app/models/program.rb
# frozen_string_literal: true
# cannot delete program if there are events submitted
class Program < ApplicationRecord
has_paper_trail on: [:update], ignore: [:updated_at], meta: { conference_id: :conference_id }
belongs_to :conference
has_many :cfps, dependent: :destroy
has_many :event_types, dependent: :destroy
has_many :tracks, dependent: :destroy
has_many :difficulty_levels, dependent: :destroy
has_many :schedules, dependent: :destroy
has_many :event_schedules, through: :schedules
belongs_to :selected_schedule, class_name: 'Schedule'
has_many :events, dependent: :destroy do
def require_registration
where(require_registration: true, state: :confirmed)
end
def with_registration_open
select { |e| e if e.registration_possible? }
end
# All confirmed events of the conference with attribute require_registration
# excluding the events the user has already registered to
def remaining_for_registration(registration)
require_registration - registration.events
end
def confirmed
where(state: :confirmed)
end
def scheduled(schedule_id)
joins(:event_schedules).where('event_schedules.schedule_id = ?', schedule_id)
end
def highlights
where(state: :confirmed, is_highlight: true)
end
end
has_many :event_schedules, through: :events
has_many :event_users, through: :events
has_many :program_events_speakers, -> {where(event_role: 'speaker')}, through: :events, source: :event_users
has_many :speakers, -> { distinct }, through: :program_events_speakers, source: :user do
def confirmed
joins(:events).where(events: { state: :confirmed })
end
def registered(conference)
joins(:registrations).where('registrations.conference_id = ?', conference.id)
end
def unregistered(conference)
self - registered(conference)
end
end
accepts_nested_attributes_for :event_types, allow_destroy: true
accepts_nested_attributes_for :tracks, reject_if: proc { |r| r['name'].blank? }, allow_destroy: true
accepts_nested_attributes_for :difficulty_levels, allow_destroy: true
# validates :conference_id, presence: true, uniqueness: true
validates :rating, numericality: { greater_than_or_equal_to: 0, less_than_or_equal_to: 10, only_integer: true }
validates :schedule_interval, numericality: { greater_than_or_equal_to: 5, less_than_or_equal_to: 60 }, presence: true
validate :schedule_interval_divisor_60
validate :voting_start_date_before_end_date
validate :voting_dates_exist
after_create :create_event_types
after_create :create_difficulty_levels
after_save :unschedule_unfit_events, if: :saved_change_to_schedule_interval?
after_save :normalize_event_types_length, if: :saved_change_to_schedule_interval?
validate :check_languages_format
# Returns all event_schedules for the selected schedule ordered by start_time
def selected_event_schedules(includes: [:event])
event_schedules = []
event_schedules = selected_schedule.event_schedules.includes(*includes).order(start_time: :asc) if selected_schedule
tracks.self_organized.confirmed.includes(selected_schedule: { event_schedules: includes }).order(start_date: :asc).each do |track|
next unless track.selected_schedule
event_schedules += track.selected_schedule.event_schedules
end
event_schedules.sort_by(&:start_time)
end
##
# Checks if blind_voting is enabled and if voting period is over
# ====Returns
# * +true+ -> If we can show voting details
# * +false+ -> If we cannot show voting details
def show_voting?
return true unless blind_voting
Time.current > voting_end_date
end
##
# Checks if we are still in voting period
# ====Returns
# * +true+ -> If the voting period is not over yet (or if the voting dates are not set)
# * +false+ -> If the voting period is over
def voting_period?
return true unless voting_start_date && voting_end_date
(voting_start_date.to_datetime..voting_end_date.to_datetime).cover? Time.current
end
##
# Checks if both voting_start_date and voting_end_date are set
# ====Returns
# Errors when the condition is not true
def voting_dates_exist
errors.add(:voting_start_date, 'must be set, when blind voting is enabled') if blind_voting && !voting_start_date && !voting_end_date
errors.add(:voting_end_date, 'must be set, when blind voting is enabled') if blind_voting && !voting_start_date && !voting_end_date
errors.add(:voting_end_date, 'must be set, when voting_start_date is set') if voting_start_date && !voting_end_date
errors.add(:voting_start_date, 'must be set, when voting_end_date is set') if voting_end_date && !voting_start_date
end
##
# Checks if voting_start_date is before voting_end_date
# ====Returns
# Errors when the condition is not true
def voting_start_date_before_end_date
errors.add(:voting_start_date, 'must be before voting end date') if voting_start_date && voting_end_date && voting_start_date > voting_end_date
end
##
# Checcks if the program has rating enabled
#
# ====Returns
# * +false+ -> If rating is not enabled
# * +true+ -> If rating is enabled
def rating_enabled?
rating && rating > 0
end
##
# Checks if the call for papers for the conference is currently open
#
# ====Returns
# * +false+ -> If the CFP is not set or today isn't in the CFP period.
# * +true+ -> If today is in the CFP period.
def cfp_open?
cfp = self.cfp
cfp.present? && (cfp.start_date..cfp.end_date).cover?(Date.current)
end
def notify_on_schedule_public?
return false unless conference.email_settings.send_on_program_schedule_public
# do not notify if the schedule is not public
return false unless schedule_public
# do not notify unless the mail content is set up
(!conference.email_settings.program_schedule_public_subject.blank? && !conference.email_settings.program_schedule_public_body.blank?)
end
def languages_list
languages.split(',').map {|l| ISO_639.find(l).english_name} if languages.present?
end
##
# Checks if there is any event in the program that starts in the given date
#
# ====Returns
# * +True+ -> If there is any event for the given date
# * +False+ -> If there is not any event for the given date
def any_event_for_this_date?(date)
return false unless selected_schedule.present?
parsed_date = DateTime.parse("#{date} 00:00").utc
range = parsed_date..(parsed_date + 1.day)
selected_schedule.event_schedules.any? { |es| range.cover?(es.start_time) }
end
##
# Provides backwards compatibility for when the program had one cfp
#
# ====Returns
# * +ActiveRecord+ -> The program's cfp with cfp_type == 'events'
def cfp
return nil if cfps.for_events.blank?
cfps.for_events
end
##
# ====Returns
# * +Array+ -> The types of cfps for which a cfp doesn't exist yet
def remaining_cfp_types
Cfp::TYPES - cfps.pluck(:cfp_type)
end
private
##
# Creates default EventTypes for this Conference. Used as before_create.
#
def create_event_types
EventType.create(title: 'Talk', length: 30, color: '#FF0000', description: 'Presentation in lecture format',
minimum_abstract_length: 0,
maximum_abstract_length: 500, program_id: id)
EventType.create(title: 'Workshop', length: 60, color: '#0000FF', description: 'Interactive hands-on practice',
minimum_abstract_length: 0,
maximum_abstract_length: 500, program_id: id)
end
##
# Creates default DifficultyLevels for this Conference. Used as before_create.
#
def create_difficulty_levels
DifficultyLevel.create(title: 'Easy',
description: 'Events are understandable for everyone without knowledge of the topic.',
color: '#32CB2A', program_id: id)
DifficultyLevel.create(title: 'Medium',
description: 'Events require a basic understanding of the topic.',
color: '#E6B65B', program_id: id)
DifficultyLevel.create(title: 'Hard',
description: 'Events require expert knowledge of the topic.',
color: '#EF6E69', program_id: id)
end
##
# Check if languages string has the right format. Used as validation.
#
def check_languages_format
return unless languages.present?
# All white spaces are removed to allow languages to be separated by ',' and ', '. The languages string without spaces is saved
self.languages = languages.delete(' ').downcase
errors.add(:languages, 'must be two letters separated by commas') && return unless
languages.match(/^$|(\A[a-z][a-z](,[a-z][a-z])*\z)/).present?
languages_array = languages.split(',')
# We check that languages are not repeated
errors.add(:languages, "can't be repeated") && return unless languages_array.uniq!.nil?
# We check if every language is a valid ISO 639-1 language
errors.add(:languages, 'must be ISO 639-1 valid codes') unless languages_array.select{ |x| ISO_639.find(x).nil? }.empty?
end
##
# Check if schedule_interval is a divisor of 60 minutes
#
def schedule_interval_divisor_60
errors.add(:schedule_interval, 'must be a divisor of 60') if schedule_interval > 0 && 60 % schedule_interval > 0
end
##
# Unschedule all the events which don't fit
#
def unschedule_unfit_events
unfit_schedules = event_schedules.select do |event_schedule|
event_schedule.start_time.min % schedule_interval > 0
end
EventSchedule.where(id: unfit_schedules.map(&:id)).destroy_all
end
##
# Change event type length according schedule interval
#
def normalize_event_types_length
event_types.each do |event_type|
new_length = event_type.length > schedule_interval ? event_type.length - (event_type.length % schedule_interval) : schedule_interval
event_type.update_attribute(:length, new_length)
end
end
end