Add Quizzes2 content type behind FF

closes: QUIZ-1234

test plan:
1. tests pass
2. feature is hidden behind flag and is development only
3. qa-cr

Change-Id: I602f7c41ec88f13248910bae3523420c670f134e
Reviewed-on: https://gerrit.instructure.com/102053
Tested-by: Jenkins
Reviewed-by: John Corrigan <jcorrigan@instructure.com>
QA-Review: Michael Hargiss <mhargiss@instructure.com>
Product-Review: Chris Wang <cwang@instructure.com>

app/models/content_export.rb

@@ -33,13 +33,14 @@ class ContentExport < ActiveRecord::Base
 
   has_one :job_progress, :class_name => 'Progress', :as => :context, :inverse_of => :context
 
-  #export types
-  COMMON_CARTRIDGE = 'common_cartridge'
-  COURSE_COPY = 'course_copy'
-  MASTER_COURSE_COPY = 'master_course_copy'
-  QTI = 'qti'
-  USER_DATA = 'user_data'
-  ZIP = 'zip'
+  # export types
+  COMMON_CARTRIDGE = 'common_cartridge'.freeze
+  COURSE_COPY = 'course_copy'.freeze
+  MASTER_COURSE_COPY = 'master_course_copy'.freeze
+  QTI = 'qti'.freeze
+  USER_DATA = 'user_data'.freeze
+  ZIP = 'zip'.freeze
+  QUIZZES2 = 'quizzes2'.freeze
 
   workflow do
     state :created
@@ -96,18 +97,39 @@ class ContentExport < ActiveRecord::Base
       export_zip(opts)
     when USER_DATA
       export_user_data(opts)
+    when QUIZZES2
+      return unless root_account.feature_enabled?(:quizzes2_exporter)
+      export_quizzes2
     else
       export_course(opts)
     end
   end
   handle_asynchronously :export, :priority => Delayed::LOW_PRIORITY, :max_attempts => 1
 
-  def export_course(opts={})
+  def reset_and_start_job_progress
+    self.job_progress.try :reset!
+    self.job_progress.try :start!
+  end
+
+  def mark_exporting
     self.workflow_state = 'exporting'
     self.save
+  end
+
+  def mark_exported
+    self.job_progress.try :complete!
+    self.workflow_state = 'exported'
+  end
+
+  def mark_failed
+    self.workflow_state = 'failed'
+    self.job_progress.try :fail!
+  end
+
+  def export_course(opts={})
+    mark_exporting
     begin
-      self.job_progress.try :reset!
-      self.job_progress.try :start!
+      reset_and_start_job_progress
 
       @cc_exporter = CC::CCExporter.new(self, opts.merge({:for_course_copy => for_course_copy?}))
       if @cc_exporter.export
@@ -119,13 +141,11 @@ class ContentExport < ActiveRecord::Base
           self.workflow_state = 'exported'
         end
       else
-        self.workflow_state = 'failed'
-        self.job_progress.try :fail!
+        mark_failed
       end
     rescue
       add_error("Error running course export.", $!)
-      self.workflow_state = 'failed'
-      self.job_progress.try :fail!
+      mark_failed
     ensure
       self.save
       epub_export.try(:mark_exported) || true
@@ -133,41 +153,53 @@ class ContentExport < ActiveRecord::Base
   end
 
   def export_user_data(opts)
-    self.workflow_state = 'exporting'
-    self.save
+    mark_exporting
     begin
       self.job_progress.try :start!
 
-      if exported_attachment = Exporters::UserDataExporter.create_user_data_export(self.context)
+      if (exported_attachment = Exporters::UserDataExporter.create_user_data_export(self.context))
         self.attachment = exported_attachment
         self.progress = 100
-        self.job_progress.try :complete!
-        self.workflow_state = 'exported'
+        mark_exported
       end
     rescue
       add_error("Error running user_data export.", $!)
-      self.workflow_state = 'failed'
-      self.job_progress.try :fail!
+      mark_failed
     ensure
       self.save
     end
   end
 
   def export_zip(opts={})
-    self.workflow_state = 'exporting'
-    self.save
+    mark_exporting
     begin
       self.job_progress.try :start!
-      if attachment = Exporters::ZipExporter.create_zip_export(self, opts)
+      if (attachment = Exporters::ZipExporter.create_zip_export(self, opts))
         self.attachment = attachment
         self.progress = 100
-        self.job_progress.try :complete!
-        self.workflow_state = 'exported'
+        mark_exported
       end
     rescue
       add_error("Error running zip export.", $!)
-      self.workflow_state = 'failed'
-      self.job_progress.try :fail!
+      mark_failed
+    ensure
+      self.save
+    end
+  end
+
+  def export_quizzes2
+    mark_exporting
+    begin
+      reset_and_start_job_progress
+
+      @quizzes2 = Exporters::Quizzes2Exporter.new(self)
+      if @quizzes2.export
+        self.progress = 100
+        mark_exported
+      end
+    rescue
+      add_error("Error running export to Quizzes 2.", $!)
+      mark_failed
     ensure
       self.save
     end
@@ -211,6 +243,10 @@ class ContentExport < ActiveRecord::Base
     self.export_type == QTI
   end
 
+  def quizzes2_export?
+    self.export_type == QUIZZES2
+  end
+
   def zip_export?
     self.export_type == ZIP
   end
@@ -314,10 +350,10 @@ class ContentExport < ActiveRecord::Base
       master_migration.master_template.ensure_tag_on_export(obj)
     end
     return unless selective_export?
-    return if qti_export? || epub_export.present?
+    return if qti_export? || epub_export.present? || quizzes2_export?
 
     # for integrating selective exports with external content
-    if type = Canvas::Migration::ExternalContent::Translator::CLASSES_TO_TYPES[obj.class]
+    if (type = Canvas::Migration::ExternalContent::Translator::CLASSES_TO_TYPES[obj.class])
       exported_assets << "#{type}_#{obj.id}"
     end
   end
@@ -370,6 +406,7 @@ class ContentExport < ActiveRecord::Base
   scope :not_for_copy, -> { where("content_exports.export_type NOT IN (?)", [COURSE_COPY, MASTER_COURSE_COPY]) }
   scope :common_cartridge, -> { where(export_type: COMMON_CARTRIDGE) }
   scope :qti, -> { where(export_type: QTI) }
+  scope :quizzes2, -> { where(export_type: QUIZZES2) }
   scope :course_copy, -> { where(export_type: COURSE_COPY) }
   scope :running, -> { where(workflow_state: ['created', 'exporting']) }
   scope :admin, ->(user) {

app/models/exporters/quizzes2_exporter.rb

@@ -0,0 +1,52 @@
+require 'English'
+
+module Exporters
+  class Quizzes2Exporter
+
+    attr_accessor :course, :user
+
+    def initialize(content_export)
+      @content_export = content_export
+      @course = @content_export.context
+      @context_id = @course.id
+      @logger = Rails.logger
+      # TO-DO: initialize @quiz; we need pass in the ID of the
+      # quiz from the view, which is not hooked up yet
+    end
+
+    def build_assignment_payload
+      assignment_title = "Cloned Quiz" # TO-DO: Replace with quiz.title
+      {
+        assignment: {
+          title: assignment_title
+        }
+      }
+      # TO-DO: Payload should look like the example below
+      # {
+      #   assignment: {
+      #     title: "Some Name"
+      #     resouce_link_id: "SHA from Assignment Creation"
+      #     qti_export: {
+      #       content_url: "Endpoint for the export"
+      #     }
+      #   }
+      # }
+    end
+
+    def trigger_import
+      build_assignment_payload
+      # TO-DO: Queue the Live Event here
+    end
+
+    def export
+      begin
+        trigger_import
+      rescue
+        add_error(I18n.t("Error running Quizzes 2 export."), $ERROR_INFO)
+        @logger.error $ERROR_INFO
+        return false
+      end
+      true
+    end
+  end
+end

lib/feature.rb

@@ -531,7 +531,16 @@ END
       state: "hidden",
       beta: true,
       development: true
-    }
+    },
+    'quizzes2_exporter' =>
+    {
+      display_name: -> { I18n.t('Export to Quizzes 2 format') },
+      description: -> { I18n.t('Export an existing quiz to new Quizzes 2 format') },
+      applies_to: "RootAccount",
+      state: "hidden",
+      beta: false,
+      development: true,
+    },
   )
 
   def self.definitions

spec/models/content_export_spec.rb

@@ -61,6 +61,26 @@ describe ContentExport do
     end
   end
 
+  context "Quizzes2 Export" do
+    before :once do
+      course = Account.default.courses.create!
+      course.quizzes.create!(:title => 'quiz1')
+      @ce = course.content_exports.create!(:export_type => ContentExport::QUIZZES2)
+    end
+
+    it "changes the workflow_state when :quizzes2_exporter is enabled" do
+      Account.default.enable_feature!(:quizzes2_exporter)
+      expect { @ce.export_without_send_later }.to change { @ce.workflow_state }
+      expect(@ce.workflow_state).to eq "exported"
+    end
+
+    it "fails the content export when:quizzes2_exporter is disabled" do
+      Account.default.disable_feature!(:quizzes2_exporter)
+      @ce.export_without_send_later
+      expect(@ce.workflow_state).to eq "created"
+    end
+  end
+
   context "add_item_to_export" do
     before :once do
       course = Account.default.courses.create!