38 lines
908 B
Ruby
38 lines
908 B
Ruby
class Mapping < ActiveRecord::Base
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scope :topicmapping, -> { where(mappable_type: :Topic) }
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scope :synapsemapping, -> { where(mappable_type: :Synapse) }
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belongs_to :mappable, polymorphic: true
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belongs_to :map, :class_name => "Map", :foreign_key => "map_id", touch: true
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belongs_to :user
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before_destroy :remove_defer
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validates :xloc, presence: true,
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unless: Proc.new { |m| m.mappable_type == 'Synapse' }
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validates :yloc, presence: true,
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unless: Proc.new { |m| m.mappable_type == 'Synapse' }
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validates :map, presence: true
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validates :mappable, presence: true
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def user_name
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self.user.name
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end
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def user_image
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self.user.image.url
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end
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def as_json(options={})
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super(:methods =>[:user_name, :user_image])
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end
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private
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def remove_defer(mapping)
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mappable = mapping.mappable
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mappable.defer_to_map_id = nil
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mappable.save
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end
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end
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