chore: rename fundamentals to base (#9119)

packages/backend/server/src/base/prisma/config.ts

@@ -0,0 +1,17 @@
+import type { Prisma } from '@prisma/client';
+
+import { defineStartupConfig, ModuleConfig } from '../config';
+
+interface PrismaStartupConfiguration extends Prisma.PrismaClientOptions {
+  datasourceUrl: string;
+}
+
+declare module '../config' {
+  interface AppConfig {
+    prisma: ModuleConfig<PrismaStartupConfiguration>;
+  }
+}
+
+defineStartupConfig('prisma', {
+  datasourceUrl: '',
+});

packages/backend/server/src/base/prisma/index.ts

@@ -0,0 +1,32 @@
+import './config';
+
+import { Global, Module, Provider } from '@nestjs/common';
+import { PrismaClient } from '@prisma/client';
+
+import { Config } from '../config';
+import { PrismaService } from './service';
+
+// only `PrismaClient` can be injected
+const clientProvider: Provider = {
+  provide: PrismaClient,
+  useFactory: (config: Config) => {
+    if (PrismaService.INSTANCE) {
+      return PrismaService.INSTANCE;
+    }
+
+    return new PrismaService(config.prisma);
+  },
+  inject: [Config],
+};
+
+@Global()
+@Module({
+  providers: [clientProvider],
+  exports: [clientProvider],
+})
+export class PrismaModule {}
+export { PrismaService } from './service';
+
+export type PrismaTransaction = Parameters<
+  Parameters<PrismaClient['$transaction']>[0]
+>[0];

packages/backend/server/src/base/prisma/service.ts

@@ -0,0 +1,27 @@
+import type { OnModuleDestroy, OnModuleInit } from '@nestjs/common';
+import { Injectable } from '@nestjs/common';
+import { Prisma, PrismaClient } from '@prisma/client';
+
+@Injectable()
+export class PrismaService
+  extends PrismaClient
+  implements OnModuleInit, OnModuleDestroy
+{
+  static INSTANCE: PrismaService | null = null;
+
+  constructor(opts: Prisma.PrismaClientOptions) {
+    super(opts);
+    PrismaService.INSTANCE = this;
+  }
+
+  async onModuleInit() {
+    await this.$connect();
+  }
+
+  async onModuleDestroy(): Promise<void> {
+    if (!AFFiNE.node.test) {
+      await this.$disconnect();
+      PrismaService.INSTANCE = null;
+    }
+  }
+}