| 1 | const db = require("../utils/database"); |
| 2 | const UserModel = require("./User"); |
| 3 | |
| 4 | /* |
| 5 | * Structure table Games: |
| 6 | * id: game id (int) |
| 7 | * vid: integer (variant id) |
| 8 | * fenStart: varchar (initial position) |
| 9 | * fen: varchar (current position) |
| 10 | * white: integer |
| 11 | * black: integer |
| 12 | * cadence: string |
| 13 | * score: varchar (result) |
| 14 | * scoreMsg: varchar ("Time", "Mutual agreement"...) |
| 15 | * created: datetime |
| 16 | * drawOffer: char ('w','b' or '' for none) |
| 17 | * rematchOffer: char (similar to drawOffer) |
| 18 | * randomness: integer |
| 19 | * deletedByWhite: boolean |
| 20 | * deletedByBlack: boolean |
| 21 | * |
| 22 | * Structure table Moves: |
| 23 | * gid: ref game id |
| 24 | * squares: varchar (description) |
| 25 | * played: datetime |
| 26 | * idx: integer |
| 27 | * |
| 28 | * Structure table Chats: |
| 29 | * gid: game id (int) |
| 30 | * msg: varchar |
| 31 | * name: varchar |
| 32 | * added: datetime |
| 33 | */ |
| 34 | |
| 35 | const GameModel = |
| 36 | { |
| 37 | checkGameInfo: function(g) { |
| 38 | return ( |
| 39 | g.vid.toString().match(/^[0-9]+$/) && |
| 40 | g.cadence.match(/^[0-9dhms +]+$/) && |
| 41 | g.randomness.match(/^[0-2]$/) && |
| 42 | g.fen.match(/^[a-zA-Z0-9, /-]*$/) && |
| 43 | g.players.length == 2 && |
| 44 | g.players.every(p => p.toString().match(/^[0-9]+$/)) |
| 45 | ); |
| 46 | }, |
| 47 | |
| 48 | create: function(vid, fen, randomness, cadence, players, cb) { |
| 49 | db.serialize(function() { |
| 50 | let query = |
| 51 | "INSERT INTO Games " + |
| 52 | "(" + |
| 53 | "vid, fenStart, fen, randomness, " + |
| 54 | "white, black, " + |
| 55 | "cadence, created" + |
| 56 | ") " + |
| 57 | "VALUES " + |
| 58 | "(" + |
| 59 | vid + ",'" + fen + "','" + fen + "'," + randomness + "," + |
| 60 | "'" + players[0] + "','" + players[1] + "," + |
| 61 | "'" + cadence + "'," + Date.now() + |
| 62 | ")"; |
| 63 | db.run(query, function(err) { |
| 64 | cb(err, { id: this.lastId }); |
| 65 | }); |
| 66 | }); |
| 67 | }, |
| 68 | |
| 69 | // TODO: some queries here could be async |
| 70 | getOne: function(id, cb) { |
| 71 | // NOTE: ignoring errors (shouldn't happen at this stage) |
| 72 | db.serialize(function() { |
| 73 | let query = |
| 74 | "SELECT " + |
| 75 | "g.id, g.vid, g.fen, g.fenStart, g.cadence, g.created, " + |
| 76 | "g.white, g.black, g.score, g.scoreMsg, " + |
| 77 | "g.drawOffer, g.rematchOffer, v.name AS vname " + |
| 78 | "FROM Games g " + |
| 79 | "JOIN Variants v " + |
| 80 | " ON g.vid = v.id " + |
| 81 | "WHERE g.id = " + id; |
| 82 | db.get(query, (err, gameInfo) => { |
| 83 | query = |
| 84 | "SELECT squares, played, idx " + |
| 85 | "FROM Moves " + |
| 86 | "WHERE gid = " + id; |
| 87 | db.all(query, (err3, moves) => { |
| 88 | query = |
| 89 | "SELECT msg, name, added " + |
| 90 | "FROM Chats " + |
| 91 | "WHERE gid = " + id; |
| 92 | db.all(query, (err4, chats) => { |
| 93 | const game = Object.assign( |
| 94 | {}, |
| 95 | gameInfo, |
| 96 | { |
| 97 | moves: moves, |
| 98 | chats: chats |
| 99 | } |
| 100 | ); |
| 101 | cb(null, game); |
| 102 | }); |
| 103 | }); |
| 104 | }); |
| 105 | }); |
| 106 | }, |
| 107 | |
| 108 | // For display on Hall: no need for moves or chats |
| 109 | getObserved: function(uid, cursor, cb) { |
| 110 | db.serialize(function() { |
| 111 | let query = |
| 112 | "SELECT g.id, g.vid, g.cadence, g.created, " + |
| 113 | " g.score, g.white, g.black " + |
| 114 | "FROM Games g "; |
| 115 | if (uid > 0) query += |
| 116 | "WHERE " + |
| 117 | " created < " + cursor + " AND " + |
| 118 | " white <> " + uid + " AND " + |
| 119 | " black <> " + uid + " "; |
| 120 | query += |
| 121 | "ORDER BY created DESC " + |
| 122 | "LIMIT 20"; //TODO: 20 hard-coded... |
| 123 | db.all(query, (err, games) => { |
| 124 | // Query players names |
| 125 | let pids = {}; |
| 126 | games.forEach(g => { |
| 127 | if (!pids[g.white]) pids[g.white] = true; |
| 128 | if (!pids[g.black]) pids[g.black] = true; |
| 129 | }); |
| 130 | UserModel.getByIds(Object.keys(pids), (err2, users) => { |
| 131 | let names = {}; |
| 132 | users.forEach(u => { names[u.id] = u.name; }); |
| 133 | cb( |
| 134 | games.map( |
| 135 | g => { |
| 136 | return { |
| 137 | id: g.id, |
| 138 | cadence: g.cadence, |
| 139 | vname: g.vname, |
| 140 | created: g.created, |
| 141 | score: g.score, |
| 142 | white: names[g.white], |
| 143 | black: names[g.black] |
| 144 | }; |
| 145 | } |
| 146 | ) |
| 147 | ); |
| 148 | }); |
| 149 | }); |
| 150 | }); |
| 151 | }, |
| 152 | |
| 153 | // For display on MyGames: registered user only |
| 154 | getRunning: function(uid, cb) { |
| 155 | db.serialize(function() { |
| 156 | let query = |
| 157 | "SELECT g.id, g.cadence, g.created, g.score, " + |
| 158 | "g.white, g.black, v.name AS vname " + |
| 159 | "FROM Games g " + |
| 160 | "JOIN Variants v " + |
| 161 | " ON g.vid = v.id " + |
| 162 | "WHERE white = " + uid + " OR black = " + uid; |
| 163 | db.all(query, (err, games) => { |
| 164 | // Get movesCount (could be done in // with next query) |
| 165 | query = |
| 166 | "SELECT gid, COUNT(*) AS nbMoves " + |
| 167 | "FROM Moves " + |
| 168 | "WHERE gid IN " + "(" + games.map(g => g.id).join(",") + ") " + |
| 169 | "GROUP BY gid"; |
| 170 | db.all(query, (err, mstats) => { |
| 171 | let movesCounts = {}; |
| 172 | mstats.forEach(ms => { movesCounts[ms.gid] = ms.nbMoves; }); |
| 173 | // Query player names |
| 174 | let pids = {}; |
| 175 | games.forEach(g => { |
| 176 | if (!pids[g.white]) pids[g.white] = true; |
| 177 | if (!pids[g.black]) pids[g.black] = true; |
| 178 | }); |
| 179 | UserModel.getByIds(pids, (err2, users) => { |
| 180 | let names = {}; |
| 181 | users.forEach(u => { names[u.id] = u.name; }); |
| 182 | cb( |
| 183 | games.map( |
| 184 | g => { |
| 185 | return { |
| 186 | id: g.id, |
| 187 | cadence: g.cadence, |
| 188 | vname: g.vname, |
| 189 | created: g.created, |
| 190 | score: g.score, |
| 191 | movesCount: movesCounts[g.id], |
| 192 | white: names[g.white], |
| 193 | black: names[g.black] |
| 194 | }; |
| 195 | } |
| 196 | ) |
| 197 | ); |
| 198 | }); |
| 199 | }); |
| 200 | }); |
| 201 | }); |
| 202 | }, |
| 203 | |
| 204 | // These games could be deleted on some side. movesCount not required |
| 205 | getCompleted: function(uid, cursor, cb) { |
| 206 | db.serialize(function() { |
| 207 | let query = |
| 208 | "SELECT g.id, g.cadence, g.created, g.score, g.scoreMsg, " + |
| 209 | "g.white, g.black, g.deletedByWhite, g.deletedByBlack, " + |
| 210 | "v.name AS vname " + |
| 211 | "FROM Games g " + |
| 212 | "JOIN Variants v " + |
| 213 | " ON g.vid = v.id " + |
| 214 | "WHERE " + |
| 215 | " created < " + cursor + " AND " + |
| 216 | " (" + |
| 217 | " (" + uid + " = white AND NOT deletedByWhite) OR " + |
| 218 | " (" + uid + " = black AND NOT deletedByBlack)" + |
| 219 | " ) "; |
| 220 | query += |
| 221 | "ORDER BY created DESC " + |
| 222 | "LIMIT 20"; |
| 223 | db.all(query, (err, games) => { |
| 224 | // Query player names |
| 225 | let pids = {}; |
| 226 | games.forEach(g => { |
| 227 | if (!pids[g.white]) pids[g.white] = true; |
| 228 | if (!pids[g.black]) pids[g.black] = true; |
| 229 | }); |
| 230 | UserModel.getByIds(pids, (err2, users) => { |
| 231 | let names = {}; |
| 232 | users.forEach(u => { names[u.id] = u.name; }); |
| 233 | cb( |
| 234 | games.map( |
| 235 | g => { |
| 236 | return { |
| 237 | id: g.id, |
| 238 | cadence: g.cadence, |
| 239 | vname: g.vname, |
| 240 | created: g.created, |
| 241 | score: g.score, |
| 242 | scoreMsg: g.scoreMsg, |
| 243 | white: names[g.white], |
| 244 | black: names[g.black], |
| 245 | deletedByWhite: g.deletedByWhite, |
| 246 | deletedByBlack: g.deletedByBlack |
| 247 | }; |
| 248 | } |
| 249 | ) |
| 250 | ); |
| 251 | }); |
| 252 | }); |
| 253 | }); |
| 254 | }, |
| 255 | |
| 256 | getPlayers: function(id, cb) { |
| 257 | db.serialize(function() { |
| 258 | const query = |
| 259 | "SELECT white, black " + |
| 260 | "FROM Games " + |
| 261 | "WHERE gid = " + id; |
| 262 | db.all(query, (err, players) => { |
| 263 | return cb(err, players); |
| 264 | }); |
| 265 | }); |
| 266 | }, |
| 267 | |
| 268 | checkGameUpdate: function(obj) { |
| 269 | // Check all that is possible (required) in obj: |
| 270 | return ( |
| 271 | ( |
| 272 | !obj.move || ( |
| 273 | !!(obj.move.played.toString().match(/^[0-9]+$/)) && |
| 274 | !!(obj.move.idx.toString().match(/^[0-9]+$/)) |
| 275 | ) |
| 276 | ) && ( |
| 277 | !obj.drawOffer || !!(obj.drawOffer.match(/^[wbtn]$/)) |
| 278 | ) && ( |
| 279 | !obj.rematchOffer || !!(obj.rematchOffer.match(/^[wbn]$/)) |
| 280 | ) && ( |
| 281 | !obj.fen || !!(obj.fen.match(/^[a-zA-Z0-9, /-]*$/)) |
| 282 | ) && ( |
| 283 | !obj.score || !!(obj.score.match(/^[012?*\/-]+$/)) |
| 284 | ) && ( |
| 285 | !obj.scoreMsg || !!(obj.scoreMsg.match(/^[a-zA-Z ]+$/)) |
| 286 | ) && ( |
| 287 | !obj.chat || UserModel.checkNameEmail({name: obj.chat.name}) |
| 288 | ) |
| 289 | ); |
| 290 | }, |
| 291 | |
| 292 | // obj can have fields move, chat, fen, drawOffer and/or score + message |
| 293 | update: function(id, obj, cb) { |
| 294 | db.parallelize(function() { |
| 295 | let query = |
| 296 | "UPDATE Games " + |
| 297 | "SET "; |
| 298 | let modifs = ""; |
| 299 | // NOTE: if drawOffer is set, we should check that it's player's turn |
| 300 | // A bit overcomplicated. Let's trust the client on that for now... |
| 301 | if (!!obj.drawOffer) |
| 302 | { |
| 303 | if (obj.drawOffer == "n") //special "None" update |
| 304 | obj.drawOffer = ""; |
| 305 | modifs += "drawOffer = '" + obj.drawOffer + "',"; |
| 306 | } |
| 307 | if (!!obj.rematchOffer) |
| 308 | { |
| 309 | if (obj.rematchOffer == "n") //special "None" update |
| 310 | obj.rematchOffer = ""; |
| 311 | modifs += "rematchOffer = '" + obj.rematchOffer + "',"; |
| 312 | } |
| 313 | if (!!obj.fen) |
| 314 | modifs += "fen = '" + obj.fen + "',"; |
| 315 | if (!!obj.score) |
| 316 | modifs += "score = '" + obj.score + "',"; |
| 317 | if (!!obj.scoreMsg) |
| 318 | modifs += "scoreMsg = '" + obj.scoreMsg + "',"; |
| 319 | if (!!obj.deletedBy) { |
| 320 | const myColor = obj.deletedBy == 'w' ? "White" : "Black"; |
| 321 | modifs += "deletedBy" + myColor + " = true,"; |
| 322 | } |
| 323 | modifs = modifs.slice(0,-1); //remove last comma |
| 324 | if (modifs.length > 0) |
| 325 | { |
| 326 | query += modifs + " WHERE id = " + id; |
| 327 | db.run(query); |
| 328 | } |
| 329 | // NOTE: move, chat and delchat are mutually exclusive |
| 330 | if (!!obj.move) |
| 331 | { |
| 332 | // Security: only update moves if index is right |
| 333 | query = |
| 334 | "SELECT MAX(idx) AS maxIdx " + |
| 335 | "FROM Moves " + |
| 336 | "WHERE gid = " + id; |
| 337 | db.get(query, (err,ret) => { |
| 338 | const m = obj.move; |
| 339 | if (!ret.maxIdx || ret.maxIdx + 1 == m.idx) { |
| 340 | query = |
| 341 | "INSERT INTO Moves (gid, squares, played, idx) VALUES " + |
| 342 | "(" + id + ",?," + m.played + "," + m.idx + ")"; |
| 343 | db.run(query, JSON.stringify(m.squares)); |
| 344 | cb(null); |
| 345 | } |
| 346 | else cb({errmsg:"Wrong move index"}); |
| 347 | }); |
| 348 | } |
| 349 | else cb(null); |
| 350 | if (!!obj.chat) |
| 351 | { |
| 352 | query = |
| 353 | "INSERT INTO Chats (gid, msg, name, added) VALUES (" |
| 354 | + id + ",?,'" + obj.chat.name + "'," + Date.now() + ")"; |
| 355 | db.run(query, obj.chat.msg); |
| 356 | } |
| 357 | else if (obj.delchat) |
| 358 | { |
| 359 | query = |
| 360 | "DELETE " + |
| 361 | "FROM Chats " + |
| 362 | "WHERE gid = " + id; |
| 363 | db.run(query); |
| 364 | } |
| 365 | if (!!obj.deletedBy) { |
| 366 | // Did my opponent delete it too? |
| 367 | let selection = |
| 368 | "deletedBy" + |
| 369 | (obj.deletedBy == 'w' ? "Black" : "White") + |
| 370 | " AS deletedByOpp"; |
| 371 | query = |
| 372 | "SELECT " + selection + " " + |
| 373 | "FROM Games " + |
| 374 | "WHERE id = " + id; |
| 375 | db.get(query, (err,ret) => { |
| 376 | // If yes: just remove game |
| 377 | if (!!ret.deletedByOpp) GameModel.remove(id); |
| 378 | }); |
| 379 | } |
| 380 | }); |
| 381 | }, |
| 382 | |
| 383 | remove: function(id_s) { |
| 384 | const suffix = |
| 385 | Array.isArray(id_s) |
| 386 | ? " IN (" + id_s.join(",") + ")" |
| 387 | : " = " + id_s; |
| 388 | db.parallelize(function() { |
| 389 | let query = |
| 390 | "DELETE FROM Games " + |
| 391 | "WHERE id " + suffix; |
| 392 | db.run(query); |
| 393 | query = |
| 394 | "DELETE FROM Moves " + |
| 395 | "WHERE gid " + suffix; |
| 396 | db.run(query); |
| 397 | query = |
| 398 | "DELETE FROM Chats " + |
| 399 | "WHERE gid " + suffix; |
| 400 | db.run(query); |
| 401 | }); |
| 402 | }, |
| 403 | |
| 404 | cleanGamesDb: function() { |
| 405 | const tsNow = Date.now(); |
| 406 | // 86400000 = 24 hours in milliseconds |
| 407 | const day = 86400000; |
| 408 | db.serialize(function() { |
| 409 | let query = |
| 410 | "SELECT id, created " + |
| 411 | "FROM Games"; |
| 412 | db.all(query, (err, games) => { |
| 413 | query = |
| 414 | "SELECT gid, count(*) AS nbMoves, MAX(played) AS lastMaj " + |
| 415 | "FROM Moves " + |
| 416 | "GROUP BY gid"; |
| 417 | db.get(query, (err2, mstats) => { |
| 418 | // Reorganize moves data to avoid too many array lookups: |
| 419 | let movesGroups = {}; |
| 420 | mstats.forEach(ms => { |
| 421 | movesGroups[ms.gid] = { |
| 422 | nbMoves: ms.nbMoves, |
| 423 | lastMaj: ms.lastMaj |
| 424 | }; |
| 425 | }); |
| 426 | // Remove games still not really started, |
| 427 | // with no action in the last 3 months: |
| 428 | let toRemove = []; |
| 429 | games.forEach(g => { |
| 430 | if ( |
| 431 | ( |
| 432 | !movesGroups[g.id] && |
| 433 | tsNow - g.created > 91*day |
| 434 | ) |
| 435 | || |
| 436 | ( |
| 437 | movesGroups[g.id].nbMoves == 1 && |
| 438 | tsNow - movesGroups[g.id].lastMaj > 91*day |
| 439 | ) |
| 440 | ) { |
| 441 | toRemove.push(g.id); |
| 442 | } |
| 443 | }); |
| 444 | if (toRemove.length > 0) GameModel.remove(toRemove); |
| 445 | }); |
| 446 | }); |
| 447 | }); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | module.exports = GameModel; |