Chore: Cleanup attachment handling for Facebook & Whatsapp (#1051)

* Chore: Enable file upload for facebook messenger
* Chore: Fix attachments
* Chore: Fix Specs
* Fix ReplyBox file attachment logic
* Set default value for message

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

app/javascript/shared/helpers/KeyboardHelpers.js

@@ -0,0 +1,11 @@
+export const isEnter = e => {
+  return e.keyCode === 13;
+};
+
+export const isEscape = e => {
+  return e.keyCode === 27;
+};
+
+export const hasPressedShift = e => {
+  return e.shiftKey;
+};

app/javascript/shared/helpers/MessageFormatter.js

@@ -2,7 +2,7 @@ import { escapeHtml } from './HTMLSanitizer';
 
 class MessageFormatter {
   constructor(message) {
-    this.message = escapeHtml(message) || '';
+    this.message = escapeHtml(message || '') || '';
   }
 
   formatMessage() {

app/javascript/shared/helpers/MessageTypeHelper.js

@@ -1,3 +1,10 @@
 export const isAFormMessage = message => message.content_type === 'form';
 export const isASubmittedFormMessage = (message = {}) =>
   isAFormMessage(message) && !!message.content_attributes?.submitted_values;
+
+export const MESSAGE_MAX_LENGTH = {
+  GENERAL: 10000,
+  FACEBOOK: 640,
+  TWILIO_SMS: 160,
+  TWEET: 280,
+};

app/javascript/shared/helpers/specs/KeyboardHelpers.spec.js

@@ -0,0 +1,21 @@
+import { isEnter, isEscape, hasPressedShift } from '../KeyboardHelpers';
+
+describe('#KeyboardHelpers', () => {
+  describe('#isEnter', () => {
+    it('return correct values', () => {
+      expect(isEnter({ keyCode: 13 })).toEqual(true);
+    });
+  });
+
+  describe('#isEscape', () => {
+    it('return correct values', () => {
+      expect(isEscape({ keyCode: 27 })).toEqual(true);
+    });
+  });
+
+  describe('#hasPressedShift', () => {
+    it('return correct values', () => {
+      expect(hasPressedShift({ shiftKey: true })).toEqual(true);
+    });
+  });
+});