debian-mirror-gitlab/app/models/label.rb

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class Label < ActiveRecord::Base
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include CacheMarkdownField
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include Referable
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include Subscribable
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# Represents a "No Label" state used for filtering Issues and Merge
# Requests that have no label assigned.
LabelStruct = Struct.new(:title, :name)
None = LabelStruct.new('No Label', 'No Label')
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Any = LabelStruct.new('Any Label', '')
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cache_markdown_field :description, pipeline: :single_line
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DEFAULT_COLOR = '#428BCA'
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default_value_for :color, DEFAULT_COLOR
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has_many :lists, dependent: :destroy
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has_many :priorities, class_name: 'LabelPriority'
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has_many :label_links, dependent: :destroy
has_many :issues, through: :label_links, source: :target, source_type: 'Issue'
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has_many :merge_requests, through: :label_links, source: :target, source_type: 'MergeRequest'
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validates :color, color: true, allow_blank: false
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# Don't allow ',' for label titles
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validates :title, presence: true, format: { with: /\A[^,]+\z/ }
validates :title, uniqueness: { scope: [:group_id, :project_id] }
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default_scope { order(title: :asc) }
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scope :templates, -> { where(template: true) }
scope :with_title, ->(title) { where(title: title) }
def self.prioritized(project)
joins(:priorities)
.where(label_priorities: { project_id: project })
.reorder('label_priorities.priority ASC, labels.title ASC')
end
def self.unprioritized(project)
labels = Label.arel_table
priorities = LabelPriority.arel_table
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label_priorities = labels.join(priorities, Arel::Nodes::OuterJoin).
on(labels[:id].eq(priorities[:label_id]).and(priorities[:project_id].eq(project.id))).
join_sources
joins(label_priorities).where(priorities[:priority].eq(nil))
end
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def self.left_join_priorities
labels = Label.arel_table
priorities = LabelPriority.arel_table
label_priorities = labels.join(priorities, Arel::Nodes::OuterJoin).
on(labels[:id].eq(priorities[:label_id])).
join_sources
joins(label_priorities)
end
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alias_attribute :name, :title
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def self.reference_prefix
'~'
end
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##
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# Pattern used to extract label references from text
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#
# This pattern supports cross-project references.
#
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def self.reference_pattern
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# NOTE: The id pattern only matches when all characters on the expression
# are digits, so it will match ~2 but not ~2fa because that's probably a
# label name and we want it to be matched as such.
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@reference_pattern ||= %r{
(#{Project.reference_pattern})?
#{Regexp.escape(reference_prefix)}
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(?:
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(?<label_id>\d+(?!\S\w)\b) | # 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
".+?" # String-based multi-word label surrounded in quotes
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)
)
}x
end
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def self.link_reference_pattern
nil
end
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def open_issues_count(user = nil)
issues_count(user, state: 'opened')
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end
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def closed_issues_count(user = nil)
issues_count(user, state: 'closed')
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end
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def open_merge_requests_count(user = nil)
params = {
subject_foreign_key => subject.id,
label_name: title,
scope: 'all',
state: 'opened'
}
MergeRequestsFinder.new(user, params.with_indifferent_access).execute.count
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end
def prioritize!(project, value)
label_priority = priorities.find_or_initialize_by(project_id: project.id)
label_priority.priority = value
label_priority.save!
end
def unprioritize!(project)
priorities.where(project: project).delete_all
end
def priority(project)
priorities.find_by(project: project).try(:priority)
end
def template?
template
end
def text_color
LabelsHelper.text_color_for_bg(self.color)
end
def title=(value)
write_attribute(:title, sanitize_title(value)) if value.present?
end
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##
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# Returns the String necessary to reference this Label in Markdown
#
# format - Symbol format to use (default: :id, optional: :name)
#
# Examples:
#
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# Label.first.to_reference # => "~1"
# Label.first.to_reference(format: :name) # => "~\"bug\""
# Label.first.to_reference(project1, project2) # => "gitlab-org/gitlab-ce~1"
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#
# Returns a String
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#
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def to_reference(source_project = nil, target_project = nil, format: :id)
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format_reference = label_format_reference(format)
reference = "#{self.class.reference_prefix}#{format_reference}"
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if cross_project_reference?(source_project, target_project)
source_project.to_reference + reference
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else
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reference
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end
end
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def as_json(options = {})
super(options).tap do |json|
json[:priority] = priority(options[:project]) if options.has_key?(:project)
end
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end
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private
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def cross_project_reference?(source_project, target_project)
source_project && target_project && source_project != target_project
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end
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def issues_count(user, params = {})
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params.merge!(subject_foreign_key => subject.id, label_name: title, scope: 'all')
IssuesFinder.new(user, params.with_indifferent_access).execute.count
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end
def label_format_reference(format = :id)
raise StandardError, 'Unknown format' unless [:id, :name].include?(format)
if format == :name && !name.include?('"')
%("#{name}")
else
id
end
end
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def sanitize_title(value)
CGI.unescapeHTML(Sanitize.clean(value.to_s))
end
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end