Remove unnecessary path method

src/library/archive_entry.cr

@@ -9,6 +9,7 @@ class ArchiveEntry < Entry
 
   def initialize(@zip_path, @book)
     storage = Storage.default
+    @path = @zip_path
     @encoded_path = URI.encode @zip_path
     @title = File.basename @zip_path, File.extname @zip_path
     @encoded_title = URI.encode @title
@@ -48,10 +49,6 @@ class ArchiveEntry < Entry
     file.close
   end
 
-  def path : String
-    @zip_path
-  end
-
   private def sorted_archive_entries
     ArchiveFile.open @zip_path do |file|
       entries = file.entries

src/library/dir_entry.cr

@@ -14,6 +14,7 @@ class DirEntry < Entry
 
   def initialize(@dir_path, @book)
     storage = Storage.default
+    @path = @dir_path
     @encoded_path = URI.encode @dir_path
     @title = File.basename @dir_path
     @encoded_title = URI.encode @title
@@ -56,10 +57,6 @@ class DirEntry < Entry
     @pages = sorted_files.size
   end
 
-  def path : String
-    @dir_path
-  end
-
   def read_page(page_num)
     img = nil
     begin

src/library/entry.cr

@@ -1,12 +1,12 @@
 require "image_size"
 
 abstract class Entry
-  getter id : String, book : Title, title : String,
+  getter id : String, book : Title, title : String, path : String,
     size : String, pages : Int32, mtime : Time,
     encoded_path : String, encoded_title : String, err_msg : String?
 
   def initialize(
-    @id, @title, @book,
+    @id, @title, @book, @path,
     @size, @pages, @mtime,
     @encoded_path, @encoded_title, @err_msg
   )
@@ -229,8 +229,6 @@ abstract class Entry
     extend ClassMethods
   end
 
-  abstract def path : String
-
   abstract def read_page(page_num)
 
   abstract def page_dimensions