78 lines
1.9 KiB
Ruby
78 lines
1.9 KiB
Ruby
module JamRuby
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class Band < ActiveRecord::Base
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attr_accessible :name, :website, :biography
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self.primary_key = 'id'
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# musicians
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has_many :band_musicians
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has_many :users, :through => :band_musicians, :class_name => "JamRuby::User"
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# genres
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has_and_belongs_to_many :genres, :class_name => "JamRuby::Genre", :join_table => "bands_genres"
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after_save :limit_to_three_genres
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def photo_url
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# TODO: move image path to config
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@photo_url = "http://www.jamkazam.com/images/bands/photos/#{self.id}.gif"
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end
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def logo_url
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# TODO: move image path to config
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@logo_url = "http://www.jamkazam.com/images/bands/logos/#{self.id}.gif"
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end
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# helper method for creating / updating a Band
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def self.save(params)
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if params[:id].nil?
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band = Band.new()
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else
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band = Band.find(params[:id])
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end
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# name
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unless params[:name].nil?
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band.name = params[:name]
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end
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# name
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unless params[:website].nil?
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band.website = params[:website]
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end
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# name
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unless params[:biography].nil?
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band.biography = params[:biography]
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end
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# genres
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genres = params[:genres]
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unless genres.nil?
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ActiveRecord::Base.transaction do
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# delete all genres for this band first
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unless band.id.nil? || band.id.length == 0
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band.genres.delete_all
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end
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# loop through each instrument in the array and save to the db
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genres.each do |genre_id|
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g = Genre.find(genre_id)
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band.genres << g
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end
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end
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end
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band.updated_at = Time.now.getutc
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band.save
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return band
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end
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def limit_to_three_genres
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if self.genres.count > 3
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errors.add(:genres, "No more than 3 genres are allowed.")
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end
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end
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end
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end |