fixed contacts list sorting

server/db/db.js

@@ -176,6 +176,7 @@ async function insertMessage(
       attachmentUrls,
     ]);
     console.log("insertmessageresult: ", result.rows);
+    updateConversationLastActive(conversation_id);
     return result.rows[0];
   } catch (e) {
     console.error("Failed to insert message ", e);
@@ -433,10 +434,11 @@ async function insertContact(userUsername, receiverUsername, read) {
         WHEN ci.user_id = (SELECT sender_id FROM user_ids) THEN (SELECT username FROM Accounts WHERE user_id = (SELECT receiver_id FROM user_ids))
         ELSE (SELECT username FROM Accounts WHERE user_id = (SELECT sender_id FROM user_ids))
       END AS username,
+      c.last_active,
       ci.read,
-      ci.last_active,
       'direct' AS type
-    FROM contact_insert ci;
+    FROM contact_insert ci
+    JOIN Conversations c ON ci.conversation_id = c.conversation_id;
   `;
 
   try {
@@ -458,7 +460,7 @@ async function getContacts(user_id) {
       c.contact_id AS id,
       a2.user_id AS user_id,
       a2.username AS username,
-      c.last_active,
+      conv.last_active,
       c.conversation_id,
       conv.conversation_type AS type,
       c.read
@@ -469,7 +471,7 @@ async function getContacts(user_id) {
     WHERE c.user_id = $1 
       AND conv.conversation_type = 'direct'
       AND a2.user_id != $1
-    ORDER BY c.last_active DESC;
+    ORDER BY conv.last_active DESC;
   `;
 
   const groupsQuery = `
@@ -591,6 +593,21 @@ async function updateContactLastActive(user_id, contact_id) {
   }
 }
 
+async function updateConversationLastActive(conversation_id) {
+  //TODO CHECK IF USER IS MEMBER OF THAT CONVERSATION
+  const query = `
+    UPDATE Conversations 
+    SET last_active = NOW()
+    WHERE conversation_id = $1
+  `;
+  try {
+    await client.query(query, [conversation_id]);
+    console.log("Successfully update conversation last active time");
+  } catch (e) {
+    console.error("Failed to update conversation last active time ", e);
+  }
+}
+
 async function getConversationsForUser(user_id) {
   const query = `
     SELECT conversation_id