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Contents
module Ransack
module Nodes
class Condition
def arel_predicate
attributes.map { |attribute|
association = attribute.parent
if negative? && attribute.associated_collection?
query = context.build_correlated_subquery(association)
context.remove_association(association)
if self.predicate_name == 'not_null' && self.value
query.where(format_predicate(attribute))
Arel::Nodes::In.new(context.primary_key, Arel.sql(query.to_sql))
else
query.where(format_predicate(attribute).not)
Arel::Nodes::NotIn.new(context.primary_key, Arel.sql(query.to_sql))
end
else
format_predicate(attribute)
end
}.reduce(combinator_method)
end
private
def combinator_method
combinator === Constants::OR ? :or : :and
end
def format_predicate(attribute)
arel_pred = arel_predicate_for_attribute(attribute)
arel_values = formatted_values_for_attribute(attribute)
predicate = attribute.attr.public_send(arel_pred, arel_values)
if in_predicate?(predicate)
predicate.right = predicate.right.map do |pr|
casted_array?(pr) ? format_values_for(pr) : pr
end
end
predicate
end
def in_predicate?(predicate)
return unless defined?(Arel::Nodes::Casted)
predicate.class == Arel::Nodes::In
end
def casted_array?(predicate)
predicate.respond_to?(:val) && predicate.val.is_a?(Array)
end
def format_values_for(predicate)
predicate.val.map do |value|
value.is_a?(String) ? Arel::Nodes.build_quoted(value) : value
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems