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class Discussion
NUMBER_OF_TRUNCATED_DIFF_LINES = 16
attr_reader :first_note, :last_note, :notes
delegate :created_at,
:project,
:author,
:noteable,
:for_commit?,
:for_merge_request?,
:line_code,
:diff_file,
:for_line?,
:active?,
to: :first_note
delegate :resolved_at,
:resolved_by,
to: :last_note
delegate :blob, :highlighted_diff_lines, to: :diff_file, allow_nil: true
def self.for_notes(notes)
notes.group_by(&:discussion_id).values.map { |notes| new(notes) }
end
def self.for_diff_notes(notes)
notes.group_by(&:line_code).values.map { |notes| new(notes) }
end
def initialize(notes)
@first_note = notes.first
@last_note = notes.last
@notes = notes
end
def id
first_note.discussion_id
end
def diff_discussion?
first_note.diff_note?
end
def legacy_diff_discussion?
notes.any?(&:legacy_diff_note?)
end
def resolvable?
diff_discussion? && notes.any?(&:resolvable?)
end
def resolved?
notes.none?(&:to_be_resolved?)
end
def to_be_resolved?
notes.any?(&:to_be_resolved?)
end
def can_resolve?(current_user)
return false unless current_user
return false unless resolvable?
current_user == self.noteable.author ||
can?(current_user, :push_code, self.project)
end
def resolve!(current_user)
notes.each do |note|
note.resolve!(current_user) if note.resolvable?
end
end
def unresolve!
notes.each do |note|
note.unresolve! if note.resolvable?
end
end
def for_target?(target)
self.noteable == target && !diff_discussion?
end
def expanded?
!diff_discussion? || active?
end
def reply_attributes
data = {
noteable_type: first_note.noteable_type,
noteable_id: first_note.noteable_id,
commit_id: first_note.commit_id,
discussion_id: self.id,
}
if diff_discussion?
data[:note_type] = first_note.type
data.merge!(first_note.diff_attributes)
end
data
end
# Returns an array of at most 16 highlighted lines above a diff note
def truncated_diff_lines
prev_lines = []
highlighted_diff_lines.each do |line|
if line.meta?
prev_lines.clear
else
prev_lines << line
break if for_line?(line)
prev_lines.shift if prev_lines.length >= NUMBER_OF_TRUNCATED_DIFF_LINES
end
end
prev_lines
end
end
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