feat: wip migrate server to nestjs

packages/server-nest/src/modules/System/SystemDB/SystemDB.module.ts

@@ -0,0 +1,49 @@
+import Knex from 'knex';
+import { Global, Module } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import {
+  SystemKnexConnection,
+  SystemKnexConnectionConfigure,
+} from './SystemDB.constants';
+import { SystemDatabaseController } from './SystemDB.controller';
+import { knexSnakeCaseMappers } from 'objection';
+
+const providers = [
+  {
+    provide: SystemKnexConnectionConfigure,
+    inject: [ConfigService],
+    useFactory: (configService: ConfigService) => ({
+      client: configService.get('systemDatabase.client'),
+      connection: {
+        host: configService.get('systemDatabase.host'),
+        user: configService.get('systemDatabase.user'),
+        password: configService.get('systemDatabase.password'),
+        database: configService.get('systemDatabase.databaseName'),
+        charset: 'utf8',
+      },
+      migrations: {
+        directory: configService.get('systemDatabase.migrationDir'),
+      },
+      seeds: {
+        directory: configService.get('systemDatabase.seedsDir'),
+      },
+      pool: { min: 0, max: 7 },
+      ...knexSnakeCaseMappers({ upperCase: true }),
+    }),
+  },
+  {
+    provide: SystemKnexConnection,
+    inject: [SystemKnexConnectionConfigure],
+    useFactory: (knexConfig) => {
+      return Knex(knexConfig);
+    },
+  },
+];
+
+@Global()
+@Module({
+  providers: [...providers],
+  exports: [...providers],
+  controllers: [SystemDatabaseController],
+})
+export class SystemDatabaseModule {}