feat: add unlimited workspace support (#5523)

fix AFF-505

packages/backend/server/src/modules/features/feature.ts

@@ -42,9 +42,22 @@ export class EarlyAccessFeatureConfig extends FeatureConfig {
   }
 }
 
+export class UnlimitedWorkspaceFeatureConfig extends FeatureConfig {
+  override config!: Feature & { feature: FeatureType.UnlimitedWorkspace };
+
+  constructor(data: any) {
+    super(data);
+
+    if (this.config.feature !== FeatureType.UnlimitedWorkspace) {
+      throw new Error('Invalid feature config: type is not EarlyAccess');
+    }
+  }
+}
+
 const FeatureConfigMap = {
   [FeatureType.Copilot]: CopilotFeatureConfig,
   [FeatureType.EarlyAccess]: EarlyAccessFeatureConfig,
+  [FeatureType.UnlimitedWorkspace]: UnlimitedWorkspaceFeatureConfig,
 };
 
 export type FeatureConfigType<F extends FeatureType> = InstanceType<

packages/backend/server/src/modules/features/types/common.ts

@@ -3,6 +3,7 @@ import { registerEnumType } from '@nestjs/graphql';
 export enum FeatureType {
   Copilot = 'copilot',
   EarlyAccess = 'early_access',
+  UnlimitedWorkspace = 'unlimited_workspace',
 }
 
 registerEnumType(FeatureType, {

packages/backend/server/src/modules/features/types/index.ts

@@ -3,6 +3,7 @@ import { z } from 'zod';
 import { FeatureType } from './common';
 import { featureCopilot } from './copilot';
 import { featureEarlyAccess } from './early-access';
+import { featureUnlimitedWorkspace } from './unlimited-workspace';
 
 /// ======== common schema ========
 
@@ -43,6 +44,12 @@ export const Features: Feature[] = [
     version: 2,
     configs: {},
   },
+  {
+    feature: FeatureType.UnlimitedWorkspace,
+    type: FeatureKind.Feature,
+    version: 1,
+    configs: {},
+  },
 ];
 
 /// ======== schema infer ========
@@ -51,7 +58,13 @@ export const FeatureSchema = commonFeatureSchema
   .extend({
     type: z.literal(FeatureKind.Feature),
   })
-  .and(z.discriminatedUnion('feature', [featureCopilot, featureEarlyAccess]));
+  .and(
+    z.discriminatedUnion('feature', [
+      featureCopilot,
+      featureEarlyAccess,
+      featureUnlimitedWorkspace,
+    ])
+  );
 
 export type Feature = z.infer<typeof FeatureSchema>;
 

packages/backend/server/src/modules/features/types/unlimited-workspace.ts

@@ -0,0 +1,8 @@
+import { z } from 'zod';
+
+import { FeatureType } from './common';
+
+export const featureUnlimitedWorkspace = z.object({
+  feature: z.literal(FeatureType.UnlimitedWorkspace),
+  configs: z.object({}),
+});

packages/backend/server/src/modules/workspaces/resolvers/workspace.ts

@@ -28,6 +28,7 @@ import type { FileUpload } from '../../../types';
 import { Auth, CurrentUser, Public } from '../../auth';
 import { MailService } from '../../auth/mailer';
 import { AuthService } from '../../auth/service';
+import { FeatureManagementService, FeatureType } from '../../features';
 import { QuotaManagementService } from '../../quota';
 import { WorkspaceBlobStorage } from '../../storage';
 import { UsersService, UserType } from '../../users';
@@ -57,6 +58,7 @@ export class WorkspaceResolver {
     private readonly mailer: MailService,
     private readonly prisma: PrismaService,
     private readonly permissions: PermissionService,
+    private readonly feature: FeatureManagementService,
     private readonly quota: QuotaManagementService,
     private readonly users: UsersService,
     private readonly event: EventEmitter,
@@ -325,20 +327,26 @@ export class WorkspaceResolver {
       throw new ForbiddenException('Cannot change owner');
     }
 
-    // member limit check
-    const [memberCount, quota] = await Promise.all([
-      this.prisma.workspaceUserPermission.count({
-        where: { workspaceId },
-      }),
-      this.quota.getUserQuota(user.id),
-    ]);
-    if (memberCount >= quota.memberLimit) {
-      throw new GraphQLError('Workspace member limit reached', {
-        extensions: {
-          status: HttpStatus[HttpStatus.PAYLOAD_TOO_LARGE],
-          code: HttpStatus.PAYLOAD_TOO_LARGE,
-        },
-      });
+    const unlimited = await this.feature.hasWorkspaceFeature(
+      workspaceId,
+      FeatureType.UnlimitedWorkspace
+    );
+    if (!unlimited) {
+      // member limit check
+      const [memberCount, quota] = await Promise.all([
+        this.prisma.workspaceUserPermission.count({
+          where: { workspaceId },
+        }),
+        this.quota.getUserQuota(user.id),
+      ]);
+      if (memberCount >= quota.memberLimit) {
+        throw new GraphQLError('Workspace member limit reached', {
+          extensions: {
+            status: HttpStatus[HttpStatus.PAYLOAD_TOO_LARGE],
+            code: HttpStatus.PAYLOAD_TOO_LARGE,
+          },
+        });
+      }
     }
 
     let target = await this.users.findUserByEmail(email);

packages/backend/server/src/schema.gql

@@ -152,6 +152,7 @@ type WorkspaceType {
 enum FeatureType {
   Copilot
   EarlyAccess
+  UnlimitedWorkspace
 }
 
 type InvitationWorkspaceType {

packages/backend/server/tests/mailer.spec.ts

@@ -129,7 +129,11 @@ test.beforeEach(async t => {
     .overrideProvider(PrismaService)
     .useValue(FakePrisma)
     .overrideProvider(FeatureManagementService)
-    .useValue({})
+    .useValue({
+      hasWorkspaceFeature() {
+        return false;
+      },
+    })
     .compile();
   const app = module.createNestApplication();
   app.use(