handling validation errors #1981

app/controllers/investigations_controller.rb

@@ -38,20 +38,30 @@ def new_object_based_on_existing_one
  def submit_fairdata_station
  path = params[:datastation_data].path
  datastation_inv = Seek::FairDataStation::Reader.new.parse_graph(path).first
+ error = false
  if datastation_inv.external_id != @investigation.external_identifier
  flash[:error] = "This #{t('investigation')} does not match the identifier provided in the FAIR Data Station metadata"
+ error = true
+ else
+ begin
+ Investigation.transaction do
+ @investigation = Seek::FairDataStation::Writer.new.update_isa(@investigation, datastation_inv, current_person, @investigation.projects, @investigation.policy)
+ @investigation.save!
+ end
+ rescue ActiveRecord::RecordInvalid => e
+ flash[:error] = e.message
+ error = true
+ end
+ end
+ if error
  respond_to do |format|
  format.html { render action: :update_from_fairdata_station, status: :unprocessable_entity }
  end
  else
- @investigation = Seek::FairDataStation::Writer.new.update_isa(@investigation, datastation_inv, current_person, @investigation.projects, @investigation.policy)
- @investigation.save!
  respond_to do |format|
  format.html { redirect_to(@investigation) }
  end
  end
-
-
  end
 
  def export_isatab_json