Better handle large numbers of messages in cache on startup

js/modules/data.js

@@ -72,6 +72,7 @@ module.exports = {
   getNextExpiringMessage,
   getMessagesByConversation,
 
+  getUnprocessedCount,
   getAllUnprocessed,
   getUnprocessedById,
   saveUnprocessed,
@@ -458,6 +459,10 @@ async function getNextExpiringMessage({ MessageCollection }) {
   return new MessageCollection(messages);
 }
 
+async function getUnprocessedCount() {
+  return channels.getUnprocessedCount();
+}
+
 async function getAllUnprocessed() {
   return channels.getAllUnprocessed();
 }

js/signal_protocol_store.js

@@ -939,6 +939,9 @@
     },
 
     // Not yet processed messages - for resiliency
+    getUnprocessedCount() {
+      return window.Signal.Data.getUnprocessedCount();
+    },
     getAllUnprocessed() {
       return window.Signal.Data.getAllUnprocessed();
     },
@@ -959,6 +962,9 @@
     removeUnprocessed(id) {
       return window.Signal.Data.removeUnprocessed(id, { Unprocessed });
     },
+    removeAllUnprocessed() {
+      return window.Signal.Data.removeAllUnprocessed();
+    },
     async removeAllData() {
       // First the in-memory caches:
       window.storage.reset(); // items store