Add matching storage manager

app/logical/storage_manager.rb

@@ -72,7 +72,8 @@ class StorageManager
     origin
   end
 
-  def file_path(md5, file_ext, type)
+  def file_path(post_or_md5, file_ext, type)
+    md5 = post_or_md5.is_a?(String) ? post_or_md5 : post_or_md5.md5
     subdir = subdir_for(md5)
     file = file_name(md5, file_ext, type)
 

app/logical/storage_manager/match.rb

@@ -5,10 +5,6 @@ syntax. Matches are executed in order of appearance so the first
 matching manager is returned. You should always add at least one
 manager with no constraints as a default case.
 
-This does not derive from StorageManager so only `open_file`,
-`delete_file`, `store_file`, `file_url`, and `file_path` are
-implemented.
-
 ### Example
 
   StorageManager::Match.new do |matcher|
@@ -35,7 +31,7 @@ implemented.
 
 =end
 
-class StorageManager::Match
+class StorageManager::Match < StorageManager
   def initialize
     @managers = []
 

app/logical/upload_error_checker.rb

@@ -4,7 +4,7 @@ require 'mail'
 
 class UploadErrorChecker
   def check!
-    uploads = Upload.where("status like 'error%' and status not like 'error: Upload::Error - Post with MD5%' and status not like 'error: RuntimeError - duplicate%' and created_at >= ?", 1.hour.ago)
+    uploads = Upload.where("status like 'error%' and status not like 'error: Upload::Error - Post with MD5%' and status not like 'error: RuntimeError - duplicate%' and status not like 'error: ActiveRecord::RecordInvalid - Validation failed: Md5 has already been taken' and created_at >= ?", 1.hour.ago)
     if uploads.size > 5
       mail = Mail.new do
         from Danbooru.config.contact_email

app/models/post.rb

@@ -162,15 +162,15 @@ class Post < ApplicationRecord
     end
 
     def file_path
-      storage_manager.file_path(md5, file_ext, :original)
+      storage_manager.file_path(self, file_ext, :original)
     end
 
     def large_file_path
-      storage_manager.file_path(md5, file_ext, :large)
+      storage_manager.file_path(self, file_ext, :large)
     end
 
     def preview_file_path
-      storage_manager.file_path(md5, file_ext, :preview)
+      storage_manager.file_path(self, file_ext, :preview)
     end
 
     def crop_file_url