From dc0b056a71475868c94c946e3333421e9fae35fc Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 22 Nov 2023 04:31:05 +0300
Subject: `message_tags` cache

---
 src/main/java/com/juick/model/TagStats.java                  | 4 +++-
 src/main/java/com/juick/service/SubscriptionServiceImpl.java | 6 +++---
 src/main/java/com/juick/service/TagService.java              | 5 +++--
 src/main/java/com/juick/service/TagServiceImpl.java          | 7 -------
 4 files changed, 9 insertions(+), 13 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/com/juick/model/TagStats.java b/src/main/java/com/juick/model/TagStats.java
index ce6c8139..c5649a1d 100644
--- a/src/main/java/com/juick/model/TagStats.java
+++ b/src/main/java/com/juick/model/TagStats.java
@@ -19,10 +19,12 @@ package com.juick.model;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serializable;
+
 /**
  * Created by vitalyster on 01.12.2016.
  */
-public class TagStats {
+public class TagStats implements Serializable {
     private Tag tag;
     private int usageCount;
 
diff --git a/src/main/java/com/juick/service/SubscriptionServiceImpl.java b/src/main/java/com/juick/service/SubscriptionServiceImpl.java
index fae1b824..4aa5b5ac 100644
--- a/src/main/java/com/juick/service/SubscriptionServiceImpl.java
+++ b/src/main/java/com/juick/service/SubscriptionServiceImpl.java
@@ -62,8 +62,8 @@ public class SubscriptionServiceImpl extends BaseJdbcService implements Subscrip
                 .filter(u -> !userService.isInBL(u.getUid(), msg.getUser().getUid()))
                 .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())
+        var tags = tagService.getMessageTags(mid);
+        List<String> tagsStr = tags.stream().map(t -> t.getTag().getName())
                 .toList();
 
         Set<Integer> set = users.stream()
@@ -80,7 +80,7 @@ public class SubscriptionServiceImpl extends BaseJdbcService implements Subscrip
                             +
                             " AND NOT EXISTS (SELECT 1 FROM bl_tags bt WHERE bt.tag_id IN (:ids) and st.suser_id = bt.user_id)",
                     new MapSqlParameterSource()
-                            .addValue("ids", tags)
+                            .addValue("ids", tags.stream().map(t -> t.getTag().getId()).collect(Collectors.toList()))
                             .addValue("uid", uid)
                             .addValue("authorUid", author.getUid()),
                     Integer.class);
diff --git a/src/main/java/com/juick/service/TagService.java b/src/main/java/com/juick/service/TagService.java
index 84bde121..ef937460 100644
--- a/src/main/java/com/juick/service/TagService.java
+++ b/src/main/java/com/juick/service/TagService.java
@@ -21,6 +21,7 @@ import com.juick.model.Tag;
 import com.juick.model.User;
 import com.juick.model.TagStats;
 import org.apache.commons.lang3.tuple.Pair;
+import org.springframework.cache.annotation.CacheEvict;
 import org.springframework.cache.annotation.Cacheable;
 
 import java.util.Collection;
@@ -50,13 +51,13 @@ public interface TagService {
 
     List<TagStats> getTagStats();
 
+    @CacheEvict(value = "message_tags", key = "#mid")
     Set<Tag> updateTags(int mid, Collection<Tag> newTags);
 
     Pair<String, Set<Tag>> fromString(String txt);
 
+    @Cacheable(value = "message_tags")
     List<TagStats> getMessageTags(int mid);
 
-    List<Integer> getMessageTagsIDs(int mid);
-
     boolean blacklistTag(User user, Tag tag);
 }
diff --git a/src/main/java/com/juick/service/TagServiceImpl.java b/src/main/java/com/juick/service/TagServiceImpl.java
index c9384f6a..90d0fc83 100644
--- a/src/main/java/com/juick/service/TagServiceImpl.java
+++ b/src/main/java/com/juick/service/TagServiceImpl.java
@@ -277,13 +277,6 @@ public class TagServiceImpl extends BaseJdbcService implements TagService {
                 }, mid);
     }
 
-    @Override
-    public List<Integer> getMessageTagsIDs(final int mid) {
-        return getJdbcTemplate().queryForList(
-                "SELECT tag_id FROM messages_tags WHERE message_id = ?",
-                Integer.class, mid);
-    }
-
     @Override
     public boolean blacklistTag(User user, Tag tag) {
         int rowcount = getNamedParameterJdbcTemplate().update(
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