X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=server%2Fmodels%2FGame.js;h=65aedfde3b4b8363e09b32727826a24dee03e3f6;hb=0234201fb338fc239d6f613c677fa932c7c3697c;hp=da59b4a6dbe6433e84beeceaa501b13fc12f0f0d;hpb=dac395887d96e2d642b209c6db6aaacc3ffacb34;p=vchess.git

diff --git a/server/models/Game.js b/server/models/Game.js
index da59b4a6..65aedfde 100644
--- a/server/models/Game.js
+++ b/server/models/Game.js
@@ -1,4 +1,4 @@
-var db = require("../utils/database");
+const db = require("../utils/database");
 const UserModel = require("./User");
 
 /*
@@ -7,16 +7,17 @@ const UserModel = require("./User");
  *   vid: integer (variant id)
  *   fenStart: varchar (initial position)
  *   fen: varchar (current position)
- *   timeControl: string
+ *   white: integer
+ *   black: integer
+ *   cadence: string
  *   score: varchar (result)
  *   scoreMsg: varchar ("Time", "Mutual agreement"...)
  *   created: datetime
- *   drawOffer: boolean
- *
- * Structure table Players:
- *   gid: ref game id
- *   uid: ref user id
- *   color: character
+ *   drawOffer: char ('w','b' or '' for none)
+ *   rematchOffer: char (similar to drawOffer)
+ *   randomness: integer
+ *   deletedByWhite: boolean
+ *   deletedByBlack: boolean
  *
  * Structure table Moves:
  *   gid: ref game id
@@ -34,194 +35,318 @@ const UserModel = require("./User");
 const GameModel =
 {
   checkGameInfo: function(g) {
-    if (!g.vid.toString().match(/^[0-9]+$/))
-      return "Wrong variant ID";
-    if (!g.vname.match(/^[a-zA-Z0-9]+$/))
-      return "Wrong variant name";
-    if (!g.timeControl.match(/^[0-9dhms +]+$/))
-      return "Wrong characters in time control";
-    if (!g.fen.match(/^[a-zA-Z0-9, /-]*$/))
-      return "Bad FEN string";
-    if (g.players.length != 2)
-      return "Need exactly 2 players";
-    if (g.players.some(p => !p.id.toString().match(/^[0-9]+$/)))
-      return "Wrong characters in player ID";
-    return "";
+    return (
+      g.vid.toString().match(/^[0-9]+$/) &&
+      g.cadence.match(/^[0-9dhms +]+$/) &&
+      g.randomness.match(/^[0-2]$/) &&
+      g.fen.match(/^[a-zA-Z0-9, /-]*$/) &&
+      g.players.length == 2 &&
+      g.players.every(p => p.toString().match(/^[0-9]+$/))
+    );
   },
 
-  create: function(vid, fen, timeControl, players, cb)
-  {
+  create: function(vid, fen, randomness, cadence, players, cb) {
     db.serialize(function() {
       let query =
-        "INSERT INTO Games"
-        + " (vid, fenStart, fen, score, timeControl, created, drawOffer)"
-        + " VALUES (" + vid + ",'" + fen + "','" + fen + "','*','"
-        + timeControl + "'," + Date.now() + "," + false + ")";
+        "INSERT INTO Games " +
+        "(" +
+          "vid, fenStart, fen, randomness, " +
+          "white, black, " +
+          "cadence, created" +
+        ") " +
+        "VALUES " +
+        "(" +
+          vid + ",'" + fen + "','" + fen + "'," + randomness + "," +
+          "'" + players[0] + "','" + players[1] + "," +
+          "'" + cadence + "'," + Date.now() +
+        ")";
       db.run(query, function(err) {
-        if (!!err)
-          return cb(err);
-        players.forEach((p,idx) => {
-          const color = (idx==0 ? "w" : "b");
-          query =
-            "INSERT INTO Players VALUES " +
-            "(" + this.lastID + "," + p.id + ",'" + color + "')";
-          db.run(query);
-        });
-        cb(null, {gid: this.lastID});
+        cb(err, { id: this.lastId });
       });
     });
   },
 
-  // TODO: queries here could be async, and wait for all to complete
-  getOne: function(id, cb)
-  {
+  // TODO: some queries here could be async
+  getOne: function(id, cb) {
+    // NOTE: ignoring errors (shouldn't happen at this stage)
     db.serialize(function() {
-      // TODO: optimize queries?
       let query =
-        // NOTE: g.scoreMsg can be NULL
-        // (in this case score = "*" and no reason to look at it)
-        "SELECT g.id, g.vid, g.fen, g.fenStart, g.timeControl, g.score, " +
-          "g.scoreMsg, v.name AS vname " +
+        "SELECT " +
+          "g.id, g.vid, g.fen, g.fenStart, g.cadence, g.created, " +
+          "g.white, g.black, 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) => {
-        if (!!err)
-          return cb(err);
+      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) => {
-          if (!!err2)
-            return cb(err2);
+          "SELECT squares, played, idx " +
+          "FROM Moves " +
+          "WHERE gid = " + id;
+        db.all(query, (err3, moves) => {
           query =
-            "SELECT squares, played, idx " +
-            "FROM Moves " +
+            "SELECT msg, name, added " +
+            "FROM Chats " +
             "WHERE gid = " + id;
-          db.all(query, (err3,moves) => {
-            if (!!err3)
-              return cb(err3);
-            query =
-              "SELECT msg, name, added " +
-              "FROM Chats " +
-              "WHERE gid = " + id;
-            db.all(query, (err4,chats) => {
-              if (!!err4)
-                return cb(err4);
-              const game = Object.assign({},
-                gameInfo,
-                {
-                  players: players,
-                  moves: moves,
-                  chats: chats,
-                }
-              );
-              return cb(null, game);
-            });
+          db.all(query, (err4, chats) => {
+            const game = Object.assign(
+              {},
+              gameInfo,
+              {
+                moves: moves,
+                chats: chats
+              }
+            );
+            cb(null, game);
           });
         });
       });
     });
   },
 
-  getByUser: function(uid, excluded, cb)
-  {
+  // For display on Hall: no need for moves or chats
+  getObserved: function(uid, cursor, 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.all(query, (err,gameIds) => {
-        if (!!err)
-          return cb(err);
-        gameIds = gameIds || []; //might be empty
-        let gameArray = [];
-        for (let i=0; i<gameIds.length; i++)
-        {
-          GameModel.getOne(gameIds[i]["gid"], (err2,game) => {
-            if (!!err2)
-              return cb(err2);
-            gameArray.push(game);
-            // Call callback function only when gameArray is complete:
-            if (i == gameIds.length - 1)
-              return cb(null, gameArray);
+      let query =
+        "SELECT g.id, g.vid, g.cadence, g.created, " +
+        "       g.score, g.white, g.black " +
+        "FROM Games g ";
+      if (uid > 0) query +=
+        "WHERE " +
+        "  created < " + cursor + " AND " +
+        "  white <> " + uid + " AND " +
+        "  black <> " + uid + " ";
+      query +=
+        "ORDER BY created DESC " +
+        "LIMIT 20"; //TODO: 20 hard-coded...
+      db.all(query, (err, games) => {
+        // Query players names
+        let pids = {};
+        games.forEach(g => {
+          if (!pids[g.white]) pids[g.white] = true;
+          if (!pids[g.black]) pids[g.black] = true;
+        });
+        UserModel.getByIds(Object.keys(pids), (err2, users) => {
+          let names = {};
+          users.forEach(u => { names[u.id] = u.name; });
+          cb(
+            games.map(
+              g => {
+                return {
+                  id: g.id,
+                  cadence: g.cadence,
+                  vname: g.vname,
+                  created: g.created,
+                  score: g.score,
+                  white: names[g.white],
+                  black: names[g.black]
+                };
+              }
+            )
+          );
+        });
+      });
+    });
+  },
+
+  // For display on MyGames: registered user only
+  getRunning: function(uid, cb) {
+    db.serialize(function() {
+      let query =
+        "SELECT g.id, g.cadence, g.created, g.score, " +
+          "g.white, g.black, v.name AS vname " +
+        "FROM Games g " +
+        "JOIN Variants v " +
+        "  ON g.vid = v.id " +
+        "WHERE white = " + uid + " OR black = " + uid;
+      db.all(query, (err, games) => {
+        // Get movesCount (could be done in // with next query)
+        query =
+          "SELECT gid, COUNT(*) AS nbMoves " +
+          "FROM Moves " +
+          "WHERE gid IN " + "(" + games.map(g => g.id).join(",") + ") " +
+          "GROUP BY gid";
+        db.all(query, (err, mstats) => {
+          let movesCounts = {};
+          mstats.forEach(ms => { movesCounts[ms.gid] = ms.nbMoves; });
+          // Query player names
+          let pids = {};
+          games.forEach(g => {
+            if (!pids[g.white]) pids[g.white] = true;
+            if (!pids[g.black]) pids[g.black] = true;
+          });
+          UserModel.getByIds(pids, (err2, users) => {
+            let names = {};
+            users.forEach(u => { names[u.id] = u.name; });
+            cb(
+              games.map(
+                g => {
+                  return {
+                    id: g.id,
+                    cadence: g.cadence,
+                    vname: g.vname,
+                    created: g.created,
+                    score: g.score,
+                    movesCount: movesCounts[g.id],
+                    white: names[g.white],
+                    black: names[g.black]
+                  };
+                }
+              )
+            );
           });
-        }
+        });
+      });
+    });
+  },
+
+  // These games could be deleted on some side. movesCount not required
+  getCompleted: function(uid, cursor, cb) {
+    db.serialize(function() {
+      let query =
+        "SELECT g.id, g.cadence, g.created, g.score, g.scoreMsg, " +
+          "g.white, g.black, g.deletedByWhite, g.deletedByBlack, " +
+          "v.name AS vname " +
+        "FROM Games g " +
+        "JOIN Variants v " +
+        "  ON g.vid = v.id " +
+        "WHERE " +
+        "  created < " + cursor + " AND " +
+        "  (" +
+        "    (" + uid + " = white AND NOT deletedByWhite) OR " +
+        "    (" + uid + " = black AND NOT deletedByBlack)" +
+        "  ) ";
+      query +=
+        "ORDER BY created DESC " +
+        "LIMIT 20";
+      db.all(query, (err, games) => {
+        // Query player names
+        let pids = {};
+        games.forEach(g => {
+          if (!pids[g.white]) pids[g.white] = true;
+          if (!pids[g.black]) pids[g.black] = true;
+        });
+        UserModel.getByIds(pids, (err2, users) => {
+          let names = {};
+          users.forEach(u => { names[u.id] = u.name; });
+          cb(
+            games.map(
+              g => {
+                return {
+                  id: g.id,
+                  cadence: g.cadence,
+                  vname: g.vname,
+                  created: g.created,
+                  score: g.score,
+                  scoreMsg: g.scoreMsg,
+                  white: names[g.white],
+                  black: names[g.black],
+                  deletedByWhite: g.deletedByWhite,
+                  deletedByBlack: g.deletedByBlack
+                };
+              }
+            )
+          );
+        });
       });
     });
   },
 
-  getPlayers: function(id, cb)
-  {
+  getPlayers: function(id, cb) {
     db.serialize(function() {
       const query =
-        "SELECT id " +
-        "FROM Players " +
+        "SELECT white, black " +
+        "FROM Games " +
         "WHERE gid = " + id;
-      db.all(query, (err,players) => {
+      db.all(query, (err, players) => {
         return cb(err, players);
       });
     });
   },
 
-  checkGameUpdate: function(obj)
-  {
+  checkGameUpdate: function(obj) {
     // Check all that is possible (required) in obj:
-    if (!!obj.move)
-    {
-      if (!obj.move.played.toString().match(/^[0-9]+$/))
-        return "Wrong move played time";
-      if (!obj.move.idx.toString().match(/^[0-9]+$/))
-        return "Wrong move index";
-    }
-    if (!!obj.fen && !obj.fen.match(/^[a-zA-Z0-9, /-]*$/))
-      return "Wrong FEN string";
-    if (!!obj.score && !obj.score.match(/^[012?*\/-]+$/))
-      return "Wrong characters in score";
-    if (!!obj.scoreMsg && !obj.scoreMsg.match(/^[a-zA-Z ]+$/))
-      return "Wrong characters in score message";
-    if (!!obj.chat)
-      return UserModel.checkNameEmail({name: obj.chat.name});
-    return "";
+    return (
+      (
+        !obj.move || (
+          !!(obj.move.played.toString().match(/^[0-9]+$/)) &&
+          !!(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})
+      )
+    );
   },
 
-  // obj can have fields move, chat, fen, drawOffer and/or score
-  update: function(id, obj)
-  {
+  // 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 = "";
-      if (!!obj.message)
-        modifs += "message = message || ' ' || '" + obj.message + "',";
-      if ([true,false].includes(obj.drawOffer))
-        modifs += "drawOffer = " + obj.drawOffer + ",";
+      // 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)
       {
-        const m = obj.move;
+        // Security: only update moves if index is right
         query =
-          "INSERT INTO Moves (gid, squares, played, idx) VALUES " +
-          "(" + id + ",?," + m.played + "," + m.idx + ")";
-        db.run(query, JSON.stringify(m.squares));
+          "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 =
@@ -229,60 +354,98 @@ const GameModel =
             + 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);
+        });
+      }
     });
   },
 
-  remove: function(id)
-  {
+  remove: function(id_s) {
+    const suffix =
+      Array.isArray(id_s)
+        ? " IN (" + id_s.join(",") + ")"
+        : " = " + id_s;
     db.parallelize(function() {
       let query =
         "DELETE FROM Games " +
-        "WHERE id = " + id;
-      db.run(query);
-      query =
-        "DELETE FROM Players " +
-        "WHERE gid = " + id;
+        "WHERE id " + suffix;
       db.run(query);
       query =
         "DELETE FROM Moves " +
-        "WHERE gid = " + id;
+        "WHERE gid " + suffix;
       db.run(query);
       query =
         "DELETE FROM Chats " +
-        "WHERE gid = " + id;
+        "WHERE gid " + suffix;
       db.run(query);
     });
   },
 
-  cleanGamesDb: function()
-  {
+  cleanGamesDb: function() {
     const tsNow = Date.now();
     // 86400000 = 24 hours in milliseconds
     const day = 86400000;
     db.serialize(function() {
       let query =
-        "SELECT id,score " +
-        "FROM Games ";
-      db.all(query, (err,games) => {
-        games.forEach(g => {
-          query =
-            "SELECT max(played) AS lastMaj " +
-            "FROM Moves " +
-            "WHERE gid = " + g.id;
-          db.get(query, (err2,updated) => {
-            if (!updated && tsNow - g.created > 7*day)
-              return GameModel.remove(g.id);
-            const lastMaj = updated.lastMaj;
-            if (g.score != "*" && tsNow - lastMaj > 7*day ||
-              g.score == "*" && tsNow - lastMaj > 91*day)
-            {
-              GameModel.remove(g.id);
+        "SELECT id, created " +
+        "FROM Games";
+      db.all(query, (err, games) => {
+        query =
+          "SELECT gid, count(*) AS nbMoves, MAX(played) AS lastMaj " +
+          "FROM Moves " +
+          "GROUP BY gid";
+        db.get(query, (err2, mstats) => {
+          // Reorganize moves data to avoid too many array lookups:
+          let movesGroups = {};
+          mstats.forEach(ms => {
+            movesGroups[ms.gid] = {
+              nbMoves: ms.nbMoves,
+              lastMaj: ms.lastMaj
+            };
+          });
+          // Remove games still not really started,
+          // with no action in the last 3 months:
+          let toRemove = [];
+          games.forEach(g => {
+            if (
+              (
+                !movesGroups[g.id] &&
+                tsNow - g.created > 91*day
+              )
+              ||
+              (
+                movesGroups[g.id].nbMoves == 1 &&
+                tsNow - movesGroups[g.id].lastMaj > 91*day
+              )
+            ) {
+              toRemove.push(g.id);
             }
           });
+          if (toRemove.length > 0) GameModel.remove(toRemove);
         });
       });
     });
-  },
+  }
 }
 
 module.exports = GameModel;