// Game object: {
// // Static informations:
-// gameId: string
+// id: string
// vname: string,
// fenStart: string,
// players: array of sid+id+name,
-// timeControl: string,
+// cadence: string,
// increment: integer (seconds),
-// mode: string ("live" or "corr")
-// imported: boolean (optional, default false)
+// type: string ("live" or "corr")
// // Game (dynamic) state:
// fen: string,
// moves: array of Move objects,
// score: string (several options; '*' == running),
// }
-import { ajax } from "@/utils/ajax";
+import { store } from "@/store";
-function dbOperation(callback)
-{
+function dbOperation(callback) {
let db = null;
- let DBOpenRequest = window.indexedDB.open("vchess", 4);
+ let DBOpenRequest = window.indexedDB.open("vchess", 5);
DBOpenRequest.onerror = function(event) {
- alert("Database error: " + event.target.errorCode);
+ alert(store.state.tr[
+ "Database error: stop private browsing, or update your browser"]);
+ callback("error", null);
};
- DBOpenRequest.onsuccess = function(event) {
+ DBOpenRequest.onsuccess = function() {
db = DBOpenRequest.result;
- callback(db);
+ callback(null, db);
db.close();
};
DBOpenRequest.onupgradeneeded = function(event) {
let db = event.target.result;
- db.onerror = function(event) {
- alert("Error while loading database: " + event.target.errorCode);
- };
- // Create objectStore for vchess->games
- let objectStore = db.createObjectStore("games", { keyPath: "gameId" });
- objectStore.createIndex("score", "score"); //to search by game result
- }
+ let upgradeTransaction = event.target.transaction;
+ let objectStore = undefined;
+ if (!db.objectStoreNames.contains("games"))
+ objectStore = db.createObjectStore("games", { keyPath: "id" });
+ else
+ objectStore = upgradeTransaction.objectStore("games");
+ if (!objectStore.indexNames.contains("score"))
+ // To sarch games by score (useful for running games)
+ objectStore.createIndex("score", "score", { unique: false });
+ if (!objectStore.indexNames.contains("created"))
+ // To search by date intervals. Two games cannot start at the same time
+ objectStore.createIndex("created", "created", { unique: true });
+ };
}
-export const GameStorage =
-{
+export const GameStorage = {
// Optional callback to get error status
- // TODO: this func called from Hall seems to not work now...
- add: function(game, callback)
- {
- dbOperation((db) => {
- let transaction = db.transaction("games", "readwrite");
- if (callback)
- {
- transaction.oncomplete = function() {
- callback({}); //everything's fine
- }
- transaction.onerror = function() {
- callback({errmsg: "addGame failed: " + transaction.error});
- };
+ add: function(game, callback) {
+ dbOperation((err, db) => {
+ if (!!err) {
+ callback("error");
+ return;
}
- let objectStore = transaction.objectStore("games");
- objectStore.add(game);
+ let transaction = db.transaction("games", "readwrite");
+ transaction.oncomplete = function() {
+ // Everything's fine
+ callback();
+ };
+ transaction.onerror = function(err) {
+ // Duplicate key error (most likely)
+ callback(err);
+ };
+ transaction.objectStore("games").add(game);
});
},
- // TODO: also option to takeback a move ?
- // NOTE: for live games only (all on server for corr)
- update: function(gameId, obj) //colorIdx, nextIdx, move, fen, addTime, score
- {
- dbOperation((db) => {
- let objectStore = db.transaction("games", "readwrite").objectStore("games");
+ // obj: chat, move, fen, clocks, score[Msg], initime, ...
+ update: function(gameId, obj) {
+ // live
+ dbOperation((err, db) => {
+ let objectStore = db
+ .transaction("games", "readwrite")
+ .objectStore("games");
objectStore.get(gameId).onsuccess = function(event) {
- const game = event.target.result;
- if (!!obj.move)
- {
- game.moves.push(obj.move);
- game.fen = obj.fen;
- game.clocks[obj.colorIdx] += obj.addTime;
- game.initime[obj.nextIdx] = Date.now();
+ // Ignoring error silently: shouldn't happen now. TODO?
+ if (event.target.result) {
+ let game = event.target.result;
+ // Hidden tabs are delayed, to prevent multi-updates:
+ if (obj.moveIdx < game.moves.length) return;
+ Object.keys(obj).forEach(k => {
+ if (k == "move") game.moves.push(obj[k]);
+ else if (k == "chat") game.chats.push(obj[k]);
+ else if (k == "chatRead") game.chatRead = Date.now();
+ else if (k == "delchat") game.chats = [];
+ else game[k] = obj[k];
+ });
+ objectStore.put(game); //save updated data
}
- if (!!obj.score)
- game.score = obj.score;
- objectStore.put(game); //save updated data
- }
+ };
});
},
- // Retrieve all local games (running, completed, imported...)
- getAll: function(callback)
- {
- dbOperation((db) => {
- let objectStore = db.transaction('games').objectStore('games');
+ // Retrieve (all) running local games
+ getRunning: function(callback) {
+ dbOperation((err, db) => {
+ let objectStore = db
+ .transaction("games", "readonly")
+ .objectStore("games");
+ let index = objectStore.index("score");
+ const range = IDBKeyRange.only("*");
let games = [];
- objectStore.openCursor().onsuccess = function(event) {
+ index.openCursor(range).onsuccess = function(event) {
let cursor = event.target.result;
- // if there is still another cursor to go, keep running this code
- if (cursor)
- {
- games.push(cursor.value);
+ if (!cursor) callback(games);
+ else {
+ // If there is still another cursor to go, keep running this code
+ let g = cursor.value;
+ // Do not retrieve moves or clocks (unused in list mode)
+ g.movesCount = g.moves.length;
+ delete g.moves;
+ delete g.clocks;
+ delete g.initime;
+ games.push(g);
cursor.continue();
}
- else
- callback(games);
- }
+ };
});
},
- // Retrieve any game from its identifiers (locally or on server)
- // NOTE: need callback because result is obtained asynchronously
- get: function(gameId, callback)
- {
- // corr games identifiers are integers
- if (Number.isInteger(gameId) || !isNaN(parseInt(gameId)))
- {
- ajax("/games", "GET", {gid:gameId}, res => {
- callback(res.game);
- });
- }
- else //local game
- {
- dbOperation((db) => {
- let objectStore = db.transaction('games').objectStore('games');
- objectStore.get(gameId).onsuccess = function(event) {
- callback(event.target.result);
+ // Retrieve completed local games
+ getNext: function(upperDt, callback) {
+ dbOperation((err, db) => {
+ let objectStore = db
+ .transaction("games", "readonly")
+ .objectStore("games");
+ let index = objectStore.index("created");
+ const range = IDBKeyRange.upperBound(upperDt);
+ let games = [];
+ index.openCursor(range).onsuccess = function(event) {
+ let cursor = event.target.result;
+ if (!cursor) {
+ // Most recent games first:
+ games = games.sort((g1, g2) => g2.created - g1.created);
+ // TODO: 20 games showed per request is arbitrary
+ callback(games.slice(0, 20));
}
- });
- }
+ else {
+ // If there is still another cursor to go, keep running this code
+ let g = cursor.value;
+ if (g.score != "*") {
+ // Do not retrieve moves or clocks (unused in list mode)
+ g.movesCount = g.moves.length;
+ delete g.moves;
+ delete g.clocks;
+ delete g.initime;
+ games.push(g);
+ }
+ cursor.continue();
+ }
+ };
+ });
},
- getCurrent: function(callback)
- {
- dbOperation((db) => {
- let objectStore = db.transaction('games').objectStore('games');
- objectStore.get("*").onsuccess = function(event) {
+ // Retrieve any game from its identifier.
+ // NOTE: need callback because result is obtained asynchronously
+ get: function(gameId, callback) {
+ dbOperation((err, db) => {
+ let objectStore = db.transaction("games").objectStore("games");
+ objectStore.get(gameId).onsuccess = function(event) {
+ // event.target.result is null if game not found
callback(event.target.result);
};
});
},
// Delete a game in indexedDB
- remove: function(gameId, callback)
- {
- dbOperation((db) => {
- let transaction = db.transaction(["games"], "readwrite");
- if (callback)
- {
+ remove: function(gameId, callback) {
+ dbOperation((err, db) => {
+ if (!err) {
+ let transaction = db.transaction("games", "readwrite");
transaction.oncomplete = function() {
- callback({}); //everything's fine
- }
- transaction.onerror = function() {
- callback({errmsg: "removeGame failed: " + transaction.error});
+ callback(); //everything's fine
};
+ transaction.objectStore("games").delete(gameId);
}
- transaction.objectStore("games").delete(gameId);
});
- },
+ }
};
projects / vchess.git / blobdiff