last message in pm groups

2 files changed, 15 insertions, 13 deletions

diff --git a/juick-server/src/main/java/com/juick/server/api/PM.java b/juick-server/src/main/java/com/juick/server/api/PM.java
index 80be92f0..0c36fe00 100644
--- a/juick-server/src/main/java/com/juick/server/api/PM.java
+++ b/juick-server/src/main/java/com/juick/server/api/PM.java
@@ -17,6 +17,7 @@
 
 package com.juick.server.api;
 
+import com.juick.Chat;
 import com.juick.User;
 import com.juick.service.component.MessageEvent;
 import com.juick.model.AnonymousUser;
@@ -105,14 +106,9 @@ public class PM {
         if (visitor.isAnonymous()) {
             throw new HttpForbiddenException();
         }
-        if (cnt < 3) {
-            cnt = 3;
-        }
-        if (cnt > 10) {
-            cnt = 10;
-        }
+        // TODO: ignore cnt param for now but make sure paging param will not be cnt
 
-        List<User> lastconv = pmQueriesService.getPMLastConversationsUsers(visitor.getUid(), cnt);
+        List<Chat> lastconv = pmQueriesService.getLastChats(visitor);
         PrivateChats pms = new PrivateChats();
         pms.setUsers(lastconv);
         return pms;
diff --git a/juick-server/src/main/java/com/juick/service/PMQueriesServiceImpl.java b/juick-server/src/main/java/com/juick/service/PMQueriesServiceImpl.java
index b68e0236..ee49755d 100644
--- a/juick-server/src/main/java/com/juick/service/PMQueriesServiceImpl.java
+++ b/juick-server/src/main/java/com/juick/service/PMQueriesServiceImpl.java
@@ -17,6 +17,7 @@
 
 package com.juick.service;
 
+import com.juick.Chat;
 import com.juick.User;
 import org.springframework.dao.DuplicateKeyException;
 import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
@@ -89,20 +90,25 @@ public class PMQueriesServiceImpl extends BaseJdbcService implements PMQueriesSe
 
     @Transactional(readOnly = true)
     @Override
-    public List<User> getPMLastConversationsUsers(final int uid, final int cnt) {
+    public List<Chat> getLastChats(final User user) {
         return getJdbcTemplate().query(
-                "SELECT pm_streams.user_id, users.nick, pm_streams.unread FROM pm_streams "
+                "SELECT pm_streams.user_id, users.nick, l.last, pm.txt, pm_streams.unread FROM pm_streams "
                         + "INNER JOIN users ON users.id = pm_streams.user_id "
+                        + "INNER JOIN pm ON pm.user_id = pm_streams.user_id "
+                        + "INNER JOIN (SELECT user_id, MAX(ts) AS last FROM pm "
+                        + "WHERE user_id_to=? GROUP BY user_id) l ON l.last = pm.ts "
                         + "WHERE pm_streams.user_id_to=? "
-                        + "ORDER BY pm_streams.unread DESC, pm_streams.lastmessage DESC LIMIT ?",
+                        + "ORDER BY pm_streams.unread DESC, l.last DESC",
                 (rs, rowNum) -> {
-                    com.juick.User u = new com.juick.User();
+                    com.juick.Chat u = new com.juick.Chat();
                     u.setUid(rs.getInt(1));
                     u.setName(rs.getString(2));
-                    u.setUnreadCount(rs.getInt(3));
+                    u.setLastMessageTimestamp(rs.getTimestamp(3).toInstant());
+                    u.setLastMessageText(rs.getString(4));
+                    u.setUnreadCount(rs.getInt(5));
                     return u;
                 },
-                uid, cnt);
+                user.getUid(), user.getUid());
     }
 
     @Transactional