X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=server%2Fmodels%2FGame.js;h=caa15c39579c992c1e474cfa294147726a6edd24;hb=584f81b93154313a3856112400b7df98e0eb2632;hp=954ffc402737239916718112a0f160dd8a95c1e5;hpb=098cd7f19e9ac858df6d635e5f37d356c1d5b1fa;p=vchess.git

diff --git a/server/models/Game.js b/server/models/Game.js
index 954ffc40..caa15c39 100644
--- a/server/models/Game.js
+++ b/server/models/Game.js
@@ -1,4 +1,5 @@
-var db = require("../utils/database");
+const db = require("../utils/database");
+const UserModel = require("./User");
 
 /*
  * Structure table Games:
@@ -6,135 +7,369 @@ var db = require("../utils/database");
  *   vid: integer (variant id)
  *   fenStart: varchar (initial position)
  *   fen: varchar (current position)
- *   timeControl: string
+ *   cadence: string
  *   score: varchar (result)
+ *   scoreMsg: varchar ("Time", "Mutual agreement"...)
+ *   created: datetime
+ *   drawOffer: char ('w','b' or '' for none)
  *
  * 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
+ *   squares: varchar (description)
  *   played: datetime
  *   idx: integer
- *   color: character
+ *
+ * Structure table Chats:
+ *   gid: game id (int)
+ *   msg: varchar
+ *   name: varchar
+ *   added: datetime
  */
 
 const GameModel =
 {
-	create: function(vid, fen, timeControl, players, cb)
-	{
-		db.serialize(function() {
-			let query =
-				"INSERT INTO Games (vid, fen, timeControl) " +
-				"VALUES (" + vid + ",'" + fen + "'," + timeControl + ")";
-			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 " +
-              // Remaining time = -1 means "unstarted"
-							"(" + lastId["rowid"] + "," + p.id + "," + p.color + ", -1)";
-						db.run(query, cb);
-					});
-				});
-			});
-		});
-	},
+  checkGameInfo: function(g) {
+    return (
+      g.vid.toString().match(/^[0-9]+$/) &&
+      g.cadence.match(/^[0-9dhms +]+$/) &&
+      g.fen.match(/^[a-zA-Z0-9, /-]*$/) &&
+      g.players.length == 2 &&
+      g.players.every(p => p.uid.toString().match(/^[0-9]+$/))
+    );
+  },
+
+  create: function(vid, fen, cadence, players, cb)
+  {
+    db.serialize(function() {
+      let query =
+        "INSERT INTO Games " +
+        "(vid, fenStart, fen, cadence, created) " +
+        "VALUES " +
+        "(" + vid + ",'" + fen + "','" + fen + "','" + cadence + "'," + Date.now() + ")";
+      db.run(query, function(err) {
+        if (err)
+          cb(err)
+        else
+        {
+          players.forEach((p,idx) => {
+            const color = (idx==0 ? "w" : "b");
+            query =
+              "INSERT INTO Players VALUES " +
+              "(" + this.lastID + "," + p.uid + ",'" + color + "')";
+            db.run(query);
+          });
+          cb(null, {gid: this.lastID});
+        }
+      });
+    });
+  },
+
+  // TODO: some queries here could be async
+  getOne: function(id, cb)
+  {
+    // NOTE: ignoring errors (shouldn't happen at this stage)
+    db.serialize(function() {
+      let query =
+        "SELECT g.id, g.vid, g.fen, g.fenStart, g.cadence, g.created, g.score, " +
+          "g.scoreMsg, g.drawOffer, g.rematchOffer, v.name AS vname " +
+        "FROM Games g " +
+        "JOIN Variants v " +
+        "  ON g.vid = v.id " +
+        "WHERE g.id = " + id;
+      db.get(query, (err, gameInfo) => {
+        query =
+          "SELECT p.uid, p.color, u.name " +
+          "FROM Players p " +
+          "JOIN Users u " +
+          "  ON p.uid = u.id " +
+          "WHERE p.gid = " + id;
+        db.all(query, (err2, players) => {
+          query =
+            "SELECT squares, played, idx " +
+            "FROM Moves " +
+            "WHERE gid = " + id;
+          db.all(query, (err3, moves) => {
+            query =
+              "SELECT msg, name, added " +
+              "FROM Chats " +
+              "WHERE gid = " + id;
+            db.all(query, (err4, chats) => {
+              const game = Object.assign(
+                {},
+                gameInfo,
+                {
+                  players: players,
+                  moves: moves,
+                  chats: chats,
+                }
+              );
+              cb(null, game);
+            });
+          });
+        });
+      });
+    });
+  },
+
+  // For display on MyGames or Hall: no need for moves or chats
+  getByUser: function(uid, excluded, cb)
+  {
+    // Some fields are not required when showing a games list:
+    const getOneLight = (id, cb2) => {
+      let query =
+        "SELECT g.id, g.vid, g.fen, g.cadence, g.created, g.score, " +
+          "g.scoreMsg, g.deletedByWhite, g.deletedByBlack, v.name AS vname " +
+        "FROM Games g " +
+        "JOIN Variants v " +
+        "  ON g.vid = v.id " +
+        "WHERE g.id = " + id;
+      db.get(query, (err, gameInfo) => {
+        query =
+          "SELECT p.uid, p.color, u.name " +
+          "FROM Players p " +
+          "JOIN Users u " +
+          "  ON p.uid = u.id " +
+          "WHERE p.gid = " + id;
+        db.all(query, (err2, players) => {
+          query =
+            "SELECT COUNT(*) AS nbMoves " +
+            "FROM Moves " +
+            "WHERE gid = " + id;
+          db.get(query, (err,ret) => {
+            const game = Object.assign(
+              {},
+              gameInfo,
+              {
+                players: players,
+                movesCount: ret.nbMoves
+              }
+            );
+            cb2(game);
+          });
+        });
+      });
+    };
+    db.serialize(function() {
+      let query = "";
+      if (uid == 0) {
+        // Special case anonymous user: show all games
+        query =
+          "SELECT id AS gid " +
+          "FROM Games";
+      }
+      else {
+        // Registered user:
+        query =
+          "SELECT gid " +
+          "FROM Players " +
+          "GROUP BY gid " +
+          "HAVING COUNT(uid = " + uid + " OR NULL) " +
+          (excluded ? " = 0" : " > 0");
+      }
+      db.all(query, (err,gameIds) => {
+        if (err || gameIds.length == 0) cb(err, []);
+        else {
+          let gameArray = [];
+          let gCounter = 0;
+          for (let i=0; i<gameIds.length; i++) {
+            getOneLight(gameIds[i]["gid"], (game) => {
+              gameArray.push(game);
+              gCounter++; //TODO: let's hope this is atomic?!
+              // Call callback function only when gameArray is complete:
+              if (gCounter == gameIds.length)
+                cb(null, gameArray);
+            });
+          }
+        }
+      });
+    });
+  },
+
+  getPlayers: function(id, cb)
+  {
+    db.serialize(function() {
+      const query =
+        "SELECT uid " +
+        "FROM Players " +
+        "WHERE gid = " + id;
+      db.all(query, (err,players) => {
+        return cb(err, players);
+      });
+    });
+  },
+
+  checkGameUpdate: function(obj)
+  {
+    // Check all that is possible (required) in obj:
+    return (
+      (
+        !obj.move || (
+          !!(obj.move.played.toString().match(/^[0-9]+$/)) &&
+          !!(obj.move.idx.toString().match(/^[0-9]+$/))
+        )
+      ) && (
+        !obj.drawOffer || !!(obj.drawOffer.match(/^[wbtn]$/))
+      ) && (
+        !obj.rematchOffer || !!(obj.rematchOffer.match(/^[wbn]$/))
+      ) && (
+        !obj.fen || !!(obj.fen.match(/^[a-zA-Z0-9, /-]*$/))
+      ) && (
+        !obj.score || !!(obj.score.match(/^[012?*\/-]+$/))
+      ) && (
+        !obj.scoreMsg || !!(obj.scoreMsg.match(/^[a-zA-Z ]+$/))
+      ) && (
+        !obj.chat || UserModel.checkNameEmail({name: obj.chat.name})
+      )
+    );
+  },
 
-	// 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);
-					});
-				});
-			});
-		});
-	},
+  // obj can have fields move, chat, fen, drawOffer and/or score + message
+  update: function(id, obj, cb)
+  {
+    db.parallelize(function() {
+      let query =
+        "UPDATE Games " +
+        "SET ";
+      let modifs = "";
+      // NOTE: if drawOffer is set, we should check that it's player's turn
+      // A bit overcomplicated. Let's trust the client on that for now...
+      if (!!obj.drawOffer)
+      {
+        if (obj.drawOffer == "n") //special "None" update
+          obj.drawOffer = "";
+        modifs += "drawOffer = '" + obj.drawOffer + "',";
+      }
+      if (!!obj.rematchOffer)
+      {
+        if (obj.rematchOffer == "n") //special "None" update
+          obj.rematchOffer = "";
+        modifs += "rematchOffer = '" + obj.rematchOffer + "',";
+      }
+      if (!!obj.fen)
+        modifs += "fen = '" + obj.fen + "',";
+      if (!!obj.score)
+        modifs += "score = '" + obj.score + "',";
+      if (!!obj.scoreMsg)
+        modifs += "scoreMsg = '" + obj.scoreMsg + "',";
+      if (!!obj.deletedBy) {
+        const myColor = obj.deletedBy == 'w' ? "White" : "Black";
+        modifs += "deletedBy" + myColor + " = true,";
+      }
+      modifs = modifs.slice(0,-1); //remove last comma
+      if (modifs.length > 0)
+      {
+        query += modifs + " WHERE id = " + id;
+        db.run(query);
+      }
+      // NOTE: move, chat and delchat are mutually exclusive
+      if (!!obj.move)
+      {
+        // Security: only update moves if index is right
+        query =
+          "SELECT MAX(idx) AS maxIdx " +
+          "FROM Moves " +
+          "WHERE gid = " + id;
+        db.get(query, (err,ret) => {
+          const m = obj.move;
+          if (!ret.maxIdx || ret.maxIdx + 1 == m.idx) {
+            query =
+              "INSERT INTO Moves (gid, squares, played, idx) VALUES " +
+              "(" + id + ",?," + m.played + "," + m.idx + ")";
+            db.run(query, JSON.stringify(m.squares));
+            cb(null);
+          }
+          else cb({errmsg:"Wrong move index"});
+        });
+      }
+      else cb(null);
+      if (!!obj.chat)
+      {
+        query =
+          "INSERT INTO Chats (gid, msg, name, added) VALUES ("
+            + id + ",?,'" + obj.chat.name + "'," + Date.now() + ")";
+        db.run(query, obj.chat.msg);
+      }
+      else if (obj.delchat)
+      {
+        query =
+          "DELETE " +
+          "FROM Chats " +
+          "WHERE gid = " + id;
+        db.run(query);
+      }
+      if (!!obj.deletedBy) {
+        // Did my opponent delete it too?
+        let selection =
+          "deletedBy" +
+          (obj.deletedBy == 'w' ? "Black" : "White") +
+          " AS deletedByOpp";
+        query =
+          "SELECT " + selection + " " +
+          "FROM Games " +
+          "WHERE id = " + id;
+        db.get(query, (err,ret) => {
+          // If yes: just remove game
+          if (!!ret.deletedByOpp) GameModel.remove(id);
+        });
+      }
+    });
+  },
 
-	getByUser: function(uid, excluded, 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 " + (excluded ? "<>" : "=") + " " + uid;
-			db.run(query, (err,gameIds) => {
-				if (!!err)
-					return cb(err);
-        gameIds = gameIds || []; //might be empty
-				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);
+      query =
+        "DELETE FROM Chats " +
+        "WHERE gid = " + id;
+      db.run(query);
+    });
+  },
 
-	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);
-		});
-	},
+  cleanGamesDb: function()
+  {
+    const tsNow = Date.now();
+    // 86400000 = 24 hours in milliseconds
+    const day = 86400000;
+    db.serialize(function() {
+      let query =
+        "SELECT id, created " +
+        "FROM Games ";
+      db.all(query, (err,games) => {
+        games.forEach(g => {
+          query =
+            "SELECT count(*) as nbMoves, max(played) AS lastMaj " +
+            "FROM Moves " +
+            "WHERE gid = " + g.id;
+          db.get(query, (err2,mstats) => {
+            // Remove games still not really started,
+            // with no action in the last 3 months:
+            if ((mstats.nbMoves == 0 && tsNow - g.created > 91*day) ||
+              (mstats.nbMoves == 1 && tsNow - mstats.lastMaj > 91*day))
+            {
+              GameModel.remove(g.id);
+            }
+          });
+        });
+      });
+    });
+  },
 }
 
 module.exports = GameModel;