From 26a441e07f3885dc8b3d9ef9b564eb4f5143bded Mon Sep 17 00:00:00 2001
From: Will Buerger <will.buerger@mongodb.com>
Date: Thu, 27 Apr 2023 18:47:01 +0000
Subject: SERVER-76367: Abstract request-specific shapifying logic into
 RequestShapifiers

---
 .../db/pipeline/aggregate_request_shapifier.cpp    | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/mongo/db/pipeline/aggregate_request_shapifier.cpp

(limited to 'src/mongo/db/pipeline/aggregate_request_shapifier.cpp')

diff --git a/src/mongo/db/pipeline/aggregate_request_shapifier.cpp b/src/mongo/db/pipeline/aggregate_request_shapifier.cpp
new file mode 100644
index 00000000000..74d9214cd65
--- /dev/null
+++ b/src/mongo/db/pipeline/aggregate_request_shapifier.cpp
@@ -0,0 +1,76 @@
+/**
+ *    Copyright (C) 2023-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/db/pipeline/aggregate_request_shapifier.h"
+
+#include "mongo/db/query/query_shape.h"
+
+namespace mongo::telemetry {
+
+BSONObj AggregateRequestShapifier::makeTelemetryKey(
+    const SerializationOptions& opts, const boost::intrusive_ptr<ExpressionContext>& expCtx) const {
+    BSONObjBuilder bob;
+
+    // TODO SERVER-76557 move actually pipeline serialization into query_shape
+    auto serializedPipeline = _pipeline.serializeToBson(opts);
+    bob.append("queryShape",
+               query_shape::extractQueryShape(_request, serializedPipeline, opts, expCtx));
+
+    // cursor
+    if (auto param = _request.getCursor().getBatchSize()) {
+        BSONObjBuilder cursorInfo = bob.subobjStart(AggregateCommandRequest::kCursorFieldName);
+        opts.appendLiteral(&cursorInfo,
+                           SimpleCursorOptions::kBatchSizeFieldName,
+                           static_cast<long long>(param.get()));
+        cursorInfo.done();
+    }
+
+    // maxTimeMS
+    if (auto param = _request.getMaxTimeMS()) {
+        opts.appendLiteral(&bob,
+                           AggregateCommandRequest::kMaxTimeMSFieldName,
+                           static_cast<long long>(param.get()));
+    }
+
+    // bypassDocumentValidation
+    if (auto param = _request.getBypassDocumentValidation()) {
+        opts.appendLiteral(
+            &bob, AggregateCommandRequest::kBypassDocumentValidationFieldName, bool(param.get()));
+    }
+
+    // TODO SERVER-73152 handle comment field
+
+    if (_applicationName.has_value()) {
+        // TODO SERVER-73152 don't serialize appName
+        bob.append("applicationName", opts.serializeIdentifier(_applicationName.value()));
+    }
+
+    return bob.obj();
+}
+}  // namespace mongo::telemetry
-- 
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