$ npm i @scalio/nest-couchdb nano@scalio/nest-couchdb uses nano as a data provider for CouchDB and the Repository pattern to handle all documents related operations.
First, let's create an Entity:
import { Entity, CouchDbEntity } from '@scalio/nest-couchdb';
@Entity('cats')
export class Cat extends CouchDbEntity {
name: string;
}Where cats is the CouchDB database name.
The CouchDbEntity is a base class which has some common properties:
class CouchDbEntity {
_id: string;
_rev: string;
}Then, we need to import CouchDbModule in our ApplicationModule:
import { Module } from '@nestjs/common';
import { CouchDbModule } from '@scalio/nest-couchdb';
@Module({
imports: [
CouchDbModule.forRoot({
url: 'http://localhost:5984',
username: 'couchdb',
userpass: 'password',
requestDefaults: { jar: true },
}),
],
})
export class ApplicationModule {}In our CatsModule we need to initiate repository for our Cat entity:
import { Module } from '@nestjs/common';
import { CouchDbModule } from '@scalio/nest-couchdb';
import { CatsService } from './cats.service';
import { CatsController } from './cats.controller';
import { Cat } from './cat.entity';
@Module({
imports: [CouchDbModule.forFeature([Cat])],
providers: [CatsService],
controllers: [CatsController],
})
export class CatsModule {}And here is the usage of the repository in the service:
import { DocumentListResponse } from 'nano';
import { Injectable } from '@nestjs/common';
import { InjectRepository, Repository } from '@scalio/nest-couchdb';
import { Cat } from './cat.entity';
@Injectable()
export class CatsService {
constructor(
@InjectRepository(Cat)
private readonly catsRepository: Repository<Cat>,
) {}
findAll(): Promise<DocumentListResponse<Cat> {
return this.catsRepository.list();
}
}$ docker-compose up -d
$ npm testCreated by @zMotivat0r @ Scalio
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