feat: added id to model

include/models/person.hpp

@@ -5,10 +5,15 @@
 #include <string>
 
 class Person {
-public:
+private:
+  static unsigned int num_instances;
+  unsigned int id;
   std::string name;
   unsigned int age;
 
-  Person() = default;
-  Person(std::string name, unsigned int age) : name(name), age(age) {}
+public:
+  Person(std::string name, unsigned int age);
+  unsigned int getId() const;
+  std::string getName() const;
+  unsigned int getAge() const;
 };

include/services/person_service.hpp

@@ -7,13 +7,14 @@ class IPersonService {
 public:
   virtual void addPerson(const Person &person) = 0;
   virtual std::vector<Person> getAllPersons() = 0;
+  // virtual Person getPerson(unsigned int id) = 0;
 };
 
 class PersonService : public IPersonService {
 private:
   std::vector<Person> persons;
 
 public:
-  void addPerson(const Person &person);
-  std::vector<Person> getAllPersons();
+  void addPerson(const Person &person) override;
+  std::vector<Person> getAllPersons() override;
 };

src/models/person.cpp

@@ -0,0 +1,16 @@
+#include "../../include/models/person.hpp"
+
+unsigned int Person::num_instances = 0;
+
+Person::Person(std::string name, unsigned int age) {
+  this->name = name;
+  this->age = age;
+  this->id = num_instances;
+  this->num_instances++;
+}
+
+unsigned int Person::getId() const { return this->id; }
+
+std::string Person::getName() const { return this->name; }
+
+unsigned int Person::getAge() const { return this->age; }

src/serializers/person_serializer.cpp

@@ -2,8 +2,9 @@
 
 boost::json::object PersonSerializer::toJson(const Person &person) {
   boost::json::object obj;
-  obj["name"] = person.name;
-  obj["age"] = person.age;
+  obj["id"] = person.getId();
+  obj["name"] = person.getName();
+  obj["age"] = person.getAge();
   return obj;
 }