A few fixes for the emoji bundled with stickers

sticker-creator/window/phase3-sticker-functions.ts

@@ -184,10 +184,17 @@ window.encryptAndUpload = async (
 
     return s;
   });
-  const coverSticker = new Proto.StickerPack.Sticker();
-  coverSticker.id =
+
+  const coverStickerId =
     uniqueStickers.length === stickers.length ? 0 : uniqueStickers.length - 1;
-  coverSticker.emoji = '';
+  const coverStickerData = stickers[coverStickerId];
+  const coverSticker = new Proto.StickerPack.Sticker();
+  coverSticker.id = coverStickerId;
+  if (coverStickerData.emoji) {
+    coverSticker.emoji = coverStickerData.emoji;
+  } else {
+    coverSticker.emoji = '';
+  }
   manifestProto.cover = coverSticker;
 
   const encryptedManifest = await encrypt(

ts/models/messages.ts

@@ -731,11 +731,10 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
 
     const stickerData = this.get('sticker');
     if (stickerData) {
-      const sticker = Stickers.getSticker(
-        stickerData.packId,
-        stickerData.stickerId
-      );
-      const { emoji } = sticker || {};
+      const emoji =
+        Stickers.getSticker(stickerData.packId, stickerData.stickerId)?.emoji ||
+        stickerData?.emoji;
+
       if (!emoji) {
         log.warn('Unable to get emoji for sticker');
       }

ts/test-both/processDataMessage_test.ts

@@ -299,6 +299,7 @@ describe('processDataMessage', () => {
         packId: new Uint8Array([1, 2, 3]),
         packKey: new Uint8Array([4, 5, 6]),
         stickerId: 1,
+        emoji: '💯',
         data: UNPROCESSED_ATTACHMENT,
       },
     });
@@ -307,6 +308,7 @@ describe('processDataMessage', () => {
       packId: '010203',
       packKey: 'BAUG',
       stickerId: 1,
+      emoji: '💯',
       data: PROCESSED_ATTACHMENT,
     });
   });

ts/textsecure/Types.d.ts

@@ -171,6 +171,7 @@ export type ProcessedSticker = {
   packId?: string;
   packKey?: string;
   stickerId?: number;
+  emoji?: string;
   data?: ProcessedAttachment;
 };
 

ts/textsecure/processDataMessage.ts

@@ -212,6 +212,7 @@ export function processSticker(
     packId: sticker.packId ? Bytes.toHex(sticker.packId) : undefined,
     packKey: sticker.packKey ? Bytes.toBase64(sticker.packKey) : undefined,
     stickerId: dropNull(sticker.stickerId),
+    emoji: dropNull(sticker.emoji),
     data: processAttachment(sticker.data),
   };
 }

ts/types/Stickers.ts

@@ -449,6 +449,12 @@ export async function downloadEphemeralPack(
       proto.stickers,
       sticker => !isNumber(sticker.id) || sticker.id === coverStickerId
     );
+    const coverSticker = proto.stickers.filter(
+      sticker => isNumber(sticker.id) && sticker.id === coverStickerId
+    );
+    if (coverSticker[0] && !coverProto.emoji) {
+      coverProto.emoji = coverSticker[0].emoji;
+    }
 
     const coverIncludedInList = nonCoverStickers.length < stickerCount;
 
@@ -652,6 +658,12 @@ async function doDownloadStickerPack(
       proto.stickers,
       sticker => !isNumber(sticker.id) || sticker.id === coverStickerId
     );
+    const coverSticker = proto.stickers.filter(
+      sticker => isNumber(sticker.id) && sticker.id === coverStickerId
+    );
+    if (coverSticker[0] && !coverProto.emoji) {
+      coverProto.emoji = coverSticker[0].emoji;
+    }
 
     coverIncludedInList = nonCoverStickers.length < stickerCount;