Allow admins to edit users blacklists

app/controllers/admin/users_controller.rb

@@ -11,5 +11,16 @@ module Admin
       @user.promote_to!(params[:user][:level], params[:user])
       redirect_to edit_admin_user_path(@user), :notice => "User updated"
     end
+
+    def edit_blacklist
+      @user = User.find(params[:id])
+    end
+
+    def update_blacklist
+      @user = User.find(params[:id])
+      @user.update_attributes!(params[:user].permit([:blacklisted_tags]))
+      ModAction.log(:user_blacklist_changed, {user_id: @user.id})
+      redirect_to edit_blacklist_admin_user_path(@user)
+    end
   end
 end

app/views/admin/users/edit_blacklist.html.erb

@@ -0,0 +1,9 @@
+<div>
+  <h4>View User Blacklist</h4>
+  <div class='section' style='width:400px;'>
+    <%= form_tag({action: "update_blacklist"}, method: :post) do %>
+      <%= text_area "user", "blacklisted_tags", size: "60x20" %>
+      <%= submit_tag "Save", name: nil %>
+    <% end %>
+  </div>
+</div>

app/views/users/_secondary_links.html.erb

@@ -20,6 +20,7 @@
       <% end %>
 
       <% if CurrentUser.user.is_moderator? %>
+        <%= subnav_link_to "Edit Blacklist", edit_blacklist_admin_user_path(@user) %>
         <%= subnav_link_to "Promote", edit_admin_user_path(@user) %>
         <% if @user.is_banned? %>
           <%= subnav_link_to "Unban", ban_path(@user.recent_ban) %>

config/routes.rb

@@ -6,7 +6,12 @@ Rails.application.routes.draw do
   mount Sidekiq::Web => '/sidekiq'
 
   namespace :admin do
-    resources :users, :only => [:edit, :update]
+    resources :users, :only => [:edit, :update, :edit_blacklist, :update_blacklist] do
+      member do
+        get :edit_blacklist
+        post :update_blacklist
+      end
+    end
     resource :alias_and_implication_import, :only => [:new, :create]
     resource :dashboard, :only => [:show]
     resources :exceptions, only: [:index, :show]