Let the API return times in UTC for now

app/serializers/commentaire_serializer.rb

@@ -4,6 +4,10 @@ class CommentaireSerializer < ActiveModel::Serializer
     :created_at,
     :attachment
 
+  def created_at
+    object.created_at&.in_time_zone('UTC')
+  end
+
   def attachment
     object.file_url
   end

app/serializers/dossier_serializer.rb

@@ -50,17 +50,29 @@ class DossierSerializer < ActiveModel::Serializer
   end
 
   def initiated_at
-    object.en_construction_at
+    object.en_construction_at&.in_time_zone('UTC')
   end
 
   def received_at
-    object.en_instruction_at
+    object.en_instruction_at&.in_time_zone('UTC')
   end
 
   def instructeurs
     object.followers_gestionnaires.pluck(:email)
   end
 
+  def created_at
+    object.created_at&.in_time_zone('UTC')
+  end
+
+  def updated_at
+    object.updated_at&.in_time_zone('UTC')
+  end
+
+  def processed_at
+    object.processed_at&.in_time_zone('UTC')
+  end
+
   private
 
   def user_geometry(dossier)

app/serializers/dossiers_serializer.rb

@@ -4,8 +4,12 @@ class DossiersSerializer < ActiveModel::Serializer
     :initiated_at,
     :state
 
+  def updated_at
+    object.updated_at&.in_time_zone('UTC')
+  end
+
   def initiated_at
-    object.en_construction_at
+    object.en_construction_at&.in_time_zone('UTC')
   end
 
   def state

app/serializers/piece_justificative_serializer.rb

@@ -4,4 +4,8 @@ class PieceJustificativeSerializer < ActiveModel::Serializer
     :content_url
 
   has_one :user
+
+  def created_at
+    object.created_at&.in_time_zone('UTC')
+  end
 end

app/serializers/procedure_serializer.rb

@@ -18,6 +18,10 @@ class ProcedureSerializer < ActiveModel::Serializer
   has_many :types_de_champ_private, serializer: TypeDeChampSerializer
   has_many :types_de_piece_justificative, serializer: TypeDePieceJustificativeSerializer
 
+  def archived_at
+    object.archived_at&.in_time_zone('UTC')
+  end
+
   def link
     if object.path.present?
       if object.brouillon_avec_lien?