chore: refacto NestJS in modules (#308)

* chore: wip refacto in modules

* fix: rollback port

* fix: jwt guard in wrong folder

* chore: rename folder exception-filter in filters

* fix: tests are running

* fix: excessive stack depth comparing types

* fix: auth issue

* chore: move createUser in UserService

* fix: test

* fix: guards

* fix: jwt guard don't handle falsy user

server/src/core/user/user.service.ts

@@ -0,0 +1,109 @@
+import {
+  BadRequestException,
+  ForbiddenException,
+  Injectable,
+} from '@nestjs/common';
+import { v4 } from 'uuid';
+import { PrismaService } from 'src/database/prisma.service';
+import { WorkspaceService } from 'src/core/workspace/services/workspace.service';
+import { WorkspaceMemberService } from 'src/core/workspace/services/workspace-member.service';
+
+export type UserPayload = {
+  firstName: string;
+  lastName: string;
+  email: string;
+};
+
+@Injectable()
+export class UserService {
+  constructor(
+    private readonly prismaService: PrismaService,
+    private readonly workspaceService: WorkspaceService,
+    private readonly workspaceMemberService: WorkspaceMemberService,
+  ) {}
+
+  // Find
+  findFirst = this.prismaService.user.findFirst;
+  findFirstOrThrow = this.prismaService.user.findFirstOrThrow;
+
+  findUnique = this.prismaService.user.findUnique;
+  findUniqueOrThrow = this.prismaService.user.findUniqueOrThrow;
+
+  findMany = this.prismaService.user.findMany;
+
+  // Create
+  create = this.prismaService.user.create;
+  createMany = this.prismaService.user.createMany;
+
+  // Update
+  update = this.prismaService.user.update;
+  upsert = this.prismaService.user.upsert;
+  updateMany = this.prismaService.user.updateMany;
+
+  // Delete
+  delete = this.prismaService.user.delete;
+  deleteMany = this.prismaService.user.deleteMany;
+
+  // Aggregate
+  aggregate = this.prismaService.user.aggregate;
+
+  // Count
+  count = this.prismaService.user.count;
+
+  // GroupBy
+  groupBy = this.prismaService.user.groupBy;
+
+  // Customs
+  async createUser(rawUser: UserPayload) {
+    if (!rawUser.email) {
+      throw new BadRequestException('Email is missing');
+    }
+
+    if (!rawUser.firstName || !rawUser.lastName) {
+      throw new BadRequestException('Firstname or lastname is missing');
+    }
+
+    const emailDomain = rawUser.email.split('@')[1];
+
+    if (!emailDomain) {
+      throw new BadRequestException('Email is malformed');
+    }
+
+    const workspace = await this.workspaceService.findUnique({
+      where: { domainName: emailDomain },
+    });
+
+    if (!workspace) {
+      throw new ForbiddenException(
+        'User email domain does not match an existing workspace',
+      );
+    }
+
+    const user = await this.prismaService.user.upsert({
+      where: {
+        email: rawUser.email,
+      },
+      create: {
+        id: v4(),
+        displayName: rawUser.firstName + ' ' + rawUser.lastName,
+        email: rawUser.email,
+        locale: 'en',
+      },
+      update: {},
+    });
+
+    await this.workspaceMemberService.upsert({
+      where: {
+        userId: user.id,
+      },
+      create: {
+        id: v4(),
+        userId: user.id,
+        workspaceId: workspace.id,
+      },
+      update: {},
+    });
+
+    return user;
+  }
+}