Feature: As an end-user, I should be able to see the list of agents in the widget. (#461)

Co-authored-by: Pranav Raj S <pranavrajs@gmail.com>

app/javascript/dashboard/components/widgets/Thumbnail.vue

@@ -4,13 +4,13 @@
       v-if="!imgError && Boolean(src)"
       id="image"
       :src="src"
-      class="user-thumbnail"
+      :class="thumbnailClass"
       @error="onImgError()"
     />
     <Avatar
       v-else
       :username="username"
-      class="user-thumbnail"
+      :class="thumbnailClass"
       background-color="#1f93ff"
       color="white"
       :size="avatarSize"
@@ -71,6 +71,10 @@ export default {
       type: String,
       default: '',
     },
+    hasBorder: {
+      type: Boolean,
+      default: false,
+    },
   },
   data() {
     return {
@@ -89,6 +93,10 @@ export default {
       const statusSize = `${this.avatarSize / 4}px`;
       return { width: statusSize, height: statusSize };
     },
+    thumbnailClass() {
+      const classname = this.hasBorder ? 'border' : '';
+      return `user-thumbnail ${classname}`;
+    },
   },
   methods: {
     onImgError() {
@@ -111,6 +119,11 @@ export default {
     border-radius: 50%;
     height: 100%;
     width: 100%;
+    box-sizing: border-box;
+
+    &.border {
+      border: 1px solid white;
+    }
   }
 
   .source-badge {

app/javascript/widget/App.vue

@@ -12,6 +12,7 @@ import { IFrameHelper } from 'widget/helpers/utils';
 export default {
   name: 'App',
   mounted() {
+    const { website_token: websiteToken = '' } = window.chatwootWebChannel;
     if (IFrameHelper.isIFrame()) {
       IFrameHelper.sendMessage({
         event: 'loaded',
@@ -25,15 +26,16 @@ export default {
     this.setWidgetColor(window.chatwootWebChannel);
 
     window.addEventListener('message', e => {
-      if (
-        typeof e.data !== 'string' ||
-        e.data.indexOf('chatwoot-widget:') !== 0
-      ) {
-        return;
-      }
-      const message = JSON.parse(e.data.replace('chatwoot-widget:', ''));
+      const wootPrefix = 'chatwoot-widget:';
+      const isDataNotString = typeof e.data !== 'string';
+      const isNotFromWoot = isDataNotString || e.data.indexOf(wootPrefix) !== 0;
+
+      if (isNotFromWoot) return;
+
+      const message = JSON.parse(e.data.replace(wootPrefix, ''));
       if (message.event === 'config-set') {
         this.fetchOldConversations();
+        this.fetchAvailableAgents(websiteToken);
       } else if (message.event === 'widget-visible') {
         this.scrollConversationToBottom();
       } else if (message.event === 'set-current-url') {
@@ -44,6 +46,7 @@ export default {
   methods: {
     ...mapActions('appConfig', ['setWidgetColor']),
     ...mapActions('conversation', ['fetchOldConversations']),
+    ...mapActions('agent', ['fetchAvailableAgents']),
     scrollConversationToBottom() {
       const container = this.$el.querySelector('.conversation-wrap');
       container.scrollTop = container.scrollHeight;

app/javascript/widget/api/agent.js

@@ -0,0 +1,8 @@
+import endPoints from 'widget/api/endPoints';
+import { API } from 'widget/helpers/axios';
+
+export const getAvailableAgents = async websiteToken => {
+  const urlData = endPoints.getAvailableAgents(websiteToken);
+  const result = await API.get(urlData.url, { params: urlData.params });
+  return result;
+};

app/javascript/widget/api/endPoints.js

@@ -18,8 +18,16 @@ const updateContact = id => ({
   url: `/api/v1/widget/messages/${id}${window.location.search}`,
 });
 
+const getAvailableAgents = token => ({
+  url: '/api/v1/widget/inbox_members',
+  params: {
+    website_token: token,
+  },
+});
+
 export default {
   sendMessage,
   getConversation,
   updateContact,
+  getAvailableAgents,
 };

app/javascript/widget/assets/scss/_mixins.scss

@@ -36,14 +36,14 @@ $color-shadow-outline: rgba(66, 153, 225, 0.5);
 }
 
 @mixin shadow {
-  box-shadow: 0 1px 10px -4 $color-shadow-medium,
+  box-shadow: 0 1px 10px 4px $color-shadow-medium,
     0 1px 5px 2px $color-shadow-light;
 }
 
 
 @mixin shadow-medium {
-  box-shadow: 0 4px 6px -8px $color-shadow-medium,
-    0 2px 4px -4px $color-shadow-light;
+  box-shadow: 0 4px 24px 8px $color-shadow-medium,
+    0 2px 16px 4px $color-shadow-light;
 }
 
 

app/javascript/widget/components/AvailableAgents.vue

@@ -0,0 +1,79 @@
+<template>
+  <div class="available-agents">
+    <div class="toast-bg">
+      <div class="avatars-wrap">
+        <GroupedAvatars :users="users" />
+      </div>
+      <div class="title">
+        {{ title }}
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import GroupedAvatars from 'widget/components/GroupedAvatars.vue';
+import { getAvailableAgentsText } from 'widget/helpers/utils';
+
+export default {
+  name: 'AvailableAgents',
+  components: { GroupedAvatars },
+  props: {
+    agents: {
+      type: Array,
+      default: () => [],
+    },
+    onClose: {
+      type: Function,
+      default: () => {},
+    },
+  },
+  computed: {
+    users() {
+      return this.agents.map(agent => ({
+        id: agent.id,
+        avatar: agent.avatar_url,
+        name: agent.name,
+      }));
+    },
+    title() {
+      return getAvailableAgentsText(this.agents);
+    },
+  },
+};
+</script>
+
+<style scoped lang="scss">
+@import '~widget/assets/scss/variables.scss';
+@import '~widget/assets/scss/mixins.scss';
+
+.available-agents {
+  display: flex;
+  position: relative;
+  justify-content: center;
+  margin: $space-normal $space-medium;
+  box-sizing: border-box;
+
+  .toast-bg {
+    border-radius: $space-large;
+    background: $color-body;
+    @include shadow-medium;
+  }
+
+  .title {
+    font-size: $font-size-default;
+    font-weight: $font-weight-medium;
+    color: $color-white;
+    padding: $space-one $space-normal $space-one $space-small;
+    line-height: 1.4;
+    display: inline-block;
+    vertical-align: middle;
+  }
+
+  .avatars-wrap {
+    display: inline-block;
+    vertical-align: middle;
+    margin-left: $space-small;
+  }
+}
+</style>

app/javascript/widget/components/ChatHeader.vue

@@ -43,14 +43,10 @@ export default {
 .header-collapsed {
   display: flex;
   justify-content: space-between;
-  background: $color-white;
   padding: $space-two $space-medium;
   width: 100%;
   box-sizing: border-box;
   color: $color-white;
-  border-bottom-left-radius: $space-small;
-  border-bottom-right-radius: $space-small;
-  @include shadow-large;
 
   .title {
     font-size: $font-size-large;

app/javascript/widget/components/ChatHeaderExpanded.vue

@@ -44,16 +44,9 @@ export default {
 @import '~widget/assets/scss/mixins.scss';
 
 .header-expanded {
-  background: $color-white;
   padding: $space-larger $space-medium $space-large;
   width: 100%;
   box-sizing: border-box;
-  border-radius: $space-normal;
-  @include shadow-large;
-
-  @media only screen and (min-device-width: 320px) and (max-device-width: 480px) {
-    border-radius: 0;
-  }
 
   .logo {
     width: 64px;
@@ -71,7 +64,7 @@ export default {
   .body {
     color: $color-body;
     font-size: 1.8rem;
-    line-height: 1.6;
+    line-height: 1.5;
   }
 }
 </style>

app/javascript/widget/components/GroupedAvatars.vue

@@ -0,0 +1,47 @@
+<template>
+  <div class="avatars">
+    <span v-for="user in users" :key="user.id" class="avatar">
+      <Thumbnail
+        size="24px"
+        :username="user.name"
+        status="online"
+        :src="user.avatar"
+        has-border
+      />
+    </span>
+  </div>
+</template>
+
+<script>
+import Thumbnail from 'dashboard/components/widgets/Thumbnail.vue';
+
+export default {
+  name: 'GroupedAvatars',
+  components: { Thumbnail },
+  props: {
+    users: {
+      type: Array,
+      default: () => [],
+    },
+  },
+};
+</script>
+
+<style scoped lang="scss">
+@import '~widget/assets/scss/variables.scss';
+@import '~widget/assets/scss/mixins.scss';
+
+.avatars {
+  display: inline-block;
+  padding-left: $space-one;
+
+  .avatar {
+    margin-left: -$space-slab;
+    position: relative;
+    display: inline-block;
+    overflow: hidden;
+    width: $space-medium;
+    height: $space-medium;
+  }
+}
+</style>

app/javascript/widget/helpers/specs/utils.spec.js

@@ -0,0 +1,26 @@
+import { getAvailableAgentsText } from '../utils';
+
+describe('#getAvailableAgentsText', () => {
+  it('returns the correct text is there is only one online agent', () => {
+    expect(getAvailableAgentsText([{ name: 'Pranav' }])).toEqual(
+      'Pranav is available'
+    );
+  });
+
+  it('returns the correct text is there are two online agents', () => {
+    expect(
+      getAvailableAgentsText([{ name: 'Pranav' }, { name: 'Nithin' }])
+    ).toEqual('Pranav and Nithin is available');
+  });
+
+  it('returns the correct text is there are more than two online agents', () => {
+    expect(
+      getAvailableAgentsText([
+        { name: 'Pranav' },
+        { name: 'Nithin' },
+        { name: 'Subin' },
+        { name: 'Sojan' },
+      ])
+    ).toEqual('Pranav and 3 others are available');
+  });
+});

app/javascript/widget/helpers/utils.js

@@ -18,3 +18,20 @@ export const IFrameHelper = {
     );
   },
 };
+
+export const getAvailableAgentsText = (agents = []) => {
+  const count = agents.length;
+  if (count === 1) {
+    const [agent] = agents;
+    return `${agent.name} is available`;
+  }
+
+  if (count === 2) {
+    const [first, second] = agents;
+    return `${first.name} and ${second.name} is available`;
+  }
+
+  const [agent] = agents;
+  const rest = agents.length - 1;
+  return `${agent.name} and ${rest} others are available`;
+};

app/javascript/widget/store/index.js

@@ -3,6 +3,7 @@ import Vuex from 'vuex';
 import appConfig from 'widget/store/modules/appConfig';
 import contact from 'widget/store/modules/contact';
 import conversation from 'widget/store/modules/conversation';
+import agent from 'widget/store/modules/agent';
 
 Vue.use(Vuex);
 
@@ -11,5 +12,6 @@ export default new Vuex.Store({
     appConfig,
     contact,
     conversation,
+    agent,
   },
 });

app/javascript/widget/store/modules/agent.js

@@ -0,0 +1,50 @@
+import Vue from 'vue';
+import { getAvailableAgents } from 'widget/api/agent';
+
+const state = {
+  records: [],
+  uiFlags: {
+    isError: false,
+    hasFetched: false,
+  },
+};
+
+export const getters = {
+  availableAgents: $state =>
+    $state.records.filter(agent => agent.availability_status === 'online'),
+};
+
+export const actions = {
+  fetchAvailableAgents: async ({ commit }, websiteToken) => {
+    try {
+      const { data } = await getAvailableAgents(websiteToken);
+      const { payload = [] } = data;
+      commit('setAgents', payload);
+      commit('setError', false);
+      commit('setHasFetched', true);
+    } catch (error) {
+      commit('setError', true);
+      commit('setHasFetched', true);
+    }
+  },
+};
+
+export const mutations = {
+  setAgents($state, data) {
+    Vue.set($state, 'records', data);
+  },
+  setError($state, value) {
+    Vue.set($state.uiFlags, 'isError', value);
+  },
+  setHasFetched($state, value) {
+    Vue.set($state.uiFlags, 'hasFetched', value);
+  },
+};
+
+export default {
+  namespaced: true,
+  state,
+  getters,
+  actions,
+  mutations,
+};

app/javascript/widget/store/modules/specs/agent/actions.spec.js

@@ -0,0 +1,28 @@
+import { API } from 'widget/helpers/axios';
+import { actions } from '../../agent';
+import { agents } from './data';
+
+const commit = jest.fn();
+jest.mock('widget/helpers/axios');
+
+describe('#actions', () => {
+  describe('#fetchAvailableAgents', () => {
+    it('sends correct actions if API is success', async () => {
+      API.get.mockResolvedValue({ data: { payload: agents } });
+      await actions.fetchAvailableAgents({ commit }, 'Hi');
+      expect(commit.mock.calls).toEqual([
+        ['setAgents', agents],
+        ['setError', false],
+        ['setHasFetched', true],
+      ]);
+    });
+    it('sends correct actions if API is error', async () => {
+      API.get.mockRejectedValue({ message: 'Authentication required' });
+      await actions.fetchAvailableAgents({ commit }, 'Hi');
+      expect(commit.mock.calls).toEqual([
+        ['setError', true],
+        ['setHasFetched', true],
+      ]);
+    });
+  });
+});

app/javascript/widget/store/modules/specs/agent/data.js

@@ -0,0 +1,26 @@
+export const agents = [
+  {
+    id: 1,
+    name: 'John',
+    avatar_url: '',
+    availability_status: 'online',
+  },
+  {
+    id: 2,
+    name: 'Xavier',
+    avatar_url: '',
+    availability_status: 'offline',
+  },
+  {
+    id: 3,
+    name: 'Pranav',
+    avatar_url: '',
+    availability_status: 'online',
+  },
+  {
+    id: 4,
+    name: 'Nithin',
+    avatar_url: '',
+    availability_status: 'online',
+  },
+];

app/javascript/widget/store/modules/specs/agent/getters.spec.js

@@ -0,0 +1,30 @@
+import { getters } from '../../agent';
+import { agents } from './data';
+
+describe('#getters', () => {
+  it('availableAgents', () => {
+    const state = {
+      records: agents,
+    };
+    expect(getters.availableAgents(state)).toEqual([
+      {
+        id: 1,
+        name: 'John',
+        avatar_url: '',
+        availability_status: 'online',
+      },
+      {
+        id: 3,
+        name: 'Pranav',
+        avatar_url: '',
+        availability_status: 'online',
+      },
+      {
+        id: 4,
+        name: 'Nithin',
+        avatar_url: '',
+        availability_status: 'online',
+      },
+    ]);
+  });
+});

app/javascript/widget/store/modules/specs/agent/mutations.spec.js

@@ -0,0 +1,28 @@
+import { mutations } from '../../agent';
+import agents from './data';
+
+describe('#mutations', () => {
+  describe('#setAgents', () => {
+    it('set agent records', () => {
+      const state = { records: [] };
+      mutations.setAgents(state, agents);
+      expect(state.records).toEqual(agents);
+    });
+  });
+
+  describe('#setError', () => {
+    it('set error flag', () => {
+      const state = { records: [], uiFlags: {} };
+      mutations.setError(state, true);
+      expect(state.uiFlags.isError).toEqual(true);
+    });
+  });
+
+  describe('#setError', () => {
+    it('set fetched flag', () => {
+      const state = { records: [], uiFlags: {} };
+      mutations.setHasFetched(state, true);
+      expect(state.uiFlags.hasFetched).toEqual(true);
+    });
+  });
+});

app/javascript/widget/views/Home.vue

@@ -4,6 +4,7 @@
       <ChatHeaderExpanded v-if="isHeaderExpanded" />
       <ChatHeader v-else :title="getHeaderName" />
     </div>
+    <AvailableAgents v-if="showAvailableAgents" :agents="availableAgents" />
     <ConversationWrap :grouped-messages="groupedMessages" />
     <div class="footer-wrap">
       <div class="input-wrap">
@@ -22,6 +23,7 @@ import ChatFooter from 'widget/components/ChatFooter.vue';
 import ChatHeaderExpanded from 'widget/components/ChatHeaderExpanded.vue';
 import ChatHeader from 'widget/components/ChatHeader.vue';
 import ConversationWrap from 'widget/components/ConversationWrap.vue';
+import AvailableAgents from 'widget/components/AvailableAgents.vue';
 
 export default {
   name: 'Home',
@@ -31,19 +33,14 @@ export default {
     ConversationWrap,
     ChatHeader,
     Branding,
-  },
-  methods: {
-    ...mapActions('conversation', ['sendMessage']),
-    handleSendMessage(content) {
-      this.sendMessage({
-        content,
-      });
-    },
+    AvailableAgents,
   },
   computed: {
     ...mapGetters({
       groupedMessages: 'conversation/getGroupedConversation',
       conversationSize: 'conversation/getConversationSize',
+      availableAgents: 'agent/availableAgents',
+      hasFetched: 'agent/uiFlags/hasFetched',
     }),
     isHeaderExpanded() {
       return this.conversationSize === 0;
@@ -51,6 +48,18 @@ export default {
     getHeaderName() {
       return window.chatwootWebChannel.website_name;
     },
+    showAvailableAgents() {
+      return this.availableAgents.length > 0;
+    },
+  },
+
+  methods: {
+    ...mapActions('conversation', ['sendMessage']),
+    handleSendMessage(content) {
+      this.sendMessage({
+        content,
+      });
+    },
   },
 };
 </script>
@@ -68,6 +77,13 @@ export default {
 
   .header-wrap {
     flex-shrink: 0;
+    border-radius: $space-normal;
+    background: white;
+    @include shadow-large;
+
+    @media only screen and (min-device-width: 320px) and (max-device-width: 480px) {
+      border-radius: 0;
+    }
   }
 
   .footer-wrap {
@@ -94,7 +110,7 @@ export default {
   }
 
   .input-wrap {
-    padding: 0 $space-medium;
+    padding: 0 $space-normal;
   }
 }
 </style>

app/views/api/v1/widget/inbox_members/index.json.jbuilder

@@ -1,5 +1,6 @@
 json.payload do
   json.array! @inbox_members do |inbox_member|
+    json.id inbox_member.user.id
     json.name inbox_member.user.name
     json.avatar_url inbox_member.user.avatar_url
     json.availability_status inbox_member.user.availability_status

app/views/widgets/show.html.erb

@@ -7,7 +7,8 @@
     <script>
       window.chatwootWebChannel = {
         website_name: '<%= @web_widget.website_name %>',
-        widget_color: '<%= @web_widget.widget_color %>'
+        widget_color: '<%= @web_widget.widget_color %>',
+        website_token: '<%= @web_widget.website_token %>'
       }
       window.chatwootPubsubToken = '<%= @contact.pubsub_token %>'
       window.authToken = '<%= @token %>'