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

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# frozen_string_literal: true
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# A note on the root of an issue, merge request, commit, or snippet.
#
# A note of this type is never resolvable.
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class Note < ApplicationRecord
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extend ActiveModel::Naming
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include Gitlab::Utils::StrongMemoize
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include Participable
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include Mentionable
include Awardable
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include Importable
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include FasterCacheKeys
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include Redactable
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include CacheMarkdownField
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include AfterCommitQueue
include ResolvableNote
include Editable
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include Gitlab::SQL::Pattern
include ThrottledTouch
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include FromUnion
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include Sortable
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cache_markdown_field :note, pipeline: :note, issuable_state_filter_enabled: true
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redact_field :note
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TYPES_RESTRICTED_BY_ABILITY = {
branch: :download_code
}.freeze
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# Aliases to make application_helper#edited_time_ago_with_tooltip helper work properly with notes.
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# See https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/10392/diffs#note_28719102
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alias_attribute :last_edited_by, :updated_by
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# Attribute containing rendered and redacted Markdown as generated by
# Banzai::ObjectRenderer.
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attr_accessor :redacted_note_html
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# Total of all references as generated by Banzai::ObjectRenderer
attr_accessor :total_reference_count
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# Number of user visible references as generated by Banzai::ObjectRenderer
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attr_accessor :user_visible_reference_count
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# Attribute used to store the attributes that have been changed by quick actions.
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attr_accessor :commands_changes
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default_value_for :system, false
attr_mentionable :note, pipeline: :note
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participant :author
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belongs_to :project
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belongs_to :noteable, polymorphic: true # rubocop:disable Cop/PolymorphicAssociations
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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 :review, inverse_of: :notes
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has_many :todos
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# The delete_all definition is required here in order
# to generate the correct DELETE sql for
# suggestions.delete_all calls
has_many :suggestions, -> { order(:relative_order) },
inverse_of: :note, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
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has_many :events, as: :target, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
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has_one :system_note_metadata
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has_one :note_diff_file, inverse_of: :diff_note, foreign_key: :diff_note_id
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has_many :diff_note_positions
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delegate :gfm_reference, :local_reference, to: :noteable
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delegate :name, to: :project, prefix: true
delegate :name, :email, to: :author, prefix: true
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delegate :title, to: :noteable, allow_nil: true
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validates :note, presence: true
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validates :note, length: { maximum: Gitlab::Database::MAX_TEXT_SIZE_LIMIT }
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validates :project, presence: true, if: :for_project_noteable?
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# Attachments are deprecated and are handled by Markdown uploader
validates :attachment, file_size: { maximum: :max_attachment_size }
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validates :noteable_type, presence: true
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validates :noteable_id, presence: true, unless: [:for_commit?, :importing?]
validates :commit_id, presence: true, if: :for_commit?
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validates :author, presence: true
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validates :discussion_id, presence: true, format: { with: /\A\h{40}\z/ }
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validate unless: [:for_commit?, :importing?, :skip_project_check?] do |note|
unless note.noteable.try(:project) == note.project
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errors.add(:project, 'does not match noteable project')
end
end
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validate :does_not_exceed_notes_limit?, on: :create, unless: [:system?, :importing?]
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# @deprecated attachments are handler by the MarkdownUploader
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mount_uploader :attachment, AttachmentUploader
# Scopes
scope :for_commit_id, ->(commit_id) { where(noteable_type: "Commit", commit_id: commit_id) }
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scope :system, -> { where(system: true) }
scope :user, -> { where(system: false) }
scope :common, -> { where(noteable_type: ["", nil]) }
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scope :fresh, -> { order_created_asc.with_order_id_asc }
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scope :updated_after, ->(time) { where('updated_at > ?', time) }
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scope :with_updated_at, ->(time) { where(updated_at: time) }
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scope :with_suggestions, -> { joins(:suggestions) }
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scope :inc_author_project, -> { includes(:project, :author) }
scope :inc_author, -> { includes(:author) }
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scope :with_api_entity_associations, -> { preload(:note_diff_file, :author) }
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scope :inc_relations_for_view, -> do
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includes(:project, { author: :status }, :updated_by, :resolved_by, :award_emoji,
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{ system_note_metadata: :description_version }, :note_diff_file, :diff_note_positions, :suggestions)
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end
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scope :with_notes_filter, -> (notes_filter) do
case notes_filter
when UserPreference::NOTES_FILTERS[:only_comments]
user
when UserPreference::NOTES_FILTERS[:only_activity]
system
else
all
end
end
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scope :diff_notes, -> { where(type: %w(LegacyDiffNote DiffNote)) }
scope :new_diff_notes, -> { where(type: 'DiffNote') }
scope :non_diff_notes, -> { where(type: ['Note', 'DiscussionNote', nil]) }
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scope :with_associations, -> do
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# FYI noteable cannot be loaded for LegacyDiffNote for commits
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includes(:author, :noteable, :updated_by,
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project: [:project_members, :namespace, { group: [:group_members] }])
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end
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scope :with_metadata, -> { includes(:system_note_metadata) }
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scope :with_web_entity_associations, -> { preload(:project, :author, :noteable) }
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scope :for_note_or_capitalized_note, ->(text) { where(note: [text, text.capitalize]) }
scope :like_note_or_capitalized_note, ->(text) { where('(note LIKE ? OR note LIKE ?)', text, text.capitalize) }
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before_validation :nullify_blank_type, :nullify_blank_line_code
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after_save :keep_around_commit, if: :for_project_noteable?, unless: :importing?
after_save :expire_etag_cache, unless: :importing?
after_save :touch_noteable, unless: :importing?
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after_destroy :expire_etag_cache
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after_commit :notify_after_create, on: :create
after_commit :notify_after_destroy, on: :destroy
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class << self
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extend Gitlab::Utils::Override
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def model_name
ActiveModel::Name.new(self, nil, 'note')
end
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def discussions(context_noteable = nil)
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Discussion.build_collection(all.includes(:noteable).fresh, context_noteable)
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end
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# Note: Where possible consider using Discussion#lazy_find to return
# Discussions in order to benefit from having records batch loaded.
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def find_discussion(discussion_id)
notes = where(discussion_id: discussion_id).fresh.to_a
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return if notes.empty?
Discussion.build(notes)
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end
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# Group diff discussions by line code or file path.
# It is not needed to group by line code when comment is
# on an image.
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def grouped_diff_discussions(diff_refs = nil)
groups = {}
diff_notes.fresh.discussions.each do |discussion|
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group_key =
if discussion.on_image?
discussion.file_new_path
else
discussion.line_code_in_diffs(diff_refs)
end
if group_key
discussions = groups[group_key] ||= []
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discussions << discussion
end
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end
groups
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end
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def positions
where.not(position: nil)
.select(:id, :type, :position) # ActiveRecord needs id and type for typecasting.
.map(&:position)
end
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def count_for_collection(ids, type, count_column = 'COUNT(*) as count')
user.select(:noteable_id, count_column)
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.group(:noteable_id)
.where(noteable_type: type, noteable_id: ids)
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end
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def search(query)
fuzzy_search(query, [:note])
end
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# Override the `Sortable` module's `.simple_sorts` to remove name sorting,
# as a `Note` does not have any property that correlates to a "name".
override :simple_sorts
def simple_sorts
super.except('name_asc', 'name_desc')
end
def cherry_picked_merge_requests(shas)
where(noteable_type: 'MergeRequest', commit_id: shas).select(:noteable_id)
end
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end
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# rubocop: disable CodeReuse/ServiceClass
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def system_note_with_references?
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return unless system?
if force_cross_reference_regex_check?
matches_cross_reference_regex?
else
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::SystemNotes::IssuablesService.cross_reference?(note)
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end
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end
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# rubocop: enable CodeReuse/ServiceClass
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def diff_note?
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false
end
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def active?
true
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end
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def max_attachment_size
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Gitlab::CurrentSettings.max_attachment_size.megabytes.to_i
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end
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def hook_attrs
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Gitlab::HookData::NoteBuilder.new(self).build
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end
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def supports_suggestion?
false
end
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def for_commit?
noteable_type == "Commit"
end
def for_issue?
noteable_type == "Issue"
end
def for_merge_request?
noteable_type == "MergeRequest"
end
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def for_snippet?
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noteable_type == "Snippet"
end
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def for_alert_mangement_alert?
noteable_type == 'AlertManagement::Alert'
end
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def for_project_snippet?
noteable.is_a?(ProjectSnippet)
end
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def for_personal_snippet?
noteable.is_a?(PersonalSnippet)
end
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def for_project_noteable?
!for_personal_snippet?
end
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def for_design?
noteable_type == DesignManagement::Design.name
end
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def for_issuable?
for_issue? || for_merge_request?
end
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def skip_project_check?
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!for_project_noteable?
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end
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def commit
@commit ||= project.commit(commit_id) if commit_id.present?
end
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# Notes on merge requests and commits can be traced back to one or several
# MRs. This method returns a relation if the note is for one of these types,
# or nil if it is a note on some other object.
def merge_requests
if for_commit?
project.merge_requests.by_commit_sha(commit_id)
elsif for_merge_request?
MergeRequest.id_in(noteable_id)
else
nil
end
end
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# override to return commits, which are not active record
def noteable
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return commit if for_commit?
super
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rescue StandardError
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# Temp fix to prevent app crash
# if note commit id doesn't exist
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nil
end
# 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=(noteable_type)
super(noteable_type.to_s.classify.constantize.base_class.to_s)
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end
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def noteable_assignee_or_author?(user)
return false unless user
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return false unless noteable.respond_to?(:author_id)
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return noteable.assignee_or_author?(user) if [MergeRequest, Issue].include?(noteable.class)
noteable.author_id == user.id
end
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def contributor?
project&.team&.contributor?(self.author_id)
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end
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def noteable_author?(noteable)
return false unless ::Feature.enabled?(:show_author_on_note, project)
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noteable.author == self.author
end
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def project_name
project&.name
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end
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def confidential?(include_noteable: false)
return true if confidential
include_noteable && noteable.try(:confidential?)
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end
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def editable?
!system?
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end
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# We used `last_edited_at` as an alias of `updated_at` before.
# This makes it compatible with the previous way without data migration.
def last_edited_at
super || updated_at
end
# Since we used `updated_at` as `last_edited_at`, it could be touched by transforming / resolving a note.
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# This makes sure it is only marked as edited when the note body is updated.
def edited?
return false if updated_by.blank?
super
end
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# This method is to be used for checking read permissions on a note instead of `system_note_with_references_visible_for?`
def readable_by?(user)
# note_policy accounts for #system_note_with_references_visible_for?(user) check when granting read access
Ability.allowed?(user, :read_note, self)
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end
def award_emoji?
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can_be_award_emoji? && contains_emoji_only?
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end
def emoji_awardable?
!system?
end
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def can_be_award_emoji?
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noteable.is_a?(Awardable) && !part_of_discussion?
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end
def contains_emoji_only?
note =~ /\A#{Banzai::Filter::EmojiFilter.emoji_pattern}\s?\Z/
end
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def to_ability_name
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model_name.singular
end
def noteable_ability_name
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if for_snippet?
'snippet'
elsif for_alert_mangement_alert?
'alert_management_alert'
else
noteable_type.demodulize.underscore
end
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end
def can_be_discussion_note?
self.noteable.supports_discussions? && !part_of_discussion?
end
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def can_create_todo?
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# Skip system notes, and notes on snippets
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!system? && !for_snippet?
end
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def discussion_class(noteable = nil)
# When commit notes are rendered on an MR's Discussion page, they are
# displayed in one discussion instead of individually.
# See also `#discussion_id` and `Discussion.override_discussion_id`.
if noteable && noteable != self.noteable
OutOfContextDiscussion
else
IndividualNoteDiscussion
end
end
# See `Discussion.override_discussion_id` for details.
def discussion_id(noteable = nil)
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discussion_class(noteable).override_discussion_id(self) || super() || ensure_discussion_id
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end
# Returns a discussion containing just this note.
# This method exists as an alternative to `#discussion` to use when the methods
# we intend to call on the Discussion object don't require it to have all of its notes,
# and just depend on the first note or the type of discussion. This saves us a DB query.
def to_discussion(noteable = nil)
Discussion.build([self], noteable)
end
# Returns the entire discussion this note is part of.
# Consider using `#to_discussion` if we do not need to render the discussion
# and all its notes and if we don't care about the discussion's resolvability status.
def discussion
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strong_memoize(:discussion) do
full_discussion = self.noteable.notes.find_discussion(self.discussion_id) if part_of_discussion?
full_discussion || to_discussion
end
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end
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def start_of_discussion?
discussion.first_note == self
end
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def part_of_discussion?
!to_discussion.individual_note?
end
def in_reply_to?(other)
case other
when Note
if part_of_discussion?
in_reply_to?(other.noteable) && in_reply_to?(other.to_discussion)
else
in_reply_to?(other.noteable)
end
when Discussion
self.discussion_id == other.id
when Noteable
self.noteable == other
else
false
end
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end
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def references
refs = [noteable]
if part_of_discussion?
refs += discussion.notes.take_while { |n| n.id < id }
end
refs
end
def expire_etag_cache
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noteable&.expire_note_etag_cache
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end
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def touch(*args, **kwargs)
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# We're not using an explicit transaction here because this would in all
# cases result in all future queries going to the primary, even if no writes
# are performed.
#
# We touch the noteable first so its SELECT query can run before our writes,
# ensuring it runs on a secondary (if no prior write took place).
touch_noteable
super
end
# By default Rails will issue an "SELECT *" for the relation, which is
# overkill for just updating the timestamps. To work around this we manually
# touch the data so we can SELECT only the columns we need.
def touch_noteable
# Commits are not stored in the DB so we can't touch them.
return if for_commit?
assoc = association(:noteable)
noteable_object =
if assoc.loaded?
noteable
else
# If the object is not loaded (e.g. when notes are loaded async) we
# _only_ want the data we actually need.
assoc.scope.select(:id, :updated_at).take
end
noteable_object&.touch
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# We return the noteable object so we can re-use it in EE for Elasticsearch.
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noteable_object
end
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def notify_after_create
noteable&.after_note_created(self)
end
def notify_after_destroy
noteable&.after_note_destroyed(self)
end
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def banzai_render_context(field)
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super.merge(noteable: noteable, system_note: system?, label_url_method: noteable_label_url_method)
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end
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def retrieve_upload(_identifier, paths)
Upload.find_by(model: self, path: paths)
end
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def resource_parent
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project
end
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def user_mentions
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return Note.none unless noteable.present?
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noteable.user_mentions.where(note: self)
end
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def system_note_with_references_visible_for?(user)
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return true unless system?
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(!system_note_with_references? || all_referenced_mentionables_allowed?(user)) && system_note_viewable_by?(user)
end
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def parent_user
noteable.author if for_personal_snippet?
end
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def skip_notification?
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review.present? || !author.can_trigger_notifications?
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end
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private
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# Using this method followed by a call to *save* may result in *ActiveRecord::RecordNotUnique* exception
# in a multi-threaded environment. Make sure to use it within a *safe_ensure_unique* block.
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def model_user_mention
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return if user_mentions.is_a?(ActiveRecord::NullRelation)
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user_mentions.first_or_initialize
end
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def system_note_viewable_by?(user)
return true unless system_note_metadata
restriction = TYPES_RESTRICTED_BY_ABILITY[system_note_metadata.action.to_sym]
return Ability.allowed?(user, restriction, project) if restriction
true
end
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def keep_around_commit
project.repository.keep_around(self.commit_id)
end
def nullify_blank_type
self.type = nil if self.type.blank?
end
def nullify_blank_line_code
self.line_code = nil if self.line_code.blank?
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end
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def ensure_discussion_id
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return if self.attribute_present?(:discussion_id)
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self.discussion_id = derive_discussion_id
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end
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def derive_discussion_id
discussion_class.discussion_id(self)
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end
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def all_referenced_mentionables_allowed?(user)
if user_visible_reference_count.present? && total_reference_count.present?
# if they are not equal, then there are private/confidential references as well
user_visible_reference_count > 0 && user_visible_reference_count == total_reference_count
else
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refs = all_references(user)
refs.all.any? && refs.stateful_not_visible_counter == 0
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end
end
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def force_cross_reference_regex_check?
return unless system?
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system_note_metadata&.cross_reference_types&.include?(system_note_metadata&.action)
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end
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def does_not_exceed_notes_limit?
return unless noteable
errors.add(:base, _('Maximum number of comments exceeded')) if noteable.notes.count >= Noteable::MAX_NOTES_LIMIT
end
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def noteable_label_url_method
for_merge_request? ? :project_merge_requests_url : :project_issues_url
end
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end
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Note.prepend_mod_with('Note')