feat: user can have multiple workspaces (backend) (#4036)

* create user-workspace mapping

* user-workspace service and integration

* invite condition on sign-up/sign-in

* save/update defaultWorkspace on signup

* add unique decorator on user-workspace entity

* remove resolver permissions

* Fixes

* Fixes

* Fix tests

* Fixes

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/database/typeorm/core/migrations/1707778127558-addUserWorkspaces.ts

@@ -0,0 +1,24 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddUserWorkspaces1707778127558 implements MigrationInterface {
+  name = 'AddUserWorkspaces1707778127558';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `CREATE TABLE "core"."userWorkspace" (
+                "id" uuid PRIMARY KEY DEFAULT uuid_generate_v4(), 
+                "userId" uuid NOT NULL REFERENCES core.user(id), 
+                "workspaceId" uuid NOT NULL REFERENCES core.workspace(id),
+                "createdAt" TIMESTAMP NOT NULL DEFAULT now(),
+                "updatedAt" TIMESTAMP NOT NULL DEFAULT now(),
+                "deletedAt" TIMESTAMP
+            )`,
+    );
+
+    await queryRunner.query(
+      `ALTER TABLE "core"."user" DROP CONSTRAINT "FK_2ec910029395fa7655621c88908"`,
+    );
+  }
+
+  public async down(): Promise<void> {}
+}