Emi Matchu
edcb21558a
Oh right okay, I made a sloppy perf hack long ago, and now let's actually clean it up!
29 lines
886 B
Ruby
29 lines
886 B
Ruby
class Species < ApplicationRecord
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has_many :pet_types
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has_many :alt_styles
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scope :alphabetical, -> { order(:name) }
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def as_json(options={})
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super({only: [:id, :name], methods: [:human_name]}.merge(options))
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end
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def human_name
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if name
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name.capitalize
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else
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I18n.translate('species.default_human_name')
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end
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end
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# Given a list of body IDs, return a hash from body ID to Species.
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# (We assume that each body ID belongs to just one species; if not, which
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# species we return for that body ID is undefined.)
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def self.with_body_ids(body_ids)
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species_ids_by_body_id = PetType.where(body_id: body_ids).distinct.
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pluck(:body_id, :species_id).to_h
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species_by_id = Species.where(id: species_ids_by_body_id.values).
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to_h { |s| [s.id, s] }
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species_ids_by_body_id.transform_values { |id| species_by_id[id] }
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end
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end
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