+var db = require("../utils/database");
+
+/*
+ * Structure table Games:
+ * id: game id (int)
+ * vid: integer (variant id)
+ * fen: varchar (initial position)
+ * mainTime: integer
+ * increment: integer
+ * score: varchar (result)
+ *
+ * Structure table Players:
+ * gid: ref game id
+ * uid: ref user id
+ * color: character
+ *
+ * Structure table Moves:
+ * move: varchar (description)
+ * played: datetime
+ * idx: integer
+ * color: character
+ */
+
+exports.create = function(vid, fen, mainTime, increment, players, cb)
+{
+ db.serialize({
+ let query =
+ "INSERT INTO Games (vid, fen, mainTime, increment) " +
+ "VALUES (" + vid + ",'" + fen + "'," + mainTime + "," + increment + ")";
+ db.run(insertQuery, err => {
+ if (!!err)
+ return cb(err);
+ db.get("SELECT last_insert_rowid() AS rowid", (err2,lastId) => {
+ players.forEach(p => {
+ query =
+ "INSERT INTO Players VALUES " +
+ "(" + lastId["rowid"] + "," + p.id + "," + p.color + ")";
+ db.run(query, cb);
+ });
+ });
+ });
+ });
+}
+
+// TODO: queries here could be async, and wait for all to complete
+exports.getOne = function(id, cb)
+{
+ db.serialize(function() {
+ let query =
+ "SELECT v.name AS vname, g.fen, g.score " +
+ "FROM Games g " +
+ "JOIN Variants v " +
+ " ON g.vid = v.id "
+ "WHERE id = " + id;
+ db.get(query, (err,gameInfo) => {
+ if (!!err)
+ return cb(err);
+ query =
+ "SELECT p.uid AS id, p.color, u.name " +
+ "FROM Players p " +
+ "JOIN Users u " +
+ " ON p.uid = u.id " +
+ "WHERE p.gid = " + id;
+ db.run(query, (err2,players) => {
+ if (!!err2)
+ return cb(err2);
+ query =
+ "SELECT move AS desc, played, idx, color " +
+ "FROM Moves " +
+ "WHERE gid = " + id;
+ db.run(query, (err3,moves) => {
+ if (!!err3)
+ return cb(err3);
+ const game = {
+ id: id,
+ vname: gameInfo.vname,
+ fen: gameInfo.fen,
+ score: gameInfo.score,
+ players: players,
+ moves: moves,
+ };
+ return cb(null, game);
+ });
+ });
+ });
+ });
+}
+
+exports.remove = function(id)
+{
+ db.parallelize(function() {
+ let query =
+ "DELETE FROM Games " +
+ "WHERE id = " + id;
+ db.run(query);
+ query =
+ "DELETE FROM Players " +
+ "WHERE gid = " + id;
+ db.run(query);
+ query =
+ "DELETE FROM Moves " +
+ "WHERE gid = " + id;
+ db.run(query);
+ });
+}