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Contents
# frozen_string_literal: true
module Mongoid
module Association
module Referenced
class BelongsTo
# The Builder behavior for belongs_to associations.
module Buildable
# This method either takes an _id or an object and queries for the
# inverse side using the id or sets the object.
#
# @example Build the document.
# relation.build(meta, attrs)
#
# @param [ Object ] base The base object.
# @param [ Object ] object The object to use to build the association.
# @param [ String ] type The type of the association.
# @param [ nil ] selected_fields Must be nil.
#
# @return [ Document ] A single document.
def build(base, object, type = nil, selected_fields = nil)
return object unless query?(object)
execute_query(object, type)
end
private
def execute_query(object, type)
query_criteria(object, type).take
end
def query_criteria(object, type)
cls = type ? type.constantize : relation_class
crit = cls.criteria
crit = crit.apply_scope(scope)
crit.where(primary_key => object)
end
def query?(object)
object && !object.is_a?(Mongoid::Document)
end
end
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems