From 95b84f003c6df39965ce16a5df1761fd6e08d86b Mon Sep 17 00:00:00 2001
From: Philipp Fischbeck <philipp.fischbeck@student.hpi.uni-potsdam.de>
Date: Wed, 9 Sep 2015 17:40:15 +0200
Subject: [PATCH] Add problem count changing to the admin dashboard

---
 app/controllers/admin/dashboard_controller.rb       | 12 ++++++++++++
 app/views/admin/dashboard/index.html.erb            |  8 +++++++-
 config/locales/views/admin/de.yml                   |  8 +++++++-
 config/routes.rb                                    |  1 +
 test/controllers/admin/dashboard_controller_test.rb |  6 ++++++
 5 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/app/controllers/admin/dashboard_controller.rb b/app/controllers/admin/dashboard_controller.rb
index 11fcc7b..c049480 100644
--- a/app/controllers/admin/dashboard_controller.rb
+++ b/app/controllers/admin/dashboard_controller.rb
@@ -1,4 +1,16 @@
 class Admin::DashboardController < AdminController
   def index
+    @current_problem_count = Problem.count
+  end
+
+  def update_problem_count
+    begin
+      new_problem_count = params[:problem_count].to_i
+      raise t('no_problem_count') unless new_problem_count
+      Problem.update_count(new_problem_count)
+      redirect_to({:controller => 'admin/dashboard', :action => :index}, notice: t('.success_message'))
+    rescue => e
+      redirect_to({:controller => 'admin/dashboard', :action => :index}, alert: t('.failure_message', error: e.message))
+    end
   end
 end
diff --git a/app/views/admin/dashboard/index.html.erb b/app/views/admin/dashboard/index.html.erb
index b1ae911..22e7719 100644
--- a/app/views/admin/dashboard/index.html.erb
+++ b/app/views/admin/dashboard/index.html.erb
@@ -1,2 +1,8 @@
 <h1><%= t('.administration') %></h1>
-<%= link_to t('.view_translations'), admin_translations_path %>
\ No newline at end of file
+<%= link_to t('.view_translations'), admin_translations_path, class: 'btn btn-default' %>
+
+<h1><%= t('.update_problem_count') %></h1>
+<%= form_tag '/admin/update_problem_count', method: :post, class: 'form-inline' do %>
+    <%= number_field_tag 'problem_count', @current_problem_count, min: @current_problem_count, class: 'form-control' %>
+    <%= submit_tag t('.update'), class: 'btn btn-warning' %>
+<% end %>
\ No newline at end of file
diff --git a/config/locales/views/admin/de.yml b/config/locales/views/admin/de.yml
index 579521d..4a41b80 100644
--- a/config/locales/views/admin/de.yml
+++ b/config/locales/views/admin/de.yml
@@ -3,4 +3,10 @@ de:
     dashboard:
       index:
         administration: "Administration"
-        view_translations: "Übersetzungen anschauen"
\ No newline at end of file
+        view_translations: "Übersetzungen anschauen"
+        update_problem_count: "Problem-Anzahl aktualisieren"
+        update: "Aktualisieren"
+      update_problem_count:
+        success_message: "Problem-Anzahl wurde erfolgreich aktualisiert!"
+        failure_message: "Problem-Anzahl konnte nicht aktualisiert werden! Grund: %{error}"
+        no_problem_count: "Keine Problem-Anzahl gegeben!"
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 357d745..316d829 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -6,6 +6,7 @@ Rails.application.routes.draw do
 
   namespace :admin do
     get '', to: 'dashboard#index', as: '/'
+    post '/update_problem_count', to: 'dashboard#update_problem_count'
     resources :translations, only: [:index, :show]
   end
 
diff --git a/test/controllers/admin/dashboard_controller_test.rb b/test/controllers/admin/dashboard_controller_test.rb
index 30f29e0..99ea7bb 100644
--- a/test/controllers/admin/dashboard_controller_test.rb
+++ b/test/controllers/admin/dashboard_controller_test.rb
@@ -12,4 +12,10 @@ class Admin::DashboardControllerTest < ActionController::TestCase
     assert_response :success
   end
 
+  test "should post new problem count" do
+    post :update_problem_count, problem_count: 15
+    assert_redirected_to controller: 'admin/dashboard', action: 'index'
+    assert_equal 15, Problem.count
+  end
+
 end