Screenshot upload process fixed and tested

app/models/screenshot.rb

@@ -91,7 +91,7 @@ class Screenshot < ApplicationRecord
   end
 
   # Publish a screenshot from the moderation queue
-  def approve_screenshot!
+  def approve!
     self.delete_reason = nil
     self.markedfordelete = false
     self.approved = true

app/models/user.rb

@@ -43,6 +43,13 @@ class User < ApplicationRecord
     self.admin == 1
   end
 
+  # Check if a user has been created on-the-fly and is just an
+  # anonymous user who uploaded a screenshot. They can turn this
+  # user record into a registered account though.
+  def is_anonymous?
+    self.provider == nil
+  end
+
   def self.from_omniauth(auth)
     where(provider: auth.provider, email: auth.info.email).first_or_create do |user|
       user.provider = auth.provider