move documents out of Inbox before opening

Author: Thomas Taschauer

OpenDocumentReader/AppDelegate.swift

@@ -58,22 +58,29 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
             return false
         }
 
-        documentBrowserViewController.revealDocument(at: inputURL, importIfNeeded: true) { (revealedDocumentURL, error) in
-            
-            guard error == nil else {
-                Crashlytics.crashlytics().record(error: error!)
-                fatalError("error is not null")
-                
-                return
-            }
-            
-            guard let url = revealedDocumentURL else {
-                fatalError("revealedDocumentURL is null")
+        let documentsUrl = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
+        let inboxUrl = documentsUrl.appendingPathComponent("Inbox")
+
+        let destinationUrl: URL
+        if (inputURL.absoluteString.contains(inboxUrl.absoluteString)) {
+            do {
+                destinationUrl = documentsUrl.appendingPathComponent(inputURL.lastPathComponent)
+
+                try FileManager.default.moveItem(at: inputURL, to: destinationUrl)
+            } catch {
+                print(error)
+                fatalError("copying from Inbox failed")
 
-                return
+                return false
             }
+        } else {
+            destinationUrl = inputURL
+        }
+        
+        documentBrowserViewController.revealDocument(at: destinationUrl, importIfNeeded: true) { (revealedDocumentURL, error) in
+            // ignoring errors because they should pop up in failedToImportDocumentAt too
 
-            documentBrowserViewController.presentDocument(at: url)
+            documentBrowserViewController.presentDocument(at: revealedDocumentURL!)
         }
 
         return true