web-server/src/shared/http-client/http-client.service.ts

import { HttpService } from '@nestjs/axios'
import { Injectable } from '@nestjs/common'
import { lastValueFrom } from 'rxjs'

import { ServiceResponse } from '@/response/response.interface'
import { HttpStatusCode } from '@/response/status-code.enum'

@Injectable()
export class HttpClientService {
  constructor(private readonly httpService: HttpService) {}

  async get<T>(
    url: string,
    params?: Record<string, any>
  ): Promise<ServiceResponse<T>> {
    try {
      const responseObservable = await this.httpService.get<ServiceResponse<T>>(
        url,
        { params }
      )
      const { data } = await lastValueFrom(responseObservable)
      return data
    } catch (error) {
      return {
        code: HttpStatusCode.INTERNAL_SERVER_ERROR,
        msg: error.message,
        data: null as T
      }
    }
  }

  async post<T>(
    url: string,
    params?: Record<string, any>
  ): Promise<ServiceResponse<T>> {
    try {
      const responseObservable = await this.httpService.post<
        ServiceResponse<T>
      >(url, params, {
        headers: {
          'Content-Type': 'application/json'
        }
      })
      const { data } = await lastValueFrom(responseObservable)
      return data
    } catch (error) {
      return {
        code: HttpStatusCode.INTERNAL_SERVER_ERROR,
        msg: error.message,
        data: null as T
      }
    }
  }
}