Commit | Line | Data |
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967a2686 BA |
1 | // Game object: { |
2 | // // Static informations: | |
11667c79 | 3 | // id: string |
967a2686 BA |
4 | // vname: string, |
5 | // fenStart: string, | |
6 | // players: array of sid+id+name, | |
7 | // timeControl: string, | |
8 | // increment: integer (seconds), | |
9 | // mode: string ("live" or "corr") | |
10 | // imported: boolean (optional, default false) | |
11 | // // Game (dynamic) state: | |
12 | // fen: string, | |
13 | // moves: array of Move objects, | |
14 | // clocks: array of integers, | |
809ba2aa | 15 | // initime: array of integers (when clock start running), |
967a2686 BA |
16 | // score: string (several options; '*' == running), |
17 | // } | |
18 | ||
fd7aea36 BA |
19 | import { ajax } from "@/utils/ajax"; |
20 | ||
967a2686 BA |
21 | function dbOperation(callback) |
22 | { | |
23 | let db = null; | |
24 | let DBOpenRequest = window.indexedDB.open("vchess", 4); | |
25 | ||
26 | DBOpenRequest.onerror = function(event) { | |
27 | alert("Database error: " + event.target.errorCode); | |
28 | }; | |
29 | ||
30 | DBOpenRequest.onsuccess = function(event) { | |
31 | db = DBOpenRequest.result; | |
32 | callback(db); | |
33 | db.close(); | |
34 | }; | |
35 | ||
36 | DBOpenRequest.onupgradeneeded = function(event) { | |
37 | let db = event.target.result; | |
38 | db.onerror = function(event) { | |
39 | alert("Error while loading database: " + event.target.errorCode); | |
40 | }; | |
41 | // Create objectStore for vchess->games | |
11667c79 | 42 | let objectStore = db.createObjectStore("games", { keyPath: "id" }); |
42c15a75 | 43 | objectStore.createIndex("score", "score"); //to search by game result |
967a2686 BA |
44 | } |
45 | } | |
46 | ||
47 | export const GameStorage = | |
48 | { | |
49 | // Optional callback to get error status | |
c0b27606 | 50 | // TODO: this func called from Hall seems to not work now... |
967a2686 BA |
51 | add: function(game, callback) |
52 | { | |
53 | dbOperation((db) => { | |
54 | let transaction = db.transaction("games", "readwrite"); | |
55 | if (callback) | |
56 | { | |
57 | transaction.oncomplete = function() { | |
58 | callback({}); //everything's fine | |
59 | } | |
60 | transaction.onerror = function() { | |
61 | callback({errmsg: "addGame failed: " + transaction.error}); | |
62 | }; | |
63 | } | |
64 | let objectStore = transaction.objectStore("games"); | |
65 | objectStore.add(game); | |
66 | }); | |
67 | }, | |
68 | ||
69 | // TODO: also option to takeback a move ? | |
dcd68c41 BA |
70 | // obj: chat, move, fen, clocks, score[Msg], initime, ... |
71 | update: function(gameId, obj) | |
967a2686 | 72 | { |
3d55deea BA |
73 | if (Number.isInteger(gameId) || !isNaN(parseInt(gameId))) |
74 | { | |
75 | // corr: only move, fen and score | |
76 | ajax( | |
77 | "/games", | |
78 | "PUT", | |
79 | { | |
80 | gid: gameId, | |
81 | newObj: | |
82 | { | |
63ca2b89 | 83 | chat: obj.chat, |
f41ce580 | 84 | move: obj.move, //may be undefined... |
3d55deea BA |
85 | fen: obj.fen, |
86 | score: obj.score, | |
dcd68c41 | 87 | scoreMsg: obj.scoreMsg, |
b7cbbda1 | 88 | drawOffer: obj.drawOffer, |
3d55deea BA |
89 | } |
90 | } | |
91 | ); | |
92 | } | |
93 | else | |
94 | { | |
95 | // live | |
96 | dbOperation((db) => { | |
97 | let objectStore = db.transaction("games", "readwrite").objectStore("games"); | |
98 | objectStore.get(gameId).onsuccess = function(event) { | |
99 | const game = event.target.result; | |
100 | Object.keys(obj).forEach(k => { | |
101 | if (k == "move") | |
102 | game.moves.push(obj[k]); | |
103 | else | |
104 | game[k] = obj[k]; | |
105 | }); | |
106 | objectStore.put(game); //save updated data | |
107 | } | |
108 | }); | |
109 | } | |
967a2686 BA |
110 | }, |
111 | ||
fd7aea36 BA |
112 | // Retrieve all local games (running, completed, imported...) |
113 | getAll: function(callback) | |
967a2686 BA |
114 | { |
115 | dbOperation((db) => { | |
116 | let objectStore = db.transaction('games').objectStore('games'); | |
fd7aea36 BA |
117 | let games = []; |
118 | objectStore.openCursor().onsuccess = function(event) { | |
119 | let cursor = event.target.result; | |
120 | // if there is still another cursor to go, keep running this code | |
121 | if (cursor) | |
122 | { | |
123 | games.push(cursor.value); | |
124 | cursor.continue(); | |
967a2686 | 125 | } |
fd7aea36 BA |
126 | else |
127 | callback(games); | |
967a2686 | 128 | } |
fd7aea36 BA |
129 | }); |
130 | }, | |
131 | ||
132 | // Retrieve any game from its identifiers (locally or on server) | |
133 | // NOTE: need callback because result is obtained asynchronously | |
134 | get: function(gameId, callback) | |
135 | { | |
136 | // corr games identifiers are integers | |
137 | if (Number.isInteger(gameId) || !isNaN(parseInt(gameId))) | |
138 | { | |
139 | ajax("/games", "GET", {gid:gameId}, res => { | |
92b82def BA |
140 | let game = res.game; |
141 | game.moves.forEach(m => { | |
142 | m.squares = JSON.parse(m.squares); | |
143 | }); | |
144 | callback(game); | |
fd7aea36 BA |
145 | }); |
146 | } | |
147 | else //local game | |
148 | { | |
149 | dbOperation((db) => { | |
150 | let objectStore = db.transaction('games').objectStore('games'); | |
967a2686 BA |
151 | objectStore.get(gameId).onsuccess = function(event) { |
152 | callback(event.target.result); | |
153 | } | |
fd7aea36 BA |
154 | }); |
155 | } | |
967a2686 BA |
156 | }, |
157 | ||
42c15a75 BA |
158 | getCurrent: function(callback) |
159 | { | |
160 | dbOperation((db) => { | |
161 | let objectStore = db.transaction('games').objectStore('games'); | |
162 | objectStore.get("*").onsuccess = function(event) { | |
163 | callback(event.target.result); | |
164 | }; | |
165 | }); | |
166 | }, | |
167 | ||
967a2686 BA |
168 | // Delete a game in indexedDB |
169 | remove: function(gameId, callback) | |
170 | { | |
171 | dbOperation((db) => { | |
172 | let transaction = db.transaction(["games"], "readwrite"); | |
173 | if (callback) | |
174 | { | |
175 | transaction.oncomplete = function() { | |
176 | callback({}); //everything's fine | |
177 | } | |
178 | transaction.onerror = function() { | |
179 | callback({errmsg: "removeGame failed: " + transaction.error}); | |
180 | }; | |
181 | } | |
182 | transaction.objectStore("games").delete(gameId); | |
183 | }); | |
184 | }, | |
185 | }; |