gistfile1.rb

class Job < ActiveRecord::Base
  belongs_to :catergory
  
  # UPLOAD a file for the logo
   def upload
     uploaded_io = params[:job][:logo]
       File.open(Rails.root.join('public', 'images', uploaded_io.original_filename), 'w') do |file|
         file.write(uploaded_io.read)
       end
   end
end



CONTROLLER JOBS

# GET /jobs/new
  # GET /jobs/new.xml
  def new
    @job = Job.new
    @cat = Catergory.find(:all)

    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @job }
    end
  end

  # GET /jobs/1/edit
  def edit
    @job = Job.find(params[:id])
    @cat = Catergory.find(params[:id])
  end

  # POST /jobs
  # POST /jobs.xml
  def create
    #ADD THIS LINE
    @catergory= Catergory.find(params[:catergory_id])#This is the new line added
    #It stores the value retrieved from the select box which displays the available categories to be added
    #END ADD
    
    @job = Catergory.jobs.build(params[:job])

    respond_to do |format|
      if @job.save
        format.html { redirect_to(@job, :notice => 'Job was successfully created.') }
        format.xml  { render :xml => @job, :status => :created, :location => @job }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @job.errors, :status => :unprocessable_entity }
      end
    end
  end


VIEW NEW

<% form_for [@catergory, Job.new], :html => {:multipart => true } do |f| %>
<%= f.error_messages %>

<dt><%= f.label "title" %></dt>
    <dd>
        <%= f.text_field :title %>
        <br>
        <span  class="hint">"Senior Ruby Developer" or "HTML5 CSS3 Guru"</span>
    </dd>

<dt><%= f.label "Location" %></dt>
    <dd>
        <%= f.text_field :location %>
        <br>
        <span  class="hint">"Lincoln, UK", "Tallinn, Estonia", or "Anywhere"</span>
    </dd>


<dt>Category</dt>

<% Catergory.find(:all).each do |category|  %>

    <dd>
        <label><%= f.radio_button :catergory_id, category.id %> <%= category.name.titleize %></label>
    </dd>

<% end -%>




<dt class="tarea"><%= f.label "Job descripton" %></dt>
    <dd class="tarea"><%= f.text_area :description, :size => "70x20" %></dd>

<dt class="tarea"><%= f.label "How you should apply" %></dt>
    <dd class="tarea">

        <%= f.text_area :apply, :size => "70x6" %>
        <br>
        <span  class="hint">Example: Send your portfolio to [email protected]</span>
    </dd>

<h2>Now then, someing about your company. What should they know?</h2>

<dt><%= f.label "Name" %></dt>
<dd>
    <%= f.text_field :company %>
    <br>
    <span  class="hint">Example: 'Safarista Design', 'Safrista Jobs' or '37signals'</span>

</dd>

<dt><%= f.label :logo %></dt>
<dd>
    <%= f.file_field("upload") %>
    <br>
    <span class="hint">
        Optional &rarr; Your company logo will appear at the top of youur listing.
        <br>
        190px wide is optimal. If larger we will resize it automatically. 
    </span>
</dd>

<dt><%= f.label :url %></dt>
<dd>
    <%= f.text_field :url  %>
    <br>
    <span  class="hint">
        Ex: http://www.safarista.com
    </span>
</dd>

<dt><%= f.label :email %></dt>
<dd>
    <%= f.text_field :email %>
    <br>
    <span  class="hint">
        This is where we will send you a confirmation receipt of your payment and listing.
    </span>
</dd>

</section><!--.company-->
<%= f.submit 'Step 2: Proceed to preview your ad &rarr;' %>

<% end %>

VIEW NEW

<% form_for [@catergory, Job.new], :html => {:multipart => true } do |f| %>
<%= f.error_messages %>

<%= f.label "title" %>

<%= f.text_field :title %>
"Senior Ruby Developer" or "HTML5 CSS3 Guru"

<dt><%= f.label "Location" %></dt>
    <dd>
        <%= f.text_field :location %>
        <br>
        <span  class="hint">"Lincoln, UK", "Tallinn, Estonia", or "Anywhere"</span>
    </dd>


<dt>Category</dt>

<% Catergory.find(:all).each do |category|  %>

    <dd>
        <label><%= f.radio_button :catergory_id, category.id %> <%= category.name.titleize %></label>
    </dd>

<% end -%>




<dt class="tarea"><%= f.label "Job descripton" %></dt>
    <dd class="tarea"><%= f.text_area :description, :size => "70x20" %></dd>

<dt class="tarea"><%= f.label "How you should apply" %></dt>
    <dd class="tarea">

        <%= f.text_area :apply, :size => "70x6" %>
        <br>
        <span  class="hint">Example: Send your portfolio to [email protected]</span>
    </dd>

Now then, some`ing about your company. What should they know?

<%= f.label "Name" %>

<%= f.text_field :company %>
Example: 'Safarista Design', 'Safrista Jobs' or '37signals'

</dd>

<dt><%= f.label :logo %></dt>
<dd>
    <%= f.file_field("upload") %>
    <br>
    <span class="hint">
        Optional &rarr; Your company logo will appear at the top of youur listing.
        <br>
        190px wide is optimal. If larger we will resize it automatically. 
    </span>
</dd>

<dt><%= f.label :url %></dt>
<dd>
    <%= f.text_field :url  %>
    <br>
    <span  class="hint">
        Ex: http://www.safarista.com
    </span>
</dd>

<dt><%= f.label :email %></dt>
<dd>
    <%= f.text_field :email %>
    <br>
    <span  class="hint">
        This is where we will send you a confirmation receipt of your payment and listing.
    </span>
</dd>

</section><!--.company-->
<%= f.submit 'Step 2: Proceed to preview your ad &rarr;' %>

<% end %>