Class: PartialKs::Table
- Inherits:
-
Object
- Object
- PartialKs::Table
- Defined in:
- lib/partial_ks/table.rb
Instance Attribute Summary collapse
-
#model ⇒ Object
readonly
Returns the value of attribute model.
Instance Method Summary collapse
-
#candidate_parent_classes ⇒ Object
NB: can’t do polymorphic for now, rails errors on reflection#klass see, e.g.
- #inferred_parent_class ⇒ Object
-
#initialize(model) ⇒ Table
constructor
A new instance of Table.
- #relation_for_associated_model(klass) ⇒ Object
Constructor Details
#initialize(model) ⇒ Table
Returns a new instance of Table.
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# File 'lib/partial_ks/table.rb', line 6 def initialize(model) @model = model end |
Instance Attribute Details
#model ⇒ Object (readonly)
Returns the value of attribute model.
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# File 'lib/partial_ks/table.rb', line 3 def model @model end |
Instance Method Details
#candidate_parent_classes ⇒ Object
NB: can’t do polymorphic for now, rails errors on reflection#klass see, e.g. github.com/rails/rails/issues/15833
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# File 'lib/partial_ks/table.rb', line 22 def candidate_parent_classes non_nullable_reflections.reject(&:polymorphic?).map(&:klass) end |
#inferred_parent_class ⇒ Object
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# File 'lib/partial_ks/table.rb', line 10 def inferred_parent_class if candidate_parent_classes.empty? nil elsif candidate_parent_classes.size == 1 candidate_parent_classes.first else MultiParent.new(candidate_parent_classes) end end |
#relation_for_associated_model(klass) ⇒ Object
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# File 'lib/partial_ks/table.rb', line 26 def relation_for_associated_model(klass) association = model.reflect_on_all_associations.find {|assoc| assoc.class_name == klass.name} raise "#{filter_condition.name} not found in #{model.name} associations" if association.nil? case association.macro when :belongs_to model.where(association.foreign_key => [0, *klass.pluck(:id)]) when :has_many model.where(model.primary_key => [0, *klass.pluck(association.foreign_key)]) else raise "Unknown macro" end end |