Merge branch 'image-description-summary' into 'develop'

Add support for Honk "summary" + "name"

See merge request pleroma/pleroma!3854

changelog.d/support-honk-image-summaries.add

@@ -0,0 +1 @@
+Support honk-style attachment summaries as alt-text.

lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex

@@ -15,6 +15,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator do
     field(:type, :string, default: "Link")
     field(:mediaType, ObjectValidators.MIME, default: "application/octet-stream")
     field(:name, :string)
+    field(:summary, :string)
     field(:blurhash, :string)
 
     embeds_many :url, UrlObjectValidator, primary_key: false do
@@ -44,7 +45,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator do
       |> fix_url()
 
     struct
-    |> cast(data, [:id, :type, :mediaType, :name, :blurhash])
+    |> cast(data, [:id, :type, :mediaType, :name, :summary, :blurhash])
     |> cast_embed(:url, with: &url_changeset/2, required: true)
     |> validate_inclusion(:type, ~w[Link Document Audio Image Video])
     |> validate_required([:type, :mediaType])

lib/pleroma/web/api_spec/schemas/attachment.ex

@@ -50,7 +50,11 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Attachment do
       pleroma: %Schema{
         type: :object,
         properties: %{
-          mime_type: %Schema{type: :string, description: "mime type of the attachment"}
+          mime_type: %Schema{type: :string, description: "mime type of the attachment"},
+          name: %Schema{
+            type: :string,
+            description: "Name of the attachment, typically the filename"
+          }
         }
       }
     },

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -624,6 +624,19 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
           to_string(attachment["id"] || hash_id)
       end
 
+    description =
+      if attachment["summary"] do
+        HTML.strip_tags(attachment["summary"])
+      else
+        attachment["name"]
+      end
+
+    name = if attachment["summary"], do: attachment["name"]
+
+    pleroma =
+      %{mime_type: media_type}
+      |> Maps.put_if_present(:name, name)
+
     %{
       id: attachment_id,
       url: href,
@@ -631,8 +644,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       preview_url: href_preview,
       text_url: href,
       type: type,
-      description: attachment["name"],
-      pleroma: %{mime_type: media_type},
+      description: description,
+      pleroma: pleroma,
       blurhash: attachment["blurhash"]
     }
     |> Maps.put_if_present(:meta, meta)

test/pleroma/web/activity_pub/object_validators/attachment_validator_test.exs

@@ -27,19 +27,22 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidatorTest do
     end
 
     test "works with honkerific attachments" do
-      attachment = %{
+      honk = %{
         "mediaType" => "",
-        "name" => "",
-        "summary" => "298p3RG7j27tfsZ9RQ.jpg",
+        "summary" => "Select your spirit chonk",
+        "name" => "298p3RG7j27tfsZ9RQ.jpg",
         "type" => "Document",
         "url" => "https://honk.tedunangst.com/d/298p3RG7j27tfsZ9RQ.jpg"
       }
 
       assert {:ok, attachment} =
-               AttachmentValidator.cast_and_validate(attachment)
+               honk
+               |> AttachmentValidator.cast_and_validate()
                |> Ecto.Changeset.apply_action(:insert)
 
       assert attachment.mediaType == "application/octet-stream"
+      assert attachment.summary == "Select your spirit chonk"
+      assert attachment.name == "298p3RG7j27tfsZ9RQ.jpg"
     end
 
     test "works with an unknown but valid mime type" do

test/pleroma/web/mastodon_api/views/status_view_test.exs

@@ -591,7 +591,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
     assert mention.url == recipient.ap_id
   end
 
-  test "attachments" do
+  describe "attachments" do
+    test "Complete Mastodon style" do
       object = %{
         "type" => "Image",
         "url" => [
@@ -632,6 +633,38 @@ defmodule Pleroma.Web.MastodonAPI.StatusViewTest do
       assert_schema(result, "Attachment", api_spec)
     end
 
+    test "Honkerific" do
+      object = %{
+        "type" => "Image",
+        "url" => [
+          %{
+            "mediaType" => "image/png",
+            "href" => "someurl"
+          }
+        ],
+        "name" => "fool.jpeg",
+        "summary" => "they have played us for absolute fools."
+      }
+
+      expected = %{
+        blurhash: nil,
+        description: "they have played us for absolute fools.",
+        id: "1638338801",
+        pleroma: %{mime_type: "image/png", name: "fool.jpeg"},
+        preview_url: "someurl",
+        remote_url: "someurl",
+        text_url: "someurl",
+        type: "image",
+        url: "someurl"
+      }
+
+      api_spec = Pleroma.Web.ApiSpec.spec()
+
+      assert expected == StatusView.render("attachment.json", %{attachment: object})
+      assert_schema(expected, "Attachment", api_spec)
+    end
+  end
+
   test "put the url advertised in the Activity in to the url attribute" do
     id = "https://wedistribute.org/wp-json/pterotype/v1/object/85810"
     [activity] = Activity.search(nil, id)