module ActiveAdmin::Filters::FormtasticAddons
Public Instance Methods
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# File lib/active_admin/filters/formtastic_addons.rb, line 27 def column column_for method end
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# File lib/active_admin/filters/formtastic_addons.rb, line 23 def column_for(method) klass.columns_hash[method.to_s] if klass.respond_to? :columns_hash end
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# File lib/active_admin/filters/formtastic_addons.rb, line 63 def has_predicate? !!Ransack::Predicate.detect_from_string(method.to_s) end
If the given method has a predicate (like _eq or _lteq), it’s pretty likely we’re dealing with a valid search method.
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# File lib/active_admin/filters/formtastic_addons.rb, line 11 def humanized_method_name if klass.respond_to?(:human_attribute_name) klass.human_attribute_name(method) else method.to_s.public_send(builder.label_str_method) end end
The below are Formtastic
method overrides that jump inside of the Ransack search object to get at the object being searched upon.
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# File lib/active_admin/filters/formtastic_addons.rb, line 36 def klass @object.object.klass end
The resource class, unwrapped from Ransack
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# File lib/active_admin/filters/formtastic_addons.rb, line 40 def polymorphic_foreign_type?(method) klass.reflect_on_all_associations.select { |r| r.macro == :belongs_to && r.options[:polymorphic] } .map(&:foreign_type).include? method.to_s end
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# File lib/active_admin/filters/formtastic_addons.rb, line 19 def reflection_for(method) klass.reflect_on_association(method) if klass.respond_to? :reflect_on_association end
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# File lib/active_admin/filters/formtastic_addons.rb, line 68 def scope? context = Ransack::Context.for klass context.respond_to?(:ransackable_scope?) && context.ransackable_scope?(method.to_s, klass) end
Ransack supports exposing selected scopes on your model for advanced searches.
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# File lib/active_admin/filters/formtastic_addons.rb, line 49 def searchable_has_many_through? if klass.ransackable_associations.include?(method.to_s) && reflection && reflection.options[:through] reflection.through_reflection.klass.ransackable_attributes.include? reflection.foreign_key else false end end
These help figure out whether the given method or association will be recognized by Ransack.
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# File lib/active_admin/filters/formtastic_addons.rb, line 57 def seems_searchable? column_for(method).nil? && (has_predicate? || scope?) end