Big update

src/Controllers/kadiUserController.ts

@@ -27,7 +27,7 @@ export const changeLang: RequestHandler = async (req, res) => {
 export const addGuest: RequestHandler = async (req, res) => {
     const user = (req.user as KadiUser);
     if (req.body.guestName) {
-        const newGuest: Player = await KadiUserCollection.addGuestForUser(user, req.body.guestName);
+        const newGuest: Player = await KadiUserCollection().addGuestForUser(user, req.body.guestName);
         res.send({
             username: user.getUsername(),
             userId: user.getId(),
@@ -47,9 +47,9 @@ export const updateGuest: RequestHandler = async (req, res) => {
     const {id: guestId} = req.params;
     if (req.body.newName) {
         const {newName} = req.body;
-        const guest = await PlayerCollection.read(guestId);
+        const guest = await PlayerCollection().read(guestId);
         guest.setNick(newName);
-        const updatedGuest = await PlayerCollection.save(guest);
+        const updatedGuest = await PlayerCollection().save(guest);
         res.status(200).send({
             userId: user.getId(),
             username: user.getUsername(),
@@ -67,7 +67,7 @@ export const updateGuest: RequestHandler = async (req, res) => {
 export const getGuest: RequestHandler = async (req, res) => {
     const user = (req.user as KadiUser);
     const {id: guestId} = req.params;
-    const guest = await PlayerCollection.read(guestId);
+    const guest = await PlayerCollection().read(guestId);
     res.status(200).send({
         userId: user.getId(),
         username: user.getUsername(),
@@ -78,7 +78,7 @@ export const getGuest: RequestHandler = async (req, res) => {
 export const deleteGuest: RequestHandler = async (req, res) => {
     const user = (req.user as KadiUser);
     const {id: guestId} = req.params;
-    const deletedGuest = await KadiUserCollection.deleteGuestFromUser(user, guestId);
+    const deletedGuest = await KadiUserCollection().deleteGuestFromUser(user, guestId);
     res.status(200).send({
         userId: user.getId(),
         username: user.getUsername(),
@@ -88,7 +88,7 @@ export const deleteGuest: RequestHandler = async (req, res) => {
 
 export const getGuests: RequestHandler = async (req, res) => {
     const user = (req.user as KadiUser);
-    const guests = await KadiUserCollection.getAllGuestsForUser(user);
+    const guests = await KadiUserCollection().getAllGuestsForUser(user);
     res.status(200).send({
         userId: user.getId(),
         username: user.getUsername(),
@@ -98,7 +98,7 @@ export const getGuests: RequestHandler = async (req, res) => {
 
 export const getAllPlayersAssociatedWithAccount: RequestHandler = async (req, res) => {
     const user = (req.user as KadiUser);
-    const guests = await KadiUserCollection.getAllGuestsForUser(user);
+    const guests = await KadiUserCollection().getAllGuestsForUser(user);
-    const mainPlayer = await KadiUserCollection.getMainPlayerForUser(user);
+    const mainPlayer = await KadiUserCollection().getMainPlayerForUser(user);
     res.status(200).send({guests, mainPlayer});
 };

src/Controllers/rulesetController.ts

@@ -0,0 +1,7 @@
+import {RequestHandler} from "express";
+import RulesetCollection from "../ObjectCollections/RulesetCollection";
+
+export const getRuleset: RequestHandler = async (req, res) => {
+    const ruleset = await RulesetCollection().read(req.params.id);
+    res.json(ruleset.getSchemaJSON());
+};

src/Controllers/signupController.ts

@@ -24,7 +24,7 @@ export const showRegistrationPage: RequestHandler = (req, res) => {
 export const registerNewUser: RequestHandler = async (req, res) => {
     try {
         const loginDetails: LoginDetails = req.body as LoginDetails;
-        const newUser = await KadiUserCollection.registerUser(loginDetails);
+        const newUser = await KadiUserCollection().registerUser(loginDetails);
         req.login(newUser, (err) => {
             if (err) {
                 throw err;
@@ -54,7 +54,7 @@ export const logoutUser: RequestHandler = (req, res) => {
 };
 
 export const authenticateKadiUser: VerifyFunction = async (email, password, done) => {
-    const user = await KadiUserCollection.findByEmail(email);
+    const user = await KadiUserCollection().findByEmail(email);
     if (!user) {
         return done(null, false, { message: "A user with that email does not exist."} );
     }
@@ -75,6 +75,6 @@ export async function serializeKadiUser(user: KadiUser, done: (err: any, id?: un
 }
 
 export async function deserializeKadiUser(id: string, done: (err: any, id?: unknown) => void): Promise<void> {
-    const user: KadiUser | null = await KadiUserCollection.getSerializedAuthUser(id);
+    const user: KadiUser | null = await KadiUserCollection().read(id);
     done(null, user);
 }

src/Controllers/statsController.ts

@@ -9,12 +9,18 @@ import RulesetCollection from "../ObjectCollections/RulesetCollection";
 import Ruleset from "../Objects/Ruleset";
 import {OutcomeType} from "../Objects/DefaultStatsMongoData";
 
-export interface GameSubmission {
+interface GameSubmission {
-    rulesetId: string;
+    ruleset: string;
     players: { id: string; nick: string }[];
     results: PlayerGameResult[];
 }
 
+export interface ProcessedGameSubmission {
+    ruleset: string;
+    players: {id: string, nick: string}[];
+    results: ScoredResultsWithOutcome[];
+}
+
 type PlayerGameResult = { playerId: string; blocks: Record<string, Block> };
 type Block = { cells: Record<string, Cell> };
 type Cell = { value: CellValue };
@@ -27,11 +33,11 @@ enum ResultType {
 }
 
 type ScoredResults = {score: number, results: PlayerGameResult};
-type ScoredResultsWithOutcome = {score: number, results: PlayerGameResult & {outcome: OutcomeType}};
+export type ScoredResultsWithOutcome = {score: number, results: PlayerGameResult & {outcome: OutcomeType}};
 
 export const listGames: RequestHandler = async (req, res) => {
     const user = req.user as KadiUser;
-    const gamesList = await KadiUserCollection.getSavedGamesForUser(user);
+    const gamesList = await KadiUserCollection().getSavedGamesForUser(user);
     if (gamesList) {
         res.json({ games: gamesList });
     }
@@ -47,17 +53,32 @@ export const saveGame: RequestHandler = async (req, res) => {
     if (newGuests.length > 0) {
         fillOutSubmissionWithNewIds(submission, newGuests);
     }
-    const newGame = await KadiUserCollection.addGameForUser(user, submission);
+    const rulesetUsed = await RulesetCollection().read(submission.ruleset);
-        processStats(await RulesetCollection.read(submission.rulesetId), submission.results, user);
+    const scoredResultsWithOutcomes = await processStats(rulesetUsed, submission.results, user);
+    const newGame = await KadiUserCollection().addGameForUser(user, {...submission, results: scoredResultsWithOutcomes});
     res.send({ message: "Game submitted successfully!", newGame: newGame });
 };
 
+export const getStats: RequestHandler = async (req, res) => {
+    const user = req.user as KadiUser;
+    const stats = await KadiUserCollection().getAllStatsForUser(user);
+    if (stats) {
+        res.json({
+            pStats: stats.pStats.map(pStats => ({...pStats, stats: pStats.stats.getData()})),
+            accStats: stats.accStats.getData()
+        });
+    }
+    else {
+        res.sendStatus(404);
+    }
+};
+
 async function addNewGuests(submission: GameSubmission, user: KadiUser): Promise<Player[]> {
     const newGuestIds: Player[] = [];
     for (const playerDetails of submission.players) {
         const isNewPlayer = playerDetails.id === playerDetails.nick;
         if (isNewPlayer) {
-            const newGuest: Player = await KadiUserCollection.addGuestForUser(user, playerDetails.nick);
+            const newGuest: Player = await KadiUserCollection().addGuestForUser(user, playerDetails.nick);
             newGuestIds.push(newGuest);
         }
     }
@@ -68,17 +89,17 @@ function fillOutSubmissionWithNewIds(submission: GameSubmission, newGuestList: P
     for (const newGuest of newGuestList) {
         const gameResultsFromNewGuest = submission.results.find((result) => result.playerId === newGuest.getNick());
         if (gameResultsFromNewGuest) {
-            gameResultsFromNewGuest.playerId = newGuest.getId();
+            gameResultsFromNewGuest.playerId = newGuest.getId().toString();
         }
         const playerEntryForNewGuest = submission.players.find((player) => player.id === newGuest.getNick());
         if (playerEntryForNewGuest) {
-            playerEntryForNewGuest.id = newGuest.getId();
+            playerEntryForNewGuest.id = newGuest.getId().toString();
         }
     }
     return submission;
 }
 
-async function processStats(ruleset: Ruleset, results: PlayerGameResult[], account: KadiUser) {
+async function processStats(ruleset: Ruleset, results: PlayerGameResult[], account: KadiUser): Promise<ScoredResultsWithOutcome[]> {
     const calc = new ScoreCalculator(ruleset);
     let playerScoreList: ScoredResults[] = [];
     for (const result of results) {
@@ -88,59 +109,60 @@ async function processStats(ruleset: Ruleset, results: PlayerGameResult[], accou
             results: result
         });
     }
-    const playerScoreListWithOutcomes = updateScoreListWithOutcomes(playerScoreList, ruleset);
+    const playerScoreListWithOutcomes = updateScoreListWithOutcomes(playerScoreList);
-    updateStatsForIndividualPlayers(playerScoreListWithOutcomes, ruleset);
+    await updateStatsForIndividualPlayers(playerScoreListWithOutcomes, ruleset);
     const gameResults = playerScoreListWithOutcomes.map(scoredResults => scoredResults.results);
-    await KadiUserCollection.updateAccountStats(account.getId(), gameResults, ruleset);
+    await KadiUserCollection().updateAccountStats(account.getId(), gameResults, ruleset);
+    return playerScoreListWithOutcomes;
 }
 
-function updateScoreListWithOutcomes(playerScoreList: ScoredResults[], rulesetUsed: Ruleset): ScoredResultsWithOutcome[] {
+function updateScoreListWithOutcomes(scoreResultsList: ScoredResults[]): ScoredResultsWithOutcome[] {
-    playerScoreList = sortDescendingByScore(playerScoreList);
+    scoreResultsList = sortDescendingByScore(scoreResultsList);
-    const playerScoreListWithOutcomes: ScoredResultsWithOutcome[] = playerScoreList.map(scoredResults => {
+    const playerScoreListWithOutcomes: ScoredResultsWithOutcome[] = scoreResultsList.map(scoredResults => {
         const newResults = {...scoredResults.results, outcome: OutcomeType.loss};
         return {...scoredResults, results: newResults};
     });
     let runnerUpsStart: number;
     if (playerScoreListWithOutcomes[0].score !== playerScoreListWithOutcomes[1].score) {
         playerScoreListWithOutcomes[0].results.outcome = OutcomeType.win;
-
         runnerUpsStart = 1;
     }
     else {
-        runnerUpsStart = updateScoreListWithDraws(playerScoreListWithOutcomes, rulesetUsed);
+        runnerUpsStart = updateScoreListWithDraws(playerScoreListWithOutcomes);
     }
-    const losersStart = updateScoreListWithRunnerUps(playerScoreListWithOutcomes.slice(runnerUpsStart), rulesetUsed);
+    const losersStart = updateScoreListWithRunnerUps(playerScoreListWithOutcomes, runnerUpsStart);
-    updateScoreListWithLosses(playerScoreListWithOutcomes.slice(losersStart), rulesetUsed);
+    updateScoreListWithLosses(playerScoreListWithOutcomes, losersStart);
     return playerScoreListWithOutcomes;
 }
 
-function updateScoreListWithDraws(playerScoreList: ScoredResultsWithOutcome[], rulesetUsed: Ruleset): number {
+function updateScoreListWithDraws(scoreResultsList: ScoredResultsWithOutcome[]): number {
-    for (let i = 0; i < playerScoreList.length; i++) {
+    for (let i = 0; i < scoreResultsList.length; i++) {
-        if (playerScoreList[i].score === playerScoreList[0].score) {
+        if (scoreResultsList[i].score === scoreResultsList[0].score) {
-            playerScoreList[i].results.outcome = OutcomeType.draw;
+            scoreResultsList[i].results.outcome = OutcomeType.draw;
         }
         else {
             return i;
         }
     }
-    return playerScoreList.length;
+    return scoreResultsList.length;
 }
 
-function updateScoreListWithRunnerUps(playerScoreList: ScoredResultsWithOutcome[], rulesetUsed: Ruleset): number {
+function updateScoreListWithRunnerUps(scoreResultsList: ScoredResultsWithOutcome[], runnerUpsStartIndex: number): number {
-    for (let i = 0; i < playerScoreList.length; i++) {
+    scoreResultsList[runnerUpsStartIndex].results.outcome = OutcomeType.runnerUp;
-        if (playerScoreList[i].score === playerScoreList[0].score) {
+    for (let i = runnerUpsStartIndex + 1; i < scoreResultsList.length; i++) {
-            playerScoreList[i].results.outcome = OutcomeType.runnerUp;
+        if (scoreResultsList[i].score === scoreResultsList[i - 1].score) {
+            scoreResultsList[i].results.outcome = OutcomeType.runnerUp;
         }
         else {
             return i;
         }
     }
-    return playerScoreList.length;
+    return scoreResultsList.length;
 }
 
-function updateScoreListWithLosses(scoreResultsList: ScoredResultsWithOutcome[], rulesetUsed: Ruleset) {
+function updateScoreListWithLosses(scoreResultsList: ScoredResultsWithOutcome[], losersStartIndex: number) {
-    for (const lostPlayerResults of scoreResultsList) {
+    for (let i = losersStartIndex; i < scoreResultsList.length; i++) {
-        lostPlayerResults.results.outcome = OutcomeType.loss;
+        scoreResultsList[i].results.outcome = OutcomeType.loss;
     }
 }
 
@@ -148,9 +170,9 @@ function sortDescendingByScore(playerScoreList: ScoredResults[]) {
     return playerScoreList.sort((a, b) => b.score - a.score);
 }
 
-function updateStatsForIndividualPlayers(playerScoreListWithOutcomes: ScoredResultsWithOutcome[], rulesetUsed: Ruleset): void {
+async function updateStatsForIndividualPlayers(playerScoreListWithOutcomes: ScoredResultsWithOutcome[], rulesetUsed: Ruleset): Promise<void> {
     for (const scoredResults of playerScoreListWithOutcomes) {
-        PlayerCollection.updateStatsForPlayer(
+        await PlayerCollection().updateStatsForPlayer(
             scoredResults.results.playerId,
             {...scoredResults.results, outcome: scoredResults.results.outcome},
             rulesetUsed);

src/ObjectCollections/CollectionRegistry.ts

@@ -0,0 +1 @@
+

src/ObjectCollections/KadiUserCollection.ts

@@ -1,5 +1,4 @@
-import {CredentialsTakenError, GenericPersistenceError} from "../errors";
+import {CredentialsTakenError} from "../errors";
-import mongo from "mongodb";
 import bcrypt from "bcrypt";
 import {SupportedLang} from "../enums";
 import {AccountStatsMongoData, defaultAccountStatsMongoData, OutcomeType, PlayerGameResults} from "../Objects/DefaultStatsMongoData";
@@ -11,13 +10,14 @@ import SavedGameCollection from "./SavedGameCollection";
 import SavedGame from "../Objects/SavedGame";
 import PlayerCollection from "../ObjectCollections/PlayerCollection";
 import Player from "../Objects/Player";
-import {GameSubmission} from "../controllers/statsController";
+import {ProcessedGameSubmission} from "../Controllers/statsController";
 import Ruleset from "../Objects/Ruleset";
 import RulesetCollection from "./RulesetCollection";
 import AccountStats from "../Objects/AccountStats";
+import PlayerStats from "../Objects/PlayerStats";
 
 export interface KadiUserMongoData {
-    id: string;
+    id: ActiveRecordId;
     username: string;
     email: string;
     password: string;
@@ -30,8 +30,20 @@ export interface KadiUserMongoData {
 }
 
 class KadiUserCollection extends MongoStoredObjectCollection<KadiUserMongoData> {
-    constructor(collectionClient: mongo.Collection) {
+    private static instance?: KadiUserCollection;
-        super(collectionClient);
+    private constructor() {
+        super();
+    }
+
+    static getInstance(): KadiUserCollection {
+        if (KadiUserCollection.instance === undefined) {
+            KadiUserCollection.instance = new KadiUserCollection();
+        }
+        return KadiUserCollection.instance;
+    }
+
+    async init() {
+        this.mongoDbClientCollection = getMongoObjectCollection("users")
     }
 
     private kadiUserFrom(data: KadiUserMongoData): KadiUser {
@@ -70,7 +82,7 @@ class KadiUserCollection extends MongoStoredObjectCollection<KadiUserMongoData>
     }
 
     private async addNewUser(loginDetails: LoginDetails): Promise<KadiUser> {
-        const newPlayer = await PlayerCollection.create(loginDetails.username);
+        const newPlayer = await PlayerCollection().create(loginDetails.username);
         const securePassword = await this.makePasswordSecure(loginDetails.password);
         const newUser = await this.mongoCreate({
             username: loginDetails.username,
@@ -96,58 +108,52 @@ class KadiUserCollection extends MongoStoredObjectCollection<KadiUserMongoData>
         return object !== null;
     }
 
-    async getSerializedAuthUser(id: string): Promise<KadiUser> {
-        const foundUser = await this.mongoRead(id);
-        if (foundUser) {
-            return this.kadiUserFrom(foundUser);
-        }
-        else {
-            throw new GenericPersistenceError("User not found!");
-        }
-    }
-
     async makePasswordSecure(password: string): Promise<string> {
         return bcrypt.hash(password, 10);
     }
 
     async addGuestForUser(userOrId: OrId<KadiUser>, newGuestNick: string): Promise<Player> {
-        const newGuest = await PlayerCollection.create(newGuestNick);
+        const newGuest = await PlayerCollection().create(newGuestNick);
-        await this.mongoDbClientCollection.findOneAndUpdate(
+        await this.mongoDbClientCollection!.findOneAndUpdate(
             {_id: this.idFromRecordOrId(userOrId)},
             {$push: {guests: newGuest.getId()}});
         return newGuest;
     }
 
     async deleteGuestFromUser(userOrId: OrId<KadiUser>, guestOrGuestId: OrId<Player>): Promise<Player> {
-        const deletedGuest = await PlayerCollection.delete(this.idFromRecordOrId(guestOrGuestId));
+        const deletedGuest = await PlayerCollection().delete(this.idFromRecordOrId(guestOrGuestId));
-        await this.mongoDbClientCollection.findOneAndUpdate(
+        await this.mongoDbClientCollection!.findOneAndUpdate(
             {_id: this.idFromRecordOrId(userOrId)},
-            {$pull: {guests: this.idFromRecordOrId(guestOrGuestId)}});
+            {$pull: {guests: this.idFromRecordOrId(deletedGuest)}});
         return deletedGuest;
     }
 
-    async getAllGuestsForUser(userOrId: OrId<KadiUser>): Promise<Promise<Player>[]> {
+    async getAllGuestsForUser(userOrId: OrId<KadiUser>): Promise<Player[]> {
         const guestIdList = (await this.mongoRead(this.idFromRecordOrId(userOrId)))?.guests;
-        return guestIdList.map(async (guestId) => {
+        return Promise.all<Player>(
-            return await PlayerCollection.read(guestId);
+            guestIdList.map(async (guestId) => {
-        });
+                return await PlayerCollection().read(guestId);
+            }
+        ));
     }
 
     async getMainPlayerForUser(userOrId: OrId<KadiUser>): Promise<Player> {
         const userData = await this.mongoRead(this.idFromRecordOrId(userOrId));
-        return PlayerCollection.read(userData?.player);
+        return PlayerCollection().read(userData?.player);
     }
 
-    async getSavedGamesForUser(userOrId: OrId<KadiUser>): Promise<Promise<SavedGame>[]> {
+    async getSavedGamesForUser(userOrId: OrId<KadiUser>): Promise<SavedGame[]> {
         const savedGameIds = (await this.mongoRead(this.idFromRecordOrId(userOrId)))?.savedGames;
-        return savedGameIds.map(async (savedGameId) => {
+        return Promise.all<SavedGame>(
-            return await SavedGameCollection.read(savedGameId);
+            savedGameIds.map(async (savedGameId) => {
-        });
+                return await SavedGameCollection().read(savedGameId);
+            }
+        ));
     }
 
-    async addGameForUser(userOrId: OrId<KadiUser>, gameSubmission: GameSubmission): Promise<SavedGame> {
+    async addGameForUser(userOrId: OrId<KadiUser>, submission: ProcessedGameSubmission): Promise<SavedGame> {
-        const newGame = await SavedGameCollection.create(gameSubmission);
+        const newGame = await SavedGameCollection().create(submission);
-        await this.mongoDbClientCollection.findOneAndUpdate(
+        await this.mongoDbClientCollection!.findOneAndUpdate(
             {_id: this.idFromRecordOrId(userOrId)},
             {$push: {savedGames: newGame.getId()}});
         return newGame;
@@ -155,16 +161,36 @@ class KadiUserCollection extends MongoStoredObjectCollection<KadiUserMongoData>
 
     async updateAccountStats(userOrId: OrId<KadiUser>, gameResults: (PlayerGameResults & {outcome: OutcomeType})[], rulesetUsedOrId: OrId<Ruleset>): Promise<void> {
         const userId = this.idFromRecordOrId(userOrId);
-        const rulesetUsed = rulesetUsedOrId instanceof Ruleset ? rulesetUsedOrId : await RulesetCollection.read(rulesetUsedOrId);
+        const rulesetUsed = rulesetUsedOrId instanceof Ruleset ? rulesetUsedOrId : await RulesetCollection().read(rulesetUsedOrId);
-        const accountStatsMongoData = await this.mongoRead(userId);
+        const accountStatsMongoData = (await this.mongoRead(userId)).accountStats;
-        const accountStatsObject = new AccountStats(accountStatsMongoData.accountStats);
+        const accountStatsObject = new AccountStats(accountStatsMongoData);
         accountStatsObject.updateStats(gameResults, rulesetUsed);
         this.mongoUpdate({
-            id: this.idFromRecordOrId(userId),
+            id: userId,
             accountStats: accountStatsObject.getData()
         });
     }
+
+    async getAllStatsForUser(userOrId: OrId<KadiUser>): Promise<StatsListing> {
+        const players = [...(await this.getAllGuestsForUser(userOrId)), await this.getMainPlayerForUser(userOrId)];
+        const playerStats = players.map(player => ({
+            nick: player.getNick(),
+            playerId: player.getId(),
+            stats: player.getStats()
+        }));
+        const accountStatsMongoData = (await this.mongoRead(this.idFromRecordOrId(userOrId))).accountStats;
+        const accountStats = new AccountStats(accountStatsMongoData);
+        return {pStats: playerStats, accStats: accountStats};
+    }
 }
 
-const KadiUserCollectionSingleton = new KadiUserCollection(getMongoObjectCollection("users"));
+export interface StatsListing {
-export default KadiUserCollectionSingleton;
+    accStats: AccountStats;
+    pStats: {
+        nick: string,
+        playerId: ActiveRecordId,
+        stats: PlayerStats
+    }[];
+}
+
+export default KadiUserCollection.getInstance;

src/ObjectCollections/MongoStoredObjectCollection.ts

@@ -5,35 +5,47 @@ import ActiveRecord, {ActiveRecordId} from "../Objects/ActiveRecord";
 
 
 abstract class MongoStoredObjectCollection<IRawData extends {id: ActiveRecordId}> {
+    protected mongoDbClientCollection?: mongo.Collection;
+    protected constructor() {}
 
-    protected constructor(protected mongoDbClientCollection: mongo.Collection) {}
+    abstract init(): Promise<void>;
 
     protected async mongoCreate(objectData: Omit<IRawData, "id">): Promise<IRawData> {
         return tryQuery(async () => {
-            const insertOneWriteOpResult = await this.mongoDbClientCollection.insertOne(objectData);
+            const insertOneWriteOpResult = await this.mongoDbClientCollection!.insertOne(objectData);
             if (insertOneWriteOpResult.result.ok === 1) {
-                return insertOneWriteOpResult.ops[0]
+                const newObject = insertOneWriteOpResult.ops[0];
+                newObject.id = newObject._id;
+                newObject._id = undefined;
+                return insertOneWriteOpResult.ops[0];
             } else {
                 throw new MongoError(`Error creating the object: ${JSON.stringify(objectData)}`);
             }
         });
     }
 
-    protected async mongoRead(id: string): Promise<IRawData> {
+    protected async mongoRead(id: ActiveRecordId): Promise<IRawData> {
         return tryQuery(async () => {
-            const result = await this.mongoDbClientCollection.findOne({_id: id});
+            const result = await this.mongoDbClientCollection!.findOne({_id: new mongo.ObjectID(id)});
             if (result) {
+                result.id = result._id;
+                result._id = undefined;
                 return result;
             } else {
-                throw new InvalidIdError(`Object in collection "${typeof this}" with id ${JSON.stringify(id)} not found!`);
+                throw new InvalidIdError(`Object in collection "${this.constructor.name}" with id ${JSON.stringify(id)} not found!`);
             }
         });
     }
 
     protected async mongoFindByAttribute(attribute: string, value: any): Promise<IRawData | null> {
-        return tryQuery(async () =>
+        return tryQuery(async () => {
-            await this.mongoDbClientCollection.findOne({[attribute]: value})
+            const result = await this.mongoDbClientCollection!.findOne({[attribute]: value});
-        );
+            if (result) {
+                result.id = result._id;
+                result._id = undefined;
+            }
+            return result;
+        });
     }
 
     protected async mongoDelete(objectId: ActiveRecordId, returnObject?: boolean): Promise<IRawData | void> {
@@ -41,7 +53,7 @@ abstract class MongoStoredObjectCollection<IRawData extends {id: ActiveRecordId}
         if (returnObject ?? true) {
             deletedObject = await this.mongoRead(objectId);
         }
-        const deleteWriteOpResult = await this.mongoDbClientCollection.deleteOne({_id: objectId});
+        const deleteWriteOpResult = await this.mongoDbClientCollection!.deleteOne({_id: objectId});
         if (deleteWriteOpResult.result.ok === 1) {
             return deletedObject;
         } else {
@@ -49,16 +61,17 @@ abstract class MongoStoredObjectCollection<IRawData extends {id: ActiveRecordId}
         }
     }
 
-    protected async mongoUpdate(object: Partial<IRawData> & {id: ActiveRecordId}) {
+    protected async mongoUpdate(object: Partial<IRawData>) {
         await tryQuery(() =>
-            this.mongoDbClientCollection.findOneAndUpdate({_id: object.id}, {$set: {...object, id: undefined}})
+            this.mongoDbClientCollection!.findOneAndUpdate({_id: object.id}, {$set: {...object, id: undefined}})
         );
     }
 
     protected idFromRecordOrId<T extends ActiveRecord>(recordOrRecordId: T | ActiveRecordId): ActiveRecordId {
-        return typeof recordOrRecordId === "string" ? recordOrRecordId : recordOrRecordId.getId();
+        return recordOrRecordId instanceof mongo.ObjectId || typeof recordOrRecordId === "string" ?
+            recordOrRecordId :
+            recordOrRecordId.getId();
     }
 }
 
-
 export default MongoStoredObjectCollection;

src/ObjectCollections/PlayerCollection.ts

@@ -1,5 +1,4 @@
 import MongoStoredObjectCollection from "./MongoStoredObjectCollection";
-import mongo from "mongodb";
 import {
     defaultPlayerStatsMongoData,
     OutcomeType,
@@ -14,18 +13,30 @@ import Ruleset from "../Objects/Ruleset";
 import RulesetCollection from "./RulesetCollection";
 
 export interface PlayerMongoData {
-    id: string;
+    id: ActiveRecordId;
     nick: string;
-    stats?: PlayerStatsMongoData;
+    stats: PlayerStatsMongoData;
 }
 
 class PlayerCollection extends MongoStoredObjectCollection<PlayerMongoData> {
-    constructor(collectionClient: mongo.Collection) {
+    private static instance?: PlayerCollection;
-        super(collectionClient);
+    constructor() {
+        super();
+    }
+
+    static getInstance(): PlayerCollection {
+        if (PlayerCollection.instance === undefined) {
+            PlayerCollection.instance = new PlayerCollection();
+        }
+        return PlayerCollection.instance;
+    }
+
+    async init() {
+        this.mongoDbClientCollection = getMongoObjectCollection("players");
     }
 
     private playerFrom(data: PlayerMongoData): Player {
-        return new Player(data.id, data.nick, data.stats ? new PlayerStats(data.stats) : undefined);
+        return new Player(data.id, data.nick, new PlayerStats(data.stats));
     }
 
     async create(nick: string): Promise<Player> {
@@ -47,16 +58,15 @@ class PlayerCollection extends MongoStoredObjectCollection<PlayerMongoData> {
     }
 
     async updateStatsForPlayer(playerOrId: OrId<Player>, gameResults: PlayerGameResults & {outcome: OutcomeType}, rulesetUsedOrId: OrId<Ruleset>): Promise<void> {
-        playerOrId = playerOrId instanceof Player ? playerOrId : await this.read(playerOrId);
+        const player = playerOrId instanceof Player ? playerOrId : await this.read(playerOrId);
-        rulesetUsedOrId = rulesetUsedOrId instanceof Ruleset ? rulesetUsedOrId : await RulesetCollection.read(rulesetUsedOrId);
+        const ruleset = rulesetUsedOrId instanceof Ruleset ? rulesetUsedOrId : await RulesetCollection().read(rulesetUsedOrId);
-        playerOrId.updateStats(gameResults, rulesetUsedOrId);
+        player.updateStats(gameResults, ruleset);
         this.mongoUpdate({
-            id: this.idFromRecordOrId(playerOrId),
+            id: this.idFromRecordOrId(player),
-            stats: playerOrId.getStats()?.getData()
+            stats: player.getStats()?.getData()
         });
     }
 }
 
 
-const PlayerCollectionSingleton = new PlayerCollection(getMongoObjectCollection("players"));
+export default PlayerCollection.getInstance;
-export default PlayerCollectionSingleton;

src/ObjectCollections/RulesetCollection.ts

@@ -1,21 +1,33 @@
 import MongoStoredObjectCollection from "./MongoStoredObjectCollection";
-import mongo from "mongodb";
 import {DEFAULT_RULESET, DEFAULT_RULESET_NAME, RulesetSchema} from "../rulesets";
 import {getMongoObjectCollection} from "../database";
 import Ruleset from "../Objects/Ruleset";
+import {ActiveRecordId} from "../Objects/ActiveRecord";
 
-type RulesetMongoData = RulesetSchema;
+type RulesetMongoData = RulesetSchema & {id: ActiveRecordId};
 
 class RulesetCollection extends MongoStoredObjectCollection<RulesetMongoData> {
-    constructor(collectionClient: mongo.Collection) {
+    private static instance?: RulesetCollection;
-        super(collectionClient);
+    constructor() {
+        super();
+    }
+
+    static getInstance(): RulesetCollection {
+        if (RulesetCollection.instance === undefined) {
+            RulesetCollection.instance = new RulesetCollection();
+        }
+        return RulesetCollection.instance;
+    }
+
+    async init() {
+        this.mongoDbClientCollection = getMongoObjectCollection("rulesets");
     }
 
     private async rulesetFrom(data: RulesetMongoData): Promise<Ruleset> {
         return new Ruleset(data.id, data);
     }
 
-    async read(id: string): Promise<Ruleset> {
+    async read(id: ActiveRecordId): Promise<Ruleset> {
         if (id === DEFAULT_RULESET_NAME) {
             return new Ruleset(DEFAULT_RULESET_NAME, DEFAULT_RULESET);
         }
@@ -26,5 +38,4 @@ class RulesetCollection extends MongoStoredObjectCollection<RulesetMongoData> {
     }
 }
 
-const RulesetCollectionSingleton = new RulesetCollection(getMongoObjectCollection("users"));
+export default RulesetCollection.getInstance;
-export default RulesetCollectionSingleton;

src/ObjectCollections/SavedGameCollection.ts

@@ -1,54 +1,63 @@
 import MongoStoredObjectCollection from "./MongoStoredObjectCollection";
-import mongo from "mongodb";
 import {ActiveRecordId} from "../Objects/ActiveRecord";
 import PlayerCollection from "./PlayerCollection";
 import SavedGame from "../Objects/SavedGame";
 import {getMongoObjectCollection} from "../database";
-import {PlayerGameResults} from "../Objects/DefaultStatsMongoData";
 import RulesetCollection from "./RulesetCollection";
-import {GameSubmission} from "../controllers/statsController";
+import {ProcessedGameSubmission, ScoredResultsWithOutcome} from "../Controllers/statsController";
 
 export interface SavedGameMongoData {
     id: string;
-    rulesetUsed: ActiveRecordId;
+    ruleset: ActiveRecordId;
     players: ActiveRecordId[];
-    results: PlayerGameResults[];
+    results: ScoredResultsWithOutcome[];
 }
 
 class SavedGameCollection extends MongoStoredObjectCollection<SavedGameMongoData> {
-    constructor(collectionClient: mongo.Collection) {
+    private static instance?: SavedGameCollection;
-        super(collectionClient);
+    constructor() {
+        super();
+    }
+
+    static getInstance(): SavedGameCollection {
+        if (SavedGameCollection.instance === undefined) {
+            SavedGameCollection.instance = new SavedGameCollection();
+        }
+        return SavedGameCollection.instance;
+    }
+
+    async init() {
+        this.mongoDbClientCollection = getMongoObjectCollection("savedGames");
     }
 
     private async savedGameFrom(data: SavedGameMongoData): Promise<SavedGame> {
         const playerList: {name: string, id: ActiveRecordId}[] = [];
         for (const playerId of data.players) {
-            const player = await PlayerCollection.read(playerId);
+            const player = await PlayerCollection().read(playerId);
             playerList.push({name: player.getNick(), id: playerId})
         }
-        const rulesetUsed = await RulesetCollection.read(data.rulesetUsed);
+        const rulesetUsed = await RulesetCollection().read(data.ruleset);
         return new SavedGame(
             data.id,
-            {name: rulesetUsed.getName(), id: data.rulesetUsed},
+            {name: rulesetUsed.getName(), id: data.ruleset},
             playerList,
             data.results);
     }
 
-    async read(id: string): Promise<SavedGame> {
+    async read(id: ActiveRecordId): Promise<SavedGame> {
         const foundGame = await this.mongoRead(id);
         return this.savedGameFrom(foundGame);
     }
 
-    async create(gameSubmission: GameSubmission): Promise<SavedGame> {
+    async create(submission: ProcessedGameSubmission): Promise<SavedGame> {
-        const pids = gameSubmission.players.map(playerIdAndNick => playerIdAndNick.id);
+        const pids = submission.players.map(playerIdAndNick => playerIdAndNick.id);
         return this.savedGameFrom(
             await this.mongoCreate({
-                rulesetUsed: gameSubmission.rulesetId,
+                ruleset: submission.ruleset,
                 players: pids,
-                results: gameSubmission.results})
+                results: submission.results})
         );
     }
 }
 
-const SavedGameCollectionSingleton = new SavedGameCollection(getMongoObjectCollection("users"));
+export default SavedGameCollection.getInstance;
-export default SavedGameCollectionSingleton;

src/Objects/AccountStats.ts

@@ -10,6 +10,7 @@ class AccountStats {
     constructor(data: AccountStatsMongoData) {
         this.data = data;
         this.updater = new StatsUpdater();
+        this.updater.use(data);
     }
 
     use(data: AccountStatsMongoData) {
@@ -21,8 +22,8 @@ class AccountStats {
         if (this.data) {
             for (const playerGameResult of playerGameResults) {
                 this.updater.updateStats(playerGameResult, ruleset);
-                this.data.gamesPlayed += 1;
             }
+            this.data.gamesPlayed += 1;
         }
         else {
             throw new UpdateError(`Cannot update without data! Call the use() method to hydrate the updater with data 

src/Objects/ActiveRecord.ts

@@ -1,4 +1,6 @@
-export type ActiveRecordId = string;
+import mongo from "mongodb";
+
+export type ActiveRecordId = mongo.ObjectId | string;
 export type OrId<T extends ActiveRecord> = T | ActiveRecordId;
 
 interface ActiveRecord {

src/Objects/DefaultStatsMongoData.ts

@@ -1,12 +1,11 @@
 import {CellDef, DEFAULT_RULESET, DEFAULT_RULESET_NAME, RulesetSchema} from "../rulesets";
 import {FieldType} from "../enums";
 
-
 export enum OutcomeType {
-    win,
+    win = "win",
-    loss,
+    loss = "loss",
-    runnerUp,
+    runnerUp = "runnerUp",
-    draw,
+    draw = "draw",
 }
 
 export interface PlayerStatsMongoData extends BaseStatsMongoData {}

src/Objects/KadiUser.ts

@@ -5,7 +5,7 @@ export type LoginDetails = { username: string, email: string, password: string }
 
 class KadiUser implements ActiveRecord {
     constructor(
-        private id: string,
+        private id: ActiveRecordId,
         private username: string,
         private email: string,
         private password: string,

src/Objects/Player.ts

@@ -1,21 +1,14 @@
-import {CellValue} from "../controllers/statsController";
-import {RulesetSchema} from "../rulesets";
 import ActiveRecord, {ActiveRecordId} from "./ActiveRecord";
 import {UpdateError} from "../errors";
 import {OutcomeType, PlayerGameResults} from "./DefaultStatsMongoData";
 import PlayerStats from "./PlayerStats";
 import Ruleset from "./Ruleset";
 
-export interface CellDetails {
-    id: string;
-    value: CellValue;
-}
-
 export class Player implements ActiveRecord {
     constructor(
         private id: ActiveRecordId,
         private nick: string,
-        private stats?: PlayerStats
+        private stats: PlayerStats
     ) {}
 
     getId(): ActiveRecordId {
@@ -30,7 +23,7 @@ export class Player implements ActiveRecord {
         this.nick = newNick;
     }
 
-    getStats(): PlayerStats | undefined {
+    getStats(): PlayerStats {
         return this.stats;
     }
 

src/Objects/PlayerStats.ts

@@ -9,6 +9,7 @@ class PlayerStats {
     constructor(data: PlayerStatsMongoData) {
         this.data = data;
         this.updater = new StatsUpdater();
+        this.updater.use(data);
     }
 
     use(data: PlayerStatsMongoData) {
@@ -18,6 +19,7 @@ class PlayerStats {
 
     updateStats(playerGameResults: PlayerGameResults & {outcome: OutcomeType}, ruleset: Ruleset): void {
         this.updater.updateStats(playerGameResults, ruleset);
+        this.data.gamesPlayed += 1;
     }
 
     getData(): PlayerStatsMongoData {

src/Objects/Ruleset.ts

@@ -26,6 +26,10 @@ export class Ruleset implements ActiveRecord {
     getCellsInBlock(blockId: string): Record<string, CellDef> {
         return Object.assign({}, this.schema.blocks[blockId].cells);
     }
+
+    getSchemaJSON(): RulesetSchema {
+        return Object.assign({}, this.schema);
+    }
 }
 
 export default Ruleset;

src/Objects/SavedGame.ts

@@ -1,12 +1,12 @@
 import ActiveRecord, {ActiveRecordId} from "./ActiveRecord";
-import {PlayerGameResults} from "./DefaultStatsMongoData";
+import {ScoredResultsWithOutcome} from "../Controllers/statsController";
 
 class SavedGame implements ActiveRecord {
     constructor(
         private id: string,
         private rulesetUsed: {name: string, id: ActiveRecordId},
         private players: {name: string, id: ActiveRecordId}[],
-        private results: PlayerGameResults[],
+        private results: ScoredResultsWithOutcome[],
     ) {}
 
     getId() {

src/Objects/ScoreCellCalculator.ts

@@ -60,6 +60,7 @@ abstract class ScoreCellCalculator {
     }
 
     hydrateWithJSON(jsonRep: ScoreCellJSONRepresentation): void {
+        this.reset();
         if (jsonRep.value === CellFlag.strike) {
             this.struck = true;
         }
@@ -67,6 +68,11 @@ abstract class ScoreCellCalculator {
             this.value = jsonRep.value;
         }
     }
+
+    reset(): void {
+        this.struck = false;
+        this.value = 0;
+    }
 }
 
 class NumberScoreCell extends ScoreCellCalculator {
@@ -78,7 +84,12 @@ class NumberScoreCell extends ScoreCellCalculator {
     }
 
     getScore(): number {
-        return this.value as number;
+        if (this.isStruck()) {
+            return 0;
+        }
+        else {
+            return this.value as number;
+        }
     }
 }
 
@@ -101,6 +112,11 @@ class BoolScoreCell extends ScoreCellCalculator {
             return 0;
         }
     }
+
+    reset(): void {
+        super.reset();
+        this.value = false;
+    }
 }
 
 class SuperkadiScoreCell extends ScoreCellCalculator {

src/Objects/StatsUpdater.ts

@@ -1,4 +1,3 @@
-import {RulesetSchema} from "../rulesets";
 import ScoreCalculator, {ScoreCardJSONRepresentation} from "./ScoreCalculator";
 import {UpdateError} from "../errors";
 import {FieldType} from "../enums";
@@ -8,7 +7,8 @@ import {
     BoolFieldStatsMongoData,
     CellStatsMongoData,
     OutcomeType,
-    PlayerGameResults, RulesetStatsMongoData,
+    PlayerGameResults,
+    RulesetStatsMongoData,
     TotalFieldStatsMongoData
 } from "./DefaultStatsMongoData";
 import Ruleset from "./Ruleset";
@@ -30,15 +30,15 @@ class StatsUpdater {
             this.validationRuleset = ruleset;
             this.calculator = new ScoreCalculator(ruleset);
             this.calculator.hydrateWithJSON(playerGameResults as ScoreCardJSONRepresentation);
-            this.currentStatsObject = this.data.statsByRuleset[ruleset.getId()];
+            this.currentStatsObject = this.data.statsByRuleset[ruleset.getId().toString()];
             for (const blockId in ruleset.getBlocks()) {
                 this.updateBlockStats(blockId);
             }
             this.updateTotalFieldStats(this.currentStatsObject.grandTotal, this.calculator.getTotal());
-            this.currentStatsObject.wins += Number(playerGameResults.outcome === "win");
+            this.currentStatsObject.wins += Number(playerGameResults.outcome === OutcomeType.win);
-            this.currentStatsObject.draws += Number(playerGameResults.outcome === "draw");
+            this.currentStatsObject.draws += Number(playerGameResults.outcome === OutcomeType.draw);
-            this.currentStatsObject.runnerUps += Number(playerGameResults.outcome === "runnerUp");
+            this.currentStatsObject.runnerUps += Number(playerGameResults.outcome === OutcomeType.runnerUp);
-            this.currentStatsObject.losses += Number(playerGameResults.outcome === "loss");
+            this.currentStatsObject.losses += Number(playerGameResults.outcome === OutcomeType.loss);
         }
         else {
             throw new UpdateError(`Cannot update without data! Call the use() method to hydrate the updater with data 
@@ -66,9 +66,10 @@ class StatsUpdater {
     }
 
     private updateCellStatsByIds(ids: {cellId: string, blockId: string}) {
-        const cellStats = this.getCellStatsByIds({...ids, rulesetId: this.validationRuleset!.getId()});
+        const cellStats = this.getCellStatsByIds({...ids, rulesetId: this.validationRuleset!.getId().toString()});
         const cellFieldType = this.validationRuleset?.getBlocks()[ids.blockId].cells[ids.cellId].fieldType;
         const cellScore = this.calculator!.getCellScoreByLocation({...ids});
+        cellStats.runningTotal += cellScore;
         if (cellScore > 0 && cellFieldType === FieldType.bool) {
             (cellStats as BoolFieldStatsMongoData).total += 1;
         }

src/Routers/apiRouter.ts

@@ -1,7 +1,8 @@
 import express from "express";
-import * as statsController from "../controllers/statsController";
+import * as statsController from "../Controllers/statsController";
-import * as KadiUserController from "../controllers/kadiUserController"
+import * as KadiUserController from "../Controllers/kadiUserController"
 import {requireAuthenticated} from "./routerMiddleware";
+import * as rulesetController from "../Controllers/rulesetController";
 
 const router = express.Router();
 
@@ -21,4 +22,8 @@ router.delete("/guest/:id", requireAuthenticated, KadiUserController.deleteGuest
 router.get("/games", requireAuthenticated, statsController.listGames);
 router.post("/games", requireAuthenticated, statsController.saveGame);
 
+//Stats
+router.get("/stats", requireAuthenticated, statsController.getStats);
+router.get("/ruleset/:id", rulesetController.getRuleset);
+
 export default router;

src/Routers/mainRouter.ts

@@ -1,4 +1,4 @@
-import express, {NextFunction} from "express";
+import express from "express";
 import routers from "./routers";
 import {LoginDetails} from "../Objects/KadiUser";
 import {requireAuthenticated} from "./routerMiddleware";
@@ -22,6 +22,7 @@ router.get("/**", requireAuthenticated, (req, res) => {
 });
 
 const topLevelErrorHandler: express.ErrorRequestHandler = (err, req, res, next) => {
+    console.log(err.message);
     if (err instanceof GenericPersistenceError) {
         res.status(500).send({message: "An internal error occurred accessing the database."});
     }

src/Routers/signupRouter.ts

@@ -1,17 +1,13 @@
 import express from "express";
-import {requireAuthenticated, requireNotAuthenticated} from "../passport-config";
+import * as signup from "../Controllers/signupController";
-import * as signup from "../controllers/signupController";
+import {requireAuthenticated, requireNotAuthenticated} from "./routerMiddleware";
 
 const router = express.Router();
 
 router.get("/login", requireNotAuthenticated, signup.showLoginPage);
-
 router.post("/login", requireNotAuthenticated, signup.loginUser);
-
 router.get("/register", requireNotAuthenticated, signup.showRegistrationPage);
-
 router.post("/register", requireNotAuthenticated, signup.registerNewUser);
-
 router.get("/logout", requireAuthenticated, signup.logoutUser);
 
 export default router;

src/database.ts

@@ -1,6 +1,10 @@
 import {MongoClient, Db} from "mongodb";
 import Settings from "./server-config.json";
 import {GenericPersistenceError, MongoError} from "./errors";
+import KadiUserCollection from "./ObjectCollections/KadiUserCollection";
+import PlayerCollection from "./ObjectCollections/PlayerCollection";
+import RulesetCollection from "./ObjectCollections/RulesetCollection";
+import SavedGameCollection from "./ObjectCollections/SavedGameCollection";
 
 let SessionDbClient: Db;
 
@@ -21,6 +25,13 @@ export function getMongoObjectCollection(collectionName: string) {
     }
 }
 
+export async function initCollections() {
+    KadiUserCollection().init();
+    PlayerCollection().init();
+    SavedGameCollection().init();
+    RulesetCollection().init();
+}
+
 type CallbackWrapper = <T>(query: () => T) => Promise<T>;
 export const tryQuery: CallbackWrapper = async (cb) => {
     try {

src/index.ts

@@ -1,15 +1,16 @@
-import express, {NextFunction, Request, Response} from "express";
+import express from "express";
 import Settings from "./server-config.json";
 import flash from "express-flash";
 import passport from "passport";
 import session from "express-session";
-import MainRouter from "./routers/mainRouter";
+import MainRouter from "./Routers/mainRouter";
-import {initMongoSessionClient} from "./database";
+import {initCollections, initMongoSessionClient} from "./database";
 import {Strategy as LocalStrategy} from "passport-local";
-import {authenticateKadiUser, deserializeKadiUser, serializeKadiUser} from "./controllers/signupController";
+import {authenticateKadiUser, deserializeKadiUser, serializeKadiUser} from "./Controllers/signupController";
 
 async function startApp() {
     await initMongoSessionClient();
+    await initCollections();
     passport.use(new LocalStrategy({ usernameField: "email" }, authenticateKadiUser));
     passport.serializeUser(serializeKadiUser);
     passport.deserializeUser(deserializeKadiUser);

tsconfig.json

@@ -2,7 +2,7 @@
   "compilerOptions": {
     /* Basic Options */
     // "incremental": true,                   /* Enable incremental compilation */
-    "target": "es5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
+    "target": "ES5",                          /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */
     "module": "commonjs",                          /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
     // "lib": [],                             /* Specify library files to be included in the compilation. */
     "allowJs": true,                          /* Allow javascript files to be compiled. */