[PYTHON] Let's make a nervous breakdown application with Vue.js and Django-Rest-Framework [Part 6] ~ User Authentication 2 ~

<< Part 5

Implemented login

Login screen creation

Login.vue

<template>
  <v-form>
    <v-container>
      <v-row>
        <v-col cols="12">
          <v-text-field
            v-model="username"
            label="Username"
            outlined
          ></v-text-field>
        </v-col>
      </v-row>

      <v-row>
        <v-col cols="12">
          <v-text-field
            v-model="password"
            outlined
            label="Password"
            style="min-height: 96px"
            type="password"
          >
          </v-text-field>
        </v-col>
      </v-row>

      <div class="text-right">
        <v-btn depressed large color="primary">Login</v-btn>
      </div>
    </v-container>
  </v-form>
</template>

<script>
export default {
  name: 'Login',
  data: function () {
    return {
      username: null,
      password: null
    }
  },
  mounted () {
    //
  }
}
</script>

Fixed router / index.ts

router/index.ts

import Vue from 'vue'
import Router from 'vue-router'
import PlayScreen from '@/views/PlayScreen.vue'
import Login from '@/views/Login.vue'

Vue.use(Router)

export default new Router({
  mode:'history',
  routes: [
    {
      path: '/',
      redirect: 'login'
    },
    {
      path: '/login',
      name: 'login',
      component: Login
    },
    {
      path: '/playscreen',
      name: 'playscreen',
      component: PlayScreen
    },
  ]
})

When you do npm run dev, the created login screen will be displayed initially.

vuex installation

npm install vuex --save

install axios

axios is a "Promise-based HTTP client" (from official).

npm install axios --save

Prepare a common function to throw get and post requests with axios

Prepare a ʻapifolder directly undersrc`, and create common.ts directly under it to prepare common functions of axios.

concentratio #Project root directory
├── config
│   ├── ...
│
├── frontend
│   ├── ...
│   ├── ..
│   ├── .
│   └── src
│         └──api #Create
│             └──common.ts #Create
└── manage.py

src/api/common.ts

import axios from "axios";

const baseRequest = axios.create({
  baseURL: "http://localhost:8000",
  headers: {
      "Content-Type": "application/json",
  }
});

/**
 *GET request
 * @param url URL
 */
function get(url) {
  return baseRequest.get(url);
}

/**
 *POST request
 * @param url URL
 */
function post(url, payload) {
  return baseRequest.post(url, payload);
}

export default {
    get,
    post
};

Prepare vuex module for authentication

concentratio #Project root directory
├── config
│   ├── ...
│
├── frontend
│   ├── ...
│   ├── ..
│   ├── .
│   └── src
│         └──store #Create
│             └──authenticates #Create
│                 ├──actions.ts #Create
│                 └──index.ts.ts #Create
│                 └──mutations.ts #Create
└── manage.py

store/authenticates/actions.ts

import commonAxios from "../../api/common";

export default {
  LOGIN: function({ commit }, payload) {
    return new Promise((success, error) => {
      commonAxios.post("/api-token-auth/", payload).then(
        response => {
          //Processing on success
          commit("SET_TOKEN", response.data.token); // mutations.ts SET_Pass the token to the TOKEN function
          commonAxios.baseRequest.defaults.headers.common['Authorization'] = `JWT ${response.data.token}`;
          success();
        }
      );
    });
  }
}

store/authenticates/index.ts

import actions from './actions';

export const state = {};

export default {
  namespaced: true, //Be sure to put it on or off, you will get an error when reading with mapActions of vue.
  state,
  actions,
  mutations
};

store/authenticates/mutations.ts

export default {
  SET_TOKEN: function(state, token) {
    state.token = token
  }
};

Create ʻindex.ts directly under src / store`

store/index.ts

import Vue from "vue";
import Vuex from "vuex";
import authModules from "./authenticates"; //Load the module under authenticates with the name authModules

Vue.use(Vuex);

export default new Vuex.Store({
  modules: {
    authModules: authModules,
  }
});

Fixed src / main.ts

src/main.ts

.
..
...
import store from "./store"; //add to
...
..
.
new Vue({
  el: '#app',
  router,
  components: { App },
  template: '<App/>',
  vuetify: new Vuetify(),
  store //add to
});

Fixed Login.vue

Login.vue

<template>
  <v-form>
    <v-container>
      ...
      ..
      .

      <div class="text-right">
        <v-btn depressed large color="primary" @click="login">
Login
        </v-btn>
      </div>
    </v-container>
  </v-form>
</template>

<script>
import { mapActions } from "vuex";

export default {
  name: "Login",
  data: function() {
    return {
      username: null,
      password: null
    };
  },
  methods: {
    ...mapActions("authModules", ["LOGIN"]), //Modularized action.Read LOGIN function from ts
    login: function() {
      const data = {
        username: this.username,
        password: this.password
      };
      this.LOGIN(data).then(res => {
        console.log(res);
      });
    }
  },
  mounted() {
    //
  }
};
</script>

Check if response is returned

After entering the correct username and password, press the login button and check that the response is returned.

It's back!

After successful authentication, move to the top page.

Just replace console.log (res); in Login.vue withthis. $ Router.push ("/ playscreen");.

that's all

I was able to successfully transition to the top page from the login screen.