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Comments (9)

Rmannn avatar Rmannn commented on May 30, 2024

The problem is that your method seedOrganization is not binded to your instance.
There are 2 simple ways to fix it.

You can bind your method in your constructor.

constructor(...){
    this.seedOrganization = this.seedOrganization.bind(this);
    // your code
}

Or you can declare your method in your class using arrow function. (see how we declare functions in the readme using the service)

seedOrganization = async (): Promise<boolean> => {
    // your code
}

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kashyap-aditya avatar kashyap-aditya commented on May 30, 2024

Thank you. I'll try that and get back to you.

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kashyap-aditya avatar kashyap-aditya commented on May 30, 2024

This worked perfectly.
I also have a documentation request:
Can you add a section showing how to accept commands such as:

console help

instead of

npm run console --help

(basically want to skip typing 'npm run' at the start)

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Rmannn avatar Rmannn commented on May 30, 2024

This is not easy cause you have dev env and production env, different shells and path structure...
In dev env, you're using typescript, ts-node.
In production you're using node.

You could add a Shebang (e.g #!/usr/bin/node) at top of your console file, see (https://docs.npmjs.com/files/package.json#bin)
Once compiled, if your module is installed as an external package you could use npx to call the binary.
Or you could invoke the binary using his path without the need to call node.
If your console is in the fodler "build/bin" you could call the console build/bin/console.js help

If you really want to call the binary directly, you could add it to your computer Env variable PATH.

Do not forget to make the binary executable using the command chmod +x path/to/the/binary.

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kashyap-aditya avatar kashyap-aditya commented on May 30, 2024

Follow up question:

I inject a repository using

@InjectRepositor(User)
private readonly userRepository: Repository<User>

When I try to access any function of this repository (such as findOne), I get an error saying - Cannot read property 'findOne' of undefined.
Here is the function in which I try to access the repository:


getAUser = async (): Promise<User> => {
    let user:User = await this.userRepository.findOne({where:{email:'[email protected]'}}
}

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Rmannn avatar Rmannn commented on May 30, 2024

Is your repository correctly intialised in your module? Is your module imported by the module you load in the console bootstrap ?
I can't help you without a git repository reproducing the error.

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kashyap-aditya avatar kashyap-aditya commented on May 30, 2024

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kashyap-aditya avatar kashyap-aditya commented on May 30, 2024

Running npm run console:dev -- getAUser fails with the error:

TypeError: Cannot read property 'findOne' of undefined

Here is cli.service.ts.

import { Injectable } from '@nestjs/common';
import { ConsoleService } from 'nestjs-console';
import { User } from '@app/model/entity/user.entity';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';

@Injectable()
export class CliService {
  constructor(
    @InjectRepository(User)
    private readonly userRepository: Repository<User>,
    private readonly consoleService: ConsoleService,
  ) {
    // get the root cli
    const cli = this.consoleService.getCli();

    // just for debugging. REMOVE BEFORE PUSHING
    this.consoleService.createCommand(
      {
        command: 'getAUser',
      },
      CliService.prototype.getAUser,
      cli,
    );
  }

  async getAUser(): Promise<User> {
    let user: User;
    try {
      user = await this.userRepository.findOne({
        where: {
          loginEmail: '[email protected]',
        },
      });
    } catch (error) {
      throw new Error('ERROR ATTEMPTING TO GET USER. ' + error);
    }
    return Promise.resolve(user);
  }
}

Here is my cli.module


import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { LoggerModule } from 'nestjs-pino';
import { CliService } from '@app/cli/cli.service';
import { ConsoleModule } from 'nestjs-console';
import { User } from '@app/model/entity/user.entity';


@Module({
  imports: [
    TypeOrmModule.forFeature([
      User,
    ]),
    TypeOrmModule.forRoot(),
    LoggerModule.forRoot(),
    ConsoleModule,
  ],
  providers: [CliService],
  exports: [CliService],
})
export class CliModule {}

And If I create a cli.controller.ts, and run the app using npm:start, it works just fine.

import { Controller, Get } from '@nestjs/common';
import { CliService } from './cli.service';

@Controller('db')
export class CliController {
  constructor(private readonly cliService: CliService) {}

  @Get('/user')
  public async seed() {
    await this.cliService.getAUser();
  }
}

Here is the console.ts file


import { BootstrapConsole } from 'nestjs-console';
import { CliModule } from '@app/cli/cli.module';

const bootstrap = new BootstrapConsole({
  module: CliModule,
  useDecorators: false,
});
bootstrap.init().then(async app => {
  try {
    // init your app
    await app.init();
    // boot the cli
    await bootstrap.boot();
    process.exit(0);
  } catch (e) {
    process.exit(1);
  }
});

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kashyap-aditya avatar kashyap-aditya commented on May 30, 2024

Solution:


this.consoleService.createCommand(
      {
        command: 'getAUser',
      },
      CliService.prototype.getAUser.bind(this),
      cli,
    );

Added .bind(this)

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