From d795a55637f25dce29ab1a4e9127de805c63432e Mon Sep 17 00:00:00 2001
From: sabudilovskiy <sabudilovskiy@yandex.ru>
Date: Tue, 17 Oct 2023 14:26:17 +0000
Subject: [PATCH] -

---
 src/openapi/base/holder.hpp                  | 50 ++++++++++++++
 src/openapi/base/reflective_uuid_fix.hpp     |  9 +++
 src/openapi/base/uuid_property.hpp           | 68 +++++++++++++++++++
 src/openapi/base/uuid_traits.hpp             | 12 ++++
 src/openapi/doc/serialize/uuid.hpp           | 18 +++++
 src/openapi/json/parse/base_property.hpp     | 25 +++++++
 src/openapi/json/serialize/base_property.hpp | 21 ++++++
 src/openapi/types/uuid_type.hpp              | 71 ++++++++++++++++++++
 src/utils/serialize/uuid/string.cpp          | 12 ++++
 src/utils/serialize/uuid/string.hpp          | 10 +++
 utests/openapi/http/uuid_request.cpp         | 71 ++++++++++++++++++++
 utests/openapi/http/uuid_response.cpp        | 71 ++++++++++++++++++++
 utests/openapi/json/parse/uuid.cpp           | 31 +++++++++
 utests/openapi/json/serialize/uuid.cpp       | 31 +++++++++
 14 files changed, 500 insertions(+)
 create mode 100644 src/openapi/base/holder.hpp
 create mode 100644 src/openapi/base/reflective_uuid_fix.hpp
 create mode 100644 src/openapi/base/uuid_property.hpp
 create mode 100644 src/openapi/base/uuid_traits.hpp
 create mode 100644 src/openapi/doc/serialize/uuid.hpp
 create mode 100644 src/openapi/json/parse/base_property.hpp
 create mode 100644 src/openapi/json/serialize/base_property.hpp
 create mode 100644 src/openapi/types/uuid_type.hpp
 create mode 100644 src/utils/serialize/uuid/string.cpp
 create mode 100644 src/utils/serialize/uuid/string.hpp
 create mode 100644 utests/openapi/http/uuid_request.cpp
 create mode 100644 utests/openapi/http/uuid_response.cpp
 create mode 100644 utests/openapi/json/parse/uuid.cpp
 create mode 100644 utests/openapi/json/serialize/uuid.cpp

diff --git a/src/openapi/base/holder.hpp b/src/openapi/base/holder.hpp
new file mode 100644
index 00000000..de5d6c8d
--- /dev/null
+++ b/src/openapi/base/holder.hpp
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <cstddef>
+#include <utils/constexpr_string.hpp>
+namespace openapi::traits
+{
+template <typename T>
+struct HolderField
+{
+    T value_{};
+    size_t counter_changes{};
+    void operator=(const T& t)
+    {
+        value_ = t;
+        counter_changes++;
+    }
+    T& operator()()
+    {
+        return value_;
+    }
+    const T& operator()() const
+    {
+        return value_;
+    }
+};
+
+template <>
+struct HolderField<utils::FixedString>
+{
+    utils::FixedString value_{};
+    size_t counter_changes{};
+    template <size_t Size>
+    constexpr void operator=(const utils::ConstexprString<Size>& t)
+    {
+        for (size_t index = 0; index < Size; index++)
+        {
+            value_[index] = t[index];
+        }
+        for (size_t index = Size; index < 256; index++)
+        {
+            value_[index] = '\0';
+        }
+        counter_changes++;
+    }
+    constexpr const utils::FixedString& operator()() const
+    {
+        return value_;
+    }
+};
+}  // namespace openapi::traits
diff --git a/src/openapi/base/reflective_uuid_fix.hpp b/src/openapi/base/reflective_uuid_fix.hpp
new file mode 100644
index 00000000..6f964a78
--- /dev/null
+++ b/src/openapi/base/reflective_uuid_fix.hpp
@@ -0,0 +1,9 @@
+#pragma once
+#include <boost/uuid/uuid.hpp>
+#include <openapi/base/reflective_checks.hpp>
+
+namespace openapi
+{
+template <>
+constexpr inline bool checks::is_reflective_v<boost::uuids::uuid> = false;
+}
diff --git a/src/openapi/base/uuid_property.hpp b/src/openapi/base/uuid_property.hpp
new file mode 100644
index 00000000..6e1bac72
--- /dev/null
+++ b/src/openapi/base/uuid_property.hpp
@@ -0,0 +1,68 @@
+#pragma once
+#include <boost/uuid/uuid.hpp>
+#include <compare>
+#include <openapi/base/property_base.hpp>
+
+namespace openapi
+{
+template <typename Traits>
+struct PropertyBase<boost::uuids::uuid, Traits>
+{
+    using value_type = boost::uuids::uuid;
+    using traits = Traits;
+
+    template <typename... Args>
+    PropertyBase(Args&&... args) : value(std::forward<Args>(args)...)
+    {
+    }
+
+    template <typename Arg>
+    PropertyBase(std::initializer_list<Arg> init_list)
+        : value(std::move(init_list))
+    {
+    }
+
+    std::partial_ordering operator<=>(
+        const PropertyBase<value_type, Traits>& r) const
+    {
+        return *this <=> r();
+    }
+    std::partial_ordering operator<=>(const value_type& r) const
+    {
+        if (value == r)
+        {
+            return std::partial_ordering::equivalent;
+        }
+        else
+            return std::partial_ordering::unordered;
+    }
+
+    bool operator==(const PropertyBase<value_type, Traits>& r) const = default;
+
+    template <class Arg>
+    value_type& operator=(Arg&& arg)
+    {
+        value = std::forward<Arg>(arg);
+        return value;
+    }
+    value_type& operator()()
+    {
+        return value;
+    }
+    const value_type& operator()() const
+    {
+        return value;
+    }
+    value_type value;
+};
+
+template <typename Traits>
+struct UuidProperty : PropertyBase<boost::uuids::uuid, Traits>
+{
+};
+
+template <typename Traits>
+struct Property<boost::uuids::uuid, Traits> : UuidProperty<Traits>
+{
+};
+}  // namespace openapi
diff --git a/src/openapi/base/uuid_traits.hpp b/src/openapi/base/uuid_traits.hpp
new file mode 100644
index 00000000..b2502098
--- /dev/null
+++ b/src/openapi/base/uuid_traits.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <openapi/base/named_traits.hpp>
+
+namespace openapi::traits
+{
+template <typename Traits>
+struct UuidHelperTraits : NamedHelperTraits<Traits>
+{
+};
+
+}  // namespace openapi::traits
diff --git a/src/openapi/doc/serialize/uuid.hpp b/src/openapi/doc/serialize/uuid.hpp
new file mode 100644
index 00000000..8ac9f41e
--- /dev/null
+++ b/src/openapi/doc/serialize/uuid.hpp
@@ -0,0 +1,18 @@
+#pragma once
+#include <openapi/base/uuid_property.hpp>
+#include <openapi/base/uuid_traits.hpp>
+#include <openapi/doc/serialize/base.hpp>
+
+namespace openapi
+{
+template <typename Traits>
+void Append(DocHelper doc_helper, std::type_identity<UuidProperty<Traits>> = {})
+{
+    constexpr traits::UuidHelperTraits<Traits> traits;
+    auto& field_node = doc_helper.cur_place;
+    if (!field_node.IsObject())
+        field_node = userver::formats::common::Type::kObject;
+    field_node["type"] = "string";
+    field_node["format"] = "uuid";
+}
+}  // namespace openapi
diff --git a/src/openapi/json/parse/base_property.hpp b/src/openapi/json/parse/base_property.hpp
new file mode 100644
index 00000000..ef4f887a
--- /dev/null
+++ b/src/openapi/json/parse/base_property.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <array>
+#include <boost/pfr.hpp>
+#include <boost/pfr/core.hpp>
+#include <exception>
+#include <openapi/base/named_traits.hpp>
+#include <openapi/base/property_base.hpp>
+#include <optional>
+#include <stdexcept>
+#include <string_view>
+#include <unordered_map>
+#include <userver/formats/json/value.hpp>
+#include <userver/formats/parse/to.hpp>
+#include <userver/utils/overloaded.hpp>
+#include <utils/constexpr_string.hpp>
+
+namespace userver::formats::parse
+{
+template <typename T>
+requires openapi::IsProperty<T> T Parse(const json::Value& item, To<T>)
+{
+    return T{item.As<typename T::value_type>()};
+}
+}  // namespace userver::formats::parse
diff --git a/src/openapi/json/serialize/base_property.hpp b/src/openapi/json/serialize/base_property.hpp
new file mode 100644
index 00000000..0b0fc222
--- /dev/null
+++ b/src/openapi/json/serialize/base_property.hpp
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <openapi/base/property_base.hpp>
+#include <string_view>
+#include <unordered_map>
+#include <userver/formats/json/value.hpp>
+#include <userver/formats/json/value_builder.hpp>
+#include <userver/formats/parse/to.hpp>
+#include <userver/utils/overloaded.hpp>
+#include <utils/constexpr_string.hpp>
+
+namespace openapi
+{
+template <typename T, typename Traits>
+userver::formats::json::Value Serialize(
+    const PropertyBase<T, Traits>& value,
+    userver::formats::serialize::To<userver::formats::json::Value> s)
+{
+    return Serialize(value(), s);
+}
+}  // namespace openapi
diff --git a/src/openapi/types/uuid_type.hpp b/src/openapi/types/uuid_type.hpp
new file mode 100644
index 00000000..90283751
--- /dev/null
+++ b/src/openapi/types/uuid_type.hpp
@@ -0,0 +1,71 @@
+#pragma once
+#include <openapi/base/holder.hpp>
+#include <openapi/base/named_traits.hpp>
+#include <openapi/base/preferences.hpp>
+#include <openapi/base/uuid_property.hpp>
+#include <string_view>
+#include <utils/compilers_macros.hpp>
+#include <utils/constexpr_string.hpp>
+
+namespace openapi
+{
+namespace detail
+{
+template <utils::ConstexprString Name>
+struct UuidTraits : NamedTraits<Name>
+{
+};
+
+struct UuidTraitsHolder
+{
+    traits::HolderField<utils::FixedString> name;
+};
+
+template <utils::ConstexprString value>
+void consteval Apply(UuidTraitsHolder& traits, preferences::Name<value>)
+{
+    traits.name = value;
+}
+
+template <typename T>
+void consteval Apply(UuidTraitsHolder&, const T&)
+{
+    STATIC_ASSERT_FALSE("You are used unknown option");
+}
+
+template <typename... Option>
+void consteval ApplyAll(UuidTraitsHolder& traits, Option... option)
+{
+    (Apply(traits, option), ...);
+}
+
+template <typename... Option>
+struct UuidHelper
+{
+    consteval static auto resolve_holder()
+    {
+        UuidTraitsHolder helper{};
+        ApplyAll(helper, Option{}...);
+        return helper;
+    }
+    consteval static auto resolve_traits()
+    {
+        constexpr UuidTraitsHolder traits = resolve_holder();
+        static_assert(traits.name.counter_changes <= 1,
+                      "Don't use more 1 Name in template args");
+        constexpr auto name = utils::MakeConstexprString<traits.name.value_>();
+        return UuidTraits<name>{};
+    }
+};
+
+template <typename... Option>
+using uuid_traits_helper_t = decltype(UuidHelper<Option...>::resolve_traits());
+}  // namespace detail
+
+namespace types
+{
+template <typename... Option>
+using Uuid = UuidProperty<detail::uuid_traits_helper_t<Option...>>;
+
+}
+}  // namespace openapi
diff --git a/src/utils/serialize/uuid/string.cpp b/src/utils/serialize/uuid/string.cpp
new file mode 100644
index 00000000..0652ab38
--- /dev/null
+++ b/src/utils/serialize/uuid/string.cpp
@@ -0,0 +1,12 @@
+#include "string.hpp"
+
+#include <boost/uuid/uuid_io.hpp>
+
+namespace userver::formats::serialize
+{
+std::string Serialize(const boost::uuids::uuid& value,
+                      userver::formats::serialize::To<std::string>)
+{
+    return to_string(value);
+}
+}  // namespace userver::formats::serialize
diff --git a/src/utils/serialize/uuid/string.hpp b/src/utils/serialize/uuid/string.hpp
new file mode 100644
index 00000000..caf42269
--- /dev/null
+++ b/src/utils/serialize/uuid/string.hpp
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <boost/uuid/uuid.hpp>
+#include <string>
+#include <userver/formats/serialize/to.hpp>
+namespace userver::formats::serialize
+{
+std::string Serialize(const boost::uuids::uuid& value,
+                      userver::formats::serialize::To<std::string>);
+}
diff --git a/utests/openapi/http/uuid_request.cpp b/utests/openapi/http/uuid_request.cpp
new file mode 100644
index 00000000..f0e2332b
--- /dev/null
+++ b/utests/openapi/http/uuid_request.cpp
@@ -0,0 +1,71 @@
+#include <gtest/gtest.h>
+
+#include <boost/lexical_cast.hpp>
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_io.hpp>
+#include <exception>
+#include <openapi/all.hpp>
+#include <string_view>
+#include <userver/formats/parse/boost_uuid.hpp>
+#include <userver/formats/parse/common_containers.hpp>
+#include <userver/utest/utest.hpp>
+#include <utils/parse/uuid/string.hpp>
+#include <utils/tests_macros.hpp>
+
+using namespace openapi::http;
+using namespace openapi::preferences;
+using namespace openapi::types;
+using namespace std::literals;
+
+namespace
+{
+struct SomeBody
+{
+    Uuid<Name<"some_uuid">> some_uuid;
+    Array<Uuid<>, Name<"some_array">> some_array;
+    auto operator<=>(const SomeBody&) const = default;
+};
+
+struct SomeRequest
+{
+    Header<boost::uuids::uuid, Name<"some_header">> some_header;
+    Cookie<boost::uuids::uuid, Name<"some_cookie">> some_cookie;
+    Body<SomeBody> some_body;
+    auto operator<=>(const SomeRequest&) const = default;
+};
+
+boost::uuids::uuid UUID(std::string_view sv)
+{
+    return boost::lexical_cast<boost::uuids::uuid>(sv);
+}
+
+}  // namespace
+
+UTEST(Openapi_http_request_parse, BasicUuid)
+{
+    TestRequest req;
+    req.body = R"(
+{
+    "some_uuid" : "2550a976-434f-4e9c-a5da-06fe0ddbfe5d",
+    "some_array" : ["6ee2dc21-7229-42b9-8fb9-39a49f38d836", "f757748c-03a8-4834-ad2c-e2fe9c03f1e7"]
+}
+    )";
+
+    req.headers["some_header"sv] = "6483030f-dcf7-4779-8fbe-e78113bec72e";
+    req.cookies["some_cookie"] = "314e672f-687c-4001-8df9-3be5d268a0b6";
+    auto info = MakeInfoFromRequest(req);
+    auto parsed = Parse(info, userver::formats::parse::To<SomeRequest>{});
+    // clang-format off
+    SomeRequest expected{
+        .some_header = {UUID("6483030f-dcf7-4779-8fbe-e78113bec72e")},
+        .some_cookie = {UUID("314e672f-687c-4001-8df9-3be5d268a0b6")},
+        .some_body = {SomeBody{
+            .some_uuid = {UUID("2550a976-434f-4e9c-a5da-06fe0ddbfe5d")},
+            .some_array = {}
+        }}
+    };
+    expected.some_body().some_array().emplace_back(Uuid<>{UUID("6ee2dc21-7229-42b9-8fb9-39a49f38d836")});
+    expected.some_body().some_array().emplace_back(Uuid<>{UUID("f757748c-03a8-4834-ad2c-e2fe9c03f1e7")});
+    // clang-format on
+    EXPECT_EQ(parsed, expected);
+}
diff --git a/utests/openapi/http/uuid_response.cpp b/utests/openapi/http/uuid_response.cpp
new file mode 100644
index 00000000..d97b22dd
--- /dev/null
+++ b/utests/openapi/http/uuid_response.cpp
@@ -0,0 +1,71 @@
+#include <gtest/gtest.h>
+
+#include <boost/lexical_cast.hpp>
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_io.hpp>
+#include <exception>
+#include <openapi/all.hpp>
+#include <openapi/http/base/response_info.hpp>
+#include <string_view>
+#include <userver/formats/serialize/boost_uuid.hpp>
+#include <userver/formats/serialize/common_containers.hpp>
+#include <userver/utest/utest.hpp>
+#include <utils/serialize/uuid/string.hpp>
+#include <utils/tests_macros.hpp>
+
+using namespace openapi::http;
+using namespace openapi::preferences;
+using namespace openapi::types;
+using namespace std::literals;
+
+namespace
+{
+struct SomeBodyResponse
+{
+    Uuid<Name<"some_string">> some_string;
+    Array<Uuid<>, Name<"some_array">> some_array;
+    auto operator<=>(const SomeBodyResponse&) const = default;
+};
+
+struct SomeResponse
+{
+    Body<SomeBodyResponse> some_body;
+    Header<boost::uuids::uuid, Name<"some_header">> some_header;
+    auto operator<=>(const SomeResponse&) const = default;
+};
+
+boost::uuids::uuid UUID(std::string_view sv)
+{
+    return boost::lexical_cast<boost::uuids::uuid>(sv);
+}
+
+}  // namespace
+
+UTEST(Openapi_http_response_serialize, BasicUuid)
+{
+    using Response200 = Resp<SomeResponse, 200>;
+    // clang-format off
+    Response200 resp{
+    SomeResponse{
+        .some_body = {
+            SomeBodyResponse
+            {
+                .some_string = {UUID("6483030f-dcf7-4779-8fbe-e78113bec72e")},
+                .some_array = {}
+            }
+        },
+        .some_header = {UUID("314e672f-687c-4001-8df9-3be5d268a0b6")}
+    }
+    };
+    resp().some_body().some_array().emplace_back(Uuid<>{UUID("6ee2dc21-7229-42b9-8fb9-39a49f38d836")});
+    resp().some_body().some_array().emplace_back(Uuid<>{UUID("f757748c-03a8-4834-ad2c-e2fe9c03f1e7")});
+    ResponseInfo expected{
+      .userver_code  = userver::server::http::HttpStatus::kOk,
+      .body = R"({"some_string":"6483030f-dcf7-4779-8fbe-e78113bec72e","some_array":["6ee2dc21-7229-42b9-8fb9-39a49f38d836","f757748c-03a8-4834-ad2c-e2fe9c03f1e7"]})",
+      .headers = {{"some_header", "314e672f-687c-4001-8df9-3be5d268a0b6"}},
+      .response_body_type = ResponseBodyType::kJson
+    };
+    // clang-format on
+    auto got = Serialize(resp, userver::formats::serialize::To<ResponseInfo>{});
+    EXPECT_TRUE(expected == got);
+}
diff --git a/utests/openapi/json/parse/uuid.cpp b/utests/openapi/json/parse/uuid.cpp
new file mode 100644
index 00000000..95721bfb
--- /dev/null
+++ b/utests/openapi/json/parse/uuid.cpp
@@ -0,0 +1,31 @@
+#include <gtest/gtest.h>
+
+#include <boost/lexical_cast.hpp>
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_io.hpp>
+#include <openapi/all.hpp>
+#include <stdexcept>
+#include <string_view>
+#include <userver/formats/parse/boost_uuid.hpp>
+#include <userver/utest/utest.hpp>
+#include <utils/constexpr_optional.hpp>
+#include <utils/constexpr_string.hpp>
+#include <utils/tests_macros.hpp>
+#include <vector>
+
+using namespace openapi;
+
+UTEST(Openapi_Json_Parse, BasicUuid)
+{
+    using Type = types::Uuid<>;
+    constexpr auto jsonString = R"(
+        {
+            "test" : "3dae9084-ec1a-4df4-92da-65f9f649e1f5"
+        }
+    )";
+    auto expected = Type{boost::lexical_cast<boost::uuids::uuid>(
+        "3dae9084-ec1a-4df4-92da-65f9f649e1f5")};
+    auto json = userver::formats::json::FromString(jsonString);
+    auto got = json["test"].As<Type>();
+    EXPECT_EQ(expected, got);
+}
diff --git a/utests/openapi/json/serialize/uuid.cpp b/utests/openapi/json/serialize/uuid.cpp
new file mode 100644
index 00000000..9a2df7e7
--- /dev/null
+++ b/utests/openapi/json/serialize/uuid.cpp
@@ -0,0 +1,31 @@
+#include <gtest/gtest.h>
+
+#include <boost/lexical_cast.hpp>
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_io.hpp>
+#include <exception>
+#include <openapi/all.hpp>
+#include <stdexcept>
+#include <string_view>
+#include <userver/formats/json/value_builder.hpp>
+#include <userver/formats/serialize/boost_uuid.hpp>
+#include <userver/utest/utest.hpp>
+#include <utility>
+#include <utils/constexpr_optional.hpp>
+#include <utils/constexpr_string.hpp>
+#include <utils/serialize/uuid/string.hpp>
+#include <utils/tests_macros.hpp>
+#include <vector>
+
+using namespace openapi::preferences;
+using namespace openapi::types;
+
+UTEST(Openapi_Json_Serialize, BasicUuud)
+{
+    using Serializable = Uuid<>;
+    Serializable serializable{boost::lexical_cast<boost::uuids::uuid>(
+        "3dae9084-ec1a-4df4-92da-65f9f649e1f5")};
+    userver::formats::json::ValueBuilder json{serializable};
+    auto json_text = ToString(json.ExtractValue());
+    EXPECT_EQ(json_text, "\"3dae9084-ec1a-4df4-92da-65f9f649e1f5\"");
+}