debian-mirror-gitlab/app/services/snippets/bulk_destroy_service.rb

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2020-04-08 14:13:33 +05:30
# frozen_string_literal: true
module Snippets
class BulkDestroyService
include Gitlab::Allowable
attr_reader :current_user, :snippets
DeleteRepositoryError = Class.new(StandardError)
SnippetAccessError = Class.new(StandardError)
def initialize(user, snippets)
@current_user = user
@snippets = snippets
end
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def execute(options = {})
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return ServiceResponse.success(message: 'No snippets found.') if snippets.empty?
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user_can_delete_snippets! unless options[:hard_delete]
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attempt_delete_repositories!
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snippets.destroy_all # rubocop: disable Cop/DestroyAll
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ServiceResponse.success(message: 'Snippets were deleted.')
rescue SnippetAccessError
service_response_error("You don't have access to delete these snippets.", 403)
rescue DeleteRepositoryError
attempt_rollback_repositories
service_response_error('Failed to delete snippet repositories.', 400)
rescue
# In case the delete operation fails
attempt_rollback_repositories
service_response_error('Failed to remove snippets.', 400)
end
private
def user_can_delete_snippets!
allowed = DeclarativePolicy.user_scope do
snippets.find_each.all? { |snippet| user_can_delete_snippet?(snippet) }
end
raise SnippetAccessError unless allowed
end
def user_can_delete_snippet?(snippet)
can?(current_user, :admin_snippet, snippet)
end
def attempt_delete_repositories!
snippets.each do |snippet|
result = Repositories::DestroyService.new(snippet.repository).execute
raise DeleteRepositoryError if result[:status] == :error
end
end
def attempt_rollback_repositories
snippets.each do |snippet|
result = Repositories::DestroyRollbackService.new(snippet.repository).execute
log_rollback_error(snippet) if result[:status] == :error
end
end
def log_rollback_error(snippet)
Gitlab::AppLogger.error("Repository #{snippet.full_path} in path #{snippet.disk_path} could not be rolled back")
end
def service_response_error(message, http_status)
ServiceResponse.error(message: message, http_status: http_status)
end
end
end