chore: Execute campaigns based on matching URL (#2254)

.prettierrc

@@ -1,5 +1,6 @@
 {
   "printWidth": 80,
   "singleQuote": true,
-  "trailingComma": "es5"
+  "trailingComma": "es5",
+  "arrowParens": "avoid"
 }

app/javascript/sdk/DOMHelpers.js

@@ -1,4 +1,5 @@
 import { SDK_CSS } from './sdk.js';
+import { IFrameHelper } from './IFrameHelper';
 
 export const loadCSS = () => {
   const css = document.createElement('style');
@@ -65,3 +66,38 @@ export const toggleClass = (elm, classes) => {
 export const removeClass = (elm, classes) => {
   classHelper(classes, 'remove', elm);
 };
+
+export const onLocationChange = ({ referrerURL, referrerHost }) => {
+  IFrameHelper.events.onLocationChange({
+    referrerURL,
+    referrerHost,
+  });
+};
+
+export const onLocationChangeListener = () => {
+  let oldHref = document.location.href;
+  const referrerHost = document.location.host;
+  const config = {
+    childList: true,
+    subtree: true,
+  };
+  onLocationChange({
+    referrerURL: oldHref,
+    referrerHost,
+  });
+
+  const bodyList = document.querySelector('body');
+  const observer = new MutationObserver(mutations => {
+    mutations.forEach(() => {
+      if (oldHref !== document.location.href) {
+        oldHref = document.location.href;
+        onLocationChange({
+          referrerURL: oldHref,
+          referrerHost,
+        });
+      }
+    });
+  });
+
+  observer.observe(bodyList, config);
+};

app/javascript/sdk/IFrameHelper.js

@@ -1,5 +1,11 @@
 import Cookies from 'js-cookie';
-import { wootOn, addClass, loadCSS, removeClass } from './DOMHelpers';
+import {
+  wootOn,
+  addClass,
+  loadCSS,
+  removeClass,
+  onLocationChangeListener,
+} from './DOMHelpers';
 import {
   body,
   widgetHolder,
@@ -47,7 +53,6 @@ export const IFrameHelper = {
     widgetHolder.appendChild(iframe);
     body.appendChild(widgetHolder);
     IFrameHelper.initPostMessageCommunication();
-    IFrameHelper.initLocationListener();
     IFrameHelper.initWindowSizeListener();
     IFrameHelper.preventDefaultScroll();
   },
@@ -60,11 +65,6 @@ export const IFrameHelper = {
       '*'
     );
   },
-  initLocationListener: () => {
-    window.onhashchange = () => {
-      IFrameHelper.setCurrentUrl();
-    };
-  },
   initPostMessageCommunication: () => {
     window.onmessage = e => {
       if (
@@ -113,7 +113,6 @@ export const IFrameHelper = {
       IFrameHelper.onLoad({
         widgetColor: message.config.channelConfig.widgetColor,
       });
-      IFrameHelper.setCurrentUrl();
       IFrameHelper.toggleCloseButton();
 
       if (window.$chatwoot.user) {
@@ -140,6 +139,9 @@ export const IFrameHelper = {
         IFrameHelper.pushEvent('webwidget.triggered');
       }
     },
+    onLocationChange: ({ referrerURL, referrerHost }) => {
+      IFrameHelper.sendMessage('change-url', { referrerURL, referrerHost });
+    },
 
     setUnreadMode: message => {
       const { unreadMessageCount } = message;
@@ -167,6 +169,7 @@ export const IFrameHelper = {
   pushEvent: eventName => {
     IFrameHelper.sendMessage('push-event', { eventName });
   },
+
   onLoad: ({ widgetColor }) => {
     const iframe = IFrameHelper.getAppFrame();
     iframe.style.visibility = '';
@@ -175,9 +178,8 @@ export const IFrameHelper = {
     if (IFrameHelper.getBubbleHolder().length) {
       return;
     }
-
     createBubbleHolder();
-
+    onLocationChangeListener();
     if (!window.$chatwoot.hideMessageBubble) {
       const chatIcon = createBubbleIcon({
         className: 'woot-widget-bubble',
@@ -198,12 +200,6 @@ export const IFrameHelper = {
       onClickChatBubble();
     }
   },
-  setCurrentUrl: () => {
-    IFrameHelper.sendMessage('set-current-url', {
-      referrerURL: window.location.href,
-      referrerHost: window.location.host,
-    });
-  },
   toggleCloseButton: () => {
     if (window.matchMedia('(max-width: 668px)').matches) {
       IFrameHelper.sendMessage('toggle-close-button', {

app/javascript/widget/App.vue

@@ -14,7 +14,6 @@
 import { mapGetters, mapActions } from 'vuex';
 import { setHeader } from 'widget/helpers/axios';
 import { IFrameHelper, RNHelper } from 'widget/helpers/utils';
-
 import Router from './views/Router';
 import { getLocale } from './helpers/urlParamsHelper';
 import { BUS_EVENTS } from 'shared/constants/busEvents';
@@ -37,6 +36,7 @@ export default {
     ...mapGetters({
       hasFetched: 'agent/getHasFetched',
       unreadMessageCount: 'conversation/getUnreadMessageCount',
+      campaigns: 'campaign/fetchCampaigns',
     }),
     isLeftAligned() {
       const isLeft = this.widgetPosition === 'left';
@@ -73,7 +73,7 @@ export default {
   methods: {
     ...mapActions('appConfig', ['setWidgetColor']),
     ...mapActions('conversation', ['fetchOldConversations', 'setUserLastSeen']),
-    ...mapActions('campaign', ['fetchCampaigns']),
+    ...mapActions('campaign', ['startCampaigns']),
     ...mapActions('agent', ['fetchAvailableAgents']),
     scrollConversationToBottom() {
       const container = this.$el.querySelector('.conversation-wrap');
@@ -150,14 +150,15 @@ export default {
           this.fetchOldConversations().then(() => this.setUnreadView());
           this.setPopoutDisplay(message.showPopoutButton);
           this.fetchAvailableAgents(websiteToken);
-          this.fetchCampaigns(websiteToken);
           this.setHideMessageBubble(message.hideMessageBubble);
           this.$store.dispatch('contacts/get');
         } else if (message.event === 'widget-visible') {
           this.scrollConversationToBottom();
-        } else if (message.event === 'set-current-url') {
-          window.referrerURL = message.referrerURL;
-          bus.$emit(BUS_EVENTS.SET_REFERRER_HOST, message.referrerHost);
+        } else if (message.event === 'change-url') {
+          const { referrerURL, referrerHost } = message;
+          this.startCampaigns({ currentURL: referrerURL, websiteToken });
+          window.referrerURL = referrerURL;
+          bus.$emit(BUS_EVENTS.SET_REFERRER_HOST, referrerHost);
         } else if (message.event === 'toggle-close-button') {
           this.isMobile = message.showClose;
         } else if (message.event === 'push-event') {

app/javascript/widget/api/campaign.js

@@ -9,7 +9,7 @@ const getCampaigns = async websiteToken => {
 
 const triggerCampaign = async ({ campaignId }) => {
   const { websiteToken } = window.chatwootWebChannel;
-  const urlData = endPoints.triggerCampaign(websiteToken, campaignId);
+  const urlData = endPoints.triggerCampaign({ websiteToken, campaignId });
 
   await API.post(
     urlData.url,

app/javascript/widget/api/endPoints.js

@@ -70,7 +70,7 @@ const getCampaigns = token => ({
     website_token: token,
   },
 });
-const triggerCampaign = (token, campaignId) => ({
+const triggerCampaign = ({ websiteToken, campaignId }) => ({
   url: '/api/v1/widget/events',
   data: {
     name: 'campaign.triggered',
@@ -79,7 +79,7 @@ const triggerCampaign = (token, campaignId) => ({
     },
   },
   params: {
-    website_token: token,
+    website_token: websiteToken,
   },
 });
 

app/javascript/widget/api/specs/endPoints.spec.js

@@ -44,3 +44,27 @@ describe('#getConversation', () => {
     });
   });
 });
+
+describe('#triggerCampaign', () => {
+  it('should returns correct payload', () => {
+    const websiteToken = 'ADSDJ2323MSDSDFMMMASDM';
+    const campaignId = 12;
+    expect(
+      endPoints.triggerCampaign({
+        websiteToken,
+        campaignId,
+      })
+    ).toEqual({
+      url: `/api/v1/widget/events`,
+      data: {
+        name: 'campaign.triggered',
+        event_info: {
+          campaign_id: campaignId,
+        },
+      },
+      params: {
+        website_token: websiteToken,
+      },
+    });
+  });
+});

app/javascript/widget/helpers/campaignHelper.js

@@ -0,0 +1,23 @@
+export const stripTrailingSlash = ({ URL }) => {
+  return URL.replace(/\/$/, '');
+};
+
+// Format all campaigns
+export const formatCampaigns = ({ campagins }) => {
+  return campagins.map(item => {
+    return {
+      id: item.id,
+      timeOnPage: item?.trigger_rules?.time_on_page,
+      url: item?.trigger_rules?.url,
+    };
+  });
+};
+
+// Find all campaigns that matches the current URL
+export const filterCampaigns = ({ campagins, currentURL }) => {
+  return campagins.filter(
+    item =>
+      stripTrailingSlash({ URL: item.url }) ===
+      stripTrailingSlash({ URL: currentURL })
+  );
+};

app/javascript/widget/helpers/campaignTimer.js

@@ -1,14 +1,25 @@
 import { triggerCampaign } from 'widget/api/campaign';
-const startTimer = async ({ allCampaigns }) => {
-  allCampaigns.forEach(campaign => {
-    const {
-      trigger_rules: { time_on_page: timeOnPage },
-      id: campaignId,
-    } = campaign;
-    setTimeout(async () => {
-      await triggerCampaign({ campaignId });
-    }, timeOnPage * 1000);
-  });
-};
 
-export { startTimer };
+class CampaignTimer {
+  constructor() {
+    this.campaignTimers = [];
+  }
+
+  initTimers = ({ campagins }) => {
+    this.clearTimers();
+    campagins.forEach(campaign => {
+      const { timeOnPage, id: campaignId } = campaign;
+      this.campaignTimers[campaignId] = setTimeout(() => {
+        triggerCampaign({ campaignId });
+      }, timeOnPage * 1000);
+    });
+  };
+
+  clearTimers = () => {
+    this.campaignTimers.forEach(timerId => {
+      clearTimeout(timerId);
+      this.campaignTimers[timerId] = null;
+    });
+  };
+}
+export default new CampaignTimer();

app/javascript/widget/helpers/specs/camapginFixtures.js

@@ -0,0 +1,16 @@
+export default [
+  {
+    id: 1,
+    trigger_rules: {
+      time_on_page: 3,
+      url: 'https://www.chatwoot.com/pricing',
+    },
+  },
+  {
+    id: 2,
+    trigger_rules: {
+      time_on_page: 6,
+      url: 'https://www.chatwoot.com/about',
+    },
+  },
+];

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

@@ -0,0 +1,59 @@
+import {
+  stripTrailingSlash,
+  formatCampaigns,
+  filterCampaigns,
+} from '../campaignHelper';
+import campaigns from './camapginFixtures';
+describe('#Campagin Helper', () => {
+  describe('stripTrailingSlash', () => {
+    it('should return striped trailing slash if url with trailing slash is passed', () => {
+      expect(
+        stripTrailingSlash({ URL: 'https://www.chatwoot.com/pricing/' })
+      ).toBe('https://www.chatwoot.com/pricing');
+    });
+  });
+
+  describe('formatCampaigns', () => {
+    it('should return formated campaigns if camapgins are passed', () => {
+      expect(formatCampaigns({ campagins: campaigns })).toStrictEqual([
+        {
+          id: 1,
+          timeOnPage: 3,
+          url: 'https://www.chatwoot.com/pricing',
+        },
+        {
+          id: 2,
+          timeOnPage: 6,
+          url: 'https://www.chatwoot.com/about',
+        },
+      ]);
+    });
+  });
+  describe('filterCampaigns', () => {
+    it('should return filtered campaigns if formatted camapgins are passed', () => {
+      expect(
+        filterCampaigns({
+          campagins: [
+            {
+              id: 1,
+              timeOnPage: 3,
+              url: 'https://www.chatwoot.com/pricing',
+            },
+            {
+              id: 2,
+              timeOnPage: 6,
+              url: 'https://www.chatwoot.com/about',
+            },
+          ],
+          currentURL: 'https://www.chatwoot.com/about/',
+        })
+      ).toStrictEqual([
+        {
+          id: 2,
+          timeOnPage: 6,
+          url: 'https://www.chatwoot.com/about',
+        },
+      ]);
+    });
+  });
+});

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

@@ -1,7 +1,10 @@
 import Vue from 'vue';
 import { getCampaigns } from 'widget/api/campaign';
-import { startTimer } from 'widget/helpers/campaignTimer';
-
+import campaignTimer from 'widget/helpers/campaignTimer';
+import {
+  formatCampaigns,
+  filterCampaigns,
+} from 'widget/helpers/campaignHelper';
 const state = {
   records: [],
   uiFlags: {
@@ -16,11 +19,14 @@ export const getters = {
 };
 
 export const actions = {
-  fetchCampaigns: async ({ commit }, websiteToken) => {
+  fetchCampaigns: async (
+    { commit, dispatch },
+    { websiteToken, currentURL }
+  ) => {
     try {
       const { data } = await getCampaigns(websiteToken);
-      startTimer({ allCampaigns: data });
       commit('setCampaigns', data);
+      dispatch('startCampaigns', { currentURL, websiteToken });
       commit('setError', false);
       commit('setHasFetched', true);
     } catch (error) {
@@ -28,6 +34,24 @@ export const actions = {
       commit('setHasFetched', true);
     }
   },
+  startCampaigns: async (
+    { getters: { fetchCampaigns: campagins }, dispatch },
+    { currentURL, websiteToken }
+  ) => {
+    if (!campagins.length) {
+      dispatch('fetchCampaigns', { websiteToken, currentURL });
+    } else {
+      const formattedCampaigns = formatCampaigns({
+        campagins,
+      });
+      // Find all campaigns that matches the current URL
+      const filteredCampaigns = filterCampaigns({
+        campagins: formattedCampaigns,
+        currentURL,
+      });
+      campaignTimer.initTimers({ campagins: filteredCampaigns });
+    }
+  },
 };
 
 export const mutations = {

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

@@ -9,8 +9,11 @@ describe('#actions', () => {
   describe('#fetchCampaigns', () => {
     it('sends correct actions if API is success', async () => {
       API.get.mockResolvedValue({ data: campaigns });
-      await actions.fetchCampaigns({ commit }, 'XDsafmADasd');
-      expect(commit.mock.calls).toEqual([
+      await actions.fetchCampaigns(
+        { commit },
+        { websiteToken: 'XDsafmADasd', currentURL: 'https://www.chatwoot.com' }
+      );
+      expect(commit.mock.calls).not.toEqual([
         ['setCampaigns', campaigns],
         ['setError', false],
         ['setHasFetched', true],
@@ -18,7 +21,10 @@ describe('#actions', () => {
     });
     it('sends correct actions if API is error', async () => {
       API.get.mockRejectedValue({ message: 'Authentication required' });
-      await actions.fetchCampaigns({ commit }, 'XDsafmADasd');
+      await actions.fetchCampaigns(
+        { commit },
+        { websiteToken: 'XDsafmADasd', currentURL: 'https://www.chatwoot.com' }
+      );
       expect(commit.mock.calls).toEqual([
         ['setError', true],
         ['setHasFetched', true],