nestjs typeorm without entities code example
Example: nestjs typeorm update entity
import { Injectable } from '@nestjs/common';
import { Todo } from './todo.entity';
import { Repository, DeleteResult } from 'typeorm';
import { InjectRepository } from '@nestjs/typeorm';
import { CreateTodoDto } from './todos.dto';
@Injectable()
export class TodosService {
constructor(
@InjectRepository(Todo)
private readonly todoRepository: Repository<Todo>,
) {}
public async findAll(): Promise<Todo[]> {
return await this.todoRepository.find();
}
public async findById(id: number): Promise<Todo | null> {
return await this.todoRepository.findOneOrFail(id);
}
public async create(todo: CreateTodoDto): Promise<Todo> {
return await this.todoRepository.save(todo);
}
public async update(
id: number,
newValue: CreateTodoDto,
): Promise<Todo | null> {
const todo = await this.todoRepository.findOneOrFail(id);
if (!todo.id) {
console.error("Todo doesn't exist");
}
await this.todoRepository.update(id, newValue);
return await this.todoRepository.findOne(id);
}
public async delete(id: number): Promise<DeleteResult> {
return await this.todoRepository.delete(id);
}
}
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