diff options
Diffstat (limited to 'src/main/java/com/juick/server/SubscriptionsQueries.java')
| -rw-r--r-- | src/main/java/com/juick/server/SubscriptionsQueries.java | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/main/java/com/juick/server/SubscriptionsQueries.java b/src/main/java/com/juick/server/SubscriptionsQueries.java new file mode 100644 index 00000000..d0f5f308 --- /dev/null +++ b/src/main/java/com/juick/server/SubscriptionsQueries.java @@ -0,0 +1,168 @@ +/* + * To change this template, choose Tools | Templates + * and open the template in the editor. + */ +package com.juick.server; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.ArrayList; + +/** + * + * @author ugnich + */ +public class SubscriptionsQueries { + + public static ArrayList<String> getJIDSubscribedToUser(Connection sql, int uid, boolean friendsonly) { + ArrayList<String> jids = new ArrayList<String>(); + + PreparedStatement stmt = null; + ResultSet rs = null; + try { + if (friendsonly == false) { + stmt = sql.prepareStatement("SELECT jids.jid FROM subscr_users INNER JOIN jids ON (subscr_users.user_id=? AND subscr_users.suser_id=jids.user_id) WHERE jids.active=1"); + stmt.setInt(1, uid); + } else { + stmt = sql.prepareStatement("SELECT jids.jid FROM subscr_users INNER JOIN jids ON (subscr_users.user_id=? AND subscr_users.suser_id=jids.user_id) WHERE jids.active=1 AND jids.user_id IN (SELECT wl_user_id FROM wl_users WHERE user_id=?)"); + stmt.setInt(1, uid); + stmt.setInt(2, uid); + } + rs = stmt.executeQuery(); + rs.beforeFirst(); + while (rs.next()) { + jids.add(rs.getString(1)); + } + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(rs, stmt); + } + return jids; + } + + public static ArrayList<String> getJIDSubscribedToUserAndTags(Connection sql, int uid, int mid) { + ArrayList<String> jids = new ArrayList<String>(); + + PreparedStatement stmt = null; + ResultSet rs = null; + + String tbl = "subscr_jids_" + mid; + ArrayList<Integer> tags = MessagesQueries.getMessageTagsIDs(sql, mid); + + try { + stmt = sql.prepareStatement("CREATE TEMPORARY TABLE " + tbl + "(user_id INT UNSIGNED NOT NULL) ENGINE=MEMORY"); + stmt.executeUpdate(); + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(null, stmt); + } + + try { + String query = "INSERT INTO " + tbl + " SELECT suser_id FROM subscr_users WHERE user_id=" + uid; + if (!tags.isEmpty()) { + query += " UNION DISTINCT SELECT suser_id FROM subscr_tags WHERE tag_id IN (" + Utils.convertArrayInt2String(tags) + ") AND suser_id!=" + uid; + } + stmt = sql.prepareStatement(query); + stmt.executeUpdate(); + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(null, stmt); + } + + + try { + String query = "SELECT jids.jid FROM " + tbl + " INNER JOIN jids ON (" + tbl + ".user_id=jids.user_id) WHERE jids.active=1 AND " + tbl + ".user_id NOT IN (SELECT user_id FROM bl_users WHERE bl_user_id=" + uid + ")"; + if (!tags.isEmpty()) { + query += " AND " + tbl + ".user_id NOT IN (SELECT user_id FROM bl_tags WHERE tag_id IN (" + Utils.convertArrayInt2String(tags) + "))"; + } + stmt = sql.prepareStatement(query); + rs = stmt.executeQuery(); + rs.beforeFirst(); + while (rs.next()) { + jids.add(rs.getString(1)); + } + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(rs, stmt); + } + + try { + stmt = sql.prepareStatement("DROP TABLE " + tbl); + stmt.executeUpdate(); + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(null, stmt); + } + + return jids; + } + + public static ArrayList<String> getJIDSubscribedToComments(Connection sql, int mid, int ignore_uid) { + ArrayList<String> jids = new ArrayList<String>(); + + PreparedStatement stmt = null; + ResultSet rs = null; + try { + stmt = sql.prepareStatement("SELECT jids.jid FROM subscr_messages INNER JOIN jids ON (subscr_messages.message_id=? AND subscr_messages.suser_id=jids.user_id) WHERE jids.user_id!=? AND jids.active=1"); + stmt.setInt(1, mid); + stmt.setInt(2, ignore_uid); + rs = stmt.executeQuery(); + rs.beforeFirst(); + while (rs.next()) { + jids.add(rs.getString(1)); + } + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(rs, stmt); + } + return jids; + } + + public static ArrayList<String> getJIDSubscribedToUserRecommendations(Connection sql, int uid, int mid, int muid) { + ArrayList<String> jids = new ArrayList<String>(); + + ArrayList<Integer> tags = MessagesQueries.getMessageTagsIDs(sql, mid); + + PreparedStatement stmt = null; + ResultSet rs = null; + try { + String query = "SELECT jid FROM jids WHERE active=1 AND user_id!=" + uid; + query += " AND user_id IN (SELECT suser_id FROM subscr_users WHERE user_id=" + uid + ")"; + query += " AND user_id NOT IN (SELECT user_id FROM bl_users WHERE bl_user_id=" + muid + ")"; + query += " AND user_id NOT IN (SELECT suser_id FROM subscr_users WHERE user_id=" + muid + ")"; + query += " AND user_id NOT IN (SELECT suser_id FROM subscr_messages WHERE message_id=" + mid + ")"; + query += " AND user_id NOT IN (SELECT user_id FROM favorites WHERE message_id=" + mid + ")"; + query += " AND user_id NOT IN (SELECT subscr_users.suser_id FROM subscr_users INNER JOIN favorites ON (favorites.message_id=" + mid + " AND subscr_users.user_id=favorites.user_id AND favorites.user_id!=" + uid + "))"; + if (!tags.isEmpty()) { + String tagsStr = Utils.convertArrayInt2String(tags); + query += " AND user_id NOT IN (SELECT suser_id FROM subscr_tags WHERE tag_id IN (" + tagsStr + "))"; + query += " AND user_id NOT IN (SELECT user_id FROM bl_tags WHERE tag_id IN (" + tagsStr + "))"; + } + + stmt = sql.prepareStatement(query); + rs = stmt.executeQuery(); + rs.beforeFirst(); + while (rs.next()) { + jids.add(rs.getString(1)); + } + } catch (SQLException e) { + System.err.println(e); + } finally { + Utils.finishSQL(rs, stmt); + } + + return jids; + } + + public static boolean subscribeMessage(Connection sql, int mid, int vuid) { + return SQLHelpers.execute(sql, "INSERT IGNORE INTO subscr_messages(suser_id,message_id) VALUES (" + vuid + "," + mid + ")") == 1; + } +} |