72 lines
1.6 KiB
Ruby
72 lines
1.6 KiB
Ruby
class AssetCollection
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include Locomotive::Mongoid::Document
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## fields ##
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field :name
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field :slug
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field :internal, :type => Boolean, :default => false
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## associations ##
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referenced_in :site
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embeds_many :assets
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## behaviours ##
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custom_fields_for :assets
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liquid_methods :name, :ordered_assets
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## callbacks ##
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before_validation :normalize_slug
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before_save :store_asset_positions!
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## validations ##
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validates_presence_of :site, :name, :slug
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validates_uniqueness_of :slug, :scope => :site_id
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## named scopes ##
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scope :internal, :where => { :internal => true }
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scope :not_internal, :where => { :internal => false }
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## methods ##
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def ordered_assets
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self.assets.sort { |a, b| (a.position || 0) <=> (b.position || 0) }
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end
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def assets_order
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self.ordered_assets.collect(&:id).join(',')
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end
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def assets_order=(order)
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@assets_order = order
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end
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def self.find_or_create_internal(site)
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site.asset_collections.internal.first || site.asset_collections.create(:name => 'system', :slug => 'system', :internal => true)
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end
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protected
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def normalize_slug
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self.slug = self.name.clone if self.slug.blank? && self.name.present?
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self.slug.slugify! if self.slug.present?
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end
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def store_asset_positions!
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return if @assets_order.blank?
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ids = @assets_order.split(',').collect { |id| BSON::ObjectId(id) }
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ids.each_with_index do |asset_id, index|
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self.assets.find(asset_id).position = index
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end
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self.assets.clone.each do |asset|
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if !ids.include?(asset._id)
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self.assets.delete(asset)
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asset.send(:delete)
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end
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end
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end
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end
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