JsonRequestHelper.h

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 #pragma once
 
 #include <string>
 #include <nlohmann/json.hpp>
 
 using json = nlohmann::json;
 
 class HttpRequest;
 
 class JsonRequestHelper
 {
 public:
     static json getJsonValue(const HttpRequest& req, const std::string& path);
 
     static bool hasField(const HttpRequest& req, const std::string& key);
 
     static std::string getString(const HttpRequest& req, const std::string& key);
 
     static int getInt(const HttpRequest& req, const std::string& key, int def = 0);
 
     static double getDouble(const HttpRequest& req, const std::string& key, double def = 0.0);
 
     static bool getBool(const HttpRequest& req, const std::string& key, bool def = false);
 
     static json getFullJson(const HttpRequest& req);
 
     static json getArray(const HttpRequest& req, const std::string& key);
 
     static json getObject(const HttpRequest& req, const std::string& key);
 
 private:
     static json parseJsonBody(const HttpRequest& req);
 };
 
#define JSON JsonRequestHelper