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

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# == Schema Information
#
# Table name: notes
#
# id :integer not null, primary key
# note :text
# noteable_type :string(255)
# author_id :integer
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# created_at :datetime not null
# updated_at :datetime not null
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# project_id :integer
# attachment :string(255)
# line_code :string(255)
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# commit_id :string(255)
# noteable_id :integer
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# st_diff :text
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# system :boolean default(FALSE), not null
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#
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require 'carrierwave/orm/activerecord'
require 'file_size_validator'
class Note < ActiveRecord::Base
include Mentionable
attr_accessible :note, :noteable, :noteable_id, :noteable_type, :project_id,
:attachment, :line_code, :commit_id
attr_mentionable :note
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belongs_to :project
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
delegate :name, :email, to: :author, prefix: true
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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 }
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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' }
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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 :inline, ->{ where("line_code IS NOT NULL") }
scope :not_inline, ->{ where(line_code: [nil, '']) }
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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) }
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serialize :st_diff
before_create :set_diff, if: ->(n) { n.line_code.present? }
def self.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 self.create_cross_reference_note(noteable, mentioner, author, project)
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create({
noteable: noteable,
commit_id: (noteable.sha if noteable.respond_to? :sha),
project: project,
author: author,
note: "_mentioned in #{mentioner.gfm_reference}_",
system: true
}, without_protection: true)
end
# Determine whether or not a cross-reference note already exists.
def self.cross_reference_exists?(noteable, mentioner)
where(noteable_id: noteable.id, system: true, note: "_mentioned in #{mentioner.gfm_reference}_").any?
end
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def commit_author
@commit_author ||=
project.users.find_by_email(noteable.author_email) ||
project.users.find_by_name(noteable.author_name)
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rescue
nil
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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
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end
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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
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def diff_file_index
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line_code.split('_')[0]
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end
def diff_file_name
diff.new_path if diff
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end
def diff_old_line
line_code.split('_')[1].to_i
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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).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
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def discussion_id
@discussion_id ||= [:discussion, noteable_type.try(:underscore), noteable_id || commit_id, line_code].join("-").to_sym
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end
# Returns true if this is a downvote note,
# otherwise false is returned
def downvote?
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votable? && (note.start_with?('-1') ||
note.start_with?(':-1:')
)
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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
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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_merge_request_diff_line?
for_merge_request? && for_diff_line?
end
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def for_wall?
noteable_type.blank?
end
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# override to return commits, which are not active record
def noteable
if for_commit?
project.repository.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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# Returns true if this is an upvote note,
# otherwise false is returned
def upvote?
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votable? && (note.start_with?('+1') ||
note.start_with?(':+1:')
)
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end
def votable?
for_issue? || (for_merge_request? && !for_diff_line?)
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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
else
"wall"
end
end
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# 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
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end