app/models/course.rb
class Course < ApplicationRecord
include Mumuki::Domain::Syncable
include Mumuki::Domain::Helpers::Course
include Mumuki::Domain::Area
validates_presence_of :slug, :period, :code, :description, :organization_id
validates_uniqueness_of :slug
belongs_to :organization
has_many :invitations
alias_attribute :name, :code
resource_fields :slug, :shifts, :code, :days, :period, :description, :period_start, :period_end
def current_invitation
invitations.where('expiration_date > ?', Time.current).first
end
def import_from_resource_h!(resource_h)
update! self.class.slice_resource_h(resource_h)
end
def slug=(slug)
s = slug.to_mumukit_slug
self[:slug] = slug.to_s
self[:organization_id] = Organization.locate!(s.organization).id
end
def invite!(expiration_date)
if closed?
generate_invitation! expiration_date
else
current_invitation
end
end
def ended?
period_end.present? && period_end.past?
end
def started?
period_start.present? && period_start.past?
end
def infer_period_range!
return if period_start || period_end
period =~ /^(\d{4})?/
year = $1.to_i
return nil unless year.between? 2014, (Time.current.year + 1)
self.period_start = DateTime.new(year).beginning_of_year
self.period_end = DateTime.new(year).end_of_year
end
def canonical_code
"#{period}-#{code}".downcase
end
def closed?
current_invitation.blank? || current_invitation.expired?
end
def generate_invitation!(expiration_date)
invitations.create expiration_date: expiration_date, course: self
current_invitation
end
def self.sync_key_id_field
:slug
end
def to_organization
organization
end
def to_s
slug.to_s
end
def self.allowed_for(user, organization = Organization.current)
where(organization: organization).select { |course| user.teacher_of? course.slug }
end
end