Add consistency to back_links

In some cases (e.g. after editing or creating a resource
with errors) the default back_link did not redirect to the
expected page.

Now we force the back_links to the index pages, so we
always get the desired redirect.

app/components/admin/poll/questions/answers/documents/index_component.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_question_path(@answer.question) %>
 
 <h2><%= t("admin.questions.show.answers.documents_list") %></h2>
 

app/views/admin/poll/polls/edit.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_polls_path %>
 
 <h2><%= t("admin.polls.edit.title") %></h2>
 

app/views/admin/poll/polls/new.html.erb

@@ -1,6 +1,6 @@
 <div class="row">
   <div class="small-12 column">
-    <%= back_link_to %>
+    <%= back_link_to admin_polls_path %>
 
     <h2><%= t("admin.polls.new.title") %></h2>
   </div>

app/views/admin/poll/questions/answers/edit.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_question_path(@question) %>
 
 <ul class="breadcrumbs margin-top">
   <li><%= @answer.title %></li>

app/views/admin/poll/questions/answers/new.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_question_path(@question) %>
 
 <ul class="breadcrumbs margin-top">
   <li><%= @question.title %></li>

app/views/admin/poll/questions/answers/videos/edit.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_answer_videos_path(@answer) %>
 
 <h2>
   <%= t("admin.answers.videos.edit.title") %>

app/views/admin/poll/questions/edit.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_poll_path(@question.poll) %>
 
 <h2 class="margin-top"><%= t("admin.questions.edit.title") %></h2>
 

app/views/admin/poll/questions/show.html.erb

@@ -1,4 +1,4 @@
-<%= back_link_to %>
+<%= back_link_to admin_poll_path(@question.poll) %>
 
 <%= link_to t("admin.questions.show.edit_question"), edit_admin_question_path(@question),
             class: "button hollow float-right" %>

spec/system/admin/poll/polls_spec.rb

@@ -61,6 +61,7 @@ describe "Admin polls", :admin do
 
     expect(page).not_to have_css("#poll_results_enabled")
     expect(page).not_to have_css("#poll_stats_enabled")
+    expect(page).to have_link "Go back", href: admin_polls_path
 
     click_button "Create poll"
 
@@ -83,6 +84,7 @@ describe "Admin polls", :admin do
     end_date = 1.year.from_now.to_date
 
     expect(page).to have_css("img[alt='#{poll.image.title}']")
+    expect(page).to have_link "Go back", href: admin_polls_path
 
     fill_in "Name", with: "Next Poll"
     fill_in "poll_ends_at", with: end_date

spec/system/admin/poll/questions/answers/answers_spec.rb

@@ -7,6 +7,8 @@ describe "Answers", :admin do
     visit admin_question_path(question)
     click_link "Add answer"
 
+    expect(page).to have_link "Go back", href: admin_question_path(question)
+
     fill_in "Answer", with: "The answer is always 42"
     fill_in_ckeditor "Description", with: "The Hitchhiker's Guide To The Universe"
 
@@ -39,6 +41,8 @@ describe "Answers", :admin do
     visit admin_question_path(question)
     within("tr", text: "Answer title") { click_link "Edit" }
 
+    expect(page).to have_link "Go back", href: admin_question_path(question)
+
     fill_in "Answer", with: "New title"
     click_button "Save"
 

spec/system/admin/poll/questions/answers/documents/documents_spec.rb

@@ -9,6 +9,7 @@ describe "Documents", :admin do
       visit admin_answer_documents_path(answer)
 
       expect(page).not_to have_content(document.title)
+      expect(page).to have_link "Go back", href: admin_question_path(answer.question)
     end
 
     scenario "Answer with documents" do

spec/system/admin/poll/questions/answers/videos/videos_spec.rb

@@ -28,6 +28,8 @@ describe "Videos", :admin do
 
     visit edit_admin_answer_video_path(answer, video)
 
+    expect(page).to have_link "Go back", href: admin_answer_videos_path(answer)
+
     fill_in "Title", with: title
     fill_in "External video", with: url
 

spec/system/admin/poll/questions_spec.rb

@@ -50,8 +50,9 @@ describe "Admin poll questions", :admin do
     visit admin_poll_path(poll)
     click_link "Edit answers"
 
-    expect(page).to have_content(question.title)
-    expect(page).to have_content(question.author.name)
+    expect(page).to have_link "Go back", href: admin_poll_path(poll)
+    expect(page).to have_content question.title
+    expect(page).to have_content question.author.name
   end
 
   scenario "Create" do
@@ -123,6 +124,7 @@ describe "Admin poll questions", :admin do
       click_link "Edit"
     end
 
+    expect(page).to have_link "Go back", href: admin_poll_path(poll)
     old_title = question1.title
     new_title = "Potatoes are great and everyone should have one"
     fill_in "Question", with: new_title