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#pragma once
#include "platform/http_request.hpp"
#include "std/chrono.hpp"
#include "std/function.hpp"
#include "std/initializer_list.hpp"
#include "std/limits.hpp"
#include "std/string.hpp"
#include "std/unique_ptr.hpp"
#include "std/utility.hpp"
class BookingApi
{
string m_affiliateId;
string m_apiUrl;
public:
struct HotelPhotoUrls
{
string m_small;
string m_original;
};
struct HotelReview
{
HotelReview() = default;
// C++11 doesn't allow aggragate initialization for structs with default member initializer.
// But C++14 does.
HotelReview(string const & reviewPositive,
string const & reviewNegative,
string const & reviewNeutral,
string const & author,
string const & authorPictUrl,
float const rating,
time_point<system_clock> const date)
: m_reviewPositive(reviewPositive)
, m_reviewNegative(reviewNegative)
, m_reviewNeutral(reviewNeutral)
, m_author(author)
, m_authorPictUrl(authorPictUrl)
, m_rating(rating)
, m_date(date)
{
}
static HotelReview CriticReview(string const & reviewPositive,
string const & reviewNegative,
string const & author,
string const & authorPictUrl,
float const rating,
time_point<system_clock> const date)
{
return {
reviewPositive,
reviewNegative,
"",
author,
authorPictUrl,
rating,
date
};
}
static HotelReview NeutralReview(string const & reviewNeutral,
string const & author,
string const & authorPictUrl,
float const rating,
time_point<system_clock> const date)
{
return {
"",
"",
reviewNeutral,
author,
authorPictUrl,
rating,
date
};
}
static auto constexpr kInvalidRating = numeric_limits<float>::max();
/// Review text. There can be either one or both positive/negative review or
/// a neutral one.
string m_reviewPositive;
string m_reviewNegative;
string m_reviewNeutral;
/// Review author name.
string m_author;
/// Url to a author's picture.
string m_authorPictUrl;
/// Author's hotel evaluation.
float m_rating = kInvalidRating;
/// An issue date.
time_point<system_clock> m_date;
};
struct Facility
{
string m_id;
string m_localizedName;
};
struct HotelInfo
{
string m_hotelId;
string m_description;
vector<HotelPhotoUrls> m_photos;
vector<Facility> m_facilities;
vector<HotelReview> m_reviews;
};
static constexpr const char kDefaultCurrency[1] = {0};
BookingApi();
string GetBookingUrl(string const & baseUrl, string const & lang = string()) const;
string GetDescriptionUrl(string const & baseUrl, string const & lang = string()) const;
// Real-time information methods (used for retriving rapidly changing information).
// These methods send requests directly to Booking.
void GetMinPrice(string const & hotelId, string const & currency,
function<void(string const &, string const &)> const & fn);
// Static information methods (use for information that can be cached).
// These methods use caching server to prevent Booking from being ddossed.
void GetHotelInfo(string const & hotelId, string const & lang,
function<void(HotelInfo const & hotelInfo)> const & fn);
protected:
unique_ptr<downloader::HttpRequest> m_request;
string MakeApiUrl(string const & func, initializer_list<pair<string, string>> const & params);
};
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