559 lines
14 KiB
Ruby
559 lines
14 KiB
Ruby
# == Schema Information
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#
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# Table name: notes
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#
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# id :integer not null, primary key
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# note :text
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# noteable_type :string(255)
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# author_id :integer
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# created_at :datetime
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# updated_at :datetime
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# project_id :integer
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# attachment :string(255)
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# line_code :string(255)
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# commit_id :string(255)
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# noteable_id :integer
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# system :boolean default(FALSE), not null
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# st_diff :text
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#
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require 'carrierwave/orm/activerecord'
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require 'file_size_validator'
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class Note < ActiveRecord::Base
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include Mentionable
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default_value_for :system, false
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attr_mentionable :note
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belongs_to :project
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belongs_to :noteable, polymorphic: true
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belongs_to :author, class_name: "User"
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delegate :name, to: :project, prefix: true
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delegate :name, :email, to: :author, prefix: true
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validates :note, :project, presence: true
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validates :line_code, format: { with: /\A[a-z0-9]+_\d+_\d+\Z/ }, allow_blank: true
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validates :attachment, file_size: { maximum: 10.megabytes.to_i }
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validates :noteable_id, presence: true, if: ->(n) { n.noteable_type.present? && n.noteable_type != 'Commit' }
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validates :commit_id, presence: true, if: ->(n) { n.noteable_type == 'Commit' }
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mount_uploader :attachment, AttachmentUploader
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# Scopes
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scope :for_commit_id, ->(commit_id) { where(noteable_type: "Commit", commit_id: commit_id) }
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scope :inline, ->{ where("line_code IS NOT NULL") }
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scope :not_inline, ->{ where(line_code: [nil, '']) }
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scope :system, ->{ where(system: true) }
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scope :common, ->{ where(noteable_type: ["", nil]) }
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scope :fresh, ->{ order(created_at: :asc, id: :asc) }
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scope :inc_author_project, ->{ includes(:project, :author) }
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scope :inc_author, ->{ includes(:author) }
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serialize :st_diff
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before_create :set_diff, if: ->(n) { n.line_code.present? }
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after_update :set_references
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class << self
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def create_status_change_note(noteable, project, author, status, source)
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body = "_Status changed to #{status}#{' by ' + source.gfm_reference if source}_"
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create(
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noteable: noteable,
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project: project,
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author: author,
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note: body,
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system: true
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)
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end
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# +noteable+ was referenced from +mentioner+, by including GFM in either
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# +mentioner+'s description or an associated Note.
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# Create a system Note associated with +noteable+ with a GFM back-reference
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# to +mentioner+.
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def create_cross_reference_note(noteable, mentioner, author, project)
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gfm_reference = mentioner_gfm_ref(noteable, mentioner, project)
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note_options = {
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project: project,
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author: author,
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note: cross_reference_note_content(gfm_reference),
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system: true
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}
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if noteable.kind_of?(Commit)
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note_options.merge!(noteable_type: 'Commit', commit_id: noteable.id)
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else
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note_options.merge!(noteable: noteable)
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end
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create(note_options) unless cross_reference_disallowed?(noteable, mentioner)
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end
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def create_milestone_change_note(noteable, project, author, milestone)
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body = if milestone.nil?
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'_Milestone removed_'
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else
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"_Milestone changed to #{milestone.title}_"
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end
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create(
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noteable: noteable,
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project: project,
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author: author,
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note: body,
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system: true
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)
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end
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def create_assignee_change_note(noteable, project, author, assignee)
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body = assignee.nil? ? '_Assignee removed_' : "_Reassigned to @#{assignee.username}_"
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create({
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noteable: noteable,
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project: project,
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author: author,
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note: body,
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system: true
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})
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end
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def create_labels_change_note(noteable, project, author, added_labels, removed_labels)
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labels_count = added_labels.count + removed_labels.count
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added_labels = added_labels.map{ |label| "~#{label.id}" }.join(' ')
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removed_labels = removed_labels.map{ |label| "~#{label.id}" }.join(' ')
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message = ''
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if added_labels.present?
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message << "added #{added_labels}"
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end
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if added_labels.present? && removed_labels.present?
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message << ' and '
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end
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if removed_labels.present?
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message << "removed #{removed_labels}"
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end
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message << ' ' << 'label'.pluralize(labels_count)
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body = "_#{message.capitalize}_"
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create(
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noteable: noteable,
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project: project,
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author: author,
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note: body,
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system: true
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)
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end
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def create_new_commits_note(noteable, project, author, commits)
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commits_text = ActionController::Base.helpers.pluralize(commits.size, 'new commit')
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body = "Added #{commits_text}:\n\n"
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commits.each do |commit|
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message = "* #{commit.short_id} - #{commit.title}"
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body << message
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body << "\n"
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end
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create(
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noteable: noteable,
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project: project,
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author: author,
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note: body,
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system: true
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)
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end
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def discussions_from_notes(notes)
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discussion_ids = []
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discussions = []
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notes.each do |note|
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next if discussion_ids.include?(note.discussion_id)
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# don't group notes for the main target
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if !note.for_diff_line? && note.noteable_type == "MergeRequest"
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discussions << [note]
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else
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discussions << notes.select do |other_note|
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note.discussion_id == other_note.discussion_id
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end
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discussion_ids << note.discussion_id
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end
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end
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discussions
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end
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def build_discussion_id(type, id, line_code)
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[:discussion, type.try(:underscore), id, line_code].join("-").to_sym
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end
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# Determine if cross reference note should be created.
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# eg. mentioning a commit in MR comments which exists inside a MR
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# should not create "mentioned in" note.
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def cross_reference_disallowed?(noteable, mentioner)
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if mentioner.kind_of?(MergeRequest)
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mentioner.commits.map(&:id).include? noteable.id
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end
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end
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# Determine whether or not a cross-reference note already exists.
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def cross_reference_exists?(noteable, mentioner)
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gfm_reference = mentioner_gfm_ref(noteable, mentioner)
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notes = if noteable.is_a?(Commit)
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where(commit_id: noteable.id)
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else
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where(noteable_id: noteable.id)
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end
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notes.where('note like ?', cross_reference_note_content(gfm_reference)).
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system.any?
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end
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def search(query)
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where("note like :query", query: "%#{query}%")
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end
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def cross_reference_note_prefix
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'_mentioned in '
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end
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private
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def cross_reference_note_content(gfm_reference)
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cross_reference_note_prefix + "#{gfm_reference}_"
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end
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# Prepend the mentioner's namespaced project path to the GFM reference for
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# cross-project references. For same-project references, return the
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# unmodified GFM reference.
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def mentioner_gfm_ref(noteable, mentioner, project = nil)
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if mentioner.is_a?(Commit)
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if project.nil?
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return mentioner.gfm_reference.sub('commit ', 'commit %')
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else
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mentioning_project = project
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end
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else
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mentioning_project = mentioner.project
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end
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noteable_project_id = noteable_project_id(noteable, mentioning_project)
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full_gfm_reference(mentioning_project, noteable_project_id, mentioner)
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end
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# Return the ID of the project that +noteable+ belongs to, or nil if
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# +noteable+ is a commit and is not part of the project that owns
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# +mentioner+.
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def noteable_project_id(noteable, mentioning_project)
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if noteable.is_a?(Commit)
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if mentioning_project.repository.commit(noteable.id)
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# The noteable commit belongs to the mentioner's project
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mentioning_project.id
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else
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nil
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end
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else
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noteable.project.id
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end
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end
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# Return the +mentioner+ GFM reference. If the mentioner and noteable
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# projects are not the same, add the mentioning project's path to the
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# returned value.
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def full_gfm_reference(mentioning_project, noteable_project_id, mentioner)
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if mentioning_project.id == noteable_project_id
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mentioner.gfm_reference
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else
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if mentioner.is_a?(Commit)
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mentioner.gfm_reference.sub(
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/(commit )/,
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"\\1#{mentioning_project.path_with_namespace}@"
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)
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else
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mentioner.gfm_reference.sub(
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/(issue |merge request )/,
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"\\1#{mentioning_project.path_with_namespace}"
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)
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end
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end
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end
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end
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def commit_author
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@commit_author ||=
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project.team.users.find_by(email: noteable.author_email) ||
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project.team.users.find_by(name: noteable.author_name)
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rescue
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nil
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end
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def cross_reference?
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note.start_with?(self.class.cross_reference_note_prefix)
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end
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def find_diff
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return nil unless noteable && noteable.diffs.present?
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@diff ||= noteable.diffs.find do |d|
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Digest::SHA1.hexdigest(d.new_path) == diff_file_index if d.new_path
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end
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end
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def set_diff
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# First lets find notes with same diff
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# before iterating over all mr diffs
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diff = Note.where(noteable_id: self.noteable_id, noteable_type: self.noteable_type, line_code: self.line_code).last.try(:diff)
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diff ||= find_diff
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self.st_diff = diff.to_hash if diff
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end
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def diff
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@diff ||= Gitlab::Git::Diff.new(st_diff) if st_diff.respond_to?(:map)
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end
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# Check if such line of code exists in merge request diff
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# If exists - its active discussion
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# If not - its outdated diff
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def active?
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return true unless self.diff
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return false unless noteable
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noteable.diffs.each do |mr_diff|
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next unless mr_diff.new_path == self.diff.new_path
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lines = Gitlab::Diff::Parser.new.parse(mr_diff.diff.lines.to_a)
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lines.each do |line|
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if line.text == diff_line
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return true
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end
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end
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end
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false
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end
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def outdated?
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!active?
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end
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def diff_file_index
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line_code.split('_')[0] if line_code
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end
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def diff_file_name
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diff.new_path if diff
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end
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def file_path
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if diff.new_path.present?
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diff.new_path
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elsif diff.old_path.present?
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diff.old_path
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end
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end
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def diff_old_line
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line_code.split('_')[1].to_i if line_code
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end
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def diff_new_line
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line_code.split('_')[2].to_i if line_code
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end
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def generate_line_code(line)
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Gitlab::Diff::LineCode.generate(file_path, line.new_pos, line.old_pos)
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end
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def diff_line
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return @diff_line if @diff_line
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if diff
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diff_lines.each do |line|
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if generate_line_code(line) == self.line_code
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@diff_line = line.text
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end
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end
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end
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@diff_line
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end
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def diff_line_type
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return @diff_line_type if @diff_line_type
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if diff
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diff_lines.each do |line|
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if generate_line_code(line) == self.line_code
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@diff_line_type = line.type
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end
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end
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end
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@diff_line_type
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end
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def truncated_diff_lines
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max_number_of_lines = 16
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prev_match_line = nil
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prev_lines = []
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diff_lines.each do |line|
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if line.type == "match"
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prev_lines.clear
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prev_match_line = line
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else
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prev_lines << line
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break if generate_line_code(line) == self.line_code
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prev_lines.shift if prev_lines.length >= max_number_of_lines
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end
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end
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prev_lines
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end
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def diff_lines
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@diff_lines ||= Gitlab::Diff::Parser.new.parse(diff.diff.lines.to_a)
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end
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def discussion_id
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@discussion_id ||= Note.build_discussion_id(noteable_type, noteable_id || commit_id, line_code)
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end
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# Returns true if this is a downvote note,
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# otherwise false is returned
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def downvote?
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votable? && (note.start_with?('-1') ||
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note.start_with?(':-1:') ||
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note.start_with?(':thumbsdown:') ||
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note.start_with?(':thumbs_down_sign:')
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)
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end
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def for_commit?
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noteable_type == "Commit"
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end
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def for_commit_diff_line?
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for_commit? && for_diff_line?
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end
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def for_diff_line?
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line_code.present?
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end
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def for_issue?
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noteable_type == "Issue"
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end
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def for_merge_request?
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noteable_type == "MergeRequest"
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end
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def for_merge_request_diff_line?
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for_merge_request? && for_diff_line?
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end
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# override to return commits, which are not active record
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def noteable
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if for_commit?
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project.repository.commit(commit_id)
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else
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super
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end
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# Temp fix to prevent app crash
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# if note commit id doesn't exist
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rescue
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nil
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end
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# Returns true if this is an upvote note,
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# otherwise false is returned
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def upvote?
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votable? && (note.start_with?('+1') ||
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note.start_with?(':+1:') ||
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note.start_with?(':thumbsup:') ||
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note.start_with?(':thumbs_up_sign:')
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)
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end
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def superceded?(notes)
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return false unless vote?
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notes.each do |note|
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next if note == self
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if note.vote? &&
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self[:author_id] == note[:author_id] &&
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self[:created_at] <= note[:created_at]
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return true
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end
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end
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false
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end
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def vote?
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upvote? || downvote?
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end
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def votable?
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for_issue? || (for_merge_request? && !for_diff_line?)
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end
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# Mentionable override.
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def gfm_reference
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noteable.gfm_reference
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end
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# Mentionable override.
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def local_reference
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noteable
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end
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def noteable_type_name
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if noteable_type.present?
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noteable_type.downcase
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end
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end
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# FIXME: Hack for polymorphic associations with STI
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# For more information visit http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html#label-Polymorphic+Associations
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def noteable_type=(sType)
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super(sType.to_s.classify.constantize.base_class.to_s)
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end
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# Reset notes events cache
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#
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# Since we do cache @event we need to reset cache in special cases:
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# * when a note is updated
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# * when a note is removed
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# Events cache stored like events/23-20130109142513.
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# The cache key includes updated_at timestamp.
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# Thus it will automatically generate a new fragment
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# when the event is updated because the key changes.
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def reset_events_cache
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Event.reset_event_cache_for(self)
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end
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def set_references
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notice_added_references(project, author)
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end
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def editable?
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!read_attribute(:system)
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end
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end
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