Add SIRET Type De Champ

app/controllers/champs/siret_controller.rb

@@ -0,0 +1,29 @@
+class Champs::SiretController < ApplicationController
+  def index
+    siret, champ_id = params.required([:siret, :champ_id])
+    @champ = Champs::SiretChamp.find(champ_id)
+    @etablissement = @champ.etablissement
+    if siret == 'blank'
+      if @etablissement
+        @etablissement.mark_for_destruction
+      end
+      @blank = true
+    elsif siret == 'invalid'
+      if @etablissement
+        @etablissement.mark_for_destruction
+      end
+      @error = "SIRET invalide"
+    else
+      etablissement_attributes = SIRETService.fetch(siret, @champ.dossier.procedure_id)
+      if etablissement_attributes.present?
+        @etablissement = @champ.build_etablissement(etablissement_attributes)
+        @etablissement.champ = @champ
+      else
+        @error = "SIRET invalide"
+      end
+    end
+    respond_to do |format|
+      format.js
+    end
+  end
+end