Support additional sticker states

Co-authored-by: scott@signal.org
Co-authored-by: ken@signal.org

js/modules/signal.js

@@ -129,6 +129,7 @@ function initializeMigrations({
   const {
     getPath,
     getStickersPath,
+    getTempPath,
     createReader,
     createAbsolutePathGetter,
     createWriterForNew,
@@ -161,6 +162,12 @@ function initializeMigrations({
   const deleteSticker = Attachments.createDeleter(stickersPath);
   const readStickerData = createReader(stickersPath);
 
+  const tempPath = getTempPath(userDataPath);
+  const getAbsoluteTempPath = createAbsolutePathGetter(tempPath);
+  const writeNewTempData = createWriterForNew(tempPath);
+  const deleteTempFile = Attachments.createDeleter(tempPath);
+  const readTempData = createReader(tempPath);
+
   return {
     attachmentsPath,
     copyIntoAttachmentsDirectory,
@@ -170,6 +177,7 @@ function initializeMigrations({
       deleteOnDisk,
     }),
     deleteSticker,
+    deleteTempFile,
     getAbsoluteAttachmentPath,
     getAbsoluteStickerPath,
     getPlaceholderMigrations,
@@ -181,6 +189,7 @@ function initializeMigrations({
     loadStickerData,
     readAttachmentData,
     readStickerData,
+    readTempData,
     run,
     processNewAttachment: attachment =>
       MessageType.processNewAttachment(attachment, {
@@ -200,6 +209,13 @@ function initializeMigrations({
         getImageDimensions,
         logger,
       }),
+    processNewEphemeralSticker: stickerData =>
+      MessageType.processNewSticker(stickerData, {
+        writeNewStickerData: writeNewTempData,
+        getAbsoluteStickerPath: getAbsoluteTempPath,
+        getImageDimensions,
+        logger,
+      }),
     upgradeMessageSchema: (message, options = {}) => {
       const { maxVersion } = options;