feat: Event messages (#3345)

* feat: add createCallLink function

* feat: create Event class

* feat: add functionality for sending Events

* feat: add editEvent function

* refactor: send event location prop as wa does

* refactor: combine modules

* feat: add sendResponseToEvent function

* fix: createEventCallLink parameter

* docs: add documentation

* fix: eslint

* refactor: change timestamp to Date for the user's convenience

* refactor: rename 'Event' to 'ScheduledEvent' for more clarity

* style: fix typo in inner function

* refactor: remove unnecessary inner function

* refactor: rename 'sendResponseToEvent' to 'sendResponseToScheduledEvent' for more clarity

* fix: update the module name

src/util/Constants.js

@@ -111,6 +111,7 @@ exports.MessageTypes = {
     REACTION: 'reaction',
     TEMPLATE_BUTTON_REPLY: 'template_button_reply',
     POLL_CREATION: 'poll_creation',
+    SCHEDULED_EVENT_CREATION: 'scheduled_event_creation',
 };
 
 /**

src/util/Injected/Store.js

@@ -114,6 +114,11 @@ exports.ExposeStore = () => {
     window.Store.ForwardUtils = {
         ...window.require('WAWebChatForwardMessage')
     };
+    window.Store.ScheduledEventMsgUtils = {
+        ...window.require('WAWebGenerateEventCallLink'),
+        ...window.require('WAWebSendEventEditMsgAction'),
+        ...window.require('WAWebSendEventResponseMsgAction')
+    };
     window.Store.VCard = {
         ...window.require('WAWebFrontendVcardUtils'),
         ...window.require('WAWebVcardParsingUtils'),

src/util/Injected/Utils.js

@@ -116,6 +116,34 @@ exports.LoadUtils = () => {
             delete options.poll;
         }
 
+        let eventOptions = {};
+        if (options.event) {
+            const { name, startTimeTs, eventSendOptions } = options.event;
+            const { messageSecret } = eventSendOptions;
+            eventOptions = {
+                type: 'event_creation',
+                eventName: name,
+                eventDescription: eventSendOptions.description,
+                eventStartTime: startTimeTs,
+                eventEndTime: eventSendOptions.endTimeTs,
+                eventLocation: eventSendOptions.location && {
+                    degreesLatitude: 0,
+                    degreesLongitude: 0,
+                    name: eventSendOptions.location
+                },
+                eventJoinLink: await window.Store.ScheduledEventMsgUtils.createEventCallLink(
+                    startTimeTs,
+                    eventSendOptions.callType
+                ),
+                isEventCanceled: eventSendOptions.isEventCanceled,
+                messageSecret:
+                    Array.isArray(messageSecret) && messageSecret.length === 32
+                        ? new Uint8Array(messageSecret)
+                        : window.crypto.getRandomValues(new Uint8Array(32)),
+            };
+            delete options.event;
+        }
+
         let vcardOptions = {};
         if (options.contactCard) {
             let contact = window.Store.Contact.get(options.contactCard);
@@ -255,6 +283,7 @@ exports.LoadUtils = () => {
             ...quotedMsgOptions,
             ...locationOptions,
             ..._pollOptions,
+            ...eventOptions,
             ...vcardOptions,
             ...buttonOptions,
             ...listOptions,