gitlab-org--gitlab-foss/app/models/note.rb
2014-06-17 22:09:01 +03:00

322 lines
8.6 KiB
Ruby

# == Schema Information
#
# Table name: notes
#
# id :integer not null, primary key
# note :text
# noteable_type :string(255)
# author_id :integer
# created_at :datetime
# updated_at :datetime
# project_id :integer
# attachment :string(255)
# line_code :string(255)
# commit_id :string(255)
# noteable_id :integer
# system :boolean default(FALSE), not null
# st_diff :text
#
require 'carrierwave/orm/activerecord'
require 'file_size_validator'
class Note < ActiveRecord::Base
include Mentionable
default_value_for :system, false
attr_accessible :note, :noteable, :noteable_id, :noteable_type, :project_id,
:attachment, :line_code, :commit_id
attr_mentionable :note
belongs_to :project
belongs_to :noteable, polymorphic: true
belongs_to :author, class_name: "User"
delegate :name, to: :project, prefix: true
delegate :name, :email, to: :author, prefix: true
validates :note, :project, presence: true
validates :line_code, format: { with: /\A[a-z0-9]+_\d+_\d+\Z/ }, allow_blank: true
validates :attachment, file_size: { maximum: 10.megabytes.to_i }
validates :noteable_id, presence: true, if: ->(n) { n.noteable_type.present? && n.noteable_type != 'Commit' }
validates :commit_id, presence: true, if: ->(n) { n.noteable_type == 'Commit' }
mount_uploader :attachment, AttachmentUploader
# Scopes
scope :for_commit_id, ->(commit_id) { where(noteable_type: "Commit", commit_id: commit_id) }
scope :inline, ->{ where("line_code IS NOT NULL") }
scope :not_inline, ->{ where(line_code: [nil, '']) }
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) }
serialize :st_diff
before_create :set_diff, if: ->(n) { n.line_code.present? }
after_update :set_references
class << self
def create_status_change_note(noteable, project, author, status, source)
body = "_Status changed to #{status}#{' by ' + source.gfm_reference if source}_"
create({
noteable: noteable,
project: project,
author: author,
note: body,
system: true
}, without_protection: true)
end
# +noteable+ was referenced from +mentioner+, by including GFM in either +mentioner+'s description or an associated Note.
# Create a system Note associated with +noteable+ with a GFM back-reference to +mentioner+.
def create_cross_reference_note(noteable, mentioner, author, project)
note_options = {
project: project,
author: author,
note: "_mentioned in #{mentioner.gfm_reference}_",
system: true
}
if noteable.kind_of?(Commit)
note_options.merge!(noteable_type: 'Commit', commit_id: noteable.id)
else
note_options.merge!(noteable: noteable)
end
create(note_options, without_protection: true)
end
def create_milestone_change_note(noteable, project, author, milestone)
body = if milestone.nil?
'_Milestone removed_'
else
"_Milestone changed to #{milestone.title}_"
end
create({
noteable: noteable,
project: project,
author: author,
note: body,
system: true
}, without_protection: true)
end
def create_assignee_change_note(noteable, project, author, assignee)
body = assignee.nil? ? '_Assignee removed_' : "_Reassigned to @#{assignee.username}_"
create({
noteable: noteable,
project: project,
author: author,
note: body,
system: true
}, without_protection: true)
end
def discussions_from_notes(notes)
discussion_ids = []
discussions = []
notes.each do |note|
next if discussion_ids.include?(note.discussion_id)
# don't group notes for the main target
if !note.for_diff_line? && note.noteable_type == "MergeRequest"
discussions << [note]
else
discussions << notes.select do |other_note|
note.discussion_id == other_note.discussion_id
end
discussion_ids << note.discussion_id
end
end
discussions
end
def build_discussion_id(type, id, line_code)
[:discussion, type.try(:underscore), id, line_code].join("-").to_sym
end
# Determine whether or not a cross-reference note already exists.
def cross_reference_exists?(noteable, mentioner)
where(noteable_id: noteable.id, system: true, note: "_mentioned in #{mentioner.gfm_reference}_").any?
end
end
def commit_author
@commit_author ||=
project.users.find_by(email: noteable.author_email) ||
project.users.find_by(name: noteable.author_name)
rescue
nil
end
def find_diff
return nil unless noteable && noteable.diffs.present?
@diff ||= noteable.diffs.find do |d|
Digest::SHA1.hexdigest(d.new_path) == diff_file_index if d.new_path
end
end
def set_diff
# First lets find notes with same diff
# before iterating over all mr diffs
diff = Note.where(noteable_id: self.noteable_id, noteable_type: self.noteable_type, line_code: self.line_code).last.try(:diff)
diff ||= find_diff
self.st_diff = diff.to_hash if diff
end
def diff
@diff ||= Gitlab::Git::Diff.new(st_diff) if st_diff.respond_to?(:map)
end
def active?
# TODO: determine if discussion is outdated
# according to recent MR diff or not
true
end
def diff_file_index
line_code.split('_')[0]
end
def diff_file_name
diff.new_path if diff
end
def diff_old_line
line_code.split('_')[1].to_i
end
def diff_new_line
line_code.split('_')[2].to_i
end
def diff_line
return @diff_line if @diff_line
if diff
Gitlab::DiffParser.new(diff.diff.lines.to_a, diff.new_path)
.each do |full_line, type, line_code, line_new, line_old|
@diff_line = full_line if line_code == self.line_code
end
end
@diff_line
end
def discussion_id
@discussion_id ||= Note.build_discussion_id(noteable_type, noteable_id || commit_id, line_code)
end
# Returns true if this is a downvote note,
# otherwise false is returned
def downvote?
votable? && (note.start_with?('-1') ||
note.start_with?(':-1:') ||
note.start_with?(':thumbsdown:') ||
note.start_with?(':thumbs_down_sign:')
)
end
def for_commit?
noteable_type == "Commit"
end
def for_commit_diff_line?
for_commit? && for_diff_line?
end
def for_diff_line?
line_code.present?
end
def for_issue?
noteable_type == "Issue"
end
def for_merge_request?
noteable_type == "MergeRequest"
end
def for_merge_request_diff_line?
for_merge_request? && for_diff_line?
end
# override to return commits, which are not active record
def noteable
if for_commit?
project.repository.commit(commit_id)
else
super
end
# Temp fix to prevent app crash
# if note commit id doesn't exist
rescue
nil
end
# Returns true if this is an upvote note,
# otherwise false is returned
def upvote?
votable? && (note.start_with?('+1') ||
note.start_with?(':+1:') ||
note.start_with?(':thumbsup:') ||
note.start_with?(':thumbs_up_sign:')
)
end
def votable?
for_issue? || (for_merge_request? && !for_diff_line?)
end
# Mentionable override.
def gfm_reference
noteable.gfm_reference
end
# Mentionable override.
def local_reference
noteable
end
def noteable_type_name
if noteable_type.present?
noteable_type.downcase
end
end
# FIXME: Hack for polymorphic associations with STI
# For more information wisit http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html#label-Polymorphic+Associations
def noteable_type=(sType)
super(sType.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.where(target_id: self.id, target_type: 'Note').
order('id DESC').limit(100).
update_all(updated_at: Time.now)
end
def set_references
notice_added_references(project, author)
end
end