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authorGravatar Ugnich Anton2013-07-16 04:07:30 +0700
committerGravatar Ugnich Anton2013-07-16 04:07:30 +0700
commit9fa3da4667af7a93da5826f3eaa00d5384971179 (patch)
tree5b05ba13271a95f769f58fa2df8ec18f094d3612 /src
parent378b014b82158d06a6ee986cb7522a04bc59f5bc (diff)
GroupQueries
Diffstat (limited to 'src')
-rw-r--r--src/com/juick/server/GroupsQueries.java149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/com/juick/server/GroupsQueries.java b/src/com/juick/server/GroupsQueries.java
new file mode 100644
index 00000000..45a4942d
--- /dev/null
+++ b/src/com/juick/server/GroupsQueries.java
@@ -0,0 +1,149 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2013, Ugnich Anton
+ *
+ * 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.server;
+
+import com.juick.Group;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class GroupsQueries {
+
+ public static ArrayList<com.juick.Group> getGroups(Connection sql, int uid) {
+ ArrayList<com.juick.Group> groups = new ArrayList<Group>();
+
+ PreparedStatement stmt = null;
+ ResultSet rs = null;
+ try {
+ stmt = sql.prepareStatement("SELECT groups.group_id,groups.name,COUNT(groups_users.user_id) FROM groups LEFT JOIN groups_users USING(group_id) WHERE groups.user_id=? GROUP BY group_id");
+ stmt.setInt(1, uid);
+ rs = stmt.executeQuery();
+ rs.beforeFirst();
+ while (rs.next()) {
+ com.juick.Group g = new com.juick.Group();
+ g.GID = rs.getInt(1);
+ g.Name = rs.getString(2);
+ g.UsersCnt = rs.getInt(3);
+ groups.add(g);
+ }
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ Utils.finishSQL(rs, stmt);
+ }
+
+ return groups;
+ }
+
+ public static int getGroupID(Connection sql, int uid, String name) {
+ int gid = 0;
+
+ PreparedStatement stmt = null;
+ ResultSet rs = null;
+ try {
+ stmt = sql.prepareStatement("SELECT group_id FROM groups WHERE user_id=? AND name=?");
+ stmt.setInt(1, uid);
+ stmt.setString(2, name);
+ rs = stmt.executeQuery();
+ if (rs.first()) {
+ gid = rs.getInt(1);
+ }
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ Utils.finishSQL(rs, stmt);
+ }
+
+ if (gid == 0) {
+ try {
+ stmt = sql.prepareStatement("INSERT INTO groups(user_id,name) VALUES (?)", Statement.RETURN_GENERATED_KEYS);
+ stmt.setString(1, name);
+ stmt.executeUpdate();
+ rs = stmt.getGeneratedKeys();
+ if (rs.first()) {
+ gid = rs.getInt(1);
+ }
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ Utils.finishSQL(rs, stmt);
+ }
+ }
+
+ return gid;
+ }
+
+ public static boolean removeGroupUser(Connection sql, int gid, int uid) {
+ boolean ret = false;
+ PreparedStatement stmt = null;
+ try {
+ stmt = sql.prepareStatement("DELETE FROM groups_users WHERE group_id=? AND user_id=?");
+ stmt.setInt(1, gid);
+ stmt.setInt(2, uid);
+ if (stmt.executeUpdate() > 0) {
+ ret = true;
+ }
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ Utils.finishSQL(null, stmt);
+ }
+
+ if (ret) {
+ int cnt = SQLHelpers.getInt(sql, "SELECT COUNT(*) FROM groups_users WHERE group_id=?", gid, -1);
+ if (cnt == 0) {
+ try {
+ stmt = sql.prepareStatement("DELETE FROM groups WHERE group_id=?");
+ stmt.setInt(1, gid);
+ stmt.executeUpdate();
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ Utils.finishSQL(null, stmt);
+ }
+ }
+ }
+
+ return ret;
+ }
+
+ public static boolean addGroupUser(Connection sql, int gid, int uid) {
+ boolean ret = false;
+ PreparedStatement stmt = null;
+ try {
+ stmt = sql.prepareStatement("INSERT INTO groups_users(group_id,user_id) VALUES (?,?)");
+ stmt.setInt(1, gid);
+ stmt.setInt(2, uid);
+ if (stmt.executeUpdate() > 0) {
+ ret = true;
+ }
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ Utils.finishSQL(null, stmt);
+ }
+ return ret;
+ }
+}