108 lines
3.3 KiB
Ruby
108 lines
3.3 KiB
Ruby
class Album < ActiveRecord::Base
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extend Ext::GroupFor
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ajaxful_rateable :stars => 5, :cache_column => :rating_average
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has_many :photos, :dependent => :destroy
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has_many :collection_albums
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has_many :collections, :through => :collection_albums
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validates :path, :presence => true, :uniqueness => true #, :message => "Album already exsists on disc"
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validates :title, :presence => true #, :message => "can't be blank"
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before_validation :ensure_path, :set_title
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after_create :create_folders
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after_destroy :destroy_folders
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attr_accessor :tags
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scope :visible, lambda { where(:public => true) }
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scope :popular, lambda{visible.includes(:photos).where("photos.id NOT NULL").order('albums.rating_average desc')}
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scope :untouched, lambda{where("albums.id IN ( SELECT DISTINCT photos.album_id FROM photos WHERE photos.description IS NULL AND photos.id NOT IN ( SELECT photo_id FROM photo_tags) )").order('title')}
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scope :unused, lambda{where("albums.id NOT IN (SELECT album_id FROM collection_albums)")}
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scope :used, lambda{where("albums.id IN (SELECT album_id FROM collection_albums)")}
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def to_param
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"#{id}-#{title.parameterize}"
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end
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def ensure_path
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self.path = self.title.parameterize unless self.path
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end
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def set_title
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self.title = File.basename(self.path).titleize unless self.title || !self.path
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end
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def tags
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# should maybe cache this to database?
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# should maybe return array instead?
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tags = Array.new
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self.photos.map { |photo|
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if photo.tags.empty?
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# photo has no tags => no unversial tags for this album
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return
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else
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photo.tags
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end
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}.each_with_index { |photo_tags, i|
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# returns tag collection for each photo
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if i == 0
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tags = photo_tags
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else
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# combine arrays if they have identical tags.
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# Will remove tags that are only tagged to one photo
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#tags = tags & photo_tags
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tags = tags & photo_tags
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end
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}
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return tags
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end
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def tags=(tags)
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tags = tags.split(" ").sort
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current_tags = (self.tags.nil? ? [] : self.tags.map { |tag| tag.title })
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return if tags == self.tags
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# find tags that should be removed from this album - thus remove from all photos in album
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# i.e. tags listed in self.tag_list but no in parameter tags
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#current_tags.map {|tag|tag if !tags.include?(tag) }.compact
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(current_tags - tags).each { |tag|
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self.photos.each { |photo|
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photo.untag(tag)
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}
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}
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# add universial tags to all photos in album
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(tags - current_tags).each do |tag|
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self.photos.each { |photo|
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photo.tag(tag)
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}
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end
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end
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def photo_tags
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tags = Array.new
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self.photos.each { |photo|
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tags = tags | photo.tags
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}
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return tags
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end
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protected
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private
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def create_folders
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#Dir.mkdir( APP_CONFIG[:photos_path] + self.path ) unless File.exists?( APP_CONFIG[:photos_path] + self.path )
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#Dir.mkdir( APP_CONFIG[:thumbs_path] + self.path ) unless File.exists?( APP_CONFIG[:thumbs_path] + self.path )
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end
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def destroy_folders
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#puts "DELETE DIRECTORY " + APP_CONFIG[:photos_path] + self.path
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#Dir.delete( APP_CONFIG[:photos_path] + self.path ) if File.exists?( APP_CONFIG[:photos_path] + self.path )
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#Dir.delete( APP_CONFIG[:thumbs_path] + self.path ) if File.exists?( APP_CONFIG[:thumbs_path] + self.path )
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end
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end
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