Add translation tips

app/controllers/translations_controller.rb

@@ -1,38 +1,38 @@
-class TranslationsController < ApplicationController
-  before_action :set_problem, only: [:new, :create]
-
-  # GET /translations/new
-  def new
-    @translation = @problem.translations.build
-    if @problem.is_translated?
-      @translation.title = @problem.translation.title
-      @translation.content = @problem.translation.content
-    end
-  end
-
-  # POST /translations
-  # POST /translations.json
-  def create
-    @translation = @problem.translations.new(translation_params)
-
-    respond_to do |format|
-      if @translation.save
-        format.html { redirect_to @problem, notice: t('translations.notice.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
-
-  private
-    # Never trust parameters from the scary internet, only allow the white list through.
-    def translation_params
-      params.require(:translation).permit(:title, :content)
-    end
-
-    def set_problem
-      @problem = Problem.find(params[:problem_id])
-    end
-end
+class TranslationsController < ApplicationController
+  before_action :set_problem, only: [:new, :create]
+
+  # GET /translations/new
+  def new
+    @translation = @problem.translations.build
+    if @problem.is_translated?
+      @translation.title = @problem.translation.title
+      @translation.content = @problem.translation.content
+    end
+  end
+
+  # POST /translations
+  # POST /translations.json
+  def create
+    @translation = @problem.translations.new(translation_params)
+
+    respond_to do |format|
+      if @translation.save
+        format.html { redirect_to @problem, notice: t('translations.notice.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
+
+  private
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def translation_params
+      params.require(:translation).permit(:title, :content)
+    end
+
+    def set_problem
+      @problem = Problem.find(params[:problem_id])
+    end
+end