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PORails help creating ajax star rating
 

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    <p>I am having a bit trouble creating some simple ajax rating based on these two answers. <a href="https://stackoverflow.com/questions/5033879/rails-3-rateable-model-how-to-create-ajax-rating">Rails 3 rateable model - How to create ajax rating?</a> and <a href="https://stackoverflow.com/questions/5516970/rails-ajax-rating-help-how-to-create-a-helper-method-to-display-stars">Rails ajax rating help how to create a helper method to display stars</a></p> <p>I get the following error in my kategori view:</p> <pre><code>NameError in Kategoris#show Showing C:/Rails/konkurranceportalen/app/views/kategoris/_rating.html.erb where line #2 raised: undefined local variable or method `f' for #&lt;#&lt;Class:0x3c77820&gt;:0x3c724f8&gt; Extracted source (around line #2): 1: &lt;%= form_tag url_for(controller: 'konkurrancers', action: 'rate', id: "#{vind.id}"), remote: true %&gt; 2: &lt;%= f.text_field :ratings, :size =&gt; 1, :min =&gt; 0, :max =&gt; 5, :step =&gt; 1 %&gt; 3: &lt;div class="rateit" data-rateit-backingfld="#konkurrancer_ratings" data-rateit-resetable="true"&gt; 4: &lt;/div&gt; 5: &lt;/form&gt; </code></pre> <p>My kategori show view:</p> <pre><code>&lt;h1&gt;&lt;%= @kategori.h2.force_encoding("UTF-8") %&gt;&lt;/h1&gt; &lt;div id="konkurrancer"&gt;&lt;%= render 'konkurrencer', :remote =&gt; true %&gt;&lt;/div&gt; &lt;/div&gt; </code></pre> <p>My konkurrencer partial:</p> <pre><code>&lt;div id="tabel"&gt; &lt;table id="tabel1" border="0" bordercolor="#000000" style="background-color:#FFFFFF" width="725" cellpadding="0" cellspacing="0"&gt; &lt;tr id="toptr"&gt; &lt;td&gt;&lt;%= sortable "name", "Navn" %&gt;&lt;/td&gt; &lt;/tr&gt; &lt;% @konkurrancer.each do |vind| %&gt; &lt;tr class="thumbnail-item" onclick="window.open('&lt;%= vind.tracking %&gt;')" onmouseout="this.style.background='white';" onmouseover="this.style.background='#99ff33';this.style.cursor='pointer'"&gt; &lt;td width="280px" style="padding-left: 5px;"&gt;&lt;%= truncate(vind.name.force_encoding("UTF-8"), :length =&gt; 45) %&gt;&lt;/td&gt; &lt;td&gt;&lt;div id="container"&gt;&lt;%= render :partial =&gt; "rating", :remote =&gt; true, :locals =&gt; { :vind =&gt; vind } %&gt;&lt;/div&gt;&lt;/td&gt; &lt;/div&gt; &lt;/tr&gt; &lt;% end %&gt; &lt;/table&gt; &lt;div id="pagenavi"&gt; &lt;%= hidden_field_tag :direction, params[:direction] %&gt; &lt;%= hidden_field_tag :sort, params[:sort] %&gt; &lt;/div&gt; </code></pre> <p>My ratings partial:</p> <pre><code>&lt;%= form_tag url_for(controller: 'konkurrancers', action: 'rate', id: "#{vind.id}"), remote: true %&gt; &lt;%= f.text_field :ratings, :size =&gt; 1, :min =&gt; 0, :max =&gt; 5, :step =&gt; 1 %&gt; &lt;div class="rateit" data-rateit-backingfld="#konkurrancer_ratings" data-rateit-resetable="true"&gt; &lt;/div&gt; &lt;/form&gt; </code></pre> <p>My rate.js:</p> <pre><code>$('#&lt;%= @container %&gt;').html('&lt;%= escape_javascript(render(partial: 'rating', locals: { konkurrancer: @konkurrancer })) %&gt;'); </code></pre> <p>My konkurrancers controller:</p> <pre><code> def rate @konkurrancer = Konkurrancer.find(params[:id]) @container = "Konkurrancer"+@Konkurrancer.id.to_s @theme.rating_score += params[:rating].to_i @theme.ratings += 1 @theme.save respond_to do |format| format.js end end end </code></pre>
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    1. COYou'r error message does not match the code in your example. In your error message id is set as id: vind.id and in your example code is is set as id: konkurrancer.id. Please clarify.
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    2. COI have updated my answer. The id is set to vind.id
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