Rename Problem to Translation

app/assets/stylesheets/translations.css.scss

@@ -1,3 +1,3 @@
-// Place all the styles related to the Problems controller here.
+// Place all the styles related to the Translations controller here.
 // They will automatically be included in application.css.scss.
 // You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/problems_controller.rb

@@ -1,74 +0,0 @@
-class ProblemsController < ApplicationController
-  before_action :set_problem, only: [:show, :edit, :update, :destroy]
-
-  # GET /problems
-  # GET /problems.json
-  def index
-    @problems = Problem.paginate(page: params[:page])
-  end
-
-  # GET /problems/1
-  # GET /problems/1.json
-  def show
-  end
-
-  # GET /problems/new
-  def new
-    @problem = Problem.new
-  end
-
-  # GET /problems/1/edit
-  def edit
-  end
-
-  # POST /problems
-  # POST /problems.json
-  def create
-    @problem = Problem.new(problem_params)
-
-    respond_to do |format|
-      if @problem.save
-        format.html { redirect_to @problem, notice: 'Problem was successfully created.' }
-        format.json { render :show, status: :created, location: @problem }
-      else
-        format.html { render :new }
-        format.json { render json: @problem.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
-  # PATCH/PUT /problems/1
-  # PATCH/PUT /problems/1.json
-  def update
-    respond_to do |format|
-      if @problem.update(problem_params)
-        format.html { redirect_to @problem, notice: 'Problem was successfully updated.' }
-        format.json { render :show, status: :ok, location: @problem }
-      else
-        format.html { render :edit }
-        format.json { render json: @problem.errors, status: :unprocessable_entity }
-      end
-    end
-  end
-
-  # DELETE /problems/1
-  # DELETE /problems/1.json
-  def destroy
-    @problem.destroy
-    respond_to do |format|
-      format.html { redirect_to problems_url, notice: 'Problem was successfully destroyed.' }
-      format.json { head :no_content }
-    end
-  end
-
-  private
-    # Use callbacks to share common setup or constraints between actions.
-    def set_problem
-      @problem = Problem.find(params[:id])
-    end
-
-    # Never trust parameters from the scary internet, only allow the white list through.
-    def problem_params
-      params.require(:problem).permit(:title, :content)
-    end
-end

app/controllers/translations_controller.rb

@@ -0,0 +1,74 @@
+class TranslationsController < ApplicationController
+  before_action :set_translation, only: [:show, :edit, :update, :destroy]
+
+  # GET /translations
+  # GET /translations.json
+  def index
+    @translations = Translation.paginate(page: params[:page])
+  end
+
+  # GET /translations/1
+  # GET /translations/1.json
+  def show
+  end
+
+  # GET /translations/new
+  def new
+    @translation = Translation.new
+  end
+
+  # GET /translations/1/edit
+  def edit
+  end
+
+  # POST /translations
+  # POST /translations.json
+  def create
+    @translation = Translation.new(translation_params)
+
+    respond_to do |format|
+      if @translation.save
+        format.html { redirect_to @translation, notice: 'Translation was successfully created.' }
+        format.json { render :show, status: :created, location: @translation }
+      else
+        format.html { render :new }
+        format.json { render json: @translation.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /translations/1
+  # PATCH/PUT /translations/1.json
+  def update
+    respond_to do |format|
+      if @translation.update(translation_params)
+        format.html { redirect_to @translation, notice: 'Translation was successfully updated.' }
+        format.json { render :show, status: :ok, location: @translation }
+      else
+        format.html { render :edit }
+        format.json { render json: @translation.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /translations/1
+  # DELETE /translations/1.json
+  def destroy
+    @translation.destroy
+    respond_to do |format|
+      format.html { redirect_to translations_url, notice: 'Translation was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_translation
+      @translation = Translation.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def translation_params
+      params.require(:translation).permit(:title, :content)
+    end
+end

app/helpers/problems_helper.rb

@@ -1,2 +0,0 @@
-module ProblemsHelper
-end

app/helpers/translations_helper.rb

@@ -0,0 +1,2 @@
+module TranslationsHelper
+end

app/models/translation.rb

@@ -1,4 +1,4 @@
-class Problem < ActiveRecord::Base
+class Translation < ActiveRecord::Base
   validates :title, :content, presence: true
   validates :title, uniqueness: true
 

app/views/layouts/application.html.erb

@@ -13,7 +13,7 @@
     <% end %>
     <%= horizontal do %>
         <%= nav class: 'navbar-left' do %>
-            <%= link_to 'Probleme', problems_path %>
+            <%= link_to 'Translations', translations_path %>
         <% end %>
     <% end %>
 <% end %>

app/views/problems/_problem_pagination.html.erb

@@ -1 +0,0 @@
-<%= will_paginate @problems, renderer: BootstrapPagination::Rails %>

app/views/problems/edit.html.erb

@@ -1,6 +0,0 @@
-<h1>Editing problem</h1>
-
-<%= render 'form' %>
-
-<%= link_to 'Show', @problem %> |
-<%= link_to 'Back', problems_path %>

app/views/problems/index.html.erb

@@ -1,24 +0,0 @@
-<h1>Listing problems</h1>
-
-<%= render 'problem_pagination' %>
-<table class="table table-striped table-bordered">
-  <thead>
-    <tr>
-      <th>ID</th>
-      <th>Title</th>
-    </tr>
-  </thead>
-
-  <tbody>
-    <% @problems.each do |problem| %>
-      <tr>
-        <td><%= problem.id %></td>
-        <td><%= link_to problem.title, problem %></td>
-      </tr>
-    <% end %>
-  </tbody>
-</table>
-<%= render 'problem_pagination' %>
-<br>
-
-<%= link_to 'New Problem', new_problem_path, class: 'btn btn-default' %>

app/views/problems/index.json.jbuilder

@@ -1,4 +0,0 @@
-json.array!(@problems) do |problem|
-  json.extract! problem, :id, :title, :content
-  json.url problem_url(problem, format: :json)
-end

app/views/problems/new.html.erb

@@ -1,5 +0,0 @@
-<h1>New problem</h1>
-
-<%= render 'form' %>
-
-<%= link_to 'Back', problems_path %>

app/views/problems/show.html.erb

@@ -1,17 +0,0 @@
-<% if notice %>
-    <p id="notice"><%= notice %></p>
-<% end %>
-
-<div class="page-header">
-  <h1><%= @problem.title %> <small>Problem <%= @problem.id %></small></h1>
-</div>
-
-<%= panel do %>
-    <div class="panel-body problem-content">
-        <%= sanitize @problem.content %>
-    </div>
-<% end %>
-<div class="text-center">
-  <%= link_to 'Dieses Problem auf projecteuler.net', @problem.original_url, target: '_blank' %>
-</div>
-<%= link_to 'Edit', edit_problem_path(@problem), class: 'btn btn-default' %>

app/views/problems/show.json.jbuilder

@@ -1 +0,0 @@
-json.extract! @problem, :id, :title, :content, :created_at, :updated_at

app/views/translations/_form.html.erb

@@ -1,10 +1,10 @@
-<%= form_for(@problem) do |f| %>
-  <% if @problem.errors.any? %>
+<%= form_for(@translation) do |f| %>
+  <% if @translation.errors.any? %>
     <div id="error_explanation">
-      <h2><%= pluralize(@problem.errors.count, "error") %> prohibited this problem from being saved:</h2>
+      <h2><%= pluralize(@translation.errors.count, "error") %> prohibited this problem from being saved:</h2>
 
       <ul>
-      <% @problem.errors.full_messages.each do |message| %>
+      <% @translation.errors.full_messages.each do |message| %>
         <li><%= message %></li>
       <% end %>
       </ul>

app/views/translations/_translation_pagination.html.erb

@@ -0,0 +1 @@
+<%= will_paginate @translations, renderer: BootstrapPagination::Rails %>

app/views/translations/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing translation</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @translation %> |
+<%= link_to 'Back', translations_path %>

app/views/translations/index.html.erb

@@ -0,0 +1,24 @@
+<h1>Listing translations</h1>
+
+<%= render 'translation_pagination' %>
+<table class="table table-striped table-bordered">
+  <thead>
+    <tr>
+      <th>ID</th>
+      <th>Title</th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @translations.each do |translation| %>
+      <tr>
+        <td><%= translation.id %></td>
+        <td><%= link_to translation.title, translation %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+<%= render 'translation_pagination' %>
+<br>
+
+<%= link_to 'New Translation', new_translation_path, class: 'btn btn-default' %>

app/views/translations/index.json.jbuilder

@@ -0,0 +1,4 @@
+json.array!(@translations) do |translation|
+  json.extract! translation, :id, :title, :content
+  json.url translation_url(translation, format: :json)
+end

app/views/translations/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New translation</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', translations_path %>

app/views/translations/show.html.erb

@@ -0,0 +1,17 @@
+<% if notice %>
+    <p id="notice"><%= notice %></p>
+<% end %>
+
+<div class="page-header">
+  <h1><%= @translation.title %> <small>Problem <%= @translation.id %></small></h1>
+</div>
+
+<%= panel do %>
+    <div class="panel-body problem-content">
+        <%= sanitize @translation.content %>
+    </div>
+<% end %>
+<div class="text-center">
+  <%= link_to 'Dieses Problem auf projecteuler.net', @translation.original_url, target: '_blank' %>
+</div>
+<%= link_to 'Edit', edit_translation_path(@translation), class: 'btn btn-default' %>

app/views/translations/show.json.jbuilder

@@ -0,0 +1 @@
+json.extract! @translation, :id, :title, :content, :created_at, :updated_at

config/routes.rb

@@ -1,11 +1,11 @@
 Rails.application.routes.draw do
-  resources :problems
+  resources :translations
 
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".
 
   # You can have the root of your site routed with "root"
-  root 'problems#index'
+  root 'translations#index'
 
   # Example of regular route:
   #   get 'products/:id' => 'catalog#view'

db/migrate/20141213151812_rename_problems_table_to_translations.rb

@@ -0,0 +1,5 @@
+class RenameProblemsTableToTranslations < ActiveRecord::Migration
+  def change
+    rename_table :problems, :translations
+  end
+end

db/schema.rb

@@ -11,9 +11,9 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20141130153941) do
+ActiveRecord::Schema.define(version: 20141213151812) do
 
-  create_table "problems", force: true do |t|
+  create_table "translations", force: true do |t|
     t.string   "title"
     t.text     "content"
     t.datetime "created_at"

db/seeds.rb

@@ -7,7 +7,7 @@
 #   Mayor.create(name: 'Emanuel', city: cities.first)
 
 for i in 1..103 do
-  Problem.create(
+  Translation.create(
              title: "Problem Nummer #{i}",
              content: "Das hier ist der Inhalt von <b>Problem #{i}</b>.<br />Hier ist die zweite Zeile."
   )

test/controllers/problems_controller_test.rb

@@ -1,53 +0,0 @@
-require 'test_helper'
-
-class ProblemsControllerTest < ActionController::TestCase
-  setup do
-    @problem = problems(:one)
-    @update = {
-        title: 'New title',
-        content: 'This is the new content'
-    }
-  end
-
-  test "should get index" do
-    get :index
-    assert_response :success
-    assert_not_nil assigns(:problems)
-  end
-
-  test "should get new" do
-    get :new
-    assert_response :success
-  end
-
-  test "should create problem" do
-    assert_difference('Problem.count') do
-      post :create, problem: @update
-    end
-
-    assert_redirected_to problem_path(assigns(:problem))
-  end
-
-  test "should show problem" do
-    get :show, id: @problem
-    assert_response :success
-  end
-
-  test "should get edit" do
-    get :edit, id: @problem
-    assert_response :success
-  end
-
-  test "should update problem" do
-    patch :update, id: @problem, problem: @update
-    assert_redirected_to problem_path(assigns(:problem))
-  end
-
-  test "should destroy problem" do
-    assert_difference('Problem.count', -1) do
-      delete :destroy, id: @problem
-    end
-
-    assert_redirected_to problems_path
-  end
-end

test/controllers/translations_controller_test.rb

@@ -0,0 +1,53 @@
+require 'test_helper'
+
+class TranslationsControllerTest < ActionController::TestCase
+  setup do
+    @translation = translations(:one)
+    @update = {
+        title: 'New title',
+        content: 'This is the new content'
+    }
+  end
+
+  test "should get index" do
+    get :index
+    assert_response :success
+    assert_not_nil assigns(:translations)
+  end
+
+  test "should get new" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create translation" do
+    assert_difference('Translation.count') do
+      post :create, translation: @update
+    end
+
+    assert_redirected_to translation_path(assigns(:translation))
+  end
+
+  test "should show translation" do
+    get :show, id: @translation
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get :edit, id: @translation
+    assert_response :success
+  end
+
+  test "should update translation" do
+    patch :update, id: @translation, translation: @update
+    assert_redirected_to translation_path(assigns(:translation))
+  end
+
+  test "should destroy translation" do
+    assert_difference('Translation.count', -1) do
+      delete :destroy, id: @translation
+    end
+
+    assert_redirected_to translations_path
+  end
+end

test/fixtures/translations.yml

@@ -2,8 +2,8 @@
 
 one:
   title: First title
-  content: The content of the problem
+  content: The content of the translation
 
 two:
   title: Second title
-  content: The content of the second problem
+  content: The content of the second translation

test/helpers/problems_helper_test.rb

@@ -1,4 +0,0 @@
-require 'test_helper'
-
-class ProblemsHelperTest < ActionView::TestCase
-end

test/helpers/translations_helper_test.rb

@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class TranslationsHelperTest < ActionView::TestCase
+end

test/models/problem_test.rb

@@ -1,34 +0,0 @@
-require 'test_helper'
-
-class ProblemTest < ActiveSupport::TestCase
-  test "should not save problem without title" do
-    problem = Problem.new(content: 'This is some content')
-    assert_not problem.save
-  end
-
-  test "should not save problem without content" do
-    problem = Problem.new(title: 'Problem title')
-    assert_not problem.save
-  end
-
-  test "should not save problem with duplicate title" do
-    problem = Problem.new(
-        title: problems(:one).title,
-        content: 'This is some content'
-    )
-    assert_not problem.save
-  end
-
-  test "should save correct problem" do
-    problem = Problem.new(
-        title: 'A unique title',
-        content: 'Some content'
-    )
-    assert problem.save
-  end
-
-  test "should have correct original url" do
-    first = Problem.first
-    assert_equal "https://projecteuler.net/problem=#{first.id}", first.original_url
-  end
-end

test/models/translation_test.rb

@@ -0,0 +1,34 @@
+require 'test_helper'
+
+class TranslationTest < ActiveSupport::TestCase
+  test "should not save translation without title" do
+    translation = Translation.new(content: 'This is some content')
+    assert_not translation.save
+  end
+
+  test "should not save translation without content" do
+    translation = Translation.new(title: 'Translation title')
+    assert_not translation.save
+  end
+
+  test "should not save translation with duplicate title" do
+    translation = Translation.new(
+        title: translations(:one).title,
+        content: 'This is some content'
+    )
+    assert_not translation.save
+  end
+
+  test "should save correct translation" do
+    translation = Translation.new(
+        title: 'A unique title',
+        content: 'Some content'
+    )
+    assert translation.save
+  end
+
+  test "should have correct original url" do
+    first = Translation.first
+    assert_equal "https://projecteuler.net/problem=#{first.id}", first.original_url
+  end
+end