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

118 lines
3.4 KiB
Ruby

# encoding: utf-8
# This is the central ADL class, where are managed all events
class Event < ActiveRecord::Base
extend SimpleCalendar
belongs_to :related_region, foreign_key: 'region', class_name: Region
has_many :notes, dependent: :destroy
has_one :related_city, foreign_key: :name, primary_key: :city,
class_name: City
validates :title, presence: true
validate :end_after_start
validates :description, presence: true
validates :city, presence: true
validates :related_region, presence: true
validates :url, presence: true, format: %r{\Ahttps?:\/\/.*\..*\z}
validates :contact, presence: true
validates :contact, email: true
validates :submitter, email: true
validates :tags, presence: false, format: /\A[\p{Alnum}\s-]*\z/
geocoded_by :full_address, lookup: :nominatim
# after_validation :geocode, if: -> (obj) { obj.address_changed? }
after_validation :geocode
scope :moderated, -> { where moderated: true }
scope :unmoderated, -> { where moderated: false }
scope :last_year, -> { where '? <= end_time', 1.year.ago }
scope :past, -> { where 'start_time <= ?', DateTime.now }
scope :future, -> { where '? <= end_time', DateTime.now }
scope :in, -> days { where 'end_time <= ?', (days || 30).to_i.days.from_now }
scope :year, (lambda do |year|
where '? <= end_time and start_time <= ?',
Date.new(year, 1, 1).beginning_of_week,
Date.new(year, 12, 31).end_of_week
end)
scope :month, (lambda do |start_date|
start_date ||= Date.today
where '? <= end_time and start_time <= ?',
start_date.beginning_of_month.beginning_of_week,
start_date.end_of_month.end_of_week
end)
scope :region, -> region { where 'region = ? or locality', region }
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 = DateTime.now
self.decision_time = DateTime.now
self.submitter = contact if submitter.empty?
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
if moderated? && moderated_was != moderated
self.decision_time = DateTime.now
end
end
def as_json(_options = {})
{ type: 'Feature', properties: {
name: title,
popupContent: "<a href=\"/#{self.class.name.downcase.pluralize}/#{id}\"" \
+ ">#{city}: #{title}</a>"
}, geometry: {
type: 'Point',
coordinates: [longitude, latitude]
} }
end
def full_address
[address, city, related_region.name].compact.join ', '
end
def hashtags
tags.split.map { |tag| "##{tag}" }
end
def to_s
"#{start_time.to_date} #{city}: #{title} #{hashtags.join(' ')}"
end
def to_tweet(url)
tweet = to_s
if (tweet.size + url.size >= 140)
tweet = tweet[0, tweet[0, 140 - url.size].rindex(/\s/)]
end
"#{tweet} #{url}"
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