Bulk evidence uploading

app/controllers/admin/evidences_controller.rb

@@ -8,13 +8,11 @@ class Admin::EvidencesController < Admin::BaseController
   end
 
   def create
-    @evidence = Evidence.new(evidence_params)
-
-    if @evidence.save
-      redirect_to admin_evidences_path, notice: 'Evidence was created'
-    else
-      render :new
+    params[:evidence][:screenshot].each do |screenshot|
+      Evidence.new(screenshot: screenshot).save
     end
+
+    redirect_to admin_evidences_path, notice: 'Evidence was created'
   end
 
   def destroy

app/views/admin/evidences/_form.html.slim

@@ -1,5 +1,5 @@
-= simple_form_for [:admin, @evidence] do |f|
+= simple_form_for [:admin, @evidence], html: { multipart: true } do |f|
   .form-inputs
-    = f.input :screenshot, as: :file
+    = f.input :screenshot, as: :file, input_html: { multiple: 'multiple' }
   .form-actions
     = f.button :button