90 lines
2.3 KiB
Ruby
90 lines
2.3 KiB
Ruby
# == Schema Information
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#
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# Table name: labels
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#
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# id :integer not null, primary key
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# title :string(255)
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# color :string(255)
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# project_id :integer
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# created_at :datetime
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# updated_at :datetime
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#
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class Label < ActiveRecord::Base
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include Referable
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# Represents a "No Label" state used for filtering Issues and Merge
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# Requests that have no label assigned.
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None = Struct.new(:title, :name).new('No Label', 'No Label')
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DEFAULT_COLOR = '#428BCA'
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default_value_for :color, DEFAULT_COLOR
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belongs_to :project
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has_many :label_links, dependent: :destroy
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has_many :issues, through: :label_links, source: :target, source_type: 'Issue'
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validates :color,
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format: { with: /\A#[0-9A-Fa-f]{6}\Z/ },
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allow_blank: false
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validates :project, presence: true, unless: Proc.new { |service| service.template? }
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# Don't allow '?', '&', and ',' for label titles
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validates :title,
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presence: true,
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format: { with: /\A[^&\?,]+\z/ },
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uniqueness: { scope: :project_id }
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default_scope { order(title: :asc) }
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scope :templates, -> { where(template: true) }
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alias_attribute :name, :title
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def self.reference_prefix
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'~'
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end
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# Pattern used to extract label references from text
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def self.reference_pattern
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%r{
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#{reference_prefix}
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(?:
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(?<label_id>\d+) | # Integer-based label ID, or
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(?<label_name>
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[A-Za-z0-9_-]+ | # String-based single-word label title, or
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"[^&\?,]+" # String-based multi-word label surrounded in quotes
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)
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)
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}x
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end
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# Returns the String necessary to reference this Label in Markdown
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#
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# format - Symbol format to use (default: :id, optional: :name)
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#
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# Note that its argument differs from other objects implementing Referable. If
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# a non-Symbol argument is given (such as a Project), it will default to :id.
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#
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# Examples:
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#
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# Label.first.to_reference # => "~1"
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# Label.first.to_reference(:name) # => "~\"bug\""
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#
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# Returns a String
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def to_reference(format = :id)
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if format == :name && !name.include?('"')
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%(#{self.class.reference_prefix}"#{name}")
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else
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"#{self.class.reference_prefix}#{id}"
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end
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end
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def open_issues_count
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issues.opened.count
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end
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def template?
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template
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end
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end
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