From 02723131139806c761539a42a5fa80b68ecadee8 Mon Sep 17 00:00:00 2001 From: Vitaly Takmazov Date: Thu, 29 Jun 2017 14:03:04 +0300 Subject: project structure: split server into jdbc + web --- .../java/com/juick/service/TagServiceImpl.java | 260 --------------------- 1 file changed, 260 deletions(-) delete mode 100644 juick-server/src/main/java/com/juick/service/TagServiceImpl.java (limited to 'juick-server/src/main/java/com/juick/service/TagServiceImpl.java') diff --git a/juick-server/src/main/java/com/juick/service/TagServiceImpl.java b/juick-server/src/main/java/com/juick/service/TagServiceImpl.java deleted file mode 100644 index b5bd0ae8..00000000 --- a/juick-server/src/main/java/com/juick/service/TagServiceImpl.java +++ /dev/null @@ -1,260 +0,0 @@ -package com.juick.service; - -import com.juick.Tag; -import com.juick.server.helpers.TagStats; -import org.apache.commons.collections4.CollectionUtils; -import org.apache.commons.lang3.ArrayUtils; -import org.apache.commons.lang3.StringUtils; -import org.springframework.jdbc.core.JdbcTemplate; -import org.springframework.jdbc.core.RowMapper; -import org.springframework.jdbc.core.namedparam.MapSqlParameterSource; -import org.springframework.jdbc.support.GeneratedKeyHolder; -import org.springframework.jdbc.support.KeyHolder; -import org.springframework.stereotype.Repository; -import org.springframework.transaction.annotation.Transactional; -import org.springframework.util.Assert; - -import javax.inject.Inject; -import java.sql.PreparedStatement; -import java.sql.ResultSet; -import java.sql.SQLException; -import java.sql.Statement; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.List; -import java.util.regex.Matcher; -import java.util.regex.Pattern; -import java.util.stream.Collectors; - -/** - * Created by aalexeev on 11/13/16. - */ -@Repository -public class TagServiceImpl extends BaseJdbcService implements TagService { - private static final Pattern TAGS_PATTERN1 = Pattern.compile("^(?:(?:\\*[^ \\r\\n\\t]+)|\\s)+$"); - private static final Pattern TAGS_PATTERN2 = Pattern.compile("^\\*([^ \\r\\n\\t]+)\\s+([\\s\\S]+)"); - private static final Pattern TAG_PATTERN = Pattern.compile("\\*([^ \\r\\n\\t]+)"); - - private final MessagesService messagesService; - - @Inject - public TagServiceImpl(JdbcTemplate jdbcTemplate, MessagesService messagesService) { - super(jdbcTemplate, null); - Assert.notNull(messagesService, "MessagesService must be initialized"); - this.messagesService = messagesService; - } - - @Transactional(readOnly = true) - @Override - public com.juick.Tag getTag(final int tid) { - List list = getJdbcTemplate().query( - "SELECT synonym_id,name FROM tags WHERE tag_id=?", - (rs, num) -> { - Tag ret = new Tag(rs.getString(2)); - ret.TID = tid; - ret.SynonymID = rs.getInt(1); - return ret; - }, - tid); - - return list.isEmpty() ? - null : list.get(0); - } - - @Transactional - @Override - public com.juick.Tag getTag(final String tag, final boolean autoCreate) { - if (StringUtils.isBlank(tag)) - return null; - - List list = getJdbcTemplate().query( - "SELECT tag_id, synonym_id, name FROM tags WHERE name = ?", - (rs, rowNum) -> { - Tag ret1 = new Tag(rs.getString(3)); - ret1.TID = rs.getInt(1); - ret1.SynonymID = rs.getInt(2); - return ret1; - }, - tag); - - Tag ret = list.isEmpty() ? - null : list.get(0); - - if (ret == null && autoCreate) { - ret = new com.juick.Tag(tag); - ret.TID = createTag(tag); - } - - return ret; - } - - @Override - public List getTags(final String[] tags, final boolean autoCreate) { - if (ArrayUtils.isEmpty(tags)) - return Collections.emptyList(); - - List ret = new ArrayList<>(); - - for (String tag : tags) { - if (!tag.isEmpty()) { - Tag t = getTag(tag, autoCreate); - - if (t != null) - ret.add(t); - } - } - - return ret.stream().distinct().collect(Collectors.toList()); - } - - @Transactional(readOnly = true) - @Override - public boolean getTagNoIndex(final int tagId) { - List list = getJdbcTemplate().queryForList( - "SELECT noindex FROM tags WHERE tag_id=?", Integer.class, tagId); - - return !list.isEmpty() && list.get(0) == 1; - } - - @Transactional - @Override - public int createTag(final String name) { - KeyHolder holder = new GeneratedKeyHolder(); - getJdbcTemplate().update( - con -> { - PreparedStatement stmt = con.prepareStatement( - "INSERT INTO tags(name) VALUES (?)", - Statement.RETURN_GENERATED_KEYS); - stmt.setString(1, name); - return stmt; - }, - holder); - - return holder.getKey().intValue(); - } - - private class TagStatsMapper implements RowMapper { - - @Override - public TagStats mapRow(ResultSet rs, int rowNum) throws SQLException { - Tag t = new Tag(rs.getString(1)); - TagStats s = new TagStats(); - s.setTag(t); - s.setUsageCount(rs.getInt(2)); - return s; - } - } - - @Transactional(readOnly = true) - @Override - public List getUserTagStats(final int uid) { - return getJdbcTemplate().query( - "SELECT tags.name,COUNT(messages.message_id) " + - "FROM (messages INNER JOIN messages_tags ON (messages.user_id=? " + - "AND messages.message_id=messages_tags.message_id)) " + - "INNER JOIN tags ON messages_tags.tag_id=tags.tag_id GROUP BY tags.tag_id ORDER BY tags.name ASC", - new TagStatsMapper(), - uid); - } - - @Transactional(readOnly = true) - @Override - public List getUserBLTags(final int uid) { - return getJdbcTemplate().queryForList( - "SELECT tags.name FROM tags INNER JOIN bl_tags " + - "ON (bl_tags.user_id = ? AND bl_tags.tag_id = tags.tag_id) ORDER BY tags.name", - String.class, uid); - } - - @Transactional(readOnly = true) - @Override - public List getPopularTags() { - return getJdbcTemplate().queryForList( - "SELECT name FROM tags WHERE top=1 ORDER BY name ASC", String.class) - .stream() - .collect(Collectors.toList()); - } - - @Transactional(readOnly = true) - @Override - public List getTagStats() { - return getJdbcTemplate().query( - "SELECT tags.name,COUNT(DISTINCT messages.user_id) AS cnt " + - "FROM (messages INNER JOIN messages_tags ON (messages.ts>TIMESTAMPADD(DAY,-3,NOW()) " + - "AND messages.message_id=messages_tags.message_id)) " + - "INNER JOIN tags ON messages_tags.tag_id=tags.tag_id " + - "WHERE tags.tag_id NOT IN (SELECT tag_id FROM tags_ignore) " + - "GROUP BY tags.tag_id ORDER BY cnt DESC LIMIT 20", new TagStatsMapper()); - } - - @Transactional - @Override - public List updateTags(final int mid, final Collection newTags) { - List currentTags = getMessageTags(mid).stream() - .map(TagStats::getTag).collect(Collectors.toList()); - - if (CollectionUtils.isEmpty(newTags)) - return currentTags; - - List idsForDelete = newTags.stream() - .filter(currentTags::contains) - .map(tag -> tag.TID) - .collect(Collectors.toList()); - - if (!idsForDelete.isEmpty()) - getNamedParameterJdbcTemplate().update( - "DELETE FROM messages_tags WHERE message_id = :mid AND tag_id in (:ids)", - new MapSqlParameterSource().addValue("ids", idsForDelete).addValue("mid", mid)); - - newTags.stream().filter(t -> !currentTags.contains(t)) - .forEach(t -> getJdbcTemplate().update("INSERT INTO messages_tags(message_id,tag_id) VALUES (?,?)", mid, t.TID)); - - return getMessageTags(mid).stream() - .map(TagStats::getTag).collect(Collectors.toList()); - } - - @Override - public List fromString(final String txt, final boolean tagsOnly) { - Pattern tagsPattern = tagsOnly ? TAGS_PATTERN1 : TAGS_PATTERN2; - - if (tagsPattern.matcher(txt).matches()) { - Matcher tagMatcher = TAG_PATTERN.matcher(txt); - - List tags = new ArrayList<>(); - - // TODO: process readonly, private, friends, public - while (tagMatcher.find()) { - for (int i = 1; i <= tagMatcher.groupCount(); i++) - tags.add(getTag(tagMatcher.group(i), true)); - } - return tags; - } - return Collections.emptyList(); - } - - @Transactional(readOnly = true) - @Override - public List getMessageTags(final int mid) { - return getJdbcTemplate().query( - "SELECT tags.tag_id,synonym_id,name,stat_messages FROM tags " + - "INNER JOIN messages_tags ON (messages_tags.message_id = ? AND messages_tags.tag_id = tags.tag_id)", - (rs, num) -> { - com.juick.Tag t = new com.juick.Tag(rs.getString(3)); - t.TID = rs.getInt(1); - t.SynonymID = rs.getInt(2); - TagStats s = new TagStats(); - s.setTag(t); - s.setUsageCount(rs.getInt(4)); - return s; - }, mid); - } - - @Transactional(readOnly = true) - @Override - public List getMessageTagsIDs(final int mid) { - return getJdbcTemplate().queryForList( - "SELECT tag_id FROM messages_tags WHERE message_id = ?", - Integer.class, mid); - } -} -- cgit v1.2.3