diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/collection_association.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/collection_association.rb | 166 |
1 files changed, 83 insertions, 83 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 0437a79b84..de8afc9ccb 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveRecord module Associations # = Active Record Association Collection @@ -30,13 +32,8 @@ module ActiveRecord reload end - if null_scope? - # Cache the proxy separately before the owner has an id - # or else a post-save proxy will still lack the id - @null_proxy ||= CollectionProxy.create(klass, self) - else - @proxy ||= CollectionProxy.create(klass, self) - end + @proxy ||= CollectionProxy.create(klass, self) + @proxy.reset_scope end # Implements the writer method, e.g. foo.items= for Foo.has_many :items @@ -49,23 +46,25 @@ module ActiveRecord if loaded? target.pluck(reflection.association_primary_key) else - @association_ids ||= ( - column = "#{reflection.quoted_table_name}.#{reflection.association_primary_key}" - scope.pluck(column) - ) + @association_ids ||= scope.pluck(reflection.association_primary_key) end end # Implements the ids writer method, e.g. foo.item_ids= for Foo.has_many :items def ids_writer(ids) - pk_type = reflection.association_primary_key_type + primary_key = reflection.association_primary_key + pk_type = klass.type_for_attribute(primary_key.to_s) ids = Array(ids).reject(&:blank?) ids.map! { |i| pk_type.cast(i) } - records = klass.where(reflection.association_primary_key => ids).index_by do |r| - r.send(reflection.association_primary_key) + + records = klass.where(primary_key => ids).index_by do |r| + r.public_send(primary_key) end.values_at(*ids).compact + if records.size != ids.size - klass.all.raise_record_not_found_exception!(ids, records.size, ids.size, reflection.association_primary_key) + found_ids = records.map { |record| record.public_send(primary_key) } + not_found_ids = ids - found_ids + klass.all.raise_record_not_found_exception!(ids, records.size, ids.size, primary_key, not_found_ids) else replace(records) end @@ -74,26 +73,29 @@ module ActiveRecord def reset super @target = [] + @association_ids = nil end def find(*args) - if block_given? - load_target.find(*args) { |*block_args| yield(*block_args) } - else - if options[:inverse_of] && loaded? - args_flatten = args.flatten - raise RecordNotFound, "Couldn't find #{scope.klass.name} without an ID" if args_flatten.blank? - result = find_by_scan(*args) - - result_size = Array(result).size - if !result || result_size != args_flatten.size - scope.raise_record_not_found_exception!(args_flatten, result_size, args_flatten.size) - else - result - end + if options[:inverse_of] && loaded? + args_flatten = args.flatten + model = scope.klass + + if args_flatten.blank? + error_message = "Couldn't find #{model.name} without an ID" + raise RecordNotFound.new(error_message, model.name, model.primary_key, args) + end + + result = find_by_scan(*args) + + result_size = Array(result).size + if !result || result_size != args_flatten.size + scope.raise_record_not_found_exception!(args_flatten, result_size, args_flatten.size) else - scope.find(*args) + result end + else + scope.find(*args) end end @@ -185,8 +187,6 @@ module ActiveRecord # are actually removed from the database, that depends precisely on # +delete_records+. They are in any case removed from the collection. def delete(*records) - return if records.empty? - records = find(records) if records.any? { |record| record.kind_of?(Integer) || record.kind_of?(String) } delete_or_destroy(records, options[:dependent]) end @@ -196,8 +196,6 @@ module ActiveRecord # Note that this method removes records from the database ignoring the # +:dependent+ option. def destroy(*records) - return if records.empty? - records = find(records) if records.any? { |record| record.kind_of?(Integer) || record.kind_of?(String) } delete_or_destroy(records, :destroy) end @@ -286,38 +284,9 @@ module ActiveRecord replace_on_target(record, index, skip_callbacks, &block) end - def replace_on_target(record, index, skip_callbacks) - callback(:before_add, record) unless skip_callbacks - - begin - if index - record_was = target[index] - target[index] = record - else - target << record - end - - set_inverse_instance(record) - - yield(record) if block_given? - rescue - if index - target[index] = record_was - else - target.delete(record) - end - - raise - end - - callback(:after_add, record) unless skip_callbacks - - record - end - - def scope(opts = {}) - scope = super() - scope.none! if opts.fetch(:nullify, true) && null_scope? + def scope + scope = super + scope.none! if null_scope? scope end @@ -334,18 +303,17 @@ module ActiveRecord private def find_target - return scope.to_a if skip_statement_cache? + scope = self.scope + return scope.to_a if skip_statement_cache?(scope) conn = klass.connection - sc = reflection.association_scope_cache(conn, owner) do - StatementCache.create(conn) { |params| - as = AssociationScope.create { params.bind } - target_scope.merge as.scope(self, conn) - } + sc = reflection.association_scope_cache(conn, owner) do |params| + as = AssociationScope.create { params.bind } + target_scope.merge!(as.scope(self)) end binds = AssociationScope.get_bind_values(owner, reflection.chain) - sc.execute(binds, klass, conn) do |record| + sc.execute(binds, conn) do |record| set_inverse_instance(record) end end @@ -391,22 +359,27 @@ module ActiveRecord transaction do add_to_target(build_record(attributes)) do |record| yield(record) if block_given? - insert_record(record, true, raise) + insert_record(record, true, raise) { + @_was_loaded = loaded? + @association_ids = nil + } end end end end # Do the relevant stuff to insert the given record into the association collection. - def insert_record(record, validate = true, raise = false) - raise NotImplementedError - end - - def create_scope - scope.scope_for_create.stringify_keys + def insert_record(record, validate = true, raise = false, &block) + if raise + record.save!(validate: validate, &block) + else + record.save(validate: validate, &block) + end end def delete_or_destroy(records, method) + return if records.empty? + records = find(records) if records.any? { |record| record.kind_of?(Integer) || record.kind_of?(String) } records = records.flatten records.each { |record| raise_on_type_mismatch!(record) } existing_records = records.reject(&:new_record?) @@ -454,19 +427,46 @@ module ActiveRecord end end - def concat_records(records, should_raise = false) + def concat_records(records, raise = false) result = true records.each do |record| raise_on_type_mismatch!(record) - add_to_target(record) do |rec| - result &&= insert_record(rec, true, should_raise) unless owner.new_record? + add_to_target(record) do + unless owner.new_record? + result &&= insert_record(record, true, raise) { + @_was_loaded = loaded? + @association_ids = nil + } + end end end result && records end + def replace_on_target(record, index, skip_callbacks) + callback(:before_add, record) unless skip_callbacks + + set_inverse_instance(record) + + @_was_loaded = true + + yield(record) if block_given? + + if index + target[index] = record + elsif @_was_loaded || !loaded? + target << record + end + + callback(:after_add, record) unless skip_callbacks + + record + ensure + @_was_loaded = nil + end + def callback(method, record) callbacks_for(method).each do |callback| callback.call(method, owner, record) |