Improve comment section

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/service/metadata/actor.ex

@@ -3,7 +3,7 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Web.MediaProxy
 
-  def build_tags(%Actor{} = actor) do
+  def build_tags(%Actor{} = actor, _locale \\ "en") do
     tags = [
       Tag.tag(:meta, property: "og:title", content: Actor.display_name_and_username(actor)),
       Tag.tag(:meta, property: "og:url", content: actor.url),

lib/service/metadata/comment.ex

@@ -2,7 +2,7 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Conversations.Comment do
   alias Phoenix.HTML.Tag
   alias Mobilizon.Conversations.Comment
 
-  def build_tags(%Comment{} = comment) do
+  def build_tags(%Comment{} = comment, _locale \\ "en") do
     [
       Tag.tag(:meta, property: "og:title", content: comment.actor.preferred_username),
       Tag.tag(:meta, property: "og:url", content: comment.url),

lib/service/metadata/event.ex

@@ -4,9 +4,10 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
   alias Mobilizon.Events.Event
   alias Mobilizon.Web.JsonLD.ObjectView
   alias Mobilizon.Web.MediaProxy
+  import Mobilizon.Web.Gettext
 
-  def build_tags(%Event{} = event) do
-    event = Map.put(event, :description, process_description(event.description))
+  def build_tags(%Event{} = event, locale \\ "en") do
+    event = Map.put(event, :description, process_description(event.description, locale))
 
     tags = [
       Tag.content_tag(:title, event.title <> " - Mobilizon"),
@@ -39,7 +40,14 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
       ]
   end
 
-  defp process_description(description) do
+  defp process_description(nil, locale), do: process_description("", locale)
+
+  defp process_description("", locale) do
+    Gettext.put_locale(locale)
+    gettext("The event organizer didn't add any description.")
+  end
+
+  defp process_description(description, _locale) do
     description
     |> HtmlSanitizeEx.strip_tags()
     |> String.slice(0..200)

lib/service/metadata/metadata.ex

@@ -3,5 +3,5 @@ defprotocol Mobilizon.Service.Metadata do
   Build tags
   """
 
-  def build_tags(entity)
+  def build_tags(entity, locale \\ "en")
 end

lib/service/metadata/tombstone.ex

@@ -1,7 +1,7 @@
 defimpl Mobilizon.Service.Metadata, for: Mobilizon.Tombstone do
   alias Mobilizon.Tombstone
 
-  def build_tags(%Tombstone{}) do
+  def build_tags(%Tombstone{}, _locale \\ "en") do
     []
   end
 end