Added get methods to User class

include/Telegram/User.h

@@ -10,6 +10,11 @@ namespace Telegram {
   public:
     User(Json::Value);
 
+	Json::Int64 getId();
+	std::string getFirstName();
+	std::string getLastName();
+	std::string getUserName();
+
   private:
     Json::Int64 id;
     std::string first_name;

src/User.cc

@@ -1,5 +1,8 @@
 #include "Telegram/User.h"
 
+/**
+ * Constructor of class User
+ */
 Telegram::User::User(Json::Value json) {
 
   this->id = json["id"].asUInt64();
@@ -7,3 +10,24 @@ Telegram::User::User(Json::Value json) {
   this->last_name = json["last_name"].asString();
   this->username = json["username"].asString();
 }
+
+// Getter
+Json::Int64 Telegram::User::getId() {
+
+	return(this->id);
+}
+
+std::string Telegram::User::getFirstName() {
+
+	return(this->first_name);
+}
+
+std::string Telegram::User::getLastName() {
+
+	return(this->last_name);
+}
+
+std::string Telegram::User::getUserName() {
+
+	return(this->username);
+}