agenda-libre-ruby/app/models/event.rb

130 lines
4.1 KiB
Ruby

# encoding: utf-8
# This is the central ADL class, where are managed all events
class Event < ActiveRecord::Base
extend SimpleCalendar
strip_attributes
has_paper_trail ignore: [:secret, :submitter, :latitude, :longitude]
belongs_to :region
has_many :notes, dependent: :destroy
validates :title, presence: true
validate :end_after_start
validates :description, presence: true
validates :city, presence: true
validates :region, presence: true
validates :url, presence: true, format: %r{\Ahttps?:\/\/.*\..*\z}
validates :contact, email: true
validates :submitter, email: true
validates :tags, presence: true, format: /\A[\p{Alnum}\s-]*\z/
geocoded_by :full_address
# after_validation :geocode, if: -> (obj) { obj.address_changed? }
after_validation :geocode
# Mechanism to store some reason which can be used when sending notifications
attr_accessor :reason_for_deletion
after_create EventCallbacks
after_update EventCallbacks
after_destroy EventCallbacks
scope :moderated, ->(*) { where moderated: true }
scope :unmoderated, ->(*) { where moderated: false }
scope :last_year, -> { where '? <= end_time', 1.year.ago }
scope :past, -> { where 'start_time <= ?', Time.zone.now }
scope :future, -> { where '? <= end_time', Time.zone.now }
scope :daylimit, ->(d) { where 'end_time <= ?', d.to_i.days.from_now }
scope :year, (lambda do |year|
where '? <= end_time and start_time <= ?',
Date.new(year.to_i, 1, 1).beginning_of_week,
Date.new(year.to_i, 12, 31).end_of_week.end_of_day
end)
scope :month, (lambda do |start_date|
where '? <= end_time and start_time <= ?',
start_date.to_date.beginning_of_month.beginning_of_week,
start_date.to_date.end_of_month.end_of_week.end_of_day
end)
scope :period, (lambda do |year, week|
start_date = DateTime.commercial(year.to_i, week.to_i)
where '? <= end_time and start_time <= ?',
start_date, start_date.end_of_week.end_of_day
end)
scope :region, ->(region) { where region: region unless region == 'all' }
scope :locality, ->(locality) { where locality: locality }
scope :tag, ->(tag) { where 'tags like ?', "%#{tag}%" }
scope :geo, -> { where 'latitude is not null and longitude is not null' }
before_validation do
# Tags are always downcased
self.tags = tags.mb_chars.downcase if tags
end
before_validation on: :create do
self.submission_time = Time.zone.now
self.decision_time = Time.zone.now
# Populate submitter using contact info if absent
self.submitter = contact if submitter.blank?
end
before_validation on: :update do
if address_changed?
self.latitude = nil
self.longitude = nil
end
end
before_create do
self.secret = SecureRandom.urlsafe_base64(32)[0...32]
self.moderator_mail_id = SecureRandom.urlsafe_base64(32)[0...32]
self.submitter_mail_id = SecureRandom.urlsafe_base64(32)[0...32]
end
before_update do
self.decision_time = Time.zone.now if moderated? && moderated_changed?
end
def as_json(_options = {})
{ type: 'Feature', properties: {
id: id, name: title, start_time: start_time, end_time: end_time,
place_name: place_name, address: address, city: city, locality: locality,
tags: tags,
popupContent: "<a href=\"/events/#{id}\">#{self}</a>"
}, geometry: { type: 'Point', coordinates: [longitude, latitude] } }
end
def full_address
[address, city, region.try(:name)].compact.join ', '
end
def hashtags
tags.split.map { |tag| "##{tag.tr('-', '_').camelize :lower}" }
end
def to_s
"#{start_time.to_date} #{city}: #{title} #{hashtags.join(' ')}"
end
def to_tweet
url = Rails.application.routes.url_helpers.event_url(
self,
host: ActionMailer::Base.default_url_options[:host])
tweet = "#{self} #{url}"
if (tweet.size >= 140)
tweet = "#{tweet[0, tweet.rindex(/\s/, 140 - url.size)]} #{url}"
end
tweet
end
private
def end_after_start
return if end_time.blank? || start_time.blank?
errors.add :end_time, :before_start if end_time <= start_time
end
end