// score: string (several options; '*' == running),
// }
-import { ajax } from "@/utils/ajax";
import { store } from "@/store";
function dbOperation(callback) {
// Optional callback to get error status
add: function(game, callback) {
dbOperation((err,db) => {
- if (err) {
+ if (!!err) {
callback("error");
return;
}
transaction.oncomplete = function() {
callback(); //everything's fine
};
+ transaction.onerror = function(err) {
+ callback(err); //duplicate key error (most likely)
+ };
let objectStore = transaction.objectStore("games");
objectStore.add(game);
});
},
- // TODO: also option to takeback a move ?
// obj: chat, move, fen, clocks, score[Msg], initime, ...
update: function(gameId, obj) {
- if (Number.isInteger(gameId) || !isNaN(parseInt(gameId))) {
- // corr: only move, fen and score
- ajax("/games", "PUT", {
- gid: gameId,
- newObj: {
- // Some fields may be undefined:
- chat: obj.chat,
- move: obj.move,
- fen: obj.fen,
- score: obj.score,
- scoreMsg: obj.scoreMsg,
- drawOffer: obj.drawOffer
+ // live
+ dbOperation((err,db) => {
+ let objectStore = db
+ .transaction("games", "readwrite")
+ .objectStore("games");
+ objectStore.get(gameId).onsuccess = function(event) {
+ // 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
}
- });
- } else {
- // live
- dbOperation((err,db) => {
- let objectStore = db
- .transaction("games", "readwrite")
- .objectStore("games");
- objectStore.get(gameId).onsuccess = function(event) {
- // Ignoring error silently: shouldn't happen now. TODO?
- if (event.target.result) {
- let 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
- }
- };
- });
- }
+ };
+ });
},
// Retrieve all local games (running, completed, imported...)
- // light: do not retrieve moves or clocks (TODO: this is the only usage)
- getAll: function(light, callback) {
+ getAll: function(callback) {
dbOperation((err,db) => {
let objectStore = db.transaction("games").objectStore("games");
let games = [];
// if there is still another cursor to go, keep running this code
if (cursor) {
let g = cursor.value;
- if (light) {
- g.movesCount = g.moves.length;
- delete g.moves;
- delete g.clocks;
- delete g.initime;
- }
+ // 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 => {
- let game = res.game;
- game.moves.forEach(m => {
- m.squares = JSON.parse(m.squares);
- });
- callback(game);
- });
- }
- else {
- // Local game
- dbOperation((err,db) => {
- let objectStore = db.transaction("games").objectStore("games");
- objectStore.get(gameId).onsuccess = function(event) {
- if (event.target.result)
- callback(event.target.result);
- };
- });
- }
+ // Local game
+ dbOperation((err,db) => {
+ let objectStore = db.transaction("games").objectStore("games");
+ objectStore.get(gameId).onsuccess = function(event) {
+ if (event.target.result)
+ callback(event.target.result);
+ };
+ });
},
// Delete a game in indexedDB
if (!err) {
let transaction = db.transaction(["games"], "readwrite");
transaction.oncomplete = function() {
- callback({}); //everything's fine
+ callback(); //everything's fine
};
transaction.objectStore("games").delete(gameId);
}