT EXISTS ai_chats (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NULL,
+    user_message TEXT NOT NULL,
+    ai_response TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE SET NULL
+);

db/migrations/15_faqs_table.sql

@@ -0,0 +1,14 @@
+-- Migration: Create faqs table for AI assistant knowledge base
+CREATE TABLE IF NOT EXISTS faqs (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    keywords TEXT NOT NULL,
+    answer TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Seed some initial FAQs
+INSERT INTO faqs (keywords, answer) VALUES 
+('What is Gatsby?', 'Gatsby is an exclusive student-led startup network for university students and graduates to connect, hire talent, and raise capital.'),
+('How can I raise money?', 'Startups can launch a funding round from their dashboard. Investors can browse startups and invest in verified ventures.'),
+('Who can join Gatsby?', 'Any student or graduate with a valid university email address can join and become a founder or investor.'),
+('What is the minimum investment?', 'The minimum investment is set by the founder of each startup round, but is typically around £100 for micro-investments.');

messages.php

@@ -12,6 +12,15 @@ if (!$user) { header('Location: login.php'); exit; }
 
 $platformName = defined('PLATFORM_NAME') ? PLATFORM_NAME : 'Gatsby';
 
+// Action: Accept message request
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'accept' && isset($_POST['sender_id'])) {
+    $sender_id = (int)$_POST['sender_id'];
+    $stmt = db()->prepare("UPDATE messages SET status = 'accepted' WHERE sender_id = ? AND receiver_id = ? AND status = 'pending'");
+    $stmt->execute([$sender_id, $user_id]);
+    header("Location: messages.php?chat_with=" . $sender_id);
+    exit;
+}
+
 // Fetch Blocked Users
 $stmt = db()->prepare("SELECT blocked_id FROM blocked_users WHERE blocker_id = ?");
 $stmt->execute([$user_id]);
@@ -45,17 +54,17 @@ if ($user['role'] === 'founder') {
     $matches = $stmt->fetchAll();
 }
 
-// Fetch Conversations (accepted or pending from others, excluding blocked)
+// Fetch Conversations (accepted or pending, excluding blocked)
 $sql = "
     SELECT DISTINCT u.id as other_user_id, u.full_name as other_user_name, u.role as other_role
     FROM messages m
     JOIN users u ON (m.sender_id = u.id OR m.receiver_id = u.id)
     WHERE ((m.sender_id = ? OR m.receiver_id = ?) AND u.id != ?)
-    AND (m.status = 'accepted' OR (m.status = 'pending' AND m.receiver_id = ?))
+    AND m.status != 'rejected'
     AND u.id NOT IN ($placeholders)
 ";
 $stmt = db()->prepare($sql);
-$params = array_merge([$user_id, $user_id, $user_id, $user_id], $all_blocked ?: []);
+$params = array_merge([$user_id, $user_id, $user_id], $all_blocked ?: []);
 $stmt->execute($params);
 $conversations = $stmt->fetchAll();
 
@@ -75,15 +84,21 @@ if ($active_chat_id) {
         $stmt = db()->prepare("SELECT * FROM messages WHERE ((sender_id = ? AND receiver_id = ?) OR (sender_id = ? AND receiver_id = ?)) AND status != 'rejected' ORDER BY created_at ASC");
         $stmt->execute([$user_id, $active_chat_id, $active_chat_id, $user_id]);
         $chat_messages = $stmt->fetchAll();
+        
         $stmt = db()->prepare("SELECT 1 FROM messages WHERE ((sender_id = ? AND receiver_id = ?) OR (sender_id = ? AND receiver_id = ?)) AND status = 'accepted'");
         $stmt->execute([$user_id, $active_chat_id, $active_chat_id, $user_id]);
         $has_accepted = (bool)$stmt->fetchColumn();
+        
         $stmt = db()->prepare("SELECT 1 FROM matches WHERE ((user1_id = ? AND user2_id = ?) OR (user1_id = ? AND user2_id = ?)) AND status = 'active'");
         $stmt->execute([$user_id, $active_chat_id, $active_chat_id, $user_id]);
         $is_currently_matched = (bool)$stmt->fetchColumn();
+        
         $stmt = db()->prepare("SELECT 1 FROM messages WHERE sender_id = ? AND receiver_id = ? AND status = 'pending'");
         $stmt->execute([$active_chat_id, $user_id]);
-        if (!$has_accepted && !$is_currently_matched && (bool)$stmt->fetchColumn()) { $can_reply = false; $needs_acceptance = true; }
+        if (!$has_accepted && !$is_currently_matched && (bool)$stmt->fetchColumn()) { 
+            $can_reply = false; 
+            $needs_acceptance = true; 
+        }
     }
 }
 
@@ -219,6 +234,9 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['content']) && $active
                                 <?= nl2br(htmlspecialchars($msg['content'])) ?>
                                 <div style="font-size: 10px; margin-top: 8px; opacity: 0.6; text-align: right;">
                                     <?= date('H:i', strtotime($msg['created_at'])) ?>
+                                    <?php if ($msg['status'] === 'pending' && $is_me): ?>
+                                        <i class="fas fa-clock" title="Pending acceptance" style="margin-left: 5px;"></i>
+                                    <?php endif; ?>
                                 </div>
                             </div>
                         </div>
@@ -229,7 +247,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['content']) && $active
             <?php if ($needs_acceptance): ?>
                 <div style="padding: 20px 30px; background: rgba(0, 242, 255, 0.05); border-top: 1px solid var(--border-color); text-align: center;">
                     <p style="font-size: 14px; margin-bottom: 15px;">Accept this message request to reply.</p>
-                    <form method="POST" action="api/chat.php">
+                    <form method="POST">
                         <input type="hidden" name="action" value="accept">
                         <input type="hidden" name="sender_id" value="<?= $active_chat_id ?>">
                         <button type="submit" class="btn btn-primary">Accept & Reply</button>