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Move resolve_sti_reflections which is table row related code into TableRow

This commit is contained in:
Ryuta Kamizono 2018-11-03 23:26:13 +09:00
parent 06ef4c3fa8
commit 5821b1fd79
2 changed files with 78 additions and 89 deletions

View file

@ -3,6 +3,38 @@
module ActiveRecord
class FixtureSet
class TableRow # :nodoc:
class ReflectionProxy # :nodoc:
def initialize(association)
@association = association
end
def join_table
@association.join_table
end
def name
@association.name
end
def primary_key_type
@association.klass.type_for_attribute(@association.klass.primary_key).type
end
end
class HasManyThroughProxy < ReflectionProxy # :nodoc:
def rhs_key
@association.foreign_key
end
def lhs_key
@association.through_reflection.foreign_key
end
def join_table
@association.through_reflection.table_name
end
end
def initialize(fixture, table_rows:, label:, now:)
@table_rows = table_rows
@label = label
@ -31,7 +63,7 @@ module ActiveRecord
interpolate_label
generate_primary_key
resolve_enums
@table_rows.resolve_sti_reflections(@row)
resolve_sti_reflections
end
def reflection_class
@ -74,6 +106,48 @@ module ActiveRecord
end
end
end
def resolve_sti_reflections
# If STI is used, find the correct subclass for association reflection
reflection_class._reflections.each_value do |association|
case association.macro
when :belongs_to
# Do not replace association name with association foreign key if they are named the same
fk_name = (association.options[:foreign_key] || "#{association.name}_id").to_s
if association.name.to_s != fk_name && value = @row.delete(association.name.to_s)
if association.polymorphic? && value.sub!(/\s*\(([^\)]*)\)\s*$/, "")
# support polymorphic belongs_to as "label (Type)"
@row[association.foreign_type] = $1
end
fk_type = reflection_class.type_for_attribute(fk_name).type
@row[fk_name] = ActiveRecord::FixtureSet.identify(value, fk_type)
end
when :has_many
if association.options[:through]
add_join_records(HasManyThroughProxy.new(association))
end
end
end
end
def add_join_records(association)
# This is the case when the join table has no fixtures file
if (targets = @row.delete(association.name.to_s))
table_name = association.join_table
column_type = association.primary_key_type
lhs_key = association.lhs_key
rhs_key = association.rhs_key
targets = targets.is_a?(Array) ? targets : targets.split(/\s*,\s*/)
joins = targets.map do |target|
{ lhs_key => @row[model_metadata.primary_key_name],
rhs_key => ActiveRecord::FixtureSet.identify(target, column_type) }
end
@table_rows.tables[table_name].concat(joins)
end
end
end
end
end

View file

@ -6,40 +6,7 @@ require "active_record/fixture_set/model_metadata"
module ActiveRecord
class FixtureSet
class TableRows # :nodoc:
class ReflectionProxy # :nodoc:
def initialize(association)
@association = association
end
def join_table
@association.join_table
end
def name
@association.name
end
def primary_key_type
@association.klass.type_for_attribute(@association.klass.primary_key).type
end
end
class HasManyThroughProxy < ReflectionProxy # :nodoc:
def rhs_key
@association.foreign_key
end
def lhs_key
@association.through_reflection.foreign_key
end
def join_table
@association.through_reflection.table_name
end
end
def initialize(table_name, model_class:, fixtures:, config:)
@table_name = table_name
@model_class = model_class
# track any join tables we need to insert later
@ -48,10 +15,10 @@ module ActiveRecord
# ensure this table is loaded before any HABTM associations
@tables[table_name] = nil
build_table_rows_from(fixtures, config)
build_table_rows_from(table_name, fixtures, config)
end
attr_reader :table_name, :model_class
attr_reader :tables, :model_class
def to_hash
@tables.transform_values { |rows| rows.map(&:to_hash) }
@ -61,36 +28,9 @@ module ActiveRecord
@model_metadata ||= ModelMetadata.new(model_class)
end
def resolve_sti_reflections(row)
# If STI is used, find the correct subclass for association reflection
reflection_class = reflection_class_for(row)
reflection_class._reflections.each_value do |association|
case association.macro
when :belongs_to
# Do not replace association name with association foreign key if they are named the same
fk_name = (association.options[:foreign_key] || "#{association.name}_id").to_s
if association.name.to_s != fk_name && value = row.delete(association.name.to_s)
if association.polymorphic? && value.sub!(/\s*\(([^\)]*)\)\s*$/, "")
# support polymorphic belongs_to as "label (Type)"
row[association.foreign_type] = $1
end
fk_type = reflection_class.type_for_attribute(fk_name).type
row[fk_name] = ActiveRecord::FixtureSet.identify(value, fk_type)
end
when :has_many
if association.options[:through]
add_join_records(row, HasManyThroughProxy.new(association))
end
end
end
end
private
def build_table_rows_from(fixtures, config)
def build_table_rows_from(table_name, fixtures, config)
now = config.default_timezone == :utc ? Time.now.utc : Time.now
@tables[table_name] = fixtures.map do |label, fixture|
@ -102,31 +42,6 @@ module ActiveRecord
)
end
end
def reflection_class_for(row)
if row.include?(model_metadata.inheritance_column_name)
row[model_metadata.inheritance_column_name].constantize rescue model_class
else
model_class
end
end
def add_join_records(row, association)
# This is the case when the join table has no fixtures file
if (targets = row.delete(association.name.to_s))
table_name = association.join_table
column_type = association.primary_key_type
lhs_key = association.lhs_key
rhs_key = association.rhs_key
targets = targets.is_a?(Array) ? targets : targets.split(/\s*,\s*/)
joins = targets.map do |target|
{ lhs_key => row[model_metadata.primary_key_name],
rhs_key => ActiveRecord::FixtureSet.identify(target, column_type) }
end
@tables[table_name].concat(joins)
end
end
end
end
end