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PORails paperclip content type validation with client_side_validations
 

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  1. PORails paperclip content type validation with client_side_validations
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    <p>I am using paperclip for images. I want to make sure that only images files(jpeg/png) are uploaded. Here is my paperclip validation rule.</p> <pre><code>validates_attachment :photo, :presence =&gt; { :message =&gt; "is required" }, :content_type =&gt; { :content_type =&gt; ['image/jpeg', 'image/jpg', 'image/png'], :message =&gt; "Invalid content type" } </code></pre> <p>The validation works and record is not saved if user uploads a non-image file. But the error message gets stored in @news.errors.messages[:<strong>photo_content_type</strong>] instead of @news.errors.messages[:<strong>photo</strong>]</p> <p>I am using client-side-validations gem to display error messages. Since invalid content type message is attached to :<strong>photo_content_type</strong>, it is not displayed inline.</p> <p>Right now I am displaying the message as follows:</p> <pre><code>&lt;% if @news.errors.messages[:photo_content_type] %&gt; &lt;div class="field_with_errors"&gt; &lt;%= f.file_field :photo %&gt; &lt;label for="" class="validation-error-message"&gt; &lt;%= @news.errors.messages[:photo_content_type][0] %&gt; &lt;/label&gt; &lt;/div&gt; &lt;% else %&gt; &lt;%= f.file_field :photo %&gt; &lt;% end %&gt; </code></pre> <p>Is there a better way so that If user uploads a non image file, the message gets added to @news.errors.messages[:photo] </p> <p><strong>Update</strong><br> I added after validation callback:</p> <pre><code>after_validation :join_img_errors def join_img_errors if errors.messages.has_key?(:photo_content_type) errors.messages[:photo] = errors.messages[:photo_content_type] end end </code></pre> <p>This way, I don't have to modify view code. But I still have to add the callback to all the models that use paperclip.</p>
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    1. PTQuestion
    1. USNitish Parkar
    1. USNitish Parkar
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