Use common partial for redemption of tutor and speeaker vouchers

app/helpers/vouchers_helper.rb

@@ -31,4 +31,17 @@ def cancel_voucher_button
     link_to(t("buttons.cancel"), cancel_voucher_path,
             class: "btn btn-secondary ms-2", remote: true)
   end
+
+  def claim_select_field(form, user, voucher)
+    field_name, options, prompt = if voucher.tutor?
+      [:tutorial_ids, tutorial_options(user, voucher), t("profile.select_tutorials")]
+    elsif voucher.speaker?
+      [:talk_ids, talk_options(user, voucher), t("profile.select_talks")]
+    end
+
+    form.select(field_name,
+                options_for_select(options),
+                { prompt: prompt },
+                { multiple: true, class: "selectize me-2 w-50" })
+  end
 end

app/views/vouchers/_redeem_speaker_voucher.html.erb

@@ -9,7 +9,7 @@
 
   <% if voucher.lecture.talks_without_speaker(current_user).any? %>
 
-    <%= render partial: "vouchers/talks_form", locals: { voucher: voucher } %>
+    <%= render partial: "vouchers/voucher_form", locals: { voucher: voucher } %>
 
   <% elsif voucher.lecture.talks.any? %>
 

app/views/vouchers/_redeem_tutor_voucher.html.erb

@@ -9,7 +9,7 @@
 
 <% if voucher.lecture.tutorials_without_tutor(current_user).any? %>
 
-  <%= render partial: "vouchers/tutorials_form", locals: { voucher: voucher } %>
+  <%= render partial: "vouchers/voucher_form", locals: { voucher: voucher } %>
 
 <% elsif voucher.lecture.tutorials.any? %>
 

app/views/vouchers/_talks_form.html.erb → app/views/vouchers/_voucher_form.html.erb

@@ -2,13 +2,15 @@
               remote: true,
               method: :post,
               html: { class: "form-inline" } do |f| %>
+
   <%= f.hidden_field :secure_hash, value: voucher.secure_hash %>
+
   <div class="form-group d-flex">
-    <%= f.select :talk_ids,
-                 options_for_select(talk_options(current_user, voucher)),
-                 { prompt: t('profile.select_talks') },
-                 { multiple: true, class: 'selectize me-2 w-50' } %>
+
+    <%= claim_select_field(f, current_user, voucher) %>
+
     <%= f.submit t('profile.redeem_voucher'), class: "btn btn-primary" %>
     <%= cancel_voucher_button %>
   </div>
+
 <% end %>