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

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class Note < ActiveRecord::Base
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extend ActiveModel::Naming
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include Gitlab::CurrentSettings
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include Participable
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include Mentionable
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default_value_for :system, false
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attr_mentionable :note, cache: true, pipeline: :note
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participant :author
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belongs_to :project
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belongs_to :noteable, polymorphic: true, touch: true
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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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has_many :todos, dependent: :destroy
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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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before_validation :set_award!
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validates :note, :project, presence: true
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validates :note, uniqueness: { scope: [:author, :noteable_type, :noteable_id] }, if: ->(n) { n.is_award }
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validates :note, inclusion: { in: Emoji.emojis_names }, if: ->(n) { n.is_award }
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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_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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validates :author, presence: true
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mount_uploader :attachment, AttachmentUploader
# Scopes
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scope :awards, ->{ where(is_award: true) }
scope :nonawards, ->{ where(is_award: false) }
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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) }
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scope :common, ->{ where(noteable_type: ["", nil]) }
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scope :fresh, ->{ order(created_at: :asc, id: :asc) }
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scope :inc_author_project, ->{ includes(:project, :author) }
scope :inc_author, ->{ includes(:author) }
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scope :legacy_diff_notes, ->{ where(type: 'LegacyDiffNote') }
scope :non_diff_notes, ->{ where(type: ['Note', nil]) }
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scope :with_associations, -> do
includes(:author, :noteable, :updated_by,
project: [:project_members, { group: [:group_members] }])
end
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before_validation :clear_blank_line_code!
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class << self
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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
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def discussions
all.group_by(&:discussion_id).values
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end
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def grouped_diff_notes
legacy_diff_notes.select(&:active?).sort_by(&:created_at).group_by(&:line_code)
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end
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# Searches for notes matching the given query.
#
# This method uses ILIKE on PostgreSQL and LIKE on MySQL.
#
# query - The search query as a String.
#
# Returns an ActiveRecord::Relation.
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def search(query)
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table = arel_table
pattern = "%#{query}%"
where(table[:note].matches(pattern))
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end
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def grouped_awards
notes = {}
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awards.select(:note).distinct.map do |note|
notes[note.note] = where(note: note.note)
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end
notes["thumbsup"] ||= Note.none
notes["thumbsdown"] ||= Note.none
notes
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end
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end
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def cross_reference?
system && SystemNoteService.cross_reference?(note)
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end
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def diff_note?
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false
end
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def legacy_diff_note?
false
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end
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def active?
true
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end
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def discussion_id
@discussion_id ||=
if for_merge_request?
[:discussion, :note, id].join("-")
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else
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self.class.build_discussion_id(noteable_type, noteable_id || commit_id)
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end
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end
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def max_attachment_size
current_application_settings.max_attachment_size.megabytes.to_i
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end
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def hook_attrs
attributes
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end
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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# override to return commits, which are not active record
def noteable
if for_commit?
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project.commit(commit_id)
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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
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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
# 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
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def downvote?
is_award && note == "thumbsdown"
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end
def upvote?
is_award && note == "thumbsup"
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end
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def editable?
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!system? && !is_award
end
def cross_reference_not_visible_for?(user)
cross_reference? && referenced_mentionables(user).empty?
end
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# Checks if note is an award added as a comment
#
# If note is an award, this method sets is_award to true
# and changes content of the note to award name.
#
# Method is executed as a before_validation callback.
#
def set_award!
return unless awards_supported? && contains_emoji_only?
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self.is_award = true
self.note = award_emoji_name
end
private
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def clear_blank_line_code!
self.line_code = nil if self.line_code.blank?
end
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def awards_supported?
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(for_issue? || for_merge_request?) && !diff_note?
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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]
AwardEmoji.normilize_emoji_name(original_name)
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end
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end