refactor(server): access env via repository

server/src/interfaces/config.interface.ts

@@ -0,0 +1,14 @@
+import { VectorExtension } from 'src/interfaces/database.interface';
+
+export const IConfigRepository = 'IConfigRepository';
+
+export interface EnvData {
+  database: {
+    skipMigrations: boolean;
+    vectorExtension: VectorExtension;
+  };
+}
+
+export interface IConfigRepository {
+  getEnv(): EnvData;
+}

server/src/repositories/config.repository.ts

@@ -0,0 +1,15 @@
+import { Injectable } from '@nestjs/common';
+import { getVectorExtension } from 'src/database.config';
+import { EnvData, IConfigRepository } from 'src/interfaces/config.interface';
+
+@Injectable()
+export class ConfigRepository implements IConfigRepository {
+  getEnv(): EnvData {
+    return {
+      database: {
+        skipMigrations: process.env.DB_SKIP_MIGRATIONS === 'true',
+        vectorExtension: getVectorExtension(),
+      },
+    };
+  }
+}

server/src/repositories/index.ts

@@ -5,6 +5,7 @@ import { IAlbumRepository } from 'src/interfaces/album.interface';
 import { IKeyRepository } from 'src/interfaces/api-key.interface';
 import { IAssetRepository } from 'src/interfaces/asset.interface';
 import { IAuditRepository } from 'src/interfaces/audit.interface';
+import { IConfigRepository } from 'src/interfaces/config.interface';
 import { ICryptoRepository } from 'src/interfaces/crypto.interface';
 import { IDatabaseRepository } from 'src/interfaces/database.interface';
 import { IEventRepository } from 'src/interfaces/event.interface';
@@ -39,6 +40,7 @@ import { AlbumRepository } from 'src/repositories/album.repository';
 import { ApiKeyRepository } from 'src/repositories/api-key.repository';
 import { AssetRepository } from 'src/repositories/asset.repository';
 import { AuditRepository } from 'src/repositories/audit.repository';
+import { ConfigRepository } from 'src/repositories/config.repository';
 import { CryptoRepository } from 'src/repositories/crypto.repository';
 import { DatabaseRepository } from 'src/repositories/database.repository';
 import { EventRepository } from 'src/repositories/event.repository';
@@ -74,6 +76,7 @@ export const repositories = [
   { provide: IAlbumUserRepository, useClass: AlbumUserRepository },
   { provide: IAssetRepository, useClass: AssetRepository },
   { provide: IAuditRepository, useClass: AuditRepository },
+  { provide: IConfigRepository, useClass: ConfigRepository },
   { provide: ICryptoRepository, useClass: CryptoRepository },
   { provide: IDatabaseRepository, useClass: DatabaseRepository },
   { provide: IEventRepository, useClass: EventRepository },

server/src/services/database.service.spec.ts

@@ -1,12 +1,20 @@
-import { DatabaseExtension, EXTENSION_NAMES, IDatabaseRepository } from 'src/interfaces/database.interface';
+import { IConfigRepository } from 'src/interfaces/config.interface';
+import {
+  DatabaseExtension,
+  EXTENSION_NAMES,
+  IDatabaseRepository,
+  VectorExtension,
+} from 'src/interfaces/database.interface';
 import { ILoggerRepository } from 'src/interfaces/logger.interface';
 import { DatabaseService } from 'src/services/database.service';
+import { newConfigRepositoryMock } from 'test/repositories/config.repository.mock';
 import { newDatabaseRepositoryMock } from 'test/repositories/database.repository.mock';
 import { newLoggerRepositoryMock } from 'test/repositories/logger.repository.mock';
 import { Mocked } from 'vitest';
 
 describe(DatabaseService.name, () => {
   let sut: DatabaseService;
+  let configMock: Mocked<IConfigRepository>;
   let databaseMock: Mocked<IDatabaseRepository>;
   let loggerMock: Mocked<ILoggerRepository>;
   let extensionRange: string;
@@ -16,9 +24,11 @@ describe(DatabaseService.name, () => {
   let versionAboveRange: string;
 
   beforeEach(() => {
+    configMock = newConfigRepositoryMock();
     databaseMock = newDatabaseRepositoryMock();
     loggerMock = newLoggerRepositoryMock();
-    sut = new DatabaseService(databaseMock, loggerMock);
+
+    sut = new DatabaseService(configMock, databaseMock, loggerMock);
 
     extensionRange = '0.2.x';
     databaseMock.getExtensionVersionRange.mockReturnValue(extensionRange);
@@ -33,11 +43,6 @@ describe(DatabaseService.name, () => {
     });
   });
 
-  afterEach(() => {
-    delete process.env.DB_SKIP_MIGRATIONS;
-    delete process.env.DB_VECTOR_EXTENSION;
-  });
-
   it('should work', () => {
     expect(sut).toBeDefined();
   });
@@ -50,12 +55,12 @@ describe(DatabaseService.name, () => {
     expect(databaseMock.getPostgresVersion).toHaveBeenCalledTimes(1);
   });
 
-  describe.each([
+  describe.each(<Array<{ extension: VectorExtension; extensionName: string }>>[
     { extension: DatabaseExtension.VECTOR, extensionName: EXTENSION_NAMES[DatabaseExtension.VECTOR] },
     { extension: DatabaseExtension.VECTORS, extensionName: EXTENSION_NAMES[DatabaseExtension.VECTORS] },
   ])('should work with $extensionName', ({ extension, extensionName }) => {
     beforeEach(() => {
-      process.env.DB_VECTOR_EXTENSION = extensionName;
+      configMock.getEnv.mockReturnValue({ database: { skipMigrations: false, vectorExtension: extension } });
     });
 
     it(`should start up successfully with ${extension}`, async () => {
@@ -236,18 +241,28 @@ describe(DatabaseService.name, () => {
       expect(databaseMock.runMigrations).toHaveBeenCalledTimes(1);
       expect(loggerMock.fatal).not.toHaveBeenCalled();
     });
+  });
 
-    it('should skip migrations if DB_SKIP_MIGRATIONS=true', async () => {
-      process.env.DB_SKIP_MIGRATIONS = 'true';
+  it('should skip migrations if DB_SKIP_MIGRATIONS=true', async () => {
+    configMock.getEnv.mockReturnValue({
+      database: {
+        skipMigrations: true,
+        vectorExtension: DatabaseExtension.VECTORS,
+      },
+    });
 
-      await expect(sut.onBootstrap()).resolves.toBeUndefined();
+    await expect(sut.onBootstrap()).resolves.toBeUndefined();
 
-      expect(databaseMock.runMigrations).not.toHaveBeenCalled();
-    });
+    expect(databaseMock.runMigrations).not.toHaveBeenCalled();
   });
 
   it(`should throw error if pgvector extension could not be created`, async () => {
-    process.env.DB_VECTOR_EXTENSION = 'pgvector';
+    configMock.getEnv.mockReturnValue({
+      database: {
+        skipMigrations: true,
+        vectorExtension: DatabaseExtension.VECTOR,
+      },
+    });
     databaseMock.getExtensionVersion.mockResolvedValue({
       installedVersion: null,
       availableVersion: minVersionInRange,

server/src/services/database.service.ts

@@ -1,8 +1,8 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { Duration } from 'luxon';
 import semver from 'semver';
-import { getVectorExtension } from 'src/database.config';
 import { OnEmit } from 'src/decorators';
+import { IConfigRepository } from 'src/interfaces/config.interface';
 import {
   DatabaseExtension,
   DatabaseLock,
@@ -67,6 +67,7 @@ export class DatabaseService {
   private reconnection?: NodeJS.Timeout;
 
   constructor(
+    @Inject(IConfigRepository) private configRepository: IConfigRepository,
     @Inject(IDatabaseRepository) private databaseRepository: IDatabaseRepository,
     @Inject(ILoggerRepository) private logger: ILoggerRepository,
   ) {
@@ -85,7 +86,8 @@ export class DatabaseService {
     }
 
     await this.databaseRepository.withLock(DatabaseLock.Migrations, async () => {
-      const extension = getVectorExtension();
+      const envData = this.configRepository.getEnv();
+      const extension = envData.database.vectorExtension;
       const name = EXTENSION_NAMES[extension];
       const extensionRange = this.databaseRepository.getExtensionVersionRange(extension);
 
@@ -116,7 +118,8 @@ export class DatabaseService {
 
       await this.checkReindexing();
 
-      if (process.env.DB_SKIP_MIGRATIONS !== 'true') {
+      const { database } = this.configRepository.getEnv();
+      if (!database.skipMigrations) {
         await this.databaseRepository.runMigrations();
       }
     });

server/test/repositories/config.repository.mock.ts

@@ -0,0 +1,14 @@
+import { IConfigRepository } from 'src/interfaces/config.interface';
+import { DatabaseExtension } from 'src/interfaces/database.interface';
+import { Mocked, vitest } from 'vitest';
+
+export const newConfigRepositoryMock = (): Mocked<IConfigRepository> => {
+  return {
+    getEnv: vitest.fn().mockReturnValue({
+      database: {
+        skipMigration: false,
+        vectorExtension: DatabaseExtension.VECTORS,
+      },
+    }),
+  };
+};