init: pulseform v2 — Express/Prisma/React/SCSS/R3F stack

backend/.gitignore

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+node_modules/
+dist/
+.env
+*.local
+
+/src/generated/prisma

backend/package.json

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+{
+  "name": "backend",
+  "version": "1.0.0",
+  "main": "dist/index.js",
+  "scripts": {
+    "dev": "nodemon --watch src --ext ts --exec ts-node src/index.ts",
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "db:migrate": "prisma migrate dev",
+    "db:generate": "prisma generate",
+    "db:studio": "prisma studio"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "@prisma/client": "^7.5.0",
+    "argon2": "^0.44.0",
+    "cookie-parser": "^1.4.7",
+    "cors": "^2.8.6",
+    "express": "^5.2.1",
+    "jsonwebtoken": "^9.0.3",
+    "multer": "^2.1.1",
+    "zod": "^4.3.6"
+  },
+  "devDependencies": {
+    "@types/cookie-parser": "^1.4.10",
+    "@types/cors": "^2.8.19",
+    "@types/express": "^5.0.6",
+    "@types/jsonwebtoken": "^9.0.10",
+    "@types/multer": "^2.1.0",
+    "nodemon": "^3.1.14",
+    "prisma": "^7.5.0",
+    "ts-node": "^10.9.2",
+    "typescript": "^6.0.2"
+  }
+}

backend/prisma.config.ts

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+// This file was generated by Prisma, and assumes you have installed the following:
+// npm install --save-dev prisma dotenv
+import "dotenv/config";
+import { defineConfig } from "prisma/config";
+
+export default defineConfig({
+  schema: "prisma/schema.prisma",
+  migrations: {
+    path: "prisma/migrations",
+  },
+  datasource: {
+    url: process.env["DATABASE_URL"],
+  },
+});

backend/prisma/schema.prisma

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+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+// ─── Enums ───────────────────────────────────────────────────────────────────
+
+enum Role {
+  USER
+  COACH
+  ADMIN
+}
+
+enum Difficulty {
+  BEGINNER
+  INTERMEDIATE
+  ADVANCED
+}
+
+enum GroupRole {
+  MEMBER
+  COACH
+  ADMIN
+}
+
+enum FriendStatus {
+  PENDING
+  ACCEPTED
+  REJECTED
+}
+
+// ─── User ────────────────────────────────────────────────────────────────────
+
+model User {
+  id        String   @id @default(uuid())
+  username  String   @unique
+  email     String   @unique
+  password  String
+  role      Role     @default(USER)
+  avatar    String?
+  bio       String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  programs         Program[]
+  histories        History[]
+  groupMemberships GroupMember[]
+  sentRequests     FriendRequest[] @relation("SentRequests")
+  receivedRequests FriendRequest[] @relation("ReceivedRequests")
+  rewards          UserReward[]
+
+  @@map("users")
+}
+
+// ─── Exercise ────────────────────────────────────────────────────────────────
+
+model Exercise {
+  id           String     @id @default(uuid())
+  name         String
+  description  String?
+  difficulty   Difficulty @default(BEGINNER)
+  modelPath    String?
+  muscleGroups String[]
+  createdAt    DateTime   @default(now())
+  updatedAt    DateTime   @updatedAt
+
+  programExercises ProgramExercise[]
+  historyEntries   HistoryEntry[]
+
+  @@map("exercises")
+}
+
+// ─── Program ─────────────────────────────────────────────────────────────────
+
+model Program {
+  id          String   @id @default(uuid())
+  name        String
+  description String?
+  isPublic    Boolean  @default(false)
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  authorId String
+  author   User   @relation(fields: [authorId], references: [id], onDelete: Cascade)
+
+  exercises ProgramExercise[]
+  groups    GroupProgram[]
+
+  @@map("programs")
+}
+
+model ProgramExercise {
+  id          String @id @default(uuid())
+  sets        Int
+  reps        Int?
+  durationSec Int?
+  order       Int    @default(0)
+
+  programId  String
+  program    Program  @relation(fields: [programId], references: [id], onDelete: Cascade)
+  exerciseId String
+  exercise   Exercise @relation(fields: [exerciseId], references: [id], onDelete: Cascade)
+
+  @@unique([programId, exerciseId])
+  @@map("program_exercises")
+}
+
+// ─── History ─────────────────────────────────────────────────────────────────
+
+model History {
+  id      String   @id @default(uuid())
+  date    DateTime @default(now())
+  notes   String?
+
+  userId String
+  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  entries HistoryEntry[]
+
+  @@map("histories")
+}
+
+model HistoryEntry {
+  id          String @id @default(uuid())
+  sets        Int
+  reps        Int?
+  weightKg    Float?
+  durationSec Int?
+
+  historyId  String
+  history    History  @relation(fields: [historyId], references: [id], onDelete: Cascade)
+  exerciseId String
+  exercise   Exercise @relation(fields: [exerciseId], references: [id], onDelete: Cascade)
+
+  @@map("history_entries")
+}
+
+// ─── Group ───────────────────────────────────────────────────────────────────
+
+model Group {
+  id          String   @id @default(uuid())
+  name        String
+  description String?
+  isPublic    Boolean  @default(false)
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  members  GroupMember[]
+  programs GroupProgram[]
+
+  @@map("groups")
+}
+
+model GroupMember {
+  role     GroupRole @default(MEMBER)
+  joinedAt DateTime  @default(now())
+
+  groupId String
+  group   Group  @relation(fields: [groupId], references: [id], onDelete: Cascade)
+  userId  String
+  user    User   @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@id([groupId, userId])
+  @@map("group_members")
+}
+
+model GroupProgram {
+  addedAt DateTime @default(now())
+
+  groupId   String
+  group     Group   @relation(fields: [groupId], references: [id], onDelete: Cascade)
+  programId String
+  program   Program @relation(fields: [programId], references: [id], onDelete: Cascade)
+
+  @@id([groupId, programId])
+  @@map("group_programs")
+}
+
+// ─── Friends ─────────────────────────────────────────────────────────────────
+
+model FriendRequest {
+  id        String       @id @default(uuid())
+  status    FriendStatus @default(PENDING)
+  createdAt DateTime     @default(now())
+  updatedAt DateTime     @updatedAt
+
+  senderId   String
+  sender     User   @relation("SentRequests", fields: [senderId], references: [id], onDelete: Cascade)
+  receiverId String
+  receiver   User   @relation("ReceivedRequests", fields: [receiverId], references: [id], onDelete: Cascade)
+
+  @@unique([senderId, receiverId])
+  @@map("friend_requests")
+}
+
+// ─── Rewards ─────────────────────────────────────────────────────────────────
+
+model Reward {
+  id          String  @id @default(uuid())
+  name        String
+  description String
+  iconPath    String?
+  condition   String
+
+  users UserReward[]
+
+  @@map("rewards")
+}
+
+model UserReward {
+  earnedAt DateTime @default(now())
+
+  userId   String
+  user     User   @relation(fields: [userId], references: [id], onDelete: Cascade)
+  rewardId String
+  reward   Reward @relation(fields: [rewardId], references: [id], onDelete: Cascade)
+
+  @@id([userId, rewardId])
+  @@map("user_rewards")
+}
+

backend/src/index.ts

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+import express from "express";
+import cors from "cors";
+import cookieParser from "cookie-parser";
+import { PrismaClient } from "@prisma/client";
+
+const app = express();
+const prisma = new PrismaClient();
+
+const PORT = process.env.PORT ?? 4000;
+const CLIENT_URL = process.env.CLIENT_URL ?? "http://localhost:5173";
+
+if (!process.env.JWT_SECRET) {
+  throw new Error("JWT_SECRET manquant — arrêt du serveur.");
+}
+
+// ─── Middlewares ──────────────────────────────────────────────────────────────
+
+app.use(
+  cors({
+    origin: CLIENT_URL,
+    credentials: true,
+  })
+);
+app.use(express.json());
+app.use(cookieParser());
+
+// ─── Static uploads ──────────────────────────────────────────────────────────
+
+app.use("/uploads", express.static("uploads"));
+
+// ─── Routes ──────────────────────────────────────────────────────────────────
+
+// app.use("/api/auth", authRoutes);
+// app.use("/api/users", userRoutes);
+// app.use("/api/exercises", exerciseRoutes);
+// app.use("/api/programs", programRoutes);
+// app.use("/api/groups", groupRoutes);
+// app.use("/api/friends", friendRoutes);
+// app.use("/api/history", historyRoutes);
+
+app.get("/health", (_req, res) => {
+  res.json({ status: "ok" });
+});
+
+// ─── Start ────────────────────────────────────────────────────────────────────
+
+app.listen(PORT, () => {
+  console.log(`Serveur démarré sur http://localhost:${PORT}`);
+});
+
+export { prisma };

backend/src/middlewares/auth.ts

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+import type { Response, NextFunction } from "express";
+import jwt from "jsonwebtoken";
+import type { AppRequest, AuthPayload } from "../types/context.js";
+
+export function requireAuth(req: AppRequest, res: Response, next: NextFunction): void {
+  const token = req.cookies?.token as string | undefined;
+
+  if (!token) {
+    res.status(401).json({ message: "Non authentifié." });
+    return;
+  }
+
+  try {
+    const secret = process.env.JWT_SECRET as string;
+    const payload = jwt.verify(token, secret) as AuthPayload;
+    req.user = payload;
+    next();
+  } catch {
+    res.status(401).json({ message: "Token invalide ou expiré." });
+  }
+}
+
+export function requireRole(...roles: AuthPayload["role"][]) {
+  return (req: AppRequest, res: Response, next: NextFunction): void => {
+    if (!req.user || !roles.includes(req.user.role)) {
+      res.status(403).json({ message: "Accès refusé." });
+      return;
+    }
+    next();
+  };
+}

backend/src/types/context.ts

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+import type { Request, Response } from "express";
+import type { Role } from "@prisma/client";
+
+export interface AuthPayload {
+  id: string;
+  email: string;
+  role: Role;
+}
+
+export interface AppRequest extends Request {
+  user?: AuthPayload;
+}
+
+export interface AppContext {
+  req: AppRequest;
+  res: Response;
+}

backend/tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "commonjs",
+    "lib": ["ES2022"],
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist"]
+}