From 18c9e608fa38b136e581adb974b29e4c5a446dc9 Mon Sep 17 00:00:00 2001
From: Ugnich Anton
Date: Sun, 9 Feb 2014 04:54:56 +0700
Subject: Votes

---
 src/com/juick/server/VotesQueries.java | 91 ++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/com/juick/server/VotesQueries.java

(limited to 'src/com/juick/server/VotesQueries.java')

diff --git a/src/com/juick/server/VotesQueries.java b/src/com/juick/server/VotesQueries.java
new file mode 100644
index 00000000..d3af99c1
--- /dev/null
+++ b/src/com/juick/server/VotesQueries.java
@@ -0,0 +1,91 @@
+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 VotesQueries {
+
+    public static boolean voteMessage(Connection sql, int mid, int uid, int vote) {
+        boolean ret = false;
+
+        PreparedStatement stmt = null;
+        try {
+            stmt = sql.prepareStatement("INSERT INTO messages_votes(message_id,user_id,vote) VALUES (?,?,?)");
+            stmt.setInt(1, mid);
+            stmt.setInt(2, uid);
+            stmt.setInt(3, vote);
+            ret = stmt.executeUpdate() > 0;
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(null, stmt);
+        }
+
+        if (ret) {
+            try {
+                String query;
+                if (vote > 0) {
+                    query = "UPDATE messages SET votes=votes+1 WHERE message_id=?";
+                } else {
+                    query = "UPDATE messages SET votes=votes-1 WHERE message_id=?";
+                }
+                stmt = sql.prepareStatement(query);
+                stmt.setInt(1, mid);
+                stmt.executeUpdate();
+            } catch (SQLException e) {
+                System.err.println(e);
+            } finally {
+                Utils.finishSQL(null, stmt);
+            }
+        }
+
+        return ret;
+    }
+
+    public static int getMessageVotes(Connection sql, int mid) {
+        return SQLHelpers.getInt(sql, "SELECT votes FROM messages WHERE message_id=?", mid, 0);
+    }
+
+    public static boolean fillMessagesVotes(Connection sql, ArrayList<com.juick.Message> msgs, int vuid) {
+        boolean ret = false;
+
+        String mids = "";
+        final int midsSize = msgs.size();
+        for (int i = 0; i < midsSize; i++) {
+            if (i > 0) {
+                mids += ",";
+            }
+            mids += msgs.get(i).MID;
+        }
+
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT message_id,vote FROM messages_votes WHERE user_id=? AND message_id IN (" + mids + ")");
+            stmt.setInt(1, vuid);
+            rs = stmt.executeQuery();
+            rs.beforeFirst();
+            while (rs.next()) {
+                int mid = rs.getInt(1);
+                for (int i = 0; i < midsSize; i++) {
+                    if (msgs.get(i).MID == mid) {
+                        msgs.get(i).UserVote = rs.getInt(2);
+                        ret = true;
+                    }
+                }
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+        return ret;
+    }
+}
-- 
cgit v1.2.3