ShowQueries

1 files changed, 72 insertions, 0 deletions

diff --git a/src/main/java/com/juick/server/ShowQueries.java b/src/main/java/com/juick/server/ShowQueries.java
new file mode 100644
index 00000000..06aafb2d
--- /dev/null
+++ b/src/main/java/com/juick/server/ShowQueries.java
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+package com.juick.server;
+
+import com.juick.User;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Created by vt on 10/01/16.
+ */
+public class ShowQueries {
+
+    private static final Logger logger = Logger.getLogger(ShowQueries.class.getName());
+
+    public static List<String> getRecommendedUsers(Connection sql, User forUser) {
+        List<String> result = new ArrayList<>();
+        PreparedStatement preparedStatement = null;
+        ResultSet rs = null;
+        try {
+            preparedStatement = sql.prepareStatement("SELECT users.nick FROM subscr_users INNER JOIN users " +
+                    "ON subscr_users.user_id=users.id " +
+                    "WHERE subscr_users.user_id NOT IN (SELECT user_id FROM subscr_users WHERE suser_id=?) " +
+                    "AND subscr_users.suser_id IN (SELECT user_id FROM subscr_users WHERE suser_id=?) " +
+                    "AND subscr_users.user_id NOT IN (SELECT bl_user_id FROM bl_users WHERE user_id=?) " +
+                    "AND subscr_users.user_id!=? AND users.lastmessage>UNIX_TIMESTAMP()-259200 " +
+                    "GROUP BY subscr_users.user_id ORDER BY count(*) DESC LIMIT 10");
+            preparedStatement.setInt(1, forUser.UID);
+            preparedStatement.setInt(2, forUser.UID);
+            preparedStatement.setInt(3, forUser.UID);
+            preparedStatement.setInt(4, forUser.UID);
+            rs = preparedStatement.executeQuery();
+            rs.beforeFirst();
+            while (rs.next()) {
+                result.add(rs.getString(1));
+            }
+        } catch (SQLException e) {
+            logger.log(Level.SEVERE, "sql error", e);
+        } finally {
+            Utils.finishSQL(rs, preparedStatement);
+        }
+        return result;
+    }
+
+    public static List<String> getTopUsers(Connection sql) {
+        List<String> result = new ArrayList<>();
+        PreparedStatement preparedStatement = null;
+        ResultSet rs = null;
+        try {
+            preparedStatement = sql.prepareStatement("SELECT users.nick,COUNT(subscr_users.suser_id) AS cnt " +
+                    "FROM (subscr_users INNER JOIN users ON subscr_users.user_id=users.id) " +
+                    "INNER JOIN useroptions ON users.id=useroptions.user_id " +
+                    "WHERE useroptions.privacy_view>0 AND users.lastmessage>UNIX_TIMESTAMP()-259200 " +
+                    "AND users.id!=2 GROUP BY subscr_users.user_id ORDER BY cnt DESC LIMIT 10");
+            rs = preparedStatement.executeQuery();
+            rs.beforeFirst();
+            while (rs.next()) {
+                result.add(rs.getString(1));
+            }
+        } catch (SQLException e) {
+            logger.log(Level.SEVERE, "sql error", e);
+        } finally {
+            Utils.finishSQL(rs, preparedStatement);
+        }
+        return result;
+    }
+}