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POSuppress "base" in error text for custom validation of Rails nested attributes
 

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    <p>I have the following models:</p> <pre><code>class Evaluation &lt; ActiveRecord::Base attr_accessible :product_id, :description, :evaluation_institutions_attributes has_many :evaluation_institutions, :dependent =&gt; :destroy accepts_nested_attributes_for :evaluation_institutions, :reject_if =&gt; lambda { |a| a[:token].blank? }, :allow_destroy =&gt; true validate :requires_at_least_one_institution private def requires_at_least_one_institution if evaluation_institution_ids.nil? || evaluation_institution_ids.length == 0 errors.add_to_base("Please select at least one institution") end end end class EvaluationInstitution &lt; ActiveRecord::Base attr_accessible :evaluation_institution_departments_attributes, :institution_id belongs_to :evaluation has_many :evaluation_institution_departments, :dependent =&gt; :destroy accepts_nested_attributes_for :evaluation_institution_departments, :reject_if =&gt; lambda { |a| a[:department_id].blank? }, :allow_destroy =&gt; true validate :requires_at_least_one_department private def requires_at_least_one_department if evaluation_institution_departments.nil? || evaluation_institution_departments.length == 0 errors.add_to_base("Please select at least one department") end end end class EvaluationInstitutionDepartment &lt; ActiveRecord::Base belongs_to :evaluation_institution belongs_to :department end </code></pre> <p>I have a form for Evaluation that includes nested attributes for EvaluationInstitution and EvaluationInstitutionDepartment, so my form is nested to 3 levels. The 3rd level is giving me a problem.</p> <p>The errors are triggered as expected, but when the error triggers for requires_at_least_one_department, the text reads </p> <blockquote> <p>Evaluation institutions base Please select at least one department</p> </blockquote> <p>The message should read "Please select at least one department".</p> <p>How do I remove "Evaluation institutions base"?</p>
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    1. CODid you ever find an answer to this @Kevin? I'm having the same problem. Wondering if simplifying the question might help..?
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    2. CONever did find an answer to this.
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    3. CO@paul, btw, my work around was to push all the validation up to the higher level model, evaluation. So, for instance, my :requires_at_least_one_department function gets moved to the Evaluation model. Not a terrific solution.
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