chore: migrate database files (#8126)

server/src/repositories/system-metadata.repository.ts

@@ -0,0 +1,25 @@
+import { InjectRepository } from '@nestjs/typeorm';
+import { SystemMetadata, SystemMetadataEntity } from 'src/entities/system-metadata.entity';
+import { Instrumentation } from 'src/infra/instrumentation';
+import { ISystemMetadataRepository } from 'src/interfaces/system-metadata.repository';
+import { Repository } from 'typeorm';
+
+@Instrumentation()
+export class SystemMetadataRepository implements ISystemMetadataRepository {
+  constructor(
+    @InjectRepository(SystemMetadataEntity)
+    private repository: Repository<SystemMetadataEntity>,
+  ) {}
+
+  async get<T extends keyof SystemMetadata>(key: T): Promise<SystemMetadata[T] | null> {
+    const metadata = await this.repository.findOne({ where: { key } });
+    if (!metadata) {
+      return null;
+    }
+    return metadata.value as SystemMetadata[T];
+  }
+
+  async set<T extends keyof SystemMetadata>(key: T, value: SystemMetadata[T]): Promise<void> {
+    await this.repository.upsert({ key, value }, { conflictPaths: { key: true } });
+  }
+}