Extract picture thumbnail sizes in a constant

We want to read those value from other classes and it makes sense to have them formalized in a constant anyway.
mickenorlen · Jun 15, 2020 · 4264215 · 4264215
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commit 4264215
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Showing 2 changed files with 10 additions and 6 deletions.
diff --git a/app/helpers/alchemy/admin/pictures_helper.rb b/app/helpers/alchemy/admin/pictures_helper.rb
@@ -4,12 +4,10 @@ module Alchemy
   module Admin
     module PicturesHelper
       def preview_size(size)
-        case size
-        when "small" then "80x60"
-        when "large" then "240x180"
-        else
-          "160x120"
-        end
+        Alchemy::Picture::THUMBNAIL_SIZES.fetch(
+          size,
+          Alchemy::Picture::THUMBNAIL_SIZES[:medium]
+        )
       end
     end
   end

diff --git a/app/models/alchemy/picture.rb b/app/models/alchemy/picture.rb
@@ -22,6 +22,12 @@
 
 module Alchemy
   class Picture < BaseRecord
+    THUMBNAIL_SIZES = {
+      small: "80x60",
+      medium: "160x120",
+      large: "240x180",
+    }.with_indifferent_access.freeze
+
     CONVERTIBLE_FILE_FORMATS = %w(gif jpg jpeg png).freeze
 
     include Alchemy::NameConversions