Merge pull request #1 from clear-code/add-support-for-line-break-on-body-param

Add support for line break in the body parameter.

Author: piroor

src/web/app.js

@@ -62,6 +62,18 @@ async function onTypicalReplyButtonClicked(event) {
 }
 window.onTypicalReplyButtonClicked = onTypicalReplyButtonClicked;
 
+function plainTextToHtml(text) {
+  if (!text) return "";
+
+  return text
+    .replace(/&/g, "&")
+    .replace(/</g, "&lt;")
+    .replace(/>/g, "&gt;")
+    .replace(/"/g, "&quot;")
+    .replace(/'/g, "&#039;")
+    .replace(/\n/g, "<br>");
+}
+
 async function onNewMessageComposeCreated(event) {
   const conversationId = Office.context.mailbox.item.conversationId;
   const buttonConfigString = Office.context.roamingSettings.get("buttonconfig")?.trim() ?? "";
@@ -95,7 +107,15 @@ async function onNewMessageComposeCreated(event) {
     await OfficeDataAccessHelper.setBodyAsync("");
   }
   if (buttonConfig.body) {
-    await OfficeDataAccessHelper.prependBodyAsync(`${buttonConfig.body} \n`);
+    const coercionType = await OfficeDataAccessHelper.getBodyTypeAsync();
+    let prependBody = `${buttonConfig.body} \n`;
+    if (coercionType === Office.CoercionType.Html) {
+      prependBody = plainTextToHtml(prependBody);
+    }
+    await OfficeDataAccessHelper.prependBodyAsync(prependBody, coercionType);
+    const body = await OfficeDataAccessHelper.getBodyAsync();
+    // prependBodyAsync sometimes does not update the body immediately, so we set body again to make sure the body is updated.
+    await OfficeDataAccessHelper.setBodyAsync(body, coercionType);
   }
   event.completed();
 }

src/web/office-data-access-helper.mjs

@@ -297,10 +297,28 @@ export class OfficeDataAccessHelper {
     });
   }
 
-  static setBodyAsync(body) {
+  static getBodyTypeAsync() {
     return new Promise((resolve, reject) => {
       try {
-        Office.context.mailbox.item.body.setAsync(body, (asyncResult) => {
+        Office.context.mailbox.item.body.getTypeAsync((asyncResult) => {
+          if (asyncResult.status === Office.AsyncResultStatus.Succeeded) {
+            resolve(asyncResult.value);
+          } else {
+            console.log(`Error while getting body type: ${asyncResult.error.message}`);
+            reject(false);
+          }
+        });
+      } catch (error) {
+        console.log(`Error while getting body type: ${error}`);
+        reject(error);
+      }
+    });
+  }
+
+  static setBodyAsync(body, coercionType = Office.CoercionType.Html) {
+    return new Promise((resolve, reject) => {
+      try {
+        Office.context.mailbox.item.body.setAsync(body, { coercionType }, (asyncResult) => {
           if (asyncResult.status === Office.AsyncResultStatus.Succeeded) {
             resolve(true);
           } else {
@@ -315,10 +333,10 @@ export class OfficeDataAccessHelper {
     });
   }
 
-  static prependBodyAsync(body) {
+  static prependBodyAsync(body, coercionType = Office.CoercionType.Html) {
     return new Promise((resolve, reject) => {
       try {
-        Office.context.mailbox.item.body.prependAsync(body, (asyncResult) => {
+        Office.context.mailbox.item.body.prependAsync(body, { coercionType }, (asyncResult) => {
           if (asyncResult.status === Office.AsyncResultStatus.Succeeded) {
             resolve(true);
           } else {