62 lines
1.9 KiB
Ruby
62 lines
1.9 KiB
Ruby
class Product
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include SimplyStored::Couch
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include ActiveModel::SerializerSupport
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include Paperclip::Glue
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property :name
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property :code
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property :price, type: Float
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property :description
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#belongs_to :product_category
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has_and_belongs_to_many :product_categories, storing_keys: false
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belongs_to :supplier # direct! category is an aid
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has_many :product_orders
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attr_protected :supplier_id
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validates :name, presence: true
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validates :supplier_id, presence: true
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validates :price, presence: true, numericality: true
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view :by_supplier_id_and_id, key: [:supplier_id, :_id]
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after_save :persist_product_category_ids
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def product_category_ids=(ids)
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@product_category_ids = ids.select(&:present?)
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is_dirty
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end
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property :image_file_name
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property :image_content_type
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property :image_file_size, :type => Fixnum
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property :image_updated_at, :type => Time
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has_attached_file :image,
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url: '/system/product/:id/images/:style.:extension',
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styles: {medium: '512x512>', thumb: '128x128>', large: '896x896>', small: '320x320>'},
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default_url: '/assets/user/blank-pixel.png'
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validates_attachment :image, content_type: {content_type: ["image/jpg", "image/jpeg", "image/png", "image/gif"]}
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private
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def persist_product_category_ids
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return unless defined?(@product_category_ids) # Do not do anything if nothing happened to this attribute
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@product_category_ids ||= []
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existing_product_categories = product_categories
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# do nothing if nothing has changed
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return if @product_category_ids == existing_product_categories.map(&:id)
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# clear removed product categories
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existing_product_categories.reject{|pc| @product_category_ids.include?(pc.id) }.each{|pc| pc.remove_product(self) }
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# Add product to newly added product categories
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database.load(@product_category_ids - existing_product_categories.map(&:id)).each do |product_category|
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product_category.add_product(self)
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end
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end
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end
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