diff options
author | Ugnich Anton | 2014-02-09 04:54:56 +0700 |
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committer | Ugnich Anton | 2014-02-09 04:54:56 +0700 |
commit | 18c9e608fa38b136e581adb974b29e4c5a446dc9 (patch) | |
tree | 94da37705811d30ea343177694b2c3be06169cfe /src/com/juick/server/VotesQueries.java | |
parent | 636b44d06dfbf84210c44f488659e629ed4db0ec (diff) |
Votes
Diffstat (limited to 'src/com/juick/server/VotesQueries.java')
-rw-r--r-- | src/com/juick/server/VotesQueries.java | 91 |
1 files changed, 91 insertions, 0 deletions
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; + } +} |