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/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/api_parameters.h"
#include "mongo/db/pipeline/expression_test_api_version.h"
namespace mongo {
REGISTER_TEST_EXPRESSION(_testApiVersion,
ExpressionTestApiVersion::parse,
AllowedWithApiStrict::kConditionally,
AllowedWithClientType::kAny);
ExpressionTestApiVersion::ExpressionTestApiVersion(ExpressionContext* const expCtx,
bool unstable,
bool deprecated)
: Expression(expCtx), _unstable(unstable), _deprecated(deprecated) {}
boost::intrusive_ptr<Expression> ExpressionTestApiVersion::parse(ExpressionContext* const expCtx,
BSONElement expr,
const VariablesParseState& vps) {
uassert(5161700,
"$_testApiVersion only supports an object as its argument",
expr.type() == BSONType::Object);
const BSONObj params = expr.embeddedObject();
uassert(5161701,
"$_testApiVersion only accepts an object with a single field.",
params.nFields() == 1);
bool unstableField = false;
bool deprecatedField = false;
auto field = params.firstElementFieldNameStringData();
if (field == kUnstableField) {
uassert(5161702, "unstable must be a boolean", params.firstElement().isBoolean());
unstableField = params.firstElement().boolean();
expCtx->exprUnstableForApiV1 = expCtx->exprUnstableForApiV1 || unstableField;
} else if (field == kDeprecatedField) {
uassert(5161703, "deprecated must be a boolean", params.firstElement().isBoolean());
deprecatedField = params.firstElement().boolean();
expCtx->exprDeprectedForApiV1 = expCtx->exprDeprectedForApiV1 || deprecatedField;
} else {
uasserted(5161704,
str::stream() << field << " is not a valid argument for $_testApiVersion");
}
const auto apiStrict =
expCtx->opCtx && APIParameters::get(expCtx->opCtx).getAPIStrict().value_or(false);
if (apiStrict && unstableField) {
uasserted(ErrorCodes::APIStrictError,
"Provided apiStrict is true with an unstable parameter.");
}
const auto apiDeprecated = expCtx->opCtx &&
APIParameters::get(expCtx->opCtx).getAPIDeprecationErrors().value_or(false);
if (apiDeprecated && deprecatedField) {
uasserted(ErrorCodes::APIDeprecationError,
"Provided apiDeprecatedErrors is true with a deprecated parameter.");
}
return new ExpressionTestApiVersion(expCtx, unstableField, deprecatedField);
}
Value ExpressionTestApiVersion::serialize(SerializationOptions options) const {
return Value(Document{{"$_testApiVersion",
Document{{"unstable", _unstable ? Value(_unstable) : Value()},
{"deprecated", _deprecated ? Value(_deprecated) : Value()}}}});
}
Value ExpressionTestApiVersion::evaluate(const Document& root, Variables* variables) const {
return Value(1);
}
} // namespace mongo
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