feat: workspace cache version instead of event emitter (#2637)

server/src/metadata/workspace-cache-version/workspace-cache-version.entity.ts

@@ -0,0 +1,25 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+  UpdateDateColumn,
+} from 'typeorm';
+
+@Entity('workspaceCacheVersion')
+export class WorkspaceCacheVersionEntity {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column({ unique: true })
+  workspaceId: string;
+
+  @Column()
+  version: string;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+}

server/src/metadata/workspace-cache-version/workspace-cache-version.module.ts

@@ -0,0 +1,14 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+import { WorkspaceCacheVersionEntity } from 'src/metadata/workspace-cache-version/workspace-cache-version.entity';
+import { WorkspaceCacheVersionService } from 'src/metadata/workspace-cache-version/workspace-cache-version.service';
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([WorkspaceCacheVersionEntity], 'metadata'),
+  ],
+  exports: [WorkspaceCacheVersionService],
+  providers: [WorkspaceCacheVersionService],
+})
+export class WorkspaceCacheVersionModule {}

server/src/metadata/workspace-cache-version/workspace-cache-version.service.ts

@@ -0,0 +1,38 @@
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+
+import { Repository } from 'typeorm';
+
+import { WorkspaceCacheVersionEntity } from 'src/metadata/workspace-cache-version/workspace-cache-version.entity';
+
+@Injectable()
+export class WorkspaceCacheVersionService {
+  constructor(
+    @InjectRepository(WorkspaceCacheVersionEntity, 'metadata')
+    private readonly workspaceCacheVersionRepository: Repository<WorkspaceCacheVersionEntity>,
+  ) {}
+
+  async incrementVersion(workspaceId: string): Promise<void> {
+    const workspaceCacheVersion =
+      (await this.workspaceCacheVersionRepository.findOne({
+        where: { workspaceId },
+      })) ?? { version: '0' };
+
+    await this.workspaceCacheVersionRepository.upsert(
+      {
+        workspaceId,
+        version: `${+workspaceCacheVersion.version + 1}`,
+      },
+      ['workspaceId'],
+    );
+  }
+
+  async getVersion(workspaceId: string): Promise<string> {
+    const workspaceCacheVersion =
+      await this.workspaceCacheVersionRepository.findOne({
+        where: { workspaceId },
+      });
+
+    return workspaceCacheVersion?.version ?? '0';
+  }
+}

server/src/metadata/workspace-migration/workspace-migration.entity.ts

@@ -34,6 +34,7 @@ export type WorkspaceMigrationTableAction = {
   action: 'create' | 'alter';
   columns?: WorkspaceMigrationColumnAction[];
 };
+
 @Entity('workspaceMigration')
 export class WorkspaceMigrationEntity {
   @PrimaryGeneratedColumn('uuid')