Class: AdvertSelector::Banner

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/advert_selector/banner.rb

Instance Method Summary collapse

Instance Method Details

#add_one_viewcount ⇒ Object 



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# File 'app/models/advert_selector/banner.rb', line 85

def add_one_viewcount
  unless self.target_view_count.nil?

    counter = running_view_count + 1
    Rails.cache.write(cache_key, counter, :expires_in => 2.weeks)
    self[:running_view_count] = counter

    since_update = running_view_count_change.last - running_view_count_change.first
    self.save if since_update >= 500 || counter >= target_view_count
  end
end

#after_save_destroy_empty_helpers ⇒ Object 



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# File 'app/models/advert_selector/banner.rb', line 98

def after_save_destroy_empty_helpers
  helper_items.each do |hi|
    hi.destroy if hi.blank?
  end
end

#cache_key ⇒ Object 



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# File 'app/models/advert_selector/banner.rb', line 68

def cache_key
  "AdvertSelectorBanner_#{id}"
end

#has_frequency? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/advert_selector/banner.rb', line 30

def has_frequency?
  !frequency.nil? && frequency > 0
end

#name_sym ⇒ Object

todo validates validate placement



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# File 'app/models/advert_selector/banner.rb', line 26

def name_sym
  @name_sym ||= name.downcase.to_sym
end

#reload ⇒ Object 



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# File 'app/models/advert_selector/banner.rb', line 63

def reload
  super
  reset_cache
end

#reset_cache ⇒ Object 



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# File 'app/models/advert_selector/banner.rb', line 79

def reset_cache
  Rails.cache.write(cache_key, nil, :expires_in => 2.weeks)
  @show_now_today_target = nil
  @name_sym = nil
end

#running_view_count ⇒ Object 



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# File 'app/models/advert_selector/banner.rb', line 72

def running_view_count
  counter = Rails.cache.read(cache_key).to_i
  counter = 0 if $advert_selector_avoid_cache
  counter = self[:running_view_count] if counter < self[:running_view_count]
  counter
end

#show_now_basics?(use_time_limits = true) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/advert_selector/banner.rb', line 56

def show_now_basics?(use_time_limits = true)
  confirmed? &&
    (!use_time_limits || start_time.nil? || start_time < Time.now) &&
    (!use_time_limits || end_time.nil? || Time.now < end_time) &&
    show_today_has_viewcounts?
end

#show_today_has_viewcounts?(current_view_count = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/advert_selector/banner.rb', line 34

def show_today_has_viewcounts?(current_view_count = nil)
  return true if target_view_count.nil?

  current_view_count = running_view_count if current_view_count.nil?

  return false if current_view_count >= target_view_count
  return true if fast_mode?

  @show_now_today_target ||=
      if target_view_count.nil? || end_time.nil? || end_time < 24.hours.from_now
        true
      else
        total_hours = ((end_time - start_time - 12.hours)/1.hour).round
        hourly_view_count = target_view_count/total_hours

        hours_ending_now = ((Time.now.end_of_hour - start_time)/1.hour).ceil
        hours_ending_now * hourly_view_count
      end

  @show_now_today_target == true || current_view_count < @show_now_today_target
end