refactor; add health check

src/app.module.ts

@@ -3,14 +3,16 @@ import { AutomapperModule } from '@automapper/nestjs';
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 import { ConfigurationModule } from './modules/configuration/configuration.module';
-import { TerritoriesModule } from './modules/territories/territories.module';
+import { TerritoryModule } from './modules/territory/territory.module';
+import { HealthModule } from './modules/health/health.module';
 
 @Module({
   imports: [
     ConfigModule.forRoot({ isGlobal: true }),
     AutomapperModule.forRoot({ strategyInitializer: classes() }),
-    TerritoriesModule,
+    TerritoryModule,
     ConfigurationModule,
+    HealthModule,
   ],
   controllers: [],
   providers: [],

src/main.ts

@@ -9,11 +9,14 @@ async function bootstrap() {
     {
       transport: Transport.GRPC,
       options: {
-        package: 'territory',
-        protoPath: join(
-          __dirname,
-          'modules/territories/adapters/primaries/territory.proto',
-        ),
+        package: ['territory', 'health'],
+        protoPath: [
+          join(
+            __dirname,
+            'modules/territories/adapters/primaries/territory.proto',
+          ),
+          join(__dirname, 'modules/health/adapters/primaries/health.proto'),
+        ],
         url: process.env.SERVICE_URL + ':' + process.env.SERVICE_PORT,
         loader: { keepCase: true },
       },

src/modules/databases/src/domain/territory-repository.ts

@@ -2,7 +2,7 @@ import { PrismaRepository } from '../adapters/secondaries/prisma-repository.abst
 import { ICollection } from '../interfaces/collection.interface';
 import { Point } from './point.type';
 import { v4 as uuidv4 } from 'uuid';
-import { Territory } from 'src/modules/territories/domain/entities/territory';
+import { Territory } from 'src/modules/territory/domain/entities/territory';
 import { DatabaseException } from '../exceptions/database.exception';
 
 export class TerritoryRepository<T> extends PrismaRepository<T> {

src/modules/databases/tests/unit/territory-repository.spec.ts

@@ -2,8 +2,8 @@ import { Injectable } from '@nestjs/common';
 import { Test, TestingModule } from '@nestjs/testing';
 import { PrismaService } from '../../src/adapters/secondaries/prisma-service';
 import { TerritoryRepository } from '../../src/domain/territory-repository';
-import { Territory } from '../../../territories/domain/entities/territory';
-import { Point } from '../../../territories/domain/entities/point';
+import { Territory } from '../../../territory/domain/entities/territory';
+import { Point } from '../../../territory/domain/entities/point';
 import { DatabaseException } from '../../src/exceptions/database.exception';
 
 const mockTerritories: Array<Territory> = [

src/modules/health/adapters/primaries/health.controller.ts

@@ -0,0 +1,27 @@
+import { Controller } from '@nestjs/common';
+import { GrpcMethod } from '@nestjs/microservices';
+
+enum ServingStatus {
+  UNKNOWN = 0,
+  SERVING = 1,
+  NOT_SERVING = 2,
+}
+
+interface HealthCheckRequest {
+  service: string;
+}
+
+interface HealthCheckResponse {
+  status: ServingStatus;
+}
+
+@Controller()
+export class HealthController {
+  @GrpcMethod('Health', 'Check')
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  check(data: HealthCheckRequest, metadata: any): HealthCheckResponse {
+    return {
+      status: ServingStatus.SERVING,
+    };
+  }
+}

src/modules/health/adapters/primaries/health.proto

@@ -0,0 +1,21 @@
+syntax = "proto3";
+
+package health;
+
+
+service Health {
+  rpc Check(HealthCheckRequest) returns (HealthCheckResponse);
+}
+
+message HealthCheckRequest {
+  string service = 1;
+}
+
+message HealthCheckResponse {
+  enum ServingStatus {
+    UNKNOWN = 0;
+    SERVING = 1;
+    NOT_SERVING = 2;
+  }
+  ServingStatus status = 1;
+}

src/modules/health/health.module.ts

@@ -0,0 +1,7 @@
+import { Module } from '@nestjs/common';
+import { HealthController } from './adapters/primaries/health.controller';
+
+@Module({
+  controllers: [HealthController],
+})
+export class HealthModule {}

src/modules/territory/adapters/primaries/territory.controller.ts

@@ -6,7 +6,7 @@ import { GrpcMethod, RpcException } from '@nestjs/microservices';
 import { Territory } from '../../domain/entities/territory';
 import { FindAllTerritoriesForPointQuery } from '../../queries/find-all-territories-for-point.query';
 import { TerritoryPresenter } from './territory.presenter';
-import { ICollection } from '../../../database/src/interfaces/collection.interface';
+import { ICollection } from '../../../databases/src/interfaces/collection.interface';
 import { RpcValidationPipe } from '../../../../utils/pipes/rpc.validation-pipe';
 import { FindAllTerritoriesForPointRequest } from '../../domain/dtos/find-all-territories-for-point.request';
 import { FindAllTerritoriesRequest } from '../../domain/dtos/find-all-territories.request';
@@ -15,7 +15,7 @@ import { FindTerritoryByUuidRequest } from '../../domain/dtos/find-territory-by-
 import { FindTerritoryByUuidQuery } from '../../queries/find-territory-by-uuid.query';
 import { CreateTerritoryRequest } from '../../domain/dtos/create-territory.request';
 import { CreateTerritoryCommand } from '../../commands/create-territory.command';
-import { DatabaseException } from 'src/modules/database/src/exceptions/database.exception';
+import { DatabaseException } from 'src/modules/databases/src/exceptions/database.exception';
 import { UpdateTerritoryRequest } from '../../domain/dtos/update-territory.request';
 import { UpdateTerritoryCommand } from '../../commands/update-territory.command';
 import { DeleteTerritoryCommand } from '../../commands/delete-territory.command';
@@ -29,7 +29,7 @@ import { FindAllTerritoriesForPointsQuery } from '../../queries/find-all-territo
   }),
 )
 @Controller()
-export class TerritoriesController {
+export class TerritoryController {
   constructor(
     private readonly _commandBus: CommandBus,
     private readonly _queryBus: QueryBus,

src/modules/territory/adapters/secondaries/territories.repository.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@nestjs/common';
-import { TerritoryRepository } from '../../../database/src/domain/territory-repository';
+import { TerritoryRepository } from '../../../databases/src/domain/territory-repository';
 import { Territory } from '../../domain/entities/territory';
 
 @Injectable()

src/modules/territory/domain/usecases/find-all-territories-for-point.usecase.ts

@@ -1,5 +1,5 @@
 import { QueryHandler } from '@nestjs/cqrs';
-import { ICollection } from 'src/modules/database/src/interfaces/collection.interface';
+import { ICollection } from 'src/modules/databases/src/interfaces/collection.interface';
 import { TerritoriesRepository } from '../../adapters/secondaries/territories.repository';
 import { FindAllTerritoriesForPointQuery } from '../../queries/find-all-territories-for-point.query';
 import { Territory } from '../entities/territory';

src/modules/territory/domain/usecases/find-all-territories-for-points.usecase.ts

@@ -1,5 +1,5 @@
 import { QueryHandler } from '@nestjs/cqrs';
-import { ICollection } from 'src/modules/database/src/interfaces/collection.interface';
+import { ICollection } from 'src/modules/databases/src/interfaces/collection.interface';
 import { TerritoriesRepository } from '../../adapters/secondaries/territories.repository';
 import { FindAllTerritoriesForPointsQuery } from '../../queries/find-all-territories-for-points.query';
 import { Territory } from '../entities/territory';

src/modules/territory/domain/usecases/find-all-territories.usecase.ts

@@ -1,5 +1,5 @@
 import { QueryHandler } from '@nestjs/cqrs';
-import { ICollection } from 'src/modules/database/src/interfaces/collection.interface';
+import { ICollection } from 'src/modules/databases/src/interfaces/collection.interface';
 import { TerritoriesRepository } from '../../adapters/secondaries/territories.repository';
 import { FindAllTerritoriesQuery } from '../../queries/find-all-territories.query';
 import { Territory } from '../entities/territory';

src/modules/territory/territory.module.ts

@@ -4,8 +4,8 @@ import { CacheModule, Module } from '@nestjs/common';
 import { ConfigModule, ConfigService } from '@nestjs/config';
 import { CqrsModule } from '@nestjs/cqrs';
 import { redisStore } from 'cache-manager-ioredis-yet';
-import { DatabaseModule } from '../database/database.module';
-import { TerritoriesController } from './adapters/primaries/territories.controller';
+import { DatabaseModule } from '../databases/database.module';
+import { TerritoryController } from './adapters/primaries/territory.controller';
 import { TerritoriesRepository } from './adapters/secondaries/territories.repository';
 import { Messager } from './adapters/secondaries/messager';
 import { CreateTerritoryUseCase } from './domain/usecases/create-territory.usecase';
@@ -48,7 +48,7 @@ import { TerritoryProfile } from './mappers/territory.profile';
       inject: [ConfigService],
     }),
   ],
-  controllers: [TerritoriesController],
+  controllers: [TerritoryController],
   providers: [
     TerritoryProfile,
     TerritoriesRepository,
@@ -63,4 +63,4 @@ import { TerritoryProfile } from './mappers/territory.profile';
   ],
   exports: [],
 })
-export class TerritoriesModule {}
+export class TerritoryModule {}

src/modules/territory/tests/integration/territories.repository.spec.ts

@@ -1,7 +1,7 @@
 import { TestingModule, Test } from '@nestjs/testing';
-import { DatabaseModule } from '../../../database/database.module';
-import { PrismaService } from '../../../database/src/adapters/secondaries/prisma-service';
-import { DatabaseException } from '../../../database/src/exceptions/database.exception';
+import { DatabaseModule } from '../../../databases/database.module';
+import { PrismaService } from '../../../databases/src/adapters/secondaries/prisma-service';
+import { DatabaseException } from '../../../databases/src/exceptions/database.exception';
 import { TerritoriesRepository } from '../../adapters/secondaries/territories.repository';
 import { v4 as uuidv4 } from 'uuid';
 import { Territory } from '../../domain/entities/territory';

src/utils/tests/unit/rpc-validation-pipe.usecase.spec.ts

@@ -1,5 +1,5 @@
 import { ArgumentMetadata } from '@nestjs/common';
-import { UpdateTerritoryRequest } from '../../../modules/territories/domain/dtos/update-territory.request';
+import { UpdateTerritoryRequest } from '../../../modules/territory/domain/dtos/update-territory.request';
 import { RpcValidationPipe } from '../../pipes/rpc.validation-pipe';
 
 describe('RpcValidationPipe', () => {