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#pragma once
#include "exceptions.h"
#include <Ice/Current.h>
#include <boost/lexical_cast.hpp>
#include <c++11Helpers.h>
#include <ctime>
#include <http.h>
#include <iosfwd>
#include <map>
#include <optional>
#include <slicer/modelParts.h>
#include <slicer/serializer.h>
#include <slicer/slicer.h>
#include <string>
#include <string_view>
#include <type_traits>
#include <utility>
#include <vector>
#include <visibility.h>
namespace IceSpider {
class Core;
class IRouteHandler;
struct Accept {
std::optional<std::string_view> group, type;
float q {1.0F};
};
using Accepted = std::vector<Accept>;
using PathElements = std::vector<std::string>;
using OptionalString = std::optional<std::string_view>;
using ContentTypeSerializer = std::pair<MimeType, Slicer::SerializerPtr>;
class DLL_PUBLIC IHttpRequest {
public:
explicit IHttpRequest(const Core *);
virtual ~IHttpRequest() = default;
SPECIAL_MEMBERS_DEFAULT_MOVE_NO_COPY(IHttpRequest);
[[nodiscard]] Ice::Context getContext() const;
[[nodiscard]] virtual const PathElements & getRequestPath() const = 0;
[[nodiscard]] virtual PathElements & getRequestPath() = 0;
[[nodiscard]] virtual HttpMethod getRequestMethod() const = 0;
[[nodiscard]] OptionalString getURLParam(const unsigned int &) const;
[[nodiscard]] virtual OptionalString getQueryStringParam(const std::string_view &) const = 0;
[[nodiscard]] virtual OptionalString getHeaderParam(const std::string_view &) const = 0;
[[nodiscard]] virtual OptionalString getCookieParam(const std::string_view &) const = 0;
[[nodiscard]] virtual OptionalString getEnv(const std::string_view &) const = 0;
[[nodiscard]] virtual bool isSecure() const = 0;
[[nodiscard]] static Accepted parseAccept(std::string_view);
[[nodiscard]] virtual Slicer::DeserializerPtr getDeserializer() const;
[[nodiscard]] virtual ContentTypeSerializer getSerializer(const IRouteHandler *) const;
[[nodiscard]] virtual std::istream & getInputStream() const = 0;
[[nodiscard]] virtual std::ostream & getOutputStream() const = 0;
virtual void setHeader(const std::string_view &, const std::string_view &) const = 0;
virtual std::ostream & dump(std::ostream & s) const = 0;
template<typename T, typename K>
[[nodiscard]] inline std::optional<T>
getFrom(const K & key, OptionalString (IHttpRequest::*src)(const K &) const) const
{
if (auto v = (this->*src)(key)) {
if constexpr (std::is_convertible<std::string_view, T>::value) {
return *v;
}
else if constexpr (std::is_constructible<std::string_view, T>::value) {
return T(*v);
}
else if constexpr (std::is_same<std::string, T>::value) {
return std::to_string(*v);
}
else {
try {
return boost::lexical_cast<T>(*v);
}
catch (const boost::bad_lexical_cast & e) {
throw Http400_BadRequest();
}
}
}
else {
return std::nullopt;
}
}
template<typename T>
[[nodiscard]] T
getURLParam(unsigned int n) const
{
return *getFrom<T, unsigned int>(n, &IHttpRequest::getURLParam);
}
template<typename T>
[[nodiscard]] std::optional<T>
getBody() const
{
return Slicer::DeserializeAnyWith<T>(getDeserializer());
}
template<typename T>
[[nodiscard]] std::optional<T>
getBodyParam(const std::optional<IceSpider::StringMap> & map, const std::string_view & key) const
{
if (!map) {
return {};
}
auto i = map->find(key);
if (i == map->end()) {
return {};
}
else {
return boost::lexical_cast<T>(i->second);
}
}
void responseRedirect(const std::string_view & url, const OptionalString & = {}) const;
void setCookie(const std::string_view &, const std::string_view &, const OptionalString & = {},
const OptionalString & = {}, bool = false, std::optional<time_t> = {});
template<typename T>
void
setCookie(const std::string_view & n, const T & v, const OptionalString & d, const OptionalString & p, bool s,
std::optional<time_t> e)
{
if constexpr (std::is_constructible<std::string_view, T>::value) {
setCookie(n, std::string_view(v), d, p, s, e);
}
else {
auto vs = boost::lexical_cast<std::string>(v);
setCookie(n, std::string_view(vs), d, p, s, e);
}
}
template<typename T>
[[nodiscard]] std::optional<T>
getQueryStringParam(const std::string_view & key) const
{
return getFrom<T, std::string_view>(key, &IHttpRequest::getQueryStringParam);
}
template<typename T>
[[nodiscard]] std::optional<T>
getHeaderParam(const std::string_view & key) const
{
return getFrom<T, std::string_view>(key, &IHttpRequest::getHeaderParam);
}
template<typename T>
[[nodiscard]] std::optional<T>
getCookieParam(const std::string_view & key) const
{
return getFrom<T, std::string_view>(key, &IHttpRequest::getCookieParam);
}
virtual void response(short, const std::string_view &) const = 0;
template<typename T>
void
response(const IRouteHandler * route, const T & t) const
{
modelPartResponse(route, Slicer::ModelPart::CreateRootFor(t));
}
void modelPartResponse(const IRouteHandler * route, const Slicer::ModelPartForRootPtr &) const;
const Core * core;
};
}
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