favicon uploader generating ci status favicons

1 files changed, 44 insertions, 0 deletions

diff --git a/app/uploaders/favicon_uploader.rb b/app/uploaders/favicon_uploader.rb
new file mode 100644
index 00000000000..dc30e838337
--- /dev/null
+++ b/app/uploaders/favicon_uploader.rb
@@ -0,0 +1,44 @@
+class FaviconUploader < AttachmentUploader
+  include CarrierWave::MiniMagick
+
+  STATUS_ICON_NAMES = [
+    :status_not_found,
+    :status_canceled,
+    :status_success,
+    :status_skipped,
+    :status_created,
+    :status_failed,
+    :status_warning,
+    :status_pending,
+    :status_manual,
+    :status_running
+  ].freeze
+
+  version :default_without_format_conversion do
+    process resize_to_fill: [32, 32]
+  end
+
+  # this intermediate version generates an image in the ico format but with the
+  # original file suffix.
+  version :_default, from_version: :default_without_format_conversion do
+    process convert: 'ico'
+  end
+
+  version :default, from_version: :_default
+
+  STATUS_ICON_NAMES.each do |status_name|
+    version status_name, from_version: :default do
+      process status_favicon: status_name
+    end
+  end
+
+  def status_favicon(status_name)
+    manipulate! do |img|
+      overlay_path = Rails.root.join("app/assets/images/ci_favicons/overlays/favicon_#{status_name}.png")
+      overlay = MiniMagick::Image.open(overlay_path)
+      img.composite(overlay) do |c|
+        c.compose 'over'
+      end
+    end
+  end
+end