gql.js

import TOKEN_AUTH from '~/graphql/mutation/tokenAuth.gql'
import GET_LOGGED_USER from '~/graphql/query/getLoggedUser.gql'

export default class ApolloScheme {
  constructor(auth, options) {
    this.$auth = auth
    this.name = options._name
    this.client = this.$auth.ctx.app.apolloProvider.clients.defaultClient

    this.options = Object.assign({}, options)
  }

  mounted() {
    this.$auth.syncToken(this.name)
    return this.$auth.fetchUserOnce()
  }

  async login(endpoint) {
    await this.logout()
    const {
      data: {
        tokenAuth: { token }
      }
    } = await this.client.mutate({
      mutation: TOKEN_AUTH,
      variables: {
        email: endpoint.data.email,
        password: endpoint.data.password
      }
    })
    this.$auth.setToken(this.name, token)
    return this.fetchUser()
  }

  async fetchUser() {
    if (!this.$auth.getToken('apollo')) {
      return
    }
    try {
      const {
        data: { me }
      } = await this.client.query({
        query: GET_LOGGED_USER,
        fetchPolicy: 'network-only'
      })
      this.$auth.setUser(me)
    } catch (e) {
      if (e.networkError.response.status === 401) {
        this.logout()
      }
    }
  }

  async logout() {
    return this.$auth.reset()
  }
}