module Graphiti::Adapters::Persistence::Associations
Public Instance Methods
process_belongs_to(persistence, attributes)
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# File lib/graphiti/adapters/persistence/associations.rb, line 5 def process_belongs_to(persistence, attributes) parents = [].tap do |processed| persistence.iterate(only: [:polymorphic_belongs_to, :belongs_to]) do |x| id = x.dig(:attributes, :id) x[:object] = x[:resource] .persist_with_relationships(x[:meta], x[:attributes], x[:relationships]) processed << x rescue Graphiti::Errors::RecordNotFound if Graphiti.config.raise_on_missing_sidepost path = "relationships/#{x.dig(:meta, :jsonapi_type)}" raise Graphiti::Errors::RecordNotFound.new(x[:sideload].name, id, path) else pointer = "data/relationships/#{x.dig(:meta, :jsonapi_type)}" object = Graphiti::Errors::NullRelation.new(id.to_s, pointer) object.errors.add(:base, :not_found, message: "could not be found") x[:object] = object processed << x end end end update_foreign_key_for_parents(parents, attributes) parents end
process_has_many(persistence, caller_model)
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# File lib/graphiti/adapters/persistence/associations.rb, line 30 def process_has_many(persistence, caller_model) [].tap do |processed| persistence.iterate(except: [:polymorphic_belongs_to, :belongs_to]) do |x| update_foreign_key(caller_model, x[:attributes], x) x[:object] = x[:resource] .persist_with_relationships(x[:meta], x[:attributes], x[:relationships], caller_model, x[:foreign_key]) processed << x end end end
update_foreign_key(parent_object, attrs, x)
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The child’s attributes should be modified to nil-out the foreign_key when the parent is being destroyed or disassociated
This is not the case for HABTM, whose “foreign key” is a join table
# File lib/graphiti/adapters/persistence/associations.rb, line 53 def update_foreign_key(parent_object, attrs, x) return if x[:sideload].type == :many_to_many if [:destroy, :disassociate].include?(x[:meta][:method]) if x[:sideload].polymorphic_has_one? || x[:sideload].polymorphic_has_many? attrs[:"#{x[:sideload].polymorphic_as}_type"] = nil end attrs[x[:foreign_key]] = nil update_foreign_type(attrs, x, null: true) if x[:is_polymorphic] else if x[:sideload].polymorphic_has_one? || x[:sideload].polymorphic_has_many? attrs[:"#{x[:sideload].polymorphic_as}_type"] = parent_object.class.name end attrs[x[:foreign_key]] = parent_object.send(x[:primary_key]) update_foreign_type(attrs, x) if x[:is_polymorphic] end end
update_foreign_key_for_parents(parents, attributes)
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# File lib/graphiti/adapters/persistence/associations.rb, line 43 def update_foreign_key_for_parents(parents, attributes) parents.each do |x| update_foreign_key(x[:object], attributes, x) end end
update_foreign_type(attrs, x, null: false)
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# File lib/graphiti/adapters/persistence/associations.rb, line 71 def update_foreign_type(attrs, x, null: false) grouping_field = x[:sideload].parent.grouper.field_name attrs[grouping_field] = null ? nil : x[:sideload].group_name end