Add Backend Project and add Tournament Detail Page

backend_splatournament_manager/.env

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+PORT=3000

backend_splatournament_manager/.gitignore

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+node_modules
+dist/*
+!dist/csv/
+dist/csv/*
+!dist/csv/tournaments.csv
+*.sqlite
+_requests.http
+request_logs.txt

backend_splatournament_manager/dist/csv/tournaments.csv

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+id,title,author,year
+Demo Tournament  ,This is a demo tournament, 6, 0
+Demo Tournament 2,This is a second demo tournament, 12, 5
+Demo Tournament 3,This is a third demo tournament, 8, 8

backend_splatournament_manager/nodemon.json

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+{
+  "watch": [
+    "src"
+  ],
+  "ext": "ts,json",
+  "ignore": [
+    "src/**/*.spec.ts"
+  ],
+  "exec": "ts-node ./src/app.ts"
+}

backend_splatournament_manager/package.json

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+{
+  "name": "splatournament-manager-backend",
+  "version": "0.0.1",
+  "scripts": {
+    "start": "node dist/app.js",
+    "dev": "nodemon",
+    "build": "tsc"
+  },
+  "dependencies": {
+    "axios": "1.13.5",
+    "body-parser": "2.2.1",
+    "dotenv": "^17.2.3",
+    "ejs": "^3.1.10",
+    "express": "^5.1.0",
+    "sqlite3": "^5.1.7"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.3",
+    "@types/node": "^24.6.1",
+    "@types/sqlite3": "^3.1.11",
+    "nodemon": "^3.1.10",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.9.3"
+  }
+}

backend_splatournament_manager/src/app.ts

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+import express, {Request, Response} from 'express';
+import bodyParser from 'body-parser';
+import 'dotenv/config';
+
+import {TournamentService} from './services/tournament-service';
+import router from './middlewares/logger';
+
+
+const tournamentService = new TournamentService();
+const port = process.env.PORT || 3000;
+const app = express();
+
+app.use(bodyParser.json());
+app.use(router);
+
+app.get('/tournaments/available', async (req: Request, res: Response) => {
+    console.log(req.params)
+    if (!req.params.id) {
+        const tournaments = await tournamentService.getAllTournaments();
+        console.log(tournaments)
+        return res.send(tournaments);
+    }
+    const tournament = await tournamentService.getBookById(+req.params.id);
+    if (!tournament) {
+        return res.status(404).send({error: 'Book not found'});
+    }
+    res.send(tournament);
+});
+
+app.post('/books', async (req: Request, res: Response) => {
+    console.log("post");
+    
+    try {
+        await tournamentService.addBook(req.body);
+        res.status(200).send();
+    }catch (err){
+        console.log(err);
+        res.status(404).send();
+    }
+});
+
+app.put('/books', async (req: Request, res: Response) => {
+    if (!req.query.id) {
+        return res.status(400).send({error: 'Missing id parameter'});
+    }
+    try {
+        const success = await tournamentService.updateBook(+req.query.id!, req.body);
+    } catch (err) {
+        return res.status(400).send({error: 'Failed to update book'});
+    }
+    res.status(200).send({message: 'Book updated successfully'});
+});
+
+app.delete('/books', async (req: Request, res: Response) => {
+    if (!req.query.id) {
+        return res.status(400).send({error: 'Missing id parameter'});
+    }
+    try {
+        const success = await tournamentService.deleteBook(+req.query.id!);
+    } catch (err) {
+        return res.status(400).send({error: 'Failed to delete book'});
+    }
+    res.status(200).send({message: 'Book deleted successfully'});
+});
+
+app.listen(port, () => {
+    console.log(`server started on port ${port}`);
+});

backend_splatournament_manager/src/middlewares/logger.ts

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+import express from 'express';
+import path from 'path';
+import fs from 'fs';
+
+
+const filePath = path.join(process.cwd(), 'request_logs.txt');
+const router = express.Router();
+
+router.use((req, res, next) => {
+    const log = `[${new Date().toLocaleString()}] ${req.method} ${req.url}\n`;
+    console.log(log);
+
+    fs.appendFile(filePath, log, (err) => {
+        if (err) console.error("Request Failed", err);
+    });
+
+    next();
+});
+
+export = router;

backend_splatournament_manager/src/models/tournament.ts

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+export interface Tournament {
+  id:number;
+  name:String;
+  description:String;
+  maxTeamAmount:number;
+  currentTeamAmount:number;
+}

backend_splatournament_manager/src/services/tournament-service.ts

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+import {Tournament} from '../models/tournament';
+import fs from 'fs';
+import path from 'path';
+import {Database, RunResult} from "sqlite3";
+
+export class TournamentService {
+    private csvFilename = 'csv/tournaments.csv';
+    private dbFilename = 'tournaments.sqlite';
+    private db: Database;
+
+    constructor() {
+        fs.unlinkSync(this.dbFilename);
+        this.db = new Database(this.dbFilename);
+        this.db.serialize(() => {
+            this.db.run(`CREATE TABLE IF NOT EXISTS Tournaments
+                         (
+                             id
+                                 INTEGER
+                                 PRIMARY
+                                     KEY
+                                 AUTOINCREMENT,
+                             name
+                                 TEXT,
+                             description
+                                 TEXT,
+                             maxTeamAmount
+                                 INTEGER,
+                             currentTeamAmount
+                                 INTEGER
+                         )`);
+        })
+        this.seedDb();
+    }
+
+    private seedDb() {
+        fs.readFile(path.join(process.cwd(), "dist", this.csvFilename), 'utf-8', (_, data) => {
+            const entries = data.split('\n');
+            entries.shift();
+            const statement = this.db.prepare("INSERT INTO Tournaments ( name, description, maxTeamAmount, currentTeamAmount) VALUES (?, ?, ?, ?)");
+            entries.forEach(line => {
+                if (line) {
+                    const parts = line.split(',');
+                    const tournament = {
+                        id: 0,
+                        name: parts[0].trim(),
+                        description: parts[1].trim(),
+                        maxTeamAmount: +parts[2],
+                        currentTeamAmount: +parts[3]
+                    } as Tournament;
+                    statement.run(tournament.name, tournament.description, tournament.maxTeamAmount, tournament.currentTeamAmount);
+                    console.log(tournament)
+                }
+            });
+            statement.finalize();
+        });
+    }
+
+    getAllTournaments(): Promise<Tournament[]> {
+        return new Promise<Tournament[]>((resolve, reject) => {
+            this.db.all(`SELECT *
+                         FROM Tournaments`,
+                (err: RunResult, rows: Tournament[]) => {
+                    if (!err) {
+                        resolve(rows);
+                    }
+                    reject(err);
+                });
+        });
+    }
+
+    getBookById(id: number): Promise<Tournament> {
+        return new Promise<Tournament>((resolve, reject) => {
+            this.db.get(`Select *
+                         From Tournaments
+                         WHERE id = ${id}`, (err: RunResult, book: Tournament) => {
+                if (!err) {
+                    resolve(book);
+                }
+                reject(err);
+            });
+        })
+    }
+
+    addBook(tournament: Tournament): Promise<void> {
+        return new Promise<void>((resolve, reject) => {
+            const statement = this.db.prepare('Insert Into Tournaments (name, description, maxTeamAmount, currentTeamAmount) VALUES (?, ?, ?, ?)')
+            statement.run(tournament.name, tournament.description, tournament.maxTeamAmount, tournament.currentTeamAmount);
+            resolve();
+        })
+    }
+
+    updateBook(id: number, updatedBook: Tournament): Promise<void> {
+        return new Promise((resolve, reject) => {
+            this.db.run(`Update Tournaments
+                         Set name  = $name,
+                             description = $description,
+                             maxTeamAmount = $maxTeamAmount,
+                             currentTeamAmount   = $currentTeamAmount
+                         where id = $id`,
+                {
+                    $id: id,
+                    $description: updatedBook.description,
+                    $maxTeamAmount: updatedBook.maxTeamAmount,
+                    $currentTeamAmount: updatedBook.currentTeamAmount,
+                });
+            resolve();
+        })
+    }
+
+    deleteBook(id: number): Promise<void> {
+        return new Promise((resolve, reject) => {
+            this.db.run('Delete From Tournaments where id = $id', {
+                $id: id,
+            });
+            resolve();
+        })
+    }
+}

backend_splatournament_manager/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "commonjs",
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}