From cecda6194d66f110c03ce7022951b0f22d39dd08 Mon Sep 17 00:00:00 2001
From: busti <mbust@live.de>
Date: Fri, 27 Dec 2019 02:06:04 +0100
Subject: [PATCH] implemented toasts for error messages

---
 package.json             |  1 +
 src/App.vue              | 11 ++++++---
 src/components/Toast.vue | 48 ++++++++++++++++++++++++++++++++++++++++
 src/store/index.js       | 26 ++++++++++++++++++++--
 yarn.lock                |  5 +++++
 5 files changed, 86 insertions(+), 5 deletions(-)
 create mode 100644 src/components/Toast.vue

diff --git a/package.json b/package.json
index 1402162..72d874d 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "dotenv-webpack": "^1.7.0",
     "jquery": "^3.4.1",
     "lodash": "^4.17.15",
+    "luxon": "^1.21.3",
     "node-sass": "^4.13.0",
     "popper.js": "^1.16.0",
     "ramda": "^0.26.1",
diff --git a/src/App.vue b/src/App.vue
index 3b6caa7..2d34a41 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -3,22 +3,27 @@
         <AddItem v-if="addModalOpen" @close="closeAddModal()" isModal="true"/>
         <Navbar @addClicked="openAddModal()"/>
         <router-view/>
+        <div aria-live="polite" aria-atomic="true" class="d-flex justify-content-end align-items-start fixed-top mx-1 my-5 py-3" style="min-height: 200px;">
+            <Toast v-for="toast in toasts" :key="toast" :title="toast.title" :message="toast.message" :color="toast.color" @close="removeToast(toast.key)"/>
+        </div>
     </div>
 </template>
 
 <script>
 import Navbar from '@/components/Navbar';
 import AddItem from '@/components/AddItem';
-import { mapState } from 'vuex';
+import Toast from './components/Toast';
+import { mapState, mapMutations } from 'vuex';
 
 export default {
   name: 'app',
-  components: { Navbar, AddItem },
-  computed: mapState(['loadedItems', 'layout']),
+  components: { Toast, Navbar, AddItem },
+  computed: mapState(['loadedItems', 'layout', 'toasts']),
   data: () => ({
     addModalOpen: false
   }),
   methods: {
+    ...mapMutations(['removeToast']),
     openAddModal() {
       this.addModalOpen = true;
     },
diff --git a/src/components/Toast.vue b/src/components/Toast.vue
new file mode 100644
index 0000000..c22d0f1
--- /dev/null
+++ b/src/components/Toast.vue
@@ -0,0 +1,48 @@
+<template>
+    <div class="toast" :class="color && ('border-' + color)" role="alert" ref="toast" data-autohide="false">
+        <div class="toast-header">
+            <strong class="mr-auto pr-3">{{ title }}</strong>
+            <small>{{ displayTime }}</small>
+            <button type="button" class="ml-2 mb-1 close" @click="close()">
+                <span aria-hidden="true">&times;</span>
+            </button>
+        </div>
+        <div class="toast-body" v-html="message">{{ message }}</div>
+    </div>
+</template>
+
+<script>
+import $ from 'jquery';
+import 'bootstrap/js/dist/toast';
+import { DateTime } from 'luxon';
+
+export default {
+  name: 'Toast',
+  props: ['title', 'message', 'color'],
+  data: () => ({
+    creationTime: DateTime.local(),
+    displayTime: 'just now',
+    timer: undefined
+  }),
+  mounted() {
+    const { toast } = this.$refs;
+    $(toast).toast('show');
+    this.timer = setInterval(this.updateDisplayTime, 1000);
+  },
+  methods: {
+    close() {
+      const { toast } = this.$refs;
+      $(toast).toast('hide');
+      window.setTimeout(() => {
+        this.$emit('close');
+      }, 500);
+    },
+    updateDisplayTime() {
+      this.displayTime = this.creationTime.toRelative();
+    }
+  },
+  beforeDestroy() {
+    clearInterval(this.timer);
+  }
+};
+</script>
\ No newline at end of file
diff --git a/src/store/index.js b/src/store/index.js
index 18d1a37..440638b 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -12,16 +12,32 @@ const axios = AxiosBootstrap.create({
 });
 
 axios.interceptors.response.use(response => response, error => {
+  console.log('error interceptor fired');
   console.error(error); // todo: toast error
+  console.log(Object.entries(error));
+
+  if (error.isAxiosError) {
+    const message = `
+      <h3>A HTTP ${error.config.method} request failed.</h3>
+      <p>url: ${error.config.url}</p>
+      <p>timeout: ${!!error.request.timeout}</p>
+      <p>response-body: ${error.response && error.response.body}</p>
+    `;
+    store.commit('createToast', {title: 'HTTP Error', message, color: 'danger'});
+  } else {
+    store.commit('createToast', {title: 'Unknown Error', message: error.toString(), color: 'danger'});
+  }
   return Promise.reject(error);
 });
 
 const store = new Vuex.Store({
   state: {
+    keyIncrement: 0,
     events: [],
     layout: 'cards',
     loadedItems: [],
     loadedBoxes: [],
+    toasts: []
   },
   getters: {
     getEventSlug: state => state.route && state.route.params.event? state.route.params.event : state.events.length ? state.events[0].slug : '36C3',
@@ -54,6 +70,13 @@ const store = new Vuex.Store({
     },
     appendItem(state, item) {
       state.loadedItems.push(item);
+    },
+    createToast(state, { title, message, color }) {
+      state.toasts.push({ title, message, color, key: state.keyIncrement });
+      state.keyIncrement += 1;
+    },
+    removeToast(state, key) {
+      state.toasts = state.toasts.filter(toast => toast.key !== key);
     }
   },
   actions: {
@@ -103,5 +126,4 @@ export default store;
 store.dispatch('loadEvents').then(() =>{
   store.dispatch('loadEventItems');
   store.dispatch('loadBoxes');
-}
-);
+});
diff --git a/yarn.lock b/yarn.lock
index 66a5dac..e8545df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5074,6 +5074,11 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
+luxon@^1.21.3:
+  version "1.21.3"
+  resolved "https://registry.yarnpkg.com/luxon/-/luxon-1.21.3.tgz#f1d5c2a7e855d039836cf4954f883ecac8fc4727"
+  integrity sha512-lLRwNcNnkZLuv13A1FUuZRZmTWF7ro2ricYvb0L9cvBYHPvZhQdKwrYnZzi103D2XKmlVmxWpdn2wfIiOt2YEw==
+
 make-dir@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"