// players: array of sid+id+name,
// 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,
let DBOpenRequest = window.indexedDB.open("vchess", 4);
DBOpenRequest.onerror = function(event) {
- alert(store.state.tr["Database error:"] + " " + event.target.errorCode);
+ alert(store.state.tr["Database error: stop private browsing, or update your browser"]);
+ callback("error",null);
};
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(
- store.state.tr["Error while loading database:"] +
- " " +
- event.target.errorCode
- );
- };
- // Create objectStore for vchess->games
let objectStore = db.createObjectStore("games", { keyPath: "id" });
objectStore.createIndex("score", "score"); //to search by game result
};
export const GameStorage = {
// Optional callback to get error status
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:
- store.state.tr["Game retrieval failed:"] + " " + transaction.error
- });
- };
+ dbOperation((err,db) => {
+ if (err) {
+ callback("error");
+ return;
}
+ let transaction = db.transaction("games", "readwrite");
+ transaction.oncomplete = function() {
+ callback(); //everything's fine
+ };
let objectStore = transaction.objectStore("games");
objectStore.add(game);
});
});
} else {
// live
- dbOperation(db => {
+ dbOperation((err,db) => {
let objectStore = db
.transaction("games", "readwrite")
.objectStore("games");
objectStore.get(gameId).onsuccess = function(event) {
- const game = event.target.result;
- Object.keys(obj).forEach(k => {
- if (k == "move") game.moves.push(obj[k]);
- else game[k] = obj[k];
- });
- objectStore.put(game); //save updated data
+ // 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 game[k] = obj[k];
+ });
+ objectStore.put(game); //save updated data
+ }
};
});
}
},
// Retrieve all local games (running, completed, imported...)
- getAll: function(callback) {
- dbOperation(db => {
+ // light: do not retrieve moves or clocks (TODO: this is the only usage)
+ getAll: function(light, callback) {
+ dbOperation((err,db) => {
let objectStore = db.transaction("games").objectStore("games");
let games = [];
objectStore.openCursor().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);
+ let g = cursor.value;
+ if (light) {
+ g.movesCount = g.moves.length;
+ delete g.moves;
+ delete g.clocks;
+ delete g.initime;
+ }
+ games.push(g);
cursor.continue();
} else callback(games);
};
});
callback(game);
});
- } //local game
+ }
else {
- dbOperation(db => {
+ // Local game
+ dbOperation((err,db) => {
let objectStore = db.transaction("games").objectStore("games");
objectStore.get(gameId).onsuccess = function(event) {
- callback(event.target.result);
+ if (event.target.result)
+ callback(event.target.result);
};
});
}
},
- getCurrent: function(callback) {
- dbOperation(db => {
- let objectStore = db.transaction("games").objectStore("games");
- objectStore.get("*").onsuccess = function(event) {
- callback(event.target.result);
- };
- });
- },
-
// Delete a game in indexedDB
remove: function(gameId, callback) {
- dbOperation(db => {
- let transaction = db.transaction(["games"], "readwrite");
- if (callback) {
+ dbOperation((err,db) => {
+ if (!err) {
+ let transaction = db.transaction(["games"], "readwrite");
transaction.oncomplete = function() {
callback({}); //everything's fine
};
- transaction.onerror = function() {
- callback({
- errmsg:
- store.state.tr["Game removal failed:"] + " " + transaction.error
- });
- };
+ transaction.objectStore("games").delete(gameId);
}
- transaction.objectStore("games").delete(gameId);
});
}
};