UI improvements, added attachments volume to docker-compose.yml

server/db/db.js

@@ -568,7 +568,29 @@ async function insertContact(userUsername, receiverUsername, read) {
     ]);
     const contact = contactResult.rows[0];
 
-    // 6. Return formatted result with contact's user_id
+    // 6. Retrieve the last message, last active time, and last message sender
+    const lastMessageQuery = `
+      SELECT DISTINCT ON (m.conversation_id)
+        m.content AS last_message,
+        m.sent_at AS last_message_time,
+        a.username AS last_message_sender
+      FROM Messages m
+      JOIN Accounts a ON m.user_id = a.user_id
+      WHERE m.conversation_id = $1
+      ORDER BY m.conversation_id, m.sent_at DESC
+    `;
+    const lastMessageResult = await client.query(lastMessageQuery, [
+      conversation_id,
+    ]);
+    let lastMessage, lastMessageTime, lastMessageSender;
+
+    if (lastMessageResult.rows.length > 0) {
+      lastMessage = lastMessageResult.rows[0].last_message;
+      lastMessageTime = lastMessageResult.rows[0].last_message_time;
+      lastMessageSender = lastMessageResult.rows[0].last_message_sender;
+    }
+
+    // 7. Return formatted result with contact's user_id, last message, last active time, and last message sender
     return {
       id: contact.contact_id,
       user_id: contact_id, // Now using the contact's user_id instead of the initiator's
@@ -577,6 +599,9 @@ async function insertContact(userUsername, receiverUsername, read) {
       conversation_id: contact.conversation_id,
       type: "direct",
       read: contact.read,
+      last_message: lastMessage,
+      last_message_time: lastMessageTime,
+      last_message_sender: lastMessageSender,
     };
   } catch (error) {
     console.error("Failed to insert contact:", error);