API Call Saga Example Usage

callApiSagaExaple.js

import { call, put, select } from 'redux-saga/effects'
import camel from 'to-camel-case'

export function * callAPI (api, action) {
  let method = action.type.split('_')
  method.pop()
  method = camel(method.join('_'))

  const apiCall = api[method]
  const payload = { ...action }

  delete payload.type

  const state = yield select()
  const { token } = state.Auth
  if (token !== null) api.setToken(token.token)

  const response = yield call(apiCall, { ...payload })
  if (response.ok) {
    const newType = action.type.replace('_REQUEST', '_SUCCESS')
    const { data, headers } = response

    const token = headers['access-token']
    yield put({type: 'SET_TOKEN', token})

    // вместо этого говна должно быть что-то универсальное
    if (action.type === 'GET_RECOMMENDED_CITIES_REQUEST') {
      yield put({ type: newType, data, index: action.index })
    } else if (action.type === 'GET_MAP_OF_PRICES_REQUEST') {
      yield put({ type: newType, data, direction: 'MAP_OF_PRICES' })
    } else if (action.type === 'GET_CALENDAR_OF_PRICES_FOR_MONTH_REQUEST') {
      yield put({ type: newType, data, direction: 'CALENDAR_OF_PRICES' })
    } else {
      yield put({ type: newType, data })
    }
    // localStorage.setItem('access-token', token)
  } else {
    const newType = action.type.replace('_REQUEST', '_FAILURE')
    yield put({
      type: newType,
      problem: response.problem,
      status: response.status,
      errors: response.data.errors
    })
  }
}