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class Note < ActiveRecord::Base
extend ActiveModel::Naming
include Gitlab::CurrentSettings
include Participable
include Mentionable
include Awardable
default_value_for :system, false
attr_mentionable :note, pipeline: :note
participant :author
belongs_to :project
belongs_to :noteable, polymorphic: true, touch: true
belongs_to :author, class_name: "User"
belongs_to :updated_by, class_name: "User"
has_many :todos, dependent: :destroy
delegate :gfm_reference, :local_reference, to: :noteable
delegate :name, to: :project, prefix: true
delegate :name, :email, to: :author, prefix: true
delegate :title, to: :noteable, allow_nil: true
validates :note, :project, presence: true
# Attachments are deprecated and are handled by Markdown uploader
validates :attachment, file_size: { maximum: :max_attachment_size }
validates :noteable_type, presence: true
validates :noteable_id, presence: true, unless: :for_commit?
validates :commit_id, presence: true, if: :for_commit?
validates :author, presence: true
validate unless: :for_commit? do |note|
unless note.noteable.try(:project) == note.project
errors.add(:invalid_project, 'Note and noteable project mismatch')
end
end
mount_uploader :attachment, AttachmentUploader
# Scopes
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]) }
scope :fresh, ->{ order(created_at: :asc, id: :asc) }
scope :inc_author_project, ->{ includes(:project, :author) }
scope :inc_author, ->{ includes(:author) }
scope :legacy_diff_notes, ->{ where(type: 'LegacyDiffNote') }
scope :non_diff_notes, ->{ where(type: ['Note', nil]) }
scope :with_associations, -> do
includes(:author, :noteable, :updated_by,
project: [:project_members, { group: [:group_members] }])
end
before_validation :clear_blank_line_code!
class << self
def model_name
ActiveModel::Name.new(self, nil, 'note')
end
def build_discussion_id(noteable_type, noteable_id)
[:discussion, noteable_type.try(:underscore), noteable_id].join("-")
end
def discussions
all.group_by(&:discussion_id).values
end
def grouped_diff_notes
legacy_diff_notes.select(&:active?).sort_by(&:created_at).group_by(&:line_code)
end
# Searches for notes matching the given query.
#
# This method uses ILIKE on PostgreSQL and LIKE on MySQL.
#
# query - The search query as a String.
# as_user - Limit results to those viewable by a specific user
#
# Returns an ActiveRecord::Relation.
def search(query, as_user: nil)
table = arel_table
pattern = "%#{query}%"
Note.joins('LEFT JOIN issues ON issues.id = noteable_id').
where(table[:note].matches(pattern)).
merge(Issue.visible_to_user(as_user))
end
end
def cross_reference?
system && SystemNoteService.cross_reference?(note)
end
def diff_note?
false
end
def legacy_diff_note?
false
end
def active?
true
end
def discussion_id
@discussion_id ||=
if for_merge_request?
[:discussion, :note, id].join("-")
else
self.class.build_discussion_id(noteable_type, noteable_id || commit_id)
end
end
def max_attachment_size
current_application_settings.max_attachment_size.megabytes.to_i
end
def hook_attrs
attributes
end
def for_commit?
noteable_type == "Commit"
end
def for_issue?
noteable_type == "Issue"
end
def for_merge_request?
noteable_type == "MergeRequest"
end
def for_snippet?
noteable_type == "Snippet"
end
# override to return commits, which are not active record
def noteable
if for_commit?
project.commit(commit_id)
else
super
end
# Temp fix to prevent app crash
# if note commit id doesn't exist
rescue
nil
end
# 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)
end
# Reset notes events cache
#
# Since we do cache @event we need to reset cache in special cases:
# * when a note is updated
# * when a note is removed
# Events cache stored like events/23-20130109142513.
# The cache key includes updated_at timestamp.
# Thus it will automatically generate a new fragment
# when the event is updated because the key changes.
def reset_events_cache
Event.reset_event_cache_for(self)
end
def editable?
!system?
end
def cross_reference_not_visible_for?(user)
cross_reference? && referenced_mentionables(user).empty?
end
def award_emoji?
award_emoji_supported? && contains_emoji_only?
end
def emoji_awardable?
!system?
end
def clear_blank_line_code!
self.line_code = nil if self.line_code.blank?
end
def award_emoji_supported?
noteable.is_a?(Awardable)
end
def contains_emoji_only?
note =~ /\A#{Banzai::Filter::EmojiFilter.emoji_pattern}\s?\Z/
end
def award_emoji_name
original_name = note.match(Banzai::Filter::EmojiFilter.emoji_pattern)[1]
Gitlab::AwardEmoji.normalize_emoji_name(original_name)
end
end
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