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