init commit

lib/diffuser_web/uploaders/image.ex

@@ -0,0 +1,60 @@
+defmodule Diffuser.Uploaders.Image do
+  use Waffle.Definition
+  use Waffle.Ecto.Definition
+
+  # Include ecto support (requires package waffle_ecto installed):
+  # use Waffle.Ecto.Definition
+
+  @versions [:original]
+
+  # To add a thumbnail version:
+  # @versions [:original, :thumb]
+
+  # Override the bucket on a per definition basis:
+  # def bucket do
+  #   :custom_bucket_name
+  # end
+
+  # def bucket({_file, scope}) do
+  #   scope.bucket || bucket()
+  # end
+
+  # Whitelist file extensions:
+  # def validate({file, _}) do
+  #   file_extension = file.file_name |> Path.extname() |> String.downcase()
+  #
+  #   case Enum.member?(~w(.jpg .jpeg .gif .png), file_extension) do
+  #     true -> :ok
+  #     false -> {:error, "invalid file type"}
+  #   end
+  # end
+
+  # Define a thumbnail transformation:
+  # def transform(:thumb, _) do
+  #   {:convert, "-strip -thumbnail 250x250^ -gravity center -extent 250x250 -format png", :png}
+  # end
+
+  # Override the persisted filenames:
+  # def filename(version, _) do
+  #   version
+  # end
+
+  # Override the storage directory:
+  # def storage_dir(version, {file, scope}) do
+  #   "uploads/user/avatars/#{scope.id}"
+  # end
+
+  # Provide a default URL if there hasn't been a file uploaded
+  # def default_url(version, scope) do
+  #   "/images/avatars/default_#{version}.png"
+  # end
+
+  # Specify custom headers for s3 objects
+  # Available options are [:cache_control, :content_disposition,
+  #    :content_encoding, :content_length, :content_type,
+  #    :expect, :expires, :storage_class, :website_redirect_location]
+  #
+  # def s3_object_headers(version, {file, scope}) do
+  #   [content_type: MIME.from_path(file.file_name)]
+  # end
+end