X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=models%2FGame.js;h=23a74e81ed7140baadd5aabac8c569f5eb16e39c;hb=b955c65b942d09d24b5c3bed0d755d4f2f8f71f1;hp=d279514fe8cec84acf610bc051c8b95d28c4a4b1;hpb=fd08ab2c5b8931bb8c95cf7e9f2f95122647f991;p=vchess.git

diff --git a/models/Game.js b/models/Game.js
index d279514f..23a74e81 100644
--- a/models/Game.js
+++ b/models/Game.js
@@ -1 +1,140 @@
-//TODO:
+var db = require("../utils/database");
+
+/*
+ * Structure table Games:
+ *   id: game id (int)
+ *   vid: integer (variant id)
+ *   fenStart: varchar (initial position)
+ *   fen: varchar (current position)
+ *   mainTime: integer
+ *   addTime: integer (increment)
+ *   score: varchar (result)
+ *
+ * Structure table Players:
+ *   gid: ref game id
+ *   uid: ref user id
+ *   color: character
+ *   rtime: real (remaining time)
+ *
+ * Structure table Moves:
+ *   gid: ref game id
+ *   move: varchar (description)
+ *   message: text
+ *   played: datetime
+ *   idx: integer
+ *   color: character
+ */
+
+const GameModel =
+{
+	// mainTime and increment in milliseconds
+	create: function(vid, fen, mainTime, increment, players, cb)
+	{
+		db.serialize({
+			let query =
+				"INSERT INTO Games (vid, fen, mainTime, addTime) " +
+				"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 + "," + mainTime + ")";
+						db.run(query, cb);
+					});
+				});
+			});
+		});
+	},
+
+	// TODO: queries here could be async, and wait for all to complete
+	getOne: function(id, cb)
+	{
+		db.serialize(function() {
+			let query =
+				"SELECT v.name AS vname, g.fen, g.fenStart, 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, p.rtime, 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, message, 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,
+							fenStart: gameInfo.fenStart,
+							fen: gameInfo.fen,
+							score: gameInfo.score,
+							players: players,
+							moves: moves,
+						};
+						return cb(null, game);
+					});
+				});
+			});
+		});
+	},
+
+	getByUser: function(uid, cb)
+	{
+		db.serialize(function() {
+			// Next query is fine because a player appear at most once in a game
+			const query =
+				"SELECT gid " +
+				"FROM Players " +
+				"WHERE uid = " + uid;
+			db.run(query, (err,gameIds) => {
+				if (!!err)
+					return cb(err);
+				let gameArray = [];
+				gameIds.forEach(gidRow => {
+					GameModel.getOne(gidRow["gid"], (err2,game) => {
+						if (!!err2)
+							return cb(err2);
+						gameArray.push(game);
+					});
+				});
+				return cb(null, gameArray);
+			});
+		});
+	},
+
+	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);
+		});
+	},
+}
+
+module.exports = GameModel;