Class: Minidoc::Validations::UniquenessValidator
- Inherits:
-
ActiveModel::EachValidator
- Object
- ActiveModel::EachValidator
- Minidoc::Validations::UniquenessValidator
- Defined in:
- lib/minidoc/validations.rb
Instance Method Summary collapse
-
#initialize(options) ⇒ UniquenessValidator
constructor
A new instance of UniquenessValidator.
- #message(instance) ⇒ Object
- #scope_conditions(instance) ⇒ Object
- #validate_each(record, attribute, value) ⇒ Object
Constructor Details
#initialize(options) ⇒ UniquenessValidator
Returns a new instance of UniquenessValidator.
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# File 'lib/minidoc/validations.rb', line 3 def initialize() super(.reverse_merge(case_sensitive: true)) end |
Instance Method Details
#message(instance) ⇒ Object
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# File 'lib/minidoc/validations.rb', line 30 def (instance) super || "has already been taken" end |
#scope_conditions(instance) ⇒ Object
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# File 'lib/minidoc/validations.rb', line 34 def scope_conditions(instance) Array([:scope]).inject({}) do |conditions, key| conditions.merge(key => instance[key]) end end |
#validate_each(record, attribute, value) ⇒ Object
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# File 'lib/minidoc/validations.rb', line 7 def validate_each(record, attribute, value) conditions = scope_conditions(record) if [:case_sensitive] conditions[attribute] = value else conditions[attribute] = /^#{Regexp.escape(value.to_s)}$/i end # Make sure we're not including the current document in the query if record._id conditions[:_id] = { "$ne" => record.id } end if record.class.exists?(conditions) record.errors.add( attribute, :taken, .except(:case_sensitive, :scope).merge(value: value) ) end end |