Sort sticker packs in sticker management view.

Pods

@@ -1 +1 @@
-Subproject commit 46a69a1e7794ebf156f29b252208691dc980bd3f
+Subproject commit 4f7bfae49edd3ad1225837da518882f0eff1aec4

SignalMessaging/ViewControllers/Stickers/ManageStickersViewController.swift

@@ -104,8 +104,12 @@ public class ManageStickersViewController: OWSTableViewController {
     private var availableStickerPacks = [StickerPack]()
 
     private func updateState() {
-        installedStickerPacks = StickerManager.installedStickerPacks()
-        availableStickerPacks = StickerManager.availableStickerPacks()
+        installedStickerPacks = StickerManager.installedStickerPacks().sorted {
+            $0.dateSaved > $1.dateSaved
+        }
+        availableStickerPacks = StickerManager.availableStickerPacks().sorted {
+            $0.dateSaved > $1.dateSaved
+        }
 
         updateTableContents()
     }

SignalServiceKit/src/Messages/Stickers/StickerManager.swift

@@ -823,16 +823,22 @@ public class StickerManager: NSObject {
     #if DEBUG
     @objc
     public class func uninstallAllStickerPacks() {
-        var stickerPacks = [StickerPack]()
-        databaseStorage.write { (_) in
-            stickerPacks = installedStickerPacks()
-        }
-
+        let stickerPacks = installedStickerPacks()
         for stickerPack in stickerPacks {
             uninstallStickerPack(stickerPackInfo: stickerPack.info)
         }
     }
 
+    @objc
+    public class func removeAllStickerPacks() {
+        let stickerPacks = allStickerPacks()
+        databaseStorage.write { (transaction) in
+            for stickerPack in stickerPacks {
+                stickerPack.anyRemove(transaction: transaction)
+            }
+        }
+    }
+
     @objc
     public class func tryToInstallAllAvailableStickerPacks() {
         databaseStorage.write { (transaction) in

SignalServiceKit/src/Util/Date+SSK.swift

@@ -0,0 +1,19 @@
+//
+//  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
+//
+
+import Foundation
+
+@objc
+public extension NSDate {
+    @objc
+    var ows_millisecondsSince1970: UInt64 {
+        return NSDate.ows_millisecondsSince1970(for: self as Date)
+    }
+}
+
+public extension Date {
+    var ows_millisecondsSince1970: UInt64 {
+        return (self as NSDate).ows_millisecondsSince1970
+    }
+}