1 files changed, 219 insertions, 0 deletions
diff --git a/juick-server-jdbc/src/main/java/com/juick/service/SubscriptionServiceImpl.java b/juick-server-jdbc/src/main/java/com/juick/service/SubscriptionServiceImpl.java
new file mode 100644
index 00000000..d1eef338
--- /dev/null
+++ b/juick-server-jdbc/src/main/java/com/juick/service/SubscriptionServiceImpl.java
@@ -0,0 +1,219 @@
+package com.juick.service;
+
+import com.juick.Tag;
+import com.juick.User;
+import com.juick.server.helpers.NotifyOpts;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
+
+import javax.inject.Inject;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * Created by aalexeev on 11/13/16.
+ */
+@Repository
+public class SubscriptionServiceImpl extends BaseJdbcService implements SubscriptionService {
+    private final UserService userService;
+    private final MessagesService messagesService;
+    private final TagService tagService;
+
+    @Inject
+    public SubscriptionServiceImpl(JdbcTemplate jdbcTemplate, UserService userService,
+                                   MessagesService messagesService, TagService tagService) {
+        super(jdbcTemplate, null);
+
+        Assert.notNull(userService, "UserService must be initialized");
+        this.userService = userService;
+
+        Assert.notNull(messagesService,"MessagesService must be initialized");
+        this.messagesService = messagesService;
+
+        Assert.notNull(tagService, "TagService must be initialized");
+        this.tagService = tagService;
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public List<String> getJIDSubscribedToUser(final int uid, final boolean friendsonly) {
+        return getNamedParameterJdbcTemplate().queryForList(
+                "SELECT jids.jid FROM subscr_users INNER JOIN jids " +
+                        "ON (subscr_users.user_id = :uid AND subscr_users.suser_id = jids.user_id) WHERE jids.active = 1 " +
+                        (friendsonly ?
+                                " AND EXISTS (SELECT 1 FROM wl_users w WHERE w.user_id = :uid and jids.user_id = w.wl_user_id)" : StringUtils.EMPTY),
+                new MapSqlParameterSource("uid", uid),
+                String.class);
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public List<User> getSubscribedUsers(final int uid, final int mid) {
+        User author = messagesService.getMessageAuthor(mid);
+
+        List<User> userids = userService.getUserReaders(uid);
+        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()
+                        .map(User::getUid).filter(u -> Collections.disjoint(tagService.getUserBLTags(u), tagsStr))
+                        .collect(Collectors.toList()));
+
+
+        if (!tags.isEmpty()) {
+            List<Integer> tagUsers = getNamedParameterJdbcTemplate().queryForList(
+                    "SELECT st.suser_id FROM subscr_tags st " +
+                            "WHERE st.tag_id IN (:ids) AND st.suser_id != :uid " +
+                            " AND NOT EXISTS (SELECT 1 FROM bl_users bu WHERE bu.bl_user_id = :authorUid and st.suser_id = bu.user_id)" +
+                            " 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("uid", uid)
+                            .addValue("authorUid", author.getUid()),
+                    Integer.class);
+            set.addAll(tagUsers);
+        }
+        return userService.getUsersByID(set);
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public List<User> getUsersSubscribedToComments(final int mid, final int ignore_uid) {
+        List<Integer> userids = getJdbcTemplate().queryForList(
+                "SELECT suser_id FROM subscr_messages WHERE message_id=? AND suser_id!=?",
+                Integer.class,
+                mid, ignore_uid);
+
+        if (!userids.isEmpty())
+            return userService.getUsersByID(userids);
+
+        return Collections.emptyList();
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public List<User> getUsersSubscribedToUserRecommendations(final int uid, final int mid, final int muid) {
+        List<Integer> tags = tagService.getMessageTagsIDs(mid);
+
+        String query = "SELECT s.suser_id FROM subscr_users s WHERE s.user_id = :uid " +
+                " AND NOT EXISTS (SELECT 1 FROM bl_users b WHERE b.bl_user_id = :muid and b.user_id = s.user_id) " +
+                " AND NOT EXISTS (SELECT 1 FROM subscr_users s1 WHERE s1.user_id = :muid AND s.user_id = s1.suser_id) " +
+                " AND NOT EXISTS (SELECT 1 FROM subscr_messages sm WHERE sm.message_id = :mid AND s.user_id = sm.suser_id) " +
+                " AND NOT EXISTS (SELECT 1 FROM favorites WHERE favorites.message_id = :mid AND favorites.user_id = s.user_id) " +
+                " AND s.user_id NOT IN (SELECT s2.suser_id FROM subscr_users s2 " +
+                "  INNER JOIN favorites f ON (f.message_id = :mid AND s2.user_id = f.user_id AND f.user_id != :uid))";
+
+        MapSqlParameterSource sqlParameterSource = new MapSqlParameterSource()
+                .addValue("uid", uid)
+                .addValue("muid", muid)
+                .addValue("mid", mid);
+
+        if (!tags.isEmpty()) {
+            sqlParameterSource.addValue("ids", tags);
+            query += " AND NOT EXISTS (SELECT 1 FROM subscr_tags st WHERE st.tag_id IN (:ids) AND s.user_id = st.suser_id) " +
+                    " AND NOT EXISTS (SELECT 1 FROM bl_tags b WHERE b.tag_id IN (:ids) AND s.user_id = b.user_id)";
+        }
+
+        List<Integer> userids = getNamedParameterJdbcTemplate().queryForList(
+                query, sqlParameterSource, Integer.class);
+
+        return userService.getUsersByID(userids);
+    }
+
+    @Transactional
+    @Override
+    public boolean subscribeMessage(final int mid, final int vuid) {
+        return getJdbcTemplate().update(
+                "INSERT IGNORE INTO subscr_messages(suser_id, message_id) VALUES (?, ?)", vuid, mid) == 1;
+    }
+
+    @Transactional
+    @Override
+    public boolean unSubscribeMessage(final int mid, final int vuid) {
+        return getJdbcTemplate().update(
+                "DELETE FROM subscr_messages WHERE message_id=? AND suser_id=?", mid, vuid) > 0;
+    }
+
+    @Transactional
+    @Override
+    public boolean subscribeUser(final User user, final User toUser) {
+        return getJdbcTemplate().update(
+                "INSERT IGNORE INTO subscr_users(user_id,suser_id) VALUES (?,?)", toUser.getUid(), user.getUid()) == 1;
+    }
+
+    @Transactional
+    @Override
+    public boolean unSubscribeUser(final User user, final User fromUser) {
+        return getJdbcTemplate().update(
+                "DELETE FROM subscr_users WHERE suser_id=? AND user_id=?", user.getUid(), fromUser.getUid()) > 0;
+    }
+
+    @Transactional
+    @Override
+    public boolean subscribeTag(final User user, final Tag toTag) {
+        return getJdbcTemplate().update(
+                "INSERT IGNORE INTO subscr_tags(tag_id,suser_id) VALUES (?,?)", toTag.TID, user.getUid()) == 1;
+    }
+
+    @Transactional
+    @Override
+    public boolean unSubscribeTag(final User user, final Tag toTag) {
+        return getJdbcTemplate().update(
+                "DELETE FROM subscr_tags WHERE tag_id=? AND suser_id=?", toTag.TID, user.getUid()) > 0;
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public List<String> getSubscribedTags(User user) {
+        return getJdbcTemplate().queryForList("SELECT tags.name FROM subscr_tags INNER JOIN tags USING(tag_id) " +
+                "WHERE subscr_tags.suser_id=? ORDER BY tags.name", String.class, user.getUid());
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public NotifyOpts getNotifyOptions(final User user) {
+        List<NotifyOpts> list = getJdbcTemplate().query(
+                "SELECT jnotify,subscr_notify,recommendations FROM useroptions WHERE user_id=?",
+                (rs, num) -> {
+                    NotifyOpts options = new NotifyOpts();
+                    options.setRepliesEnabled(rs.getInt(1) > 0);
+                    options.setSubscriptionsEnabled(rs.getInt(2) > 0);
+                    options.setRecommendationsEnabled(rs.getInt(3) > 0);
+                    return options;
+                },
+                user.getUid());
+
+        return list.isEmpty() ?
+                new NotifyOpts() : list.get(0);
+    }
+
+    @Transactional
+    @Override
+    public boolean setNotifyOptions(final User user, final NotifyOpts options) {
+        int jnotify = getJdbcTemplate().update(
+                "UPDATE useroptions SET jnotify=? WHERE user_id=?",
+                options.isRepliesEnabled() ? 1 : 0,
+                user.getUid());
+
+        int subscr_notify = getJdbcTemplate().update(
+                "UPDATE useroptions SET subscr_notify=? WHERE user_id=?",
+                options.isSubscriptionsEnabled() ? 1 : 0,
+                user.getUid());
+
+        int recommendations = getJdbcTemplate().update(
+                "UPDATE useroptions SET recommendations=? WHERE user_id=?",
+                options.isRecommendationsEnabled() ? 1 : 0,
+                user.getUid());
+
+        return jnotify > 0 && subscr_notify > 0 && recommendations > 0;
+    }
+}