class Event < ActiveRecord::Base
  belongs_to :region, foreign_key: 'region'

  scope :year, -> year {
    where "end_time >= ? and start_time < ?",
    "#{year}-1-1", "#{year.to_i+1}-1-1"
  }
  scope :month, -> year, month {
    where "end_time >= ? and start_time < ?",
    "#{year}-#{month.to_i-1}-1", "#{year}-#{month.to_i+2}-1"
  }
  scope :region, -> region { where region: region }
  scope :tag, -> tag { where "tags like ?", "%#{tag}%" }

  def same_day?
    start_time.to_date == end_time.to_date
  end
end