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authorGravatar Vitaly Takmazov2022-12-17 21:19:46 +0300
committerGravatar Vitaly Takmazov2022-12-17 21:19:46 +0300
commita6e17eb7aa1366a29a1c23b4bd40a3eb253f8ca9 (patch)
tree06a3459016fcb2949fb75086720f3d7fb0f937d4 /src/main/java/com
parent32f09ccf94c8ee50444dafa7f468c6e53a1d75df (diff)
postgres: search service
Diffstat (limited to 'src/main/java/com')
-rw-r--r--src/main/java/com/juick/service/PostgreGINService.java97
-rw-r--r--src/main/java/com/juick/service/SphinxSearchService.java2
2 files changed, 99 insertions, 0 deletions
diff --git a/src/main/java/com/juick/service/PostgreGINService.java b/src/main/java/com/juick/service/PostgreGINService.java
new file mode 100644
index 00000000..f4f70bf4
--- /dev/null
+++ b/src/main/java/com/juick/service/PostgreGINService.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2008-2020, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.service;
+
+import com.juick.model.User;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.inject.Inject;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/**
+ * Created by aalexeev on 11/18/16.
+ */
+
+@Repository
+@ConditionalOnProperty(name = "spring.sql.init.platform", havingValue = "postgresql")
+@Transactional(readOnly = true)
+public class PostgreGINService extends BaseJdbcService implements SearchService {
+ private static final int DEFAULT_MAX_RESULT = 20;
+
+ private int maxResult = DEFAULT_MAX_RESULT;
+
+ @Inject
+ UserService userService;
+
+ public String sortHint(String searchString) {
+ boolean isOneWord = searchString.split("[^\\S\\+]+").length == 1;
+ return isOneWord ? " message_id desc" : String.format(" ts_rank(to_tsvector('russian', \"txt\"), plainto_tsquery('russian', '%s')) DESC, message_id desc", searchString);
+ }
+
+ @Override
+ public List<Integer> searchInAllMessages(User visitor, final String searchString, final int page) {
+ if (StringUtils.isBlank(searchString))
+ return Collections.emptyList();
+
+ String usersFilter = userService.getUserBLUsers(visitor.getUid()).stream().map(u -> String.valueOf(u.getUid())).collect(Collectors.joining(","));
+ var filter = usersFilter.isBlank() ?
+ "to_tsvector('russian', txt) @@ plainto_tsquery('russian', '" + searchString + "')"
+ : "to_tsvector('russian', txt) @@ plainto_tsquery('russian', '" + searchString + "') AND messages.user_id not in (" + usersFilter + ")";
+ var offset = page * maxResult;
+ var sql = String.format("""
+ SELECT messages.message_id FROM messages_txt inner join messages
+ on messages.message_id = messages_txt.message_id
+ WHERE %s
+ ORDER BY %s
+ LIMIT %d OFFSET %d
+ """, filter, sortHint(searchString), maxResult, offset);
+ return getJdbcTemplate().queryForList(sql, Integer.class);
+ }
+
+ @Override
+ public List<Integer> searchByStringAndUser(User visitor, final String searchString, final int userId, int page) {
+ if (StringUtils.isBlank(searchString))
+ return Collections.emptyList();
+
+ var offset = page * maxResult;
+ var sql = String.format("""
+ SELECT messages.message_id FROM messages_txt inner join messages
+ on messages.message_id = messages_txt.message_id
+ WHERE to_tsvector('russian', txt) @@ plainto_tsquery('russian', '%s') AND user_id=%d
+ ORDER BY %s
+ LIMIT %d OFFSET %d
+ """, searchString, userId, sortHint(searchString), maxResult, offset);
+ return getJdbcTemplate().queryForList(sql, Integer.class);
+ }
+
+ @Override
+ public void setMaxResult(int maxResult) {
+ if (maxResult <= 0)
+ throw new IllegalArgumentException("maxResult value (" + maxResult + ") must be greater then 0");
+
+ this.maxResult = maxResult;
+ }
+} \ No newline at end of file
diff --git a/src/main/java/com/juick/service/SphinxSearchService.java b/src/main/java/com/juick/service/SphinxSearchService.java
index 302f10de..06faafc5 100644
--- a/src/main/java/com/juick/service/SphinxSearchService.java
+++ b/src/main/java/com/juick/service/SphinxSearchService.java
@@ -19,6 +19,7 @@ package com.juick.service;
import com.juick.model.User;
import org.apache.commons.lang3.StringUtils;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
@@ -34,6 +35,7 @@ import java.util.stream.Collectors;
*/
@Repository
+@ConditionalOnProperty(name = "spring.sql.init.platform", havingValue = "mysql")
@Transactional(readOnly = true)
public class SphinxSearchService extends BaseJdbcService implements SearchService {
private static final int DEFAULT_MAX_RESULT = 20;