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event.rb
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event.rb
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# Copyright 2009 Timothy Fisher
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# == Schema Information
# Schema version: 20090206190209
#
# Table name: events
#
# id :integer(4) not null, primary key
# name :string(255)
# user_id :integer(4)
# photo_id :integer(4)
# description :text
# event_type :string(255)
# start_time :datetime
# end_time :datetime
# location :string(255)
# street :string(255)
# city :string(255)
# website :string(255)
# phone :string(255)
# organized_by :string(255)
# created_at :datetime
# updated_at :datetime
#
class Event < ActiveRecord::Base
has_many :attendances, :dependent => :destroy
has_many :attendees, :through => :attendances, :order => Event.connection.adapter_name == 'PostgreSQL' ? 'RANDOM()' : 'RAND()'
has_one :profile_photo
belongs_to :user # the creator
has_many :wall_posts, :order=>'created_at DESC'
has_many :event_reviews
validates_presence_of :start_time, :end_time, :name
after_create :log_activity
after_destroy :cleanup
@@cached_events = nil
def self.cached_events
@@cached_events ||= Event.find(:all, :select=>"id, name, start_time, end_time, location", :conditions=>'start_time>now()', :order=>'start_time ASC', :limit=>6)
end
def self.reset_cache
@@cached_events = nil
end
def cleanup
Event.reset_cache
end
def log_activity
Activity.create!(:item => self, :user => self.user)
Event.reset_cache
end
end