Use correct locale for participation emails

For anonymous participations we now use a locale parameter in metadata

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

lib/graphql/resolvers/participant.ex

@@ -69,7 +69,10 @@ defmodule Mobilizon.GraphQL.Resolvers.Participant do
            Config.anonymous_participation_email_confirmation_required?() do
         args
         |> Map.get(:email)
-        |> Email.Participation.anonymous_participation_confirmation(participant)
+        |> Email.Participation.anonymous_participation_confirmation(
+          participant,
+          Map.get(args, :locale, "en")
+        )
         |> Email.Mailer.deliver_later()
       end
 

lib/graphql/schema/events/participant.ex

@@ -43,6 +43,7 @@ defmodule Mobilizon.GraphQL.Schema.Events.ParticipantType do
     )
 
     field(:message, :string, description: "The eventual message the participant left")
+    field(:locale, :string, description: "The participant's locale")
   end
 
   object :paginated_participant_list do
@@ -74,6 +75,7 @@ defmodule Mobilizon.GraphQL.Schema.Events.ParticipantType do
       arg(:actor_id, non_null(:id))
       arg(:email, :string)
       arg(:message, :string)
+      arg(:locale, :string)
 
       resolve(&Participant.actor_join_event/3)
     end

lib/mobilizon/events/participant.ex

@@ -24,7 +24,7 @@ defmodule Mobilizon.Events.Participant do
 
   @required_attrs [:url, :role, :event_id, :actor_id]
   @attrs @required_attrs
-  @metadata_attrs [:email, :confirmation_token, :cancellation_token, :message]
+  @metadata_attrs [:email, :confirmation_token, :cancellation_token, :message, :locale]
 
   @timestamps_opts [type: :utc_datetime]
 
@@ -38,6 +38,7 @@ defmodule Mobilizon.Events.Participant do
       field(:confirmation_token, :string)
       field(:cancellation_token, :string)
       field(:message, :string)
+      field(:locale, :string)
     end
 
     belongs_to(:event, Event, primary_key: true)

lib/web/email/participation.ex

@@ -21,10 +21,11 @@ defmodule Mobilizon.Web.Email.Participation do
         %Participant{actor: %Actor{user_id: nil, id: actor_id} = _actor} = participation
       ) do
     if actor_id == Config.anonymous_actor_id() do
-      %{email: email} = Map.get(participation, :metadata)
+      %{email: email, locale: locale} = Map.get(participation, :metadata)
+      locale = locale || "en"
 
       email
-      |> participation_updated(participation)
+      |> participation_updated(participation, locale)
       |> Email.Mailer.deliver_later()
     end
 
@@ -37,9 +38,9 @@ defmodule Mobilizon.Web.Email.Participation do
   def send_emails_to_local_user(
         %Participant{actor: %Actor{user_id: user_id} = _actor} = participation
       ) do
-    with %User{} = user <- Users.get_user!(user_id) do
+    with %User{locale: locale} = user <- Users.get_user!(user_id) do
       user
-      |> participation_updated(participation)
+      |> participation_updated(participation, locale)
       |> Email.Mailer.deliver_later()
 
       :ok