Revert "Remove data_provide and data_date_format attributes"

This reverts commit 273b3f2faf.

spec/models/champ_shared_example.rb

@@ -26,6 +26,28 @@ shared_examples 'champ_spec' do
     end
   end
 
+  describe 'data_provide' do
+    let(:champ) { create :champ }
+
+    subject { champ.data_provide }
+
+    context 'when type_champ is datetime' do
+      before do
+        champ.type_de_champ = create :type_de_champ_public, type_champ: 'datetime'
+      end
+
+      it { is_expected.to eq 'datepicker' }
+    end
+
+    context 'when type_champ is address' do
+      before do
+        champ.type_de_champ = create :type_de_champ_public, type_champ: 'address'
+      end
+
+      it { is_expected.to eq 'typeahead' }
+    end
+  end
+
   describe '.departement', vcr: { cassette_name: 'call_geo_api_departements' } do
     subject { Champ.departements }