1 files changed, 24 insertions, 0 deletions
diff --git a/app/uploaders/favicon_uploader.rb b/app/uploaders/favicon_uploader.rb
new file mode 100644
index 00000000000..09afc63a5aa
--- /dev/null
+++ b/app/uploaders/favicon_uploader.rb
@@ -0,0 +1,24 @@
+class FaviconUploader < AttachmentUploader
+  EXTENSION_WHITELIST = %w[png ico].freeze
+
+  include CarrierWave::MiniMagick
+
+  version :favicon_main do
+    process resize_to_fill: [32, 32]
+    process convert: 'png'
+
+    def full_filename(filename)
+      filename_for_different_format(super(filename), 'png')
+    end
+  end
+
+  def extension_whitelist
+    EXTENSION_WHITELIST
+  end
+
+  private
+
+  def filename_for_different_format(filename, format)
+    filename.chomp(File.extname(filename)) + ".#{format}"
+  end
+end