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# frozen_string_literal: true
module Gitlab
module Suggestions
class SuggestionSet
attr_reader :suggestions
def initialize(suggestions)
@suggestions = suggestions
end
def project
first_suggestion.project
end
def branch
first_suggestion.branch
end
def valid?
error_message.nil?
end
def error_message
@error_message ||= _error_message
end
def actions
@actions ||= suggestions_per_file.map do |file_suggestion|
{
action: 'update',
file_path: file_suggestion.file_path,
content: file_suggestion.new_content
}
end
end
def file_paths
@file_paths ||= suggestions.map(&:file_path).uniq
end
private
def first_suggestion
suggestions.first
end
def suggestions_per_file
@suggestions_per_file ||= _suggestions_per_file
end
def _suggestions_per_file
suggestions
.group_by { |suggestion| suggestion.diff_file.file_path }
.map { |file_path, group| FileSuggestion.new(file_path, group) }
end
def _error_message
suggestions.each do |suggestion|
message = error_for_suggestion(suggestion)
return message if message
end
has_line_conflict = suggestions_per_file.any? do |file_suggestion|
file_suggestion.line_conflict?
end
if has_line_conflict
return _('Suggestions are not applicable as their lines cannot overlap.')
end
nil
end
def error_for_suggestion(suggestion)
unless suggestion.diff_file
return _('A file was not found.')
end
unless on_same_branch?(suggestion)
return _('Suggestions must all be on the same branch.')
end
unless suggestion.appliable?(cached: false)
return suggestion.inapplicable_reason(cached: false)
end
unless latest_source_head?(suggestion)
return _('A file has been changed.')
end
nil
end
def on_same_branch?(suggestion)
branch == suggestion.branch
end
# Checks whether the latest source branch HEAD matches with
# the position HEAD we're using to update the file content. Since
# the persisted HEAD is updated async (for MergeRequest),
# it's more consistent to fetch this data directly from the
# repository.
def latest_source_head?(suggestion)
suggestion.position.head_sha == suggestion.noteable.source_branch_sha
end
end
end
end
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