Jason Zimdars
21 lines
461 B
Ruby
21 lines
461 B
Ruby
class Tag < ApplicationRecord
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include Attachable, Filterable
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has_many :taggings, dependent: :destroy
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has_many :cards, through: :taggings
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validates :title, format: { without: /\A#/ }
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normalizes :title, with: -> { it.downcase }
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scope :alphabetically, -> { order("lower(title)") }
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scope :unused, -> { left_outer_joins(:taggings).where(taggings: { id: nil }) }
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def hashtag
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"#" + title
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end
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def cards_count
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cards.open.count
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end
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end
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