canvas-lms/lib/submittable.rb

122 lines
4.2 KiB
Ruby

module Submittable
def self.included(klass)
klass.belongs_to :assignment
klass.belongs_to :old_assignment, class_name: 'Assignment'
klass.has_many :assignment_student_visibilities, :through => :assignment
klass.scope :visible_to_students_in_course_with_da, lambda { |user_ids, course_ids|
klass.without_assignment_in_course(course_ids)
.union(klass.joins_assignment_student_visibilities(user_ids, course_ids))
}
klass.scope :without_assignment_in_course, lambda { |course_ids|
klass.where(context_id: course_ids, context_type: "Course").where(assignment_id: nil)
}
klass.scope :joins_assignment_student_visibilities, lambda { |user_ids, course_ids|
klass.joins(:assignment_student_visibilities)
.where(assignment_student_visibilities: { user_id: user_ids, course_id: course_ids })
}
klass.extend ClassMethods
end
module ClassMethods
def visible_ids_by_user(opts)
# pluck id, assignment_id, and user_id from items joined with the SQL view
plucked_visibilities = pluck_visibilities(opts).group_by{|_, _, user_id| user_id}
# items without an assignment are visible to all, so add them into every students hash at the end
ids_visible_to_all = self.without_assignment_in_course(opts[:course_id]).pluck(:id)
# build map of user_ids to array of item ids {1 => [2,3,4], 2 => [2,4]}
opts[:user_id].reduce({}) do |vis_hash, student_id|
vis_hash[student_id] = begin
ids_from_pluck = (plucked_visibilities[student_id] || []).map{|id, _ ,_| id}
ids_from_pluck.concat(ids_visible_to_all)
end
vis_hash
end
end
def pluck_visibilities(opts)
name = self.name.underscore.pluralize
self.joins_assignment_student_visibilities(opts[:user_id],opts[:course_id]).
pluck("#{name}.id", "#{name}.assignment_id", "assignment_student_visibilities.user_id")
end
end
def sync_assignment
if (a = self.assignment)
a.title = self.title
name = self.class.name.underscore
a.submission_types = name
a.saved_by = name.to_sym
a.workflow_state = self.published? ? "published" : "unpublished"
end
end
def for_assignment?
name = self.class.name.underscore
self.assignment && self.assignment.submission_types =~ /#{name}/
end
def restore(from=nil)
self.workflow_state = 'unpublished'
self.save
if from != :assignment && self.for_assignment? && self.assignment.deleted?
name = self.class.name.underscore
self.assignment.restore(name.to_sym)
end
end
def unlink!(type)
@saved_by = type
self.assignment = nil
self.destroy
end
def restore_old_assignment
return nil unless self.old_assignment && self.old_assignment.deleted?
self.old_assignment.workflow_state = 'published'
name = self.class.name.underscore
self.old_assignment.saved_by = name.to_sym
self.old_assignment.save(:validate => false)
self.old_assignment
end
def update_assignment
if self.deleted?
self.assignment.destroy if self.for_assignment? && !self.assignment.deleted?
else
if !self.assignment_id && @old_assignment_id
self.context_module_tags.each(&:confirm_valid_module_requirements)
end
if @old_assignment_id
Assignment.where(
id: @old_assignment_id,
context: self.context,
submission_types: 'wiki_page'
).update_all(workflow_state: 'deleted', updated_at: Time.now.utc)
elsif self.assignment && @saved_by != :assignment
self.clear_changes_information # needed to prevent an infinite loop in rails 4.2
self.sync_assignment
self.assignment.save
end
end
end
protected :update_assignment
def default_submission_values
if self.assignment_id != self.assignment_id_was
@old_assignment_id = self.assignment_id_was
end
if self.assignment_id
self.assignment_id = nil unless self.assignment &&
self.assignment.context == self.context ||
self.try(:root_topic).try(:assignment_id) == self.assignment_id
self.old_assignment_id = self.assignment_id if self.assignment_id
end
end
protected :default_submission_values
end