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Size: 1.37 KB
Versions: 10
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Stored size: 1.37 KB
Contents
module Gaku
class Course < ActiveRecord::Base
include Notes
has_many :enrollments,
class_name: 'Gaku::CourseEnrollment',
dependent: :destroy
has_many :students, through: :enrollments
has_many :course_group_enrollments
has_many :course_groups, through: :course_group_enrollments
has_many :class_groups, through: :class_group_course_enrollments
has_many :class_group_course_enrollments, dependent: :destroy
has_many :semester_courses, dependent: :destroy
has_many :semesters, through: :semester_courses
has_many :exam_schedules
belongs_to :syllabus
belongs_to :class_group
delegate :name, :code, to: :syllabus, prefix: true, allow_nil: true
accepts_nested_attributes_for :enrollments
validates :code, presence: true
scope :without_semester, -> { includes(:semester_courses).where(gaku_semester_courses: { course_id: nil }) }
def to_s
if syllabus_name
"#{syllabus_name}-#{code}"
else
code
end
end
def to_selectbox
[to_s, id]
end
def enroll_class_group(class_group)
unless class_group.blank?
ActiveRecord::Base.transaction do
class_group.student_ids.each do |student_id|
CourseEnrollment.find_or_create_by(student_id: student_id, course_id: id)
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 2 rubygems