344 lines
11 KiB
Ruby
344 lines
11 KiB
Ruby
# == Issuable concern
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#
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# Contains common functionality shared between Issues and MergeRequests
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#
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# Used by Issue, MergeRequest
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#
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module Issuable
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extend ActiveSupport::Concern
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include Gitlab::SQL::Pattern
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include CacheMarkdownField
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include Participable
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include Mentionable
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include Subscribable
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include StripAttribute
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include Awardable
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include Taskable
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include TimeTrackable
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include Importable
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include Editable
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include AfterCommitQueue
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# This object is used to gather issuable meta data for displaying
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# upvotes, downvotes, notes and closing merge requests count for issues and merge requests
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# lists avoiding n+1 queries and improving performance.
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IssuableMeta = Struct.new(:upvotes, :downvotes, :notes_count, :merge_requests_count)
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included do
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cache_markdown_field :title, pipeline: :single_line
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cache_markdown_field :description, issuable_state_filter_enabled: true
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belongs_to :author, class_name: "User"
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belongs_to :updated_by, class_name: "User"
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belongs_to :last_edited_by, class_name: 'User'
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belongs_to :milestone
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has_many :notes, as: :noteable, inverse_of: :noteable, dependent: :destroy do # rubocop:disable Cop/ActiveRecordDependent
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def authors_loaded?
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# We check first if we're loaded to not load unnecessarily.
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loaded? && to_a.all? { |note| note.association(:author).loaded? }
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end
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def award_emojis_loaded?
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# We check first if we're loaded to not load unnecessarily.
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loaded? && to_a.all? { |note| note.association(:award_emoji).loaded? }
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end
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end
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has_many :label_links, as: :target, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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has_many :labels, through: :label_links
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has_many :todos, as: :target, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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has_one :metrics
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delegate :name,
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:email,
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:public_email,
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to: :author,
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allow_nil: true,
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prefix: true
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delegate :name,
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:email,
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:public_email,
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to: :assignee,
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allow_nil: true,
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prefix: true
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validates :author, presence: true
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validates :title, presence: true, length: { maximum: 255 }
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scope :authored, ->(user) { where(author_id: user) }
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scope :recent, -> { reorder(id: :desc) }
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scope :of_projects, ->(ids) { where(project_id: ids) }
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scope :of_milestones, ->(ids) { where(milestone_id: ids) }
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scope :with_milestone, ->(title) { left_joins_milestones.where(milestones: { title: title }) }
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scope :opened, -> { with_state(:opened) }
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scope :only_opened, -> { with_state(:opened) }
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scope :closed, -> { with_state(:closed) }
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scope :left_joins_milestones, -> { joins("LEFT OUTER JOIN milestones ON #{table_name}.milestone_id = milestones.id") }
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scope :order_milestone_due_desc, -> { left_joins_milestones.reorder('milestones.due_date IS NULL, milestones.id IS NULL, milestones.due_date DESC') }
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scope :order_milestone_due_asc, -> { left_joins_milestones.reorder('milestones.due_date IS NULL, milestones.id IS NULL, milestones.due_date ASC') }
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scope :without_label, -> { joins("LEFT OUTER JOIN label_links ON label_links.target_type = '#{name}' AND label_links.target_id = #{table_name}.id").where(label_links: { id: nil }) }
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scope :join_project, -> { joins(:project) }
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scope :inc_notes_with_associations, -> { includes(notes: [:project, :author, :award_emoji]) }
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scope :references_project, -> { references(:project) }
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scope :non_archived, -> { join_project.where(projects: { archived: false }) }
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attr_mentionable :title, pipeline: :single_line
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attr_mentionable :description
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participant :author
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participant :notes_with_associations
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strip_attributes :title
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acts_as_paranoid
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after_save :record_metrics, unless: :imported?
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# We want to use optimistic lock for cases when only title or description are involved
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# http://api.rubyonrails.org/classes/ActiveRecord/Locking/Optimistic.html
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def locking_enabled?
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title_changed? || description_changed?
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end
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def allows_multiple_assignees?
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false
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end
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def has_multiple_assignees?
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assignees.count > 1
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end
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end
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module ClassMethods
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# Searches for records with a matching title.
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#
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# This method uses ILIKE on PostgreSQL and LIKE on MySQL.
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#
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# query - The search query as a String
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#
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# Returns an ActiveRecord::Relation.
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def search(query)
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title = to_fuzzy_arel(:title, query)
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where(title)
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end
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# Searches for records with a matching title or description.
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#
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# This method uses ILIKE on PostgreSQL and LIKE on MySQL.
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#
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# query - The search query as a String
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#
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# Returns an ActiveRecord::Relation.
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def full_search(query)
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title = to_fuzzy_arel(:title, query)
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description = to_fuzzy_arel(:description, query)
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where(title&.or(description))
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end
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def sort(method, excluded_labels: [])
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sorted = case method.to_s
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when 'milestone_due_asc' then order_milestone_due_asc
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when 'milestone_due_desc' then order_milestone_due_desc
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when 'downvotes_desc' then order_downvotes_desc
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when 'upvotes_desc' then order_upvotes_desc
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when 'label_priority' then order_labels_priority(excluded_labels: excluded_labels)
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when 'priority' then order_due_date_and_labels_priority(excluded_labels: excluded_labels)
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else
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order_by(method)
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end
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# Break ties with the ID column for pagination
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sorted.order(id: :desc)
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end
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def order_due_date_and_labels_priority(excluded_labels: [])
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# The order_ methods also modify the query in other ways:
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#
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# - For milestones, we add a JOIN.
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# - For label priority, we change the SELECT, and add a GROUP BY.#
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#
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# After doing those, we need to reorder to the order we want. The existing
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# ORDER BYs won't work because:
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#
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# 1. We need milestone due date first.
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# 2. We can't ORDER BY a column that isn't in the GROUP BY and doesn't
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# have an aggregate function applied, so we do a useless MIN() instead.
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#
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milestones_due_date = 'MIN(milestones.due_date)'
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order_milestone_due_asc
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.order_labels_priority(excluded_labels: excluded_labels, extra_select_columns: [milestones_due_date])
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.reorder(Gitlab::Database.nulls_last_order(milestones_due_date, 'ASC'),
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Gitlab::Database.nulls_last_order('highest_priority', 'ASC'))
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end
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def order_labels_priority(excluded_labels: [], extra_select_columns: [])
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params = {
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target_type: name,
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target_column: "#{table_name}.id",
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project_column: "#{table_name}.#{project_foreign_key}",
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excluded_labels: excluded_labels
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}
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highest_priority = highest_label_priority(params).to_sql
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select_columns = [
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"#{table_name}.*",
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"(#{highest_priority}) AS highest_priority"
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] + extra_select_columns
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select(select_columns.join(', '))
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.group(arel_table[:id])
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.reorder(Gitlab::Database.nulls_last_order('highest_priority', 'ASC'))
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end
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def with_label(title, sort = nil)
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if title.is_a?(Array) && title.size > 1
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joins(:labels).where(labels: { title: title }).group(*grouping_columns(sort)).having("COUNT(DISTINCT labels.title) = #{title.size}")
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else
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joins(:labels).where(labels: { title: title })
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end
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end
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# Includes table keys in group by clause when sorting
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# preventing errors in postgres
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#
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# Returns an array of arel columns
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def grouping_columns(sort)
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grouping_columns = [arel_table[:id]]
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if %w(milestone_due_desc milestone_due_asc).include?(sort)
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milestone_table = Milestone.arel_table
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grouping_columns << milestone_table[:id]
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grouping_columns << milestone_table[:due_date]
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end
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grouping_columns
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end
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def to_ability_name
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model_name.singular
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end
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end
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def today?
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Date.today == created_at.to_date
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end
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def new?
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today? && created_at == updated_at
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end
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def open?
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opened?
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end
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def user_notes_count
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if notes.loaded?
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# Use the in-memory association to select and count to avoid hitting the db
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notes.to_a.count { |note| !note.system? }
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else
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# do the count query
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notes.user.count
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end
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end
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def subscribed_without_subscriptions?(user, project)
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participants(user).include?(user)
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end
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def to_hook_data(user)
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hook_data = {
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object_kind: self.class.name.underscore,
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user: user.hook_attrs,
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project: project.hook_attrs,
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object_attributes: hook_attrs,
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labels: labels.map(&:hook_attrs),
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# DEPRECATED
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repository: project.hook_attrs.slice(:name, :url, :description, :homepage)
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}
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if self.is_a?(Issue)
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hook_data[:assignees] = assignees.map(&:hook_attrs) if assignees.any?
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else
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hook_data[:assignee] = assignee.hook_attrs if assignee
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end
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hook_data
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end
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def labels_array
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labels.to_a
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end
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def label_names
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labels.order('title ASC').pluck(:title)
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end
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# Convert this Issuable class name to a format usable by Ability definitions
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#
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# Examples:
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#
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# issuable.class # => MergeRequest
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# issuable.to_ability_name # => "merge_request"
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def to_ability_name
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self.class.to_ability_name
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end
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# Returns a Hash of attributes to be used for Twitter card metadata
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def card_attributes
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{
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'Author' => author.try(:name),
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'Assignee' => assignee.try(:name)
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}
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end
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def notes_with_associations
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# If A has_many Bs, and B has_many Cs, and you do
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# `A.includes(b: :c).each { |a| a.b.includes(:c) }`, sadly ActiveRecord
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# will do the inclusion again. So, we check if all notes in the relation
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# already have their authors loaded (possibly because the scope
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# `inc_notes_with_associations` was used) and skip the inclusion if that's
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# the case.
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includes = []
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includes << :author unless notes.authors_loaded?
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includes << :award_emoji unless notes.award_emojis_loaded?
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if includes.any?
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notes.includes(includes)
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else
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notes
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end
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end
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def updated_tasks
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Taskable.get_updated_tasks(old_content: previous_changes['description'].first,
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new_content: description)
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end
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##
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# Method that checks if issuable can be moved to another project.
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#
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# Should be overridden if issuable can be moved.
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#
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def can_move?(*)
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false
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end
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def record_metrics
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metrics = self.metrics || create_metrics
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metrics.record!
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end
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##
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# Override in issuable specialization
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#
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def first_contribution?
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false
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end
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end
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