Completed several todo-s

app/controllers/qa_controller.rb

@@ -4,10 +4,23 @@ def index
     @new = QuestionsAnswersNew.all
 
     if request.post?
-      @item = QuestionsAnswersNew.new(params[:questions_answers_new])
-      if @item.save
-        redirect_to root_url
+
+      if params[:questions_answers_new]
+        @item = QuestionsAnswersNew.new(params[:questions_answers_new])
+        if @item.save
+          redirect_to root_url
+        end
+      end
+
+      if params[:questions_answers_params]
+        @period = QuestionsAnswersParams.find_or_create_by_name('period')
+        if @period && @period.update_attributes!(params[:questions_answers_params])
+          flash[:period_notice] = "Successfully updated period"
+          redirect_to root_url
+        end
       end
     end
+
+    @period = QuestionsAnswersParams.find_by_name('period') unless @period
   end
 end

app/models/questions_answers_params.rb

@@ -0,0 +1,2 @@
+class QuestionsAnswersParams < ActiveRecord::Base
+end

app/views/qa/index.erb

@@ -1,7 +1,8 @@
 <% if @existing.empty? %>
-  There are no existing questions/answers
+  There are no existing questions/answers found
 <% else %>
-  <table>
+  Existing questions/answers:
+  <table border="1">
     <tr>
       <td>Question</td>
       <td>Answer</td>
@@ -16,9 +17,9 @@
 <% end %>
 <br/>
 <% if @new.empty? %>
-  There are new questions/answers
+  No new questions/answers found
 <% else %>
-  <table>
+  <table border="1">
     <tr>
       <td>Question</td>
       <td>Answer</td>
@@ -46,3 +47,13 @@
   </p>
   <%= f.submit %>
 <% end %>
+
+Change period: <br/>
+<% form_for @period || :questions_answers_params, :html => { :method => :post }, :url => root_url do |f| %>
+  <%= f.error_messages %>
+  <p>
+    Period:<br />
+    <%= f.text_field :value %>
+  </p>
+  <%= f.submit %>
+<% end %>

db/migrate/003_create_questions_answers_params.rb

@@ -0,0 +1,14 @@
+class CreateQuestionsAnswersParams < ActiveRecord::Migration
+  def self.up
+    create_table :questions_answers_params do |t|
+      t.string :name
+      t.string :value
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :questions_answers_params
+  end
+end

db/migrate/004_add_dummy_questions_answers.rb

@@ -0,0 +1,10 @@
+class AddDummyQuestionsAnswers < ActiveRecord::Migration
+  def self.up
+    QuestionsAnswersNew.create :question => "1+1 = ???", :answer => "2"
+    QuestionsAnswersNew.create :question => "Barak Obama plays role of ...", :answer => "devil or devil's son"
+    QuestionsAnswersNew.create :question => "3+2 = ???", :answer => "5"
+  end
+
+  def self.down
+  end
+end

db/schema.rb

@@ -9,7 +9,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 2) do
+ActiveRecord::Schema.define(:version => 4) do
 
   create_table "questions_answers_existing", :force => true do |t|
     t.text     "question",   :null => false
@@ -27,4 +27,11 @@
     t.datetime "updated_at"
   end
 
+  create_table "questions_answers_params", :force => true do |t|
+    t.string   "name"
+    t.string   "value"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
 end

test/fixtures/questions_answers_params.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+
+one:
+  name: MyString
+  value: MyString
+
+two:
+  name: MyString
+  value: MyString

test/unit/questions_answers_params_test.rb

@@ -0,0 +1,8 @@
+require 'test_helper'
+
+class QuestionsAnswersParamsTest < ActiveSupport::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end