96 lines
2.4 KiB
Ruby
96 lines
2.4 KiB
Ruby
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module BootstrapFormExtensions
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# Extend help text to allow translations to be specified under 'helpers.help'
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def get_help_text_by_i18n_key(name)
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return if object.nil?
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HelpText.new(object, name).to_s
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end
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def required_attribute?(obj, attribute)
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RequiredAttribute.new(obj, attribute, options[:validation_context]).required?
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end
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private
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class RequiredAttribute
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def initialize(obj, attribute, context)
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@obj = obj
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@attribute = attribute
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@context = context
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end
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def required?
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return false unless obj and attribute
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presence_validator.present? && validates_in_context?
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end
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private
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attr_reader :obj, :attribute, :context
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def model_validation_context
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if presence_validator
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presence_validator.options[:on]
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end
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end
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def presence_validator
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target_validators.detect { |validator| validator.class.in? [ActiveModel::Validations::PresenceValidator, ActiveRecord::Validations::PresenceValidator] }
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end
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def target
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(obj.class == Class) ? obj : obj.class
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end
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def target_validators
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if target.respond_to? :validators_on
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target.validators_on(attribute)
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else
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[]
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end
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end
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def validates_in_context?
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(model_validation_context.blank? || model_validation_context == context)
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end
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end
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class HelpText
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attr_reader :object, :name
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def initialize(object, name)
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@object = object
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@name = name
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end
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def to_s
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namespaces.map { |namespace| help_text_for(namespace) }.compact.first
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end
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private
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def help_text_for(namespace)
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underscored_scope = "#{namespace}.#{partial_scope.underscore}"
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downcased_scope = "#{namespace}.#{partial_scope.downcase}"
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help_text = I18n.t(name, scope: underscored_scope, default: '').presence
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help_text ||= if text = I18n.t(name, scope: downcased_scope, default: '').presence
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warn "I18n key '#{downcased_scope}.#{name}' is deprecated, use '#{underscored_scope}.#{name}' instead"
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text
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end
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help_text
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end
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def partial_scope
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# ActiveModel::Naming 3.X.X does not support .name; it is supported as of 4.X.X
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@partial_scope ||= object.class.model_name.respond_to?(:name) ? object.class.model_name.name : object.class.model_name
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end
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def namespaces
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%w(activerecord.help helpers.help)
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end
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end
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end
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