API authentifiée

server/src/auth/auth.service.ts

@@ -0,0 +1,27 @@
+import { Injectable, NotFoundException, UnauthorizedException } from '@nestjs/common'
+import { PrismaService } from './../prisma/prisma.service'
+import { JwtService } from '@nestjs/jwt'
+import { AuthEntity } from './entity/auth.entity'
+import * as bcrypt from 'bcrypt'
+
+@Injectable()
+export class AuthService {
+  constructor(private prisma: PrismaService, private jwtService: JwtService) {}
+
+  async login(name: string, password: string): Promise<AuthEntity> {
+    const user = await this.prisma.user.findUnique({ where: { name: name } })
+    if (!user) {
+        throw new NotFoundException(`Aucun⋅e utilisateur⋅rice avec pour nom ${name}`)
+    }
+
+    const isPasswordValid = await bcrypt.compare(password, user.password)
+
+    if (!isPasswordValid) {
+        throw new UnauthorizedException('Mot de passe incorrect')
+    }
+
+    return {
+      accessToken: this.jwtService.sign({ userId: user.id }),
+    }
+  }
+}