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remove active_polymorph 

fixes CNVS-25580

Change-Id: Id1a001e8b85f87d1c0e9678500ed13d435872b55
Reviewed-on: https://gerrit.instructure.com/68292
Tested-by: Jenkins
Reviewed-by: Rob Orton <rob@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>
This commit is contained in:
Cody Cutrer 2015-12-04 15:59:07 -07:00
parent 0ea92efcae
commit 440290c08f
14 changed files with 106 additions and 438 deletions
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1
Gemfile.d/app.rb
View File

@ -101,7 +101,6 @@ gem 'sentry-raven', '0.13.2', require: false
gem 'canvas_statsd', '1.0.3'
gem 'diplomat', '0.14.0', require: false
gem 'active_polymorph', path: 'gems/active_polymorph'
gem 'activesupport-suspend_callbacks', path: 'gems/activesupport-suspend_callbacks'
gem 'acts_as_list', path: 'gems/acts_as_list'
gem 'adheres_to_policy', path: 'gems/adheres_to_policy'

4
app/models/quizzes/quiz.rb
View File

@ -54,10 +54,6 @@ class Quizzes::Quiz < ActiveRecord::Base
belongs_to :assignment
belongs_to :assignment_group
def self.polymorphic_names
[self.base_class.name, "Quiz"]
end
EXPORTABLE_ATTRIBUTES = [
:id, :title, :description, :quiz_data, :points_possible, :context_id,
:context_type, :assignment_id, :workflow_state, :shuffle_answers,

4
app/models/quizzes/quiz_submission.rb
View File

@ -21,10 +21,6 @@ require 'sanitize'
class Quizzes::QuizSubmission < ActiveRecord::Base
self.table_name = 'quiz_submissions'
def self.polymorphic_names
[self.name, "QuizSubmission"]
end
include Workflow
attr_accessible :quiz, :user, :temporary_user_code, :submission_data, :score_before_regrade, :has_seen_results

86
config/initializers/active_record.rb
View File

@ -640,6 +640,92 @@ if CANVAS_RAILS3
super
end
end
# copy/paste from Rails 3, with addition of applying the scope_chain (copy/paste from Rails 4)
def add_constraints(scope)
tables = construct_tables
chain.each_with_index do |reflection, i|
table, foreign_table = tables.shift, tables.first
if reflection.source_macro == :has_and_belongs_to_many
join_table = tables.shift
scope = scope.joins(join(
join_table,
table[reflection.association_primary_key].
eq(join_table[reflection.association_foreign_key])
))
table, foreign_table = join_table, tables.first
end
if reflection.source_macro == :belongs_to
if reflection.options[:polymorphic]
key = reflection.association_primary_key(klass)
else
key = reflection.association_primary_key
end
foreign_key = reflection.foreign_key
else
key = reflection.foreign_key
foreign_key = reflection.active_record_primary_key
end
conditions = self.conditions[i]
if reflection == chain.last
scope = scope.where(table[key].eq(owner[foreign_key]))
if reflection.type
scope = scope.where(table[reflection.type].eq(owner.class.base_class.name))
end
conditions.each do |condition|
if options[:through] && condition.is_a?(Hash)
condition = disambiguate_condition(table, condition)
end
scope = scope.where(interpolate(condition))
end
else
constraint = table[key].eq(foreign_table[foreign_key])
if reflection.type
type = chain[i + 1].klass.base_class.name
constraint = constraint.and(table[reflection.type].eq(type))
end
scope = scope.joins(join(foreign_table, constraint))
unless conditions.empty?
scope = scope.where(sanitize(conditions, table))
end
end
# rails 4 part
is_first_chain = i == 0
klass = is_first_chain ? self.klass : reflection.klass
self.reflection.scope_chain[i].each do |scope_chain_item|
item = klass.unscoped.instance_exec(&scope_chain_item)
if scope_chain_item == self.reflection.scope
scope = scope.merge(item.except(:where, :includes))
end
if is_first_chain
scope = scope.includes(*item.includes_values)
end
scope.where_values += item.where_values
scope.order_values |= item.order_values
end
end
scope
end
end
ActiveRecord::Associations::AssociationScope.prepend(RelationForAssociationScope)

20
db/migrate/20151204224305_fix_deprecated_polymorphic_names.rb Normal file
View File

@ -0,0 +1,20 @@
class FixDeprecatedPolymorphicNames < ActiveRecord::Migration
tag :predeploy
disable_ddl_transaction!
def up
reflections = [Quizzes::Quiz, Quizzes::QuizSubmission].map do |klass|
klass.reflections.values.select { |r| r.macro == :has_many && r.options[:as] }
end
reflections.flatten!
reflections.group_by(&:klass).each do |(klass, klass_reflections)|
klass.find_ids_in_ranges(batch_size: 10000) do |min_id, max_id|
klass_reflections.each do |reflection|
klass.where(id: min_id..max_id,
reflection.type => reflection.active_record.name.sub("Quizzes::", "")).
update_all(reflection.type => reflection.active_record.name)
end
end
end
end
end

10
gems/active_polymorph/Gemfile
View File

@ -1,10 +0,0 @@
source 'https://rubygems.org'
gemspec
require File.expand_path("../../../config/canvas_rails4", __FILE__)
if CANVAS_RAILS3
gem 'activerecord', '~> 3.2.0'
else
gem 'activerecord', '~> 4.0.0'
end

2
gems/active_polymorph/Rakefile
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@ -1,2 +0,0 @@
require "bundler/gem_tasks"

26
gems/active_polymorph/active_polymorph.gemspec
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@ -1,26 +0,0 @@
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
Gem::Specification.new do |spec|
spec.name = "active_polymorph"
spec.version = "0.0.1"
spec.authors = ["Anthus Williams"]
spec.email = ["aj@instructure.com"]
spec.summary = %q{Support for polymorphic names in ActiveRecord has_many associations}
spec.homepage = "https://github.com/instructure/canvas-lms"
spec.license = "AGPL"
spec.files = Dir.glob("{lib,spec}/**/*") + %w(Rakefile test.sh)
spec.executables = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
spec.test_files = spec.files.grep(%r{^(test|spec|features)/})
spec.require_paths = ["lib"]
spec.add_dependency "activerecord", ">= 3.2", "< 4.1"
spec.add_development_dependency "bundler", "~> 1.5"
spec.add_development_dependency "rake"
spec.add_development_dependency "rspec", "2.99.0"
spec.add_development_dependency "sqlite3"
end

145
gems/active_polymorph/lib/active_polymorph.rb
View File

@ -1,145 +0,0 @@
require 'active_record'
class ActiveRecord::Base
def self.polymorphic_names
[self.base_class.name]
end
end
module ActiveRecord
class Relation
# this method prevents ActiveRecord from attempting to constantize the polymorphic_names array as part of the build_associations process
def scope_for_create_with_polymorphic_names
scope = scope_for_create_without_polymorphic_names
if default_scoped?
reflect_on_polymorphic_associations.each do |assoc|
# since all class names in are returned in select queries (via self.polymorphic_names) it is ok to just take the first element of the array (rather than trying to constantize the array itself)
# still, in future it would be better to devise some way of declaring a canonical form for the create scope
# (e.g. select queries should retrieve all instances of PreRefactoredClassName and PostRefactoredClassName, but insert queries should always prefer the latter)
scope[assoc.foreign_type] = scope[assoc.foreign_type].first if scope[assoc.foreign_type].is_a?(Array)
end
end
scope
end
alias_method_chain :scope_for_create, :polymorphic_names
def reflect_on_polymorphic_associations
reflect_on_all_associations.select{ |assoc| assoc.options[:polymorphic] }
end
end
class Associations::AssociationScope
def add_constraints(scope)
tables = construct_tables
chain.each_with_index do |reflection, i|
table, foreign_table = tables.shift, tables.first
if reflection.source_macro == :has_and_belongs_to_many
join_table = tables.shift
scope = scope.joins(join(
join_table,
table[reflection.association_primary_key].
eq(join_table[reflection.association_foreign_key])
))
table, foreign_table = join_table, tables.first
end
if reflection.source_macro == :belongs_to
if reflection.options[:polymorphic]
key = reflection.association_primary_key(klass)
else
key = reflection.association_primary_key
end
foreign_key = reflection.foreign_key
else
key = reflection.foreign_key
foreign_key = reflection.active_record_primary_key
end
conditions = CANVAS_RAILS3 ? self.conditions[i] : []
if reflection == chain.last
bind_val = CANVAS_RAILS3 ? owner[foreign_key] :
bind(scope, table.table_name, key.to_s, owner[foreign_key])
scope = scope.where(table[key].eq(bind_val))
if reflection.type
types = owner.class.polymorphic_names
types = types.first if types.length == 1
scope = scope.where(table.name => {table[reflection.type].name => types})
end
conditions.each do |condition|
if options[:through] && condition.is_a?(Hash)
condition = disambiguate_condition(table, condition)
end
scope = scope.where(interpolate(condition))
end
else
constraint = table[key].eq(foreign_table[foreign_key])
if reflection.type
types = chain[i + 1].klass.polymorphic_names
types = types.first if types.length == 1
constraint = constraint.and(table.name => {table[reflection.type].name => types})
end
scope = scope.joins(join(foreign_table, constraint))
unless conditions.empty?
scope = scope.where(sanitize(conditions, table))
end
end
if !CANVAS_RAILS3
is_first_chain = i == 0
klass = is_first_chain ? self.klass : reflection.klass
# Exclude the scope of the association itself, because that
# was already merged in the #scope method.
self.reflection.scope_chain[i].each do |scope_chain_item|
item = eval_scope(klass, scope_chain_item)
if scope_chain_item == self.reflection.scope
scope.merge! item.except(:where, :includes)
end
if is_first_chain
scope.includes! item.includes_values
end
scope.where_values += item.where_values
scope.order_values |= item.order_values
end
elsif self.reflection.respond_to?(:scope_chain)
# rails 3 supporting rails 4 style scope on associations
is_first_chain = i == 0
klass = is_first_chain ? self.klass : reflection.klass
self.reflection.scope_chain[i].each do |scope_chain_item|
item = klass.unscoped.instance_exec(&scope_chain_item)
if scope_chain_item == self.reflection.scope
scope = scope.merge(item.except(:where, :includes))
end
if is_first_chain
scope = scope.includes(*item.includes_values)
end
scope.where_values += item.where_values
scope.order_values |= item.order_values
end
end
end
scope
end
end
end

152
gems/active_polymorph/spec/active_polymorph_spec.rb
View File

@ -1,152 +0,0 @@
#
# Copyright (C) 2014 Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
require "active_polymorph"
describe ActiveRecord do
describe ActiveRecord::Base do
it "should respond to polymorphic_names" do
ActiveRecord::Base.respond_to?(:polymorphic_names).should be_true
end
it "should by default return its own class" do
class SomeClass < ActiveRecord::Base; end
SomeClass.polymorphic_names.should == ["SomeClass"]
end
it "should return defined polymorphic names" do
class SomeClass < ActiveRecord::Base
def self.polymorphic_names
[self.base_class.name, "SomeOtherClass"]
end
end
SomeClass.polymorphic_names.sort.should == ["SomeClass", "SomeOtherClass"]
end
end
describe ActiveRecord::Associations do
before(:all) do
ActiveRecord::Base.establish_connection(
:adapter => 'sqlite3',
:database => ':memory:'
)
ActiveRecord::Schema.define do
create_table :things, :force => true do |t|
t.integer :context_id
t.string :context_type
end
create_table :normal_contexts, :force => true do |t|
t.string :something_meaningful
end
end
class Thing < ActiveRecord::Base
belongs_to :context, :polymorphic => true
end
class NormalContext < ActiveRecord::Base
has_many :things, :as => :context
def self.polymorphic_names
[self.base_class.name, "Namespaced::ParaNormalContext"]
end
end
module Namespaced
class ParaNormalContext < ::ActiveRecord::Base
self.table_name = "normal_contexts"
has_many :things, :as => :context
def self.polymorphic_names
[self.base_class.name, "NormalContext"]
end
end
end
end
describe "HasManyAssociation" do
before(:each) do
@normal_context = NormalContext.create!(something_meaningful: "This is a holy scripture for a small tribe in Paraguay")
@namespaced_context = Namespaced::ParaNormalContext.find(@normal_context.id)
@thing_a = @normal_context.things.create!
@thing_b = @namespaced_context.things.create!
end
it "should find records bearing polymorphic names" do
@normal_context.reload.things.should == [@thing_a,@thing_b]
@namespaced_context.reload.things.should == [@thing_a,@thing_b]
end
it "should not find records not bearing polymorphic names" do
ActiveRecord::Base.connection.execute("UPDATE things SET context_type = 'NotReallyAThing' WHERE id = #{@thing_a.id}")
@normal_context.reload.things.should == [@thing_b]
@namespaced_context.reload.things.should == [@thing_b]
end
it "should use polymorphic names in count queries" do
@normal_context.reload.things.count.should == 2
ActiveRecord::Base.connection.execute("UPDATE things SET context_type = 'NotReallyAThing' WHERE id = #{@thing_a.id}")
@normal_context.reload.things.count.should == 1
end
it "should prefer custom finder_sql if provided" do
NormalContext.class_eval do
has_many :things, :as => :context, :finder_sql =>
proc{ "SELECT * FROM things WHERE context_id = #{id} AND context_type = '#{self.class.base_class.name}'" }
end
@namespaced_context.reload.things.should == [@thing_a, @thing_b]
@normal_context.reload.things.should == [@thing_a]
end
it "should prefer custom counter_sql if provided" do
NormalContext.class_eval do
has_many :things, :as => :context, :counter_sql =>
proc{ "SELECT COUNT(*) FROM things WHERE context_id = #{id} AND context_type = '#{self.class.base_class.name}'" }
end
@namespaced_context.reload.things.count.should == 2
@normal_context.reload.things.count.should == 1
end
it "should count/find correctly with additional where/find scopes" do
@normal_context.things.find(@thing_a.id).should == @thing_a
@normal_context.things.where(context_type: "Namespaced::ParaNormalContext").first.should == @thing_b
scope = @normal_context.things.where(context_type: "Namespaced::ParaNormalContext")
scope.count.should == 1
scope.should == [@thing_b]
end
it "should work with pluck" do
@normal_context.things.pluck(:id).should == [@thing_a.id, @thing_b.id]
end
it "should work with build_associations" do
thing_c = @normal_context.things.build
thing_c.save!
@normal_context.reload.things.should == [@thing_a, @thing_b, thing_c]
end
end
end
end

15
gems/active_polymorph/test.sh
View File

@ -1,15 +0,0 @@
#!/bin/bash
result=0
echo "################ active_polymorph ################"
bundle check || bundle install
bundle exec rspec spec
let result=$result+$?
if [ $result -eq 0 ]; then
echo "SUCCESS"
else
echo "FAILURE"
fi
exit $result

1
spec/lib/user_merge_spec.rb
View File

@ -518,7 +518,6 @@ describe UserMerge do
qs1 = @quiz_submission
quiz_with_graded_submission([], user: user2)
qs2 = @quiz_submission
Version.where(:versionable_type => "Quizzes::QuizSubmission", :versionable_id => qs2).update_all(:versionable_type => "QuizSubmission")
expect(qs1.versions).to be_present
qs1.versions.each{ |v| expect(v.model.user_id).to eql(user2.id) }

33
spec/models/quizzes/quiz_spec.rb
View File

@ -1701,39 +1701,6 @@ describe Quizzes::Quiz do
end
end
context 'with versioning' do
let_once(:quiz) { @course.quizzes.create! title: 'Test Quiz' }
describe "#versions" do
it "finds the versions of both namespaced and non-namespaced quizzes" do
quiz.title = "Renamed Test Quiz"
quiz.save
expect(quiz.versions.count).to eq 2
Version.where(versionable_id: quiz, versionable_type: 'Quizzes::Quiz').update_all("versionable_type='Quiz'")
expect(Quizzes::Quiz.find(quiz).versions.count).to eq 2
end
end
end
describe '#context_module_tags' do
it "finds both namespaced and non-namespaced content tags" do
quiz = @course.quizzes.create! title: 'Test Quiz'
mod = @course.context_modules.create! name: 'Test Module'
tag1 = mod.add_item id: quiz.id, type: 'quiz'
tag2 = mod.add_item id: quiz.id, type: 'quiz'
tag3 = mod.add_item id: quiz.id, type: 'quiz'
ContentTag.where(id: tag2).update_all(content_type: 'Quiz')
tag3.destroy
expect(quiz.context_module_tags.pluck(:id).sort).to eql [tag1.id, tag2.id].sort
end
it "should act like an association" do
quiz = @course.quizzes.create! title: 'Test Quiz'
expect { quiz.context_module_tags.loaded? }.not_to raise_error
end
end
describe 'differentiated assignments' do
context 'visible_to_user?' do
before :once do

45
spec/models/quizzes/quiz_submission_spec.rb
View File

@ -1490,51 +1490,6 @@ describe Quizzes::QuizSubmission do
end
end
context "with versioning" do
before(:each) do
student_in_course
assignment_quiz([])
qd = multiple_choice_question_data
@quiz.quiz_data = [qd]
@quiz.points_possible = qd[:points_possible]
@quiz.save!
end
describe "#versions" do
it "finds the versions with both namespaced and non-namespaced quizzes" do
qs = @quiz.generate_submission(@student)
qs.submission_data = { "question_1" => "2405" }
Quizzes::SubmissionGrader.new(qs).grade_submission
qs = @quiz.generate_submission(@student)
qs.submission_data = { "question_1" => "8544" }
Quizzes::SubmissionGrader.new(qs).grade_submission
expect(qs.versions.count).to eq 2
Version.update_all("versionable_type='QuizSubmission'","versionable_id=#{qs.id} AND versionable_type='Quizzes::QuizSubmission'")
expect(Quizzes::QuizSubmission.find(qs).versions.count).to eq 2
end
end
end
context "with attachments" do
before(:each) do
course_with_student_logged_in :active_all => true
course_quiz !!:active
@qs = @quiz.generate_submission @user
create_attachment_for_file_upload_submission!(@qs)
end
describe "#attachments" do
it "finds the attachment with both namespaced and non-namespaced quizzes" do
expect(Quizzes::QuizSubmission.find(@qs).attachments.count).to eq 1
Attachment.update_all("context_type='QuizSubmission'","context_id=#{@qs.id} AND context_type='Quizzes::QuizSubmission'")
expect(Quizzes::QuizSubmission.find(@qs).attachments.count).to eq 1
end
end
end
describe '#points_possible_at_submission_time' do
it 'should work' do
quiz_with_graded_submission([