mongodb#Condition TypeScript Examples

private async getSessionSummary(contest: store.Contest, startSession: store.Session, endSession?: store.Session): Promise<Record<string, number>> {
		const timeWindow: Condition<number> = {
			$gte: startSession.scheduledTime
		};

		if (endSession) {
			timeWindow.$lt = endSession.scheduledTime
		}

		const games = await this.getGames({
			contestId: contest._id,
			end_time: timeWindow,
			hidden: { $ne: true }
		});

		return games.reduce<Record<string, number>>((total, game) => {
			game.finalScore.forEach((score, index) => {
				const winningTeam = contest.teams.find(t => t.players?.find(p => p._id.equals(game.players[index]._id)));
				if (!winningTeam) {
					return;
				}
				total[winningTeam._id.toHexString()] = (total[winningTeam._id.toHexString()] ?? 0) + score.uma;
			});
			return total;
		}, contest.teams.reduce((total, next) => (total[next._id.toHexString()] = 0, total), {}));
	}

constructor(private readonly mongoStore: store.Store) {
		this.app = express();
		this.app.use(cors());
		this.app.use(express.json({ limit: "1MB" }));

		this.app.get<any, store.Contest<ObjectId>[]>('/contests', (req, res) => {
			this.mongoStore.contestCollection
				.find()
				.project({
					majsoulFriendlyId: true,
					name: true,
					displayName: true,
				})
				.toArray()
				.then(contests => res.send(contests))
				.catch(error => res.status(500).send(error));
		});

		this.app.get<any, store.Contest<ObjectId>>('/contests/featured', logError(async (req, res) => {
			const [config] = await this.mongoStore.configCollection.find()
				.project({
					googleRefreshToken: false
				}).limit(1)
				.toArray();
			const query: FilterQuery<store.Contest<ObjectId>> = {};
			if (config.featuredContest != null) {
				query._id = config.featuredContest;
			}

			this.mongoStore.contestCollection
				.find(query)
				.sort({ _id: -1 })
				.limit(1)
				.project({
					_id: true
				})
				.toArray()
				.then(contests => res.send(contests[0]))
				.catch(error => res.status(500).send(error));
		}));

		this.app.get('/contests/:id',
			param("id").isMongoId(),
			withData<{ id: string }, any, Contest<ObjectId>>(async (data, req, res) => {
				const contest = await this.findContest(data.id);
				if (contest === null) {
					res.status(404).send();
					return;
				}

				const { phases } = await this.getPhases(data.id);

				res.send({ ...contest, phases });
			})
		);

		this.app.get('/contests/:id/images',
			param("id").isMongoId(),
			query("large").isBoolean().optional({nullable: false}),
			query("teams").optional({nullable: false}),
			withData<{ id: string, large: "true" | "false", teams: string }, any, store.Contest<ObjectId>>(async (data, req, res) => {
				const contest = await this.findContest(data.id, {
					projection: {
						[`teams._id`]: true,
						[`teams.image${data.large === "true" ? "Large" : ""}`]: true,
					}
				});

				if (contest === null) {
					res.status(404).send();
					return;
				}

				if (data.teams) {
					const teams = data.teams.split(' ');
					contest.teams = contest.teams.filter(team => teams.find(id => team._id.toHexString() === id))
				}

				res.send(contest);
			}));

		this.app.get<any, store.GameResult<ObjectId>>('/games/:id',
			param("id").isMongoId(),
			withData<{ id: string }, any, store.GameResult<ObjectId>>(async (data, req, res) => {
				const gameId = new ObjectId(data.id);
				const games = await this.getGames({
					_id: gameId
				});

				if (games.length < 1) {
					res.status(404).send();
					return;
				}
				res.send(games[0]);
			})
		)

		this.app.get('/contests/:id/pendingGames',
			param("id").isMongoId(),
			withData<{ id: string }, any, store.GameResult<ObjectId>[]>(async (data, req, res) => {
				const games = await this.getGames({
					contestId: new ObjectId(data.id),
					notFoundOnMajsoul: { $ne: false },
					contestMajsoulId: { $exists: false }
				});
				res.send(games);
			})
		);

		this.app.get('/contests/:id/phases',
			param("id").isMongoId(),
			withData<{ id: string }, any, Phase<ObjectId>[]>(async (data, req, res) => {
				const phaseInfo = await this.getPhases(data.id);

				if (!phaseInfo.contest) {
					res.sendStatus(404);
					return;
				}

				if (phaseInfo.contest.type === ContestType.League) {
					const phases = await this.getLeaguePhaseData(phaseInfo);
					res.send(phases);
					return;
				}

				res.sendStatus(500);
			})
		);

		this.app.get('/contests/:id/phases/active',
			param("id").isMongoId(),
			withData<{ id: string, phaseIndex: string }, any, Phase<ObjectId>>(async (data, req, res) => {
				const phaseInfo = await this.getPhases(data.id);

				if (!phaseInfo.contest) {
					res.sendStatus(404);
					return;
				}

				const now = Date.now();

				if (phaseInfo.contest.type === ContestType.League) {
					const phases = await this.getLeaguePhaseData(phaseInfo);
					res.send(phases.reverse().find(phase => phase.startTime < now));
					return;
				}

				if (phaseInfo.contest.tourneyType === TourneyContestScoringType.Cumulative) {
					res.status(500).send("Tourney subtype is not supported" as any);
					return
				}

				const phases = await this.getTourneyPhaseData(phaseInfo);
				res.send(phases.reverse().find(phase => phase.startTime < now) ?? phases[0]);
			})
		);

		this.app.get('/contests/:id/phases/:phaseIndex',
			param("id").isMongoId(),
			param("phaseIndex").isInt({ min: 0 }),
			withData<{ id: string, phaseIndex: string }, any, Phase<ObjectId>>(async (data, req, res) => {
				const phaseInfo = await this.getPhases(data.id);

				if (!phaseInfo.contest) {
					res.sendStatus(404);
					return;
				}

				const index = parseInt(data.phaseIndex);
				if (index >= phaseInfo.phases.length) {
					res.sendStatus(400);
					return;
				}

				const phases = await this.getLeaguePhaseData(phaseInfo);
				res.send(phases.find(phase => phase.index === index));
			})
		);

		this.app.get('/contests/:id/sessions',
			param("id").isMongoId(),
			withData<{ id: string }, any, Session<ObjectId>[]>(async (data, req, res) => {
				const phaseInfo = await this.getPhases(data.id);

				if (!phaseInfo.contest) {
					res.sendStatus(404);
					return;
				}

				const phases = await this.getLeaguePhaseData(phaseInfo);
				res.send(phases.reduce((total, next) =>
					total.concat(next.sessions), [])
				);
			})
		);

		this.app.get('/contests/:id/sessions/active',
			param("id").isMongoId(),
			withData<{ id: string }, any, Session<ObjectId>>(async (data, req, res) => {
				const phaseInfo = await this.getPhases(data.id);

				if (!phaseInfo.contest) {
					res.sendStatus(404);
					return;
				}

				const now = Date.now();

				const phases = await this.getLeaguePhaseData(phaseInfo);
				res.send(
					phases
						.reduce((total, next) => total.concat(next.sessions), [] as Session<ObjectId>[])
						.filter(session => session.scheduledTime < now)
						.reverse()[0]
				);
			})
		);

		this.app.get<any, store.Config<ObjectId>>('/config', (req, res) => {
			this.mongoStore.configCollection.find()
				.project({
					googleRefreshToken: false
				}).toArray()
				.then((config) => {
					if (config[0] == null) {
						res.sendStatus(404);
						return;
					}
					res.send(config[0]);
				})
				.catch(error => {
					console.log(error);
					res.status(500).send(error)
				});
		});

		this.app.get<any, GameResult<ObjectId>[]>('/games', async (req, res) => {
			const filter: FilterQuery<store.GameResult<ObjectId>> = {
				$and: [{
					$or: [
						{
							notFoundOnMajsoul: false,
						},
						{
							contestMajsoulId: { $exists: true },
						},
						{
							majsoulId: { $exists: false },
						},
					]
				}]
			};

			const contestIds = (req.query.contests as string)?.split(' ');
			if (contestIds) {
				const contests = await this.mongoStore.contestCollection.find(
					{
						$or: [
							{ majsoulFriendlyId: { $in: contestIds.map(id => parseInt(id)) } },
							{ _id: { $in: contestIds.map(id => ObjectId.isValid(id) ? ObjectId.createFromHexString(id) : null) } },
						]
					}
				).toArray();

				filter.$and.push(
					{
						$or: contestIds.map(string => ({
							contestId: { $in: contests.map(p => p._id) }
						}))
					}
				);
			}

			const sessionIds = (req.query?.sessions as string)?.split(' ');
			let sessionMap: {
				startSession: store.Session,
				endSession: store.Session
			}[] = [];
			if (sessionIds) {
				const sessions = await this.mongoStore.sessionsCollection.find({
					_id: { $in: sessionIds.map(id => new ObjectId(id)) }
				}).toArray();

				const sessionOr = [];
				for (const session of sessions) {
					let [startSession, endSession] = await this.mongoStore.sessionsCollection.find(
						{
							contestId: session.contestId,
							scheduledTime: { $gte: session.scheduledTime }
						}
					).sort({ scheduledTime: 1 }).limit(2).toArray();

					sessionMap.push({
						startSession,
						endSession
					});

					const end_time: Condition<number> = {
						$gte: startSession.scheduledTime
					}

					if (endSession != null) {
						end_time.$lt = endSession.scheduledTime;
					}

					sessionOr.push({ end_time });
				}

				filter.$and.push({ $or: sessionOr });
			}

			const cursor = this.mongoStore.gamesCollection.find(filter);

			if (!req.query?.stats) {
				cursor.project({
					rounds: false,
				});
			}

			if (req.query?.last) {
				const last = parseInt(req.query.last as string);
				if (last && !isNaN(last)) {
					cursor.sort({ end_time: -1 })
						.limit(Math.min(last, 64));
				}
			} else {
				cursor.limit(64);
			}

			try {
				const games = await this.correctGames(await cursor.toArray());
				const contests = await this.mongoStore.contestCollection.find(
					{ majsoulId: { $in: [...new Set(games.map(g => g.contestMajsoulId))] } }
				).toArray();

				res.send(
					games.map(game => ({
						...game,
						sessionId: sessionMap.find((session) =>
							game.end_time >= session.startSession.scheduledTime
							&& (session.endSession == null || game.end_time < session.endSession.scheduledTime)
						)?.startSession?._id
					})).map(game => {
						if (req.query?.stats) {
							(game as any).stats = collectStats(game, minimumVersion(game), game.players.reduce((total, next) => (total[next._id.toHexString()] = true, total), {})).map(stats => stats?.stats);
							delete game.rounds;
						}
						return game;
					})
				);
			} catch (error) {
				console.log(error);
				res.status(500).send(error)
			}
		});

		this.app.get<any, GameCorrection<ObjectId>[]>('/corrections', async (req, res) => {
			const corrections = await this.mongoStore.gameCorrectionsCollection.find({}).toArray();
			res.send(corrections);
		});

		this.app.get<any, GameResult[]>('/contests/:contestId/players/:playerId/games', async (req, res) => {
			try {
				const contestId = await this.contestExists(req.params.contestId);
				if (!contestId) {
					res.sendStatus(404);
					return;
				}

				const games = await this.getGames({
					contestId: contestId,
					hidden: { $ne: true },
					$or: [
						{ notFoundOnMajsoul: false },
						{ contestMajsoulId: { $exists: true } },
						{ majsoulId: { $exists: false } },
					],
					"players._id": ObjectId.createFromHexString(req.params.playerId)
				});

				res.send(games.map(game => ({
					...game,
					contestId: contestId
				})));
			} catch (error) {
				console.log(error);
				res.status(500).send(error)
			}
		});

		this.app.get<any, YakumanInformation[]>('/contests/:contestId/yakuman', async (req, res) => {
			try {
				const contestId = await this.contestExists(req.params.contestId);
				if (!contestId) {
					res.sendStatus(404);
					return;
				}

				const games = await this.getGames({
					contestId: contestId,
					$or: [
						{ notFoundOnMajsoul: false },
						{ contestMajsoulId: { $exists: true } }
					],
					hidden: { $ne: true }
				});

				const yakumanGames = games
					.map(game => {
						return {
							game,
							yakumanAgari: game.rounds.map(({tsumo, round, rons}) => {
								if (isAgariYakuman(
									game,
									round,
									tsumo
								)) {
									return [tsumo] as AgariInfo[];
								}

								return rons?.filter(ron => isAgariYakuman(
									game,
									round,
									ron
								)) || [] as AgariInfo[];
							}).flat()
						}
					});

				const playerMap = (await this.mongoStore.playersCollection.find(
					{
						_id: {
							$in: yakumanGames.map(({ game, yakumanAgari }) => yakumanAgari.map(agari => game.players[agari.winner]._id)).flat()
						},
					},
					{
						projection: {
							_id: true,
							nickname: true,
							displayName: true,
							majsoulId: true,
						}
					}
				).toArray()).reduce((total, next) => (total[next._id.toHexString()] = next, total), {} as Record<string, store.Player>)

				res.send(
					yakumanGames
						.map(({ game, yakumanAgari }) => yakumanAgari.map(agari => {
							const player = playerMap[game.players[agari.winner]._id.toHexString()];
							return {
								han: agari.han,
								player: {
									nickname: player.displayName ?? player.nickname,
									_id: player._id.toHexString(),
									zone: Majsoul.Api.getPlayerZone(player.majsoulId)
								},
								game: {
									endTime: game.end_time,
									majsoulId: game.majsoulId,
								}
							}
						})).flat()
				);
			} catch (error) {
				console.log(error);
				res.status(500).send(error)
			}
		});

		this.app.get('/contests/:id/players',
			param("id").isMongoId(),
			query("gameLimit").isInt({ min: 0 }).optional(),
			query("ignoredGames").isInt({ min: 0 }).optional(),
			query("teamId").isMongoId().optional(),
			withData<{
				id: string;
				teamId?: string;
				gameLimit?: string;
				ignoredGames?: string;
			}, any, ContestPlayer[]>(async (data, req, res) => {
				const contest = await this.findContest(data.id, {
					projection: {
						_id: true,
						'teams._id': true,
						'teams.players._id': true,
						majsoulFriendlyId: true,
						bonusPerGame: true,
					}
				});

				if (contest == null) {
					res.sendStatus(404);
					return;
				}

				const contestMajsoulFriendlyId = contest.majsoulFriendlyId?.toString() ?? "";

				const team = data.teamId && contest.teams.find(team => team._id.equals(data.teamId));
				if (data.teamId && !team) {
					res.status(400).send(`Team ${data.teamId} doesn't exist` as any);
					return;
				}

				const playerIds = team?.players?.map(player => player._id) ?? [];

				const gameQuery: FilterQuery<store.GameResult<ObjectId>> = {
					contestId: contest._id,
					hidden: { $ne: true },
					$or: [
						{ notFoundOnMajsoul: false },
						{ contestMajsoulId: { $exists: true } },
						{ majsoulId: { $exists: false } }
					],
				}

				if (data.teamId) {
					gameQuery["players._id"] = {
						$in: playerIds
					}
				}

				const games = await this.getGames(gameQuery);

				let gameLimit = parseInt(data.gameLimit);
				if (isNaN(gameLimit)) {
					gameLimit = Infinity;
				}

				let ignoredGames = parseInt(data.ignoredGames);
				if (isNaN(ignoredGames)) {
					ignoredGames = 0;
				}

				const playerGameInfo = games.reduce<Record<string, ContestPlayer>>((total, game) => {
					game.players.forEach((player, index) => {
						if (player == null) {
							return;
						}

						if (data.teamId && !playerIds.find(id => id.equals(player._id))) {
							return;
						}

						const id = player._id.toHexString();
						if (!(id in total)) {
							total[id] = {
								...player,
								tourneyScore: 0,
								tourneyRank: undefined,
								gamesPlayed: 0,
								team: undefined
							};
						}

						total[id].gamesPlayed++;
						if (total[id].gamesPlayed <= ignoredGames || total[id].gamesPlayed > (gameLimit + ignoredGames)) {
							return;
						}
						total[id].tourneyScore += game.finalScore[index].uma + (contest.bonusPerGame ?? 0);
					});
					return total;
				}, {});

				const seededPlayersForContest = seededPlayerNames[contestMajsoulFriendlyId] ?? [];

				const seededPlayers = await this.mongoStore.playersCollection.find(
					{ nickname: { $in: seededPlayersForContest } }
				).toArray();

				for (const seededPlayer of seededPlayers) {
					const id = seededPlayer._id.toHexString();
					if (id in playerGameInfo) {
						continue;
					}
					playerGameInfo[id] = {
						...seededPlayer,
						tourneyScore: 0,
						tourneyRank: undefined,
						gamesPlayed: 0,
						team: undefined
					};
				}

				const players = await this.mongoStore.playersCollection.find(
					{ _id: { $in: Object.values(playerGameInfo).map(p => p._id).concat(playerIds) } },
					{ projection: { majsoulId: 0 } }
				).toArray();

				res.send(
					players.map(player => ({
						...playerGameInfo[player._id.toHexString()],
						...player,
						team: {
							teams: Object.entries(sakiTeams[contestMajsoulFriendlyId] ?? {})
								.filter(([team, players]) => players.indexOf(player.nickname) >= 0)
								.map(([team, _]) => team),
							seeded: seededPlayersForContest.indexOf(player.nickname) >= 0,
						}
					}))
						.filter(player => ignoredGames == 0 || player.gamesPlayed > ignoredGames || player.team.seeded)
						.sort((a, b) => b.tourneyScore - a.tourneyScore)
						.map((p, i) => ({ ...p, tourneyRank: i }))
				);
			}));

		this.app.get('/contests/:id/stats',
			param("id").isMongoId(),
			oneOf([
				query("team").isMongoId(),
				query("player").isMongoId(),
				query("players").isEmpty(),
			]),
			withData<{
				id?: string;
				team?: string;
				player?: string;
				players?: "";
			}, any, Record<string, Stats>>(async (data, req, res) => {
				const contest = await this.findContest(data.id);
				if (!contest) {
					res.sendStatus(404);
					return;
				}

				if ([data.team, data.player, data.players].filter(option => option != null).length !== 1) {
					res.status(401).send("Only one query allowed at a time." as any);
					return;
				}

				const query: FilterQuery<Store.GameResult<ObjectId>> = {
					contestId: contest._id,
					hidden: { $ne: true }
				};

				let playerMap: Record<string, ObjectId | boolean> = null;

				if (data.team) {
					const teamId = new ObjectId(data.team);
					const team = contest.teams.find(team => team._id.equals(teamId));
					if (team == null) {
						res.status(401).send(`Team #${teamId} not found` as any);
						return;
					}

					playerMap = (team.players ?? []).reduce((total, next) => (total[next._id.toHexString()] = teamId, total), {} as Record<string, ObjectId | boolean>)
				} else if (data.player != null) {
					const playerId = new ObjectId(data.player);
					const [player] = await this.mongoStore.playersCollection.find({
						_id: playerId
					}).toArray();

					if (player === null) {
						res.status(401).send(`Player #${playerId} not found!` as any);
						return;
					}

					playerMap = {
						[data.player]: true
					}
				}

				if (playerMap) {
					query.players = {
						$elemMatch: {
							_id: {
								$in: Object.keys(playerMap).map(ObjectId.createFromHexString)
							}
						}
					}
				}

				const games = await this.getGames(query);
				const [commonVersion, latestVersion] = games.reduce(
					([common, latest], next) => (
						[
							Math.min(common, minimumVersion(next)) as StatsVersion,
							Math.max(latest, minimumVersion(next)) as StatsVersion,
						]
					),
					[latestStatsVersion, StatsVersion.Undefined]
				);
				const gameStats = games.map(game => collectStats(game, minimumVersion(game), playerMap));

				if (data.team != null) {
					res.send({
						[data.team]: mergeStats(gameStats.flat(), latestVersion)
					});
					return;
				}

				const gamesByPlayer = gameStats.reduce((total, next) => {
					for (const stats of next) {
						const id = stats.playerId.toHexString();
						total[id] ??= [];
						total[id].push(stats);
					}
					return total;
				}, {} as Record<string, Stats[]>);

				res.send(Object.entries(gamesByPlayer).reduce((total, [key, value]) => (total[key] = mergeStats(value, latestVersion), total), {}));
			})
		);

		this.app.get('/players',
			query("name").optional(),
			query("limit").isInt({ gt: 0 }).optional(),
			withData<{
				name?: string;
				limit?: string;
			}, any, store.Player<ObjectId>[]>(async (data, req, res) => {
				const regex = new RegExp(`^${escapeRegexp(data.name)}.*$`);
				const cursor = this.mongoStore.playersCollection.find(
					{
						$or: [
							{
								displayName: { $regex: regex, $options: "i" }
							},
							{
								nickname: { $regex: regex, $options: "i" }
							}
						],
					},
					{
						projection: {
							_id: true,
							nickname: true,
							displayName: true,
						},
						sort: {
							nickname: 1,
						}
					}
				)

				if (data.limit) {
					cursor.limit(parseInt(data.limit))
				}

				res.send(await cursor.toArray());
			})
		);
	}