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module JsonapiCompliable
module Util
# Helper methods for traversing the 'relationships' JSONAPI payloads
# @api private
class RelationshipPayload
attr_reader :resource, :payload
def self.iterate(resource:, relationships: {}, only: [], except: [])
instance = new(resource, relationships, only: only, except: except)
instance.iterate do |sideload, relationship_data, sub_relationships|
yield sideload, relationship_data, sub_relationships
end
end
def initialize(resource, payload, only: [], except: [])
@resource = resource
@payload = payload
@only = only
@except = except
end
def iterate
payload.each_pair do |relationship_name, relationship_payload|
if sl = resource.sideload(relationship_name.to_sym)
if should_yield?(sl.type)
if relationship_payload.is_a?(Array)
relationship_payload.each do |rp|
yield payload_for(sl, rp)
end
else
yield payload_for(sl, relationship_payload)
end
end
end
end
end
private
def should_yield?(type)
(@only.length > 0 && @only.include?(type)) ||
(@except.length > 0 && !@except.include?(type))
end
def payload_for(sideload, relationship_payload)
if sideload.polymorphic?
type = relationship_payload[:meta][:jsonapi_type]
sideload = sideload.polymorphic_child_for_type(type)
end
relationship_payload[:meta][:method] ||= :update
{
sideload: sideload,
is_polymorphic: !sideload.parent.nil?,
primary_key: sideload.primary_key,
foreign_key: sideload.foreign_key,
attributes: relationship_payload[:attributes],
meta: relationship_payload[:meta],
relationships: relationship_payload[:relationships]
}
end
end
end
end
Version data entries
45 entries across 45 versions & 1 rubygems