From 1621fb481fe91b084a48326419969f3a22ccbbe2 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sat, 29 Sep 2018 16:39:37 +0300
Subject: Mentions

---
 .../com/juick/service/SubscriptionServiceImpl.java | 26 +++++++++++++++-------
 1 file changed, 18 insertions(+), 8 deletions(-)

(limited to 'juick-server/src/main/java/com/juick/service/SubscriptionServiceImpl.java')

diff --git a/juick-server/src/main/java/com/juick/service/SubscriptionServiceImpl.java b/juick-server/src/main/java/com/juick/service/SubscriptionServiceImpl.java
index 492fef1c..2032576c 100644
--- a/juick-server/src/main/java/com/juick/service/SubscriptionServiceImpl.java
+++ b/juick-server/src/main/java/com/juick/service/SubscriptionServiceImpl.java
@@ -21,6 +21,10 @@ import com.juick.Message;
 import com.juick.Tag;
 import com.juick.User;
 import com.juick.model.NotifyOpts;
+import com.juick.util.MessageUtils;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.IteratorUtils;
+import org.apache.commons.collections4.ListUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.dao.DuplicateKeyException;
 import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
@@ -61,16 +65,20 @@ public class SubscriptionServiceImpl extends BaseJdbcService implements Subscrip
 
     @Transactional(readOnly = true)
     @Override
-    public List<User> getSubscribedUsers(final int uid, final int mid) {
+    public List<User> getSubscribedUsers(final int uid, final Message msg) {
+        int mid = msg.getMid();
         User author = messagesService.getMessageAuthor(mid);
 
-        List<User> userids = userService.getUserReaders(uid);
+        List<User> subscribers = userService.getUserReaders(uid);
+        List<User> mentionedUsers = userService.getUsersByName(MessageUtils.getMentions(msg).stream()
+                .map(u -> u.substring(1)).collect(Collectors.toList()));
+        List<User> users = ListUtils.union(subscribers, mentionedUsers);
         List<Integer> tags = tagService.getMessageTagsIDs(mid);
         List<String> tagsStr = tagService.getMessageTags(mid).stream().map(t -> t.getTag().getName()).collect(Collectors.toList());
 
         Set<Integer> set = new HashSet<>();
         set.addAll(
-                userids.stream()
+                users.stream()
                         .map(User::getUid).filter(u -> Collections.disjoint(tagService.getUserBLTags(u), tagsStr))
                         .collect(Collectors.toList()));
 
@@ -99,13 +107,15 @@ public class SubscriptionServiceImpl extends BaseJdbcService implements Subscrip
     @Override
     public List<User> getUsersSubscribedToComments(@Nonnull final Message msg, @Nonnull final Message reply,
                                                    boolean blacklisted) {
-        List<Integer> userids = getJdbcTemplate().queryForList(
+        List<User> subscribers = userService.getUsersByID(getJdbcTemplate().queryForList(
                 "SELECT suser_id FROM subscr_messages WHERE message_id=? AND suser_id!=?",
                 Integer.class,
-                msg.getMid(), reply.getUser().getUid());
-
-        if (!userids.isEmpty()) {
-            return userService.getUsersByID(userids).stream()
+                msg.getMid(), reply.getUser().getUid()));
+        List<User> mentionedUsers = userService.getUsersByName(MessageUtils.getMentions(reply).stream()
+                .map(u -> u.substring(1)).collect(Collectors.toList()));
+        List<User> users = IteratorUtils.toList(CollectionUtils.union(subscribers, mentionedUsers).iterator());
+        if (!users.isEmpty()) {
+            return users.stream()
                     .filter(u -> blacklisted ||  !userService.isReplyToBL(u, reply))
                     .collect(Collectors.toList());
         }
-- 
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