Allow admins to unhide diary comments, if they wish

app/abilities/ability.rb

@@ -51,7 +51,7 @@ class Ability
         end
 
         if user.administrator?
-          can [:hide, :unhide, :hidecomment], [DiaryEntry, DiaryComment]
+          can [:hide, :unhide, :hidecomment, :unhidecomment], [DiaryEntry, DiaryComment]
           can [:index, :show, :resolve, :ignore, :reopen], Issue
           can :create, IssueComment
           can [:set_status, :delete, :index], User

app/controllers/diary_entries_controller.rb

@@ -226,6 +226,12 @@ class DiaryEntriesController < ApplicationController
     redirect_to diary_entry_path(comment.diary_entry.user, comment.diary_entry)
   end
 
+  def unhidecomment
+    comment = DiaryComment.find(params[:comment])
+    comment.update(:visible => true)
+    redirect_to diary_entry_path(comment.diary_entry.user, comment.diary_entry)
+  end
+
   def comments
     @comment_pages, @comments = paginate(:diary_comments,
                                          :conditions => {

app/views/diary_entries/_diary_comment.html.erb

@@ -9,7 +9,11 @@
   <div class="richtext"><%= diary_comment.body.to_html %></div>
   <% if current_user && current_user.administrator? %>
     <span>
+      <% if diary_comment.visible? %>
         <%= link_to t(".hide_link"), hide_diary_comment_path(:display_name => diary_comment.diary_entry.user.display_name, :id => diary_comment.diary_entry.id, :comment => diary_comment.id), :method => :post, :data => { :confirm => t(".confirm") } %>
+      <% else %>
+        <%= link_to t(".unhide_link"), unhide_diary_comment_path(:display_name => diary_comment.diary_entry.user.display_name, :id => diary_comment.diary_entry.id, :comment => diary_comment.id), :method => :post, :data => { :confirm => t(".confirm") } %>
+      <% end %>
     </span>
   <% end %>
 </div>

config/locales/en.yml

@@ -337,6 +337,7 @@ en:
     diary_comment:
       comment_from: "Comment from %{link_user} on %{comment_created_at}"
       hide_link: Hide this comment
+      unhide_link: Unhide this comment
       confirm: Confirm
       report: Report this comment
     location:

config/routes.rb

@@ -236,6 +236,7 @@ OpenStreetMap::Application.routes.draw do
   post "/user/:display_name/diary/:id/hide" => "diary_entries#hide", :id => /\d+/, :as => :hide_diary_entry
   post "/user/:display_name/diary/:id/unhide" => "diary_entries#unhide", :id => /\d+/, :as => :unhide_diary_entry
   post "/user/:display_name/diary/:id/hidecomment/:comment" => "diary_entries#hidecomment", :id => /\d+/, :comment => /\d+/, :as => :hide_diary_comment
+  post "/user/:display_name/diary/:id/unhidecomment/:comment" => "diary_entries#unhidecomment", :id => /\d+/, :comment => /\d+/, :as => :unhide_diary_comment
   post "/user/:display_name/diary/:id/subscribe" => "diary_entries#subscribe", :as => :diary_entry_subscribe, :id => /\d+/
   post "/user/:display_name/diary/:id/unsubscribe" => "diary_entries#unsubscribe", :as => :diary_entry_unsubscribe, :id => /\d+/
 

test/controllers/diary_entries_controller_test.rb

@@ -93,6 +93,10 @@ class DiaryEntriesControllerTest < ActionController::TestCase
       { :path => "/user/username/diary/1/hidecomment/2", :method => :post },
       { :controller => "diary_entries", :action => "hidecomment", :display_name => "username", :id => "1", :comment => "2" }
     )
+    assert_routing(
+      { :path => "/user/username/diary/1/unhidecomment/2", :method => :post },
+      { :controller => "diary_entries", :action => "unhidecomment", :display_name => "username", :id => "1", :comment => "2" }
+    )
     assert_routing(
       { :path => "/user/username/diary/1/subscribe", :method => :post },
       { :controller => "diary_entries", :action => "subscribe", :display_name => "username", :id => "1" }
@@ -809,6 +813,34 @@ class DiaryEntriesControllerTest < ActionController::TestCase
     assert_equal false, DiaryComment.find(diary_comment.id).visible
   end
 
+  def test_unhidecomment
+    user = create(:user)
+    administrator_user = create(:administrator_user)
+    diary_entry = create(:diary_entry, :user => user)
+    diary_comment = create(:diary_comment, :diary_entry => diary_entry, :visible => false)
+    # Try without logging in
+    post :unhidecomment,
+         :params => { :display_name => user.display_name, :id => diary_entry.id, :comment => diary_comment.id }
+    assert_response :forbidden
+    assert_equal false, DiaryComment.find(diary_comment.id).visible
+
+    # Now try as a normal user
+    post :unhidecomment,
+         :params => { :display_name => user.display_name, :id => diary_entry.id, :comment => diary_comment.id },
+         :session => { :user => user }
+    assert_response :redirect
+    assert_redirected_to :controller => :errors, :action => :forbidden
+    assert_equal false, DiaryComment.find(diary_comment.id).visible
+
+    # Finally try as an administrator
+    post :unhidecomment,
+         :params => { :display_name => user.display_name, :id => diary_entry.id, :comment => diary_comment.id },
+         :session => { :user => administrator_user }
+    assert_response :redirect
+    assert_redirected_to :action => :show, :display_name => user.display_name, :id => diary_entry.id
+    assert_equal true, DiaryComment.find(diary_comment.id).visible
+  end
+
   def test_comments
     user = create(:user)
     other_user = create(:user)