gitlab-org--gitlab-foss/app/models/note.rb

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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 < ActiveRecord::Base
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extend ActiveModel::Naming
include Gitlab::CurrentSettings
include Participable
include Mentionable
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include Awardable
include Importable
include FasterCacheKeys
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include CacheMarkdownField
include AfterCommitQueue
include ResolvableNote
include IgnorableColumn
include Editable
ignore_column :original_discussion_id
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cache_markdown_field :note, pipeline: :note, issuable_state_filter_enabled: true
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# Aliases to make application_helper#edited_time_ago_with_tooltip helper work properly with notes.
# See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10392/diffs#note_28719102
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alias_attribute :last_edited_at, :updated_at
alias_attribute :last_edited_by, :updated_by
# Attribute containing rendered and redacted Markdown as generated by
# Banzai::ObjectRenderer.
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attr_accessor :redacted_note_html
# An Array containing the number of visible references as generated by
# Banzai::ObjectRenderer
attr_accessor :user_visible_reference_count
# Attribute used to store the attributes that have ben changed by quick actions.
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attr_accessor :commands_changes
default_value_for :system, false
attr_mentionable :note, pipeline: :note
participant :author
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belongs_to :project
belongs_to :noteable, polymorphic: true, touch: true # rubocop:disable Cop/PolymorphicAssociations
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belongs_to :author, class_name: "User"
belongs_to :updated_by, class_name: "User"
belongs_to :last_edited_by, class_name: 'User'
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has_many :todos, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
has_many :events, as: :target, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
has_one :system_note_metadata
delegate :gfm_reference, :local_reference, to: :noteable
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delegate :name, to: :project, prefix: true
delegate :name, :email, to: :author, prefix: true
delegate :title, to: :noteable, allow_nil: true
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validates :note, presence: true
validates :project, presence: true, unless: :for_personal_snippet?
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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
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?, :for_personal_snippet?] 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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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) }
scope :system, ->{ where(system: true) }
scope :user, ->{ where(system: false) }
scope :common, ->{ where(noteable_type: ["", nil]) }
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scope :fresh, ->{ order(created_at: :asc, id: :asc) }
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scope :updated_after, ->(time){ where('updated_at > ?', time) }
scope :inc_author_project, ->{ includes(:project, :author) }
scope :inc_author, ->{ includes(:author) }
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scope :inc_relations_for_view, -> do
includes(:project, :author, :updated_by, :resolved_by, :award_emoji, :system_note_metadata)
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
# FYI noteable cannot be loaded for LegacyDiffNote for commits
includes(:author, :noteable, :updated_by,
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project: [:project_members, { group: [:group_members] }])
end
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after_initialize :ensure_discussion_id
before_validation :nullify_blank_type, :nullify_blank_line_code
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before_validation :set_discussion_id, on: :create
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after_save :keep_around_commit, unless: :for_personal_snippet?
after_save :expire_etag_cache
after_destroy :expire_etag_cache
class << self
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def model_name
ActiveModel::Name.new(self, nil, 'note')
end
def discussions(context_noteable = nil)
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Discussion.build_collection(all.includes(:noteable).fresh, context_noteable)
end
def find_discussion(discussion_id)
notes = where(discussion_id: discussion_id).fresh.to_a
return if notes.empty?
Discussion.build(notes)
end
def grouped_diff_discussions(diff_refs = nil)
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groups = {}
diff_notes.fresh.discussions.each do |discussion|
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line_code = discussion.line_code_in_diffs(diff_refs)
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if line_code
discussions = groups[line_code] ||= []
discussions << discussion
end
end
groups
end
def count_for_collection(ids, type)
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user.select('noteable_id', 'COUNT(*) as count')
.group(:noteable_id)
.where(noteable_type: type, noteable_id: ids)
end
end
def cross_reference?
system? && SystemNoteService.cross_reference?(note)
end
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def diff_note?
false
end
def active?
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true
end
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def max_attachment_size
current_application_settings.max_attachment_size.megabytes.to_i
end
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def hook_attrs
attributes
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end
def for_commit?
noteable_type == "Commit"
end
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def for_issue?
noteable_type == "Issue"
end
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def for_merge_request?
noteable_type == "MergeRequest"
end
def for_snippet?
noteable_type == "Snippet"
end
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def for_personal_snippet?
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noteable.is_a?(PersonalSnippet)
end
def skip_project_check?
for_personal_snippet?
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end
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# override to return commits, which are not active record
def noteable
if for_commit?
@commit ||= project.commit(commit_id)
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else
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super
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end
# Temp fix to prevent app crash
# 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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# FIXME: Hack for polymorphic associations with STI
# For more information visit http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html#label-Polymorphic+Associations
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 editable?
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!system?
end
def cross_reference_not_visible_for?(user)
cross_reference? && !has_referenced_mentionables?(user)
end
def has_referenced_mentionables?(user)
if user_visible_reference_count.present?
user_visible_reference_count > 0
else
referenced_mentionables(user).any?
end
end
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def award_emoji?
can_be_award_emoji? && contains_emoji_only?
end
def emoji_awardable?
!system?
end
def can_be_award_emoji?
noteable.is_a?(Awardable) && !part_of_discussion?
end
def contains_emoji_only?
note =~ /\A#{Banzai::Filter::EmojiFilter.emoji_pattern}\s?\Z/
end
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def to_ability_name
for_personal_snippet? ? 'personal_snippet' : noteable_type.underscore
end
def can_be_discussion_note?
self.noteable.supports_discussions? && !part_of_discussion?
end
def discussion_class(noteable = nil)
# When commit notes are rendered on an MR's Discussion page, they are
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# displayed in one discussion instead of individually.
# See also `#discussion_id` and `Discussion.override_discussion_id`.
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if noteable && noteable != self.noteable
OutOfContextDiscussion
else
IndividualNoteDiscussion
end
end
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# See `Discussion.override_discussion_id` for details.
def discussion_id(noteable = nil)
discussion_class(noteable).override_discussion_id(self) || super()
end
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# 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
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# 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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full_discussion = self.noteable.notes.find_discussion(self.discussion_id) if part_of_discussion?
full_discussion || to_discussion
end
def part_of_discussion?
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!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
end
private
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?
end
def ensure_discussion_id
return unless self.persisted?
# Needed in case the SELECT statement doesn't ask for `discussion_id`
return unless self.has_attribute?(:discussion_id)
return if self.discussion_id
set_discussion_id
update_column(:discussion_id, self.discussion_id)
end
def set_discussion_id
self.discussion_id ||= discussion_class.discussion_id(self)
end
def expire_etag_cache
return unless for_issue?
key = Gitlab::Routing.url_helpers.project_noteable_notes_path(
noteable.project,
target_type: noteable_type.underscore,
target_id: noteable.id
)
Gitlab::EtagCaching::Store.new.touch(key)
end
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end