refactor: system metadata (#8923)

refactor(server): system metadata

server/src/services/system-metadata.service.ts

@@ -0,0 +1,29 @@
+import { Inject, Injectable } from '@nestjs/common';
+import {
+  AdminOnboardingResponseDto,
+  AdminOnboardingUpdateDto,
+  ReverseGeocodingStateResponseDto,
+} from 'src/dtos/system-metadata.dto';
+import { SystemMetadataKey } from 'src/entities/system-metadata.entity';
+import { ISystemMetadataRepository } from 'src/interfaces/system-metadata.interface';
+
+@Injectable()
+export class SystemMetadataService {
+  constructor(@Inject(ISystemMetadataRepository) private repository: ISystemMetadataRepository) {}
+
+  async getAdminOnboarding(): Promise<AdminOnboardingResponseDto> {
+    const value = await this.repository.get(SystemMetadataKey.ADMIN_ONBOARDING);
+    return { isOnboarded: false, ...value };
+  }
+
+  async updateAdminOnboarding(dto: AdminOnboardingUpdateDto): Promise<void> {
+    await this.repository.set(SystemMetadataKey.ADMIN_ONBOARDING, {
+      isOnboarded: dto.isOnboarded,
+    });
+  }
+
+  async getReverseGeocodingState(): Promise<ReverseGeocodingStateResponseDto> {
+    const value = await this.repository.get(SystemMetadataKey.REVERSE_GEOCODING_STATE);
+    return { lastUpdate: null, lastImportFileName: null, ...value };
+  }
+}