Address Book Class

address.cpp

//Address Book Demo Class

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

struct address
{
	unsigned int id;
	std::string firstname;
	std::string lastname;
	std::string phone;
};

class AddressBook{
private:
	std::vector<address> phonebook;
public:

	enum TSortOption{
		ByID = 0,
		ByFirstName = 1,
		ByLastname = 2
	};

	void sortByFirstName(TSortOption sort_type){
		address temp;
		unsigned len = phonebook.size();

		//Bubble sort
		for (unsigned int i = 0; i < len; i++){
			for (unsigned j = i + 1; j < len; j++){
				//sort by firstname
				if (sort_type == ByFirstName){
					if (phonebook[i].firstname[0] > phonebook[j].firstname[0]){
						temp = phonebook[j];
						phonebook[j] = phonebook[i];
						phonebook[i] = temp;
					}
				}
				//sort phone by lastname
				if (sort_type == ByLastname){
					if (phonebook[i].lastname[0] > phonebook[j].lastname[0]){
						temp = phonebook[j];
						phonebook[j] = phonebook[i];
						phonebook[i] = temp;
					}
				}
				//sort phone by id
				if (sort_type == ByID){
					if (phonebook[i].id > phonebook[i].id){
						temp = phonebook[j];
						phonebook[j] = phonebook[i];
						phonebook[i] = temp;
					}
				}
			}
		}
	}


	void RemoveByID(unsigned int id){
		//Remove phone book element by id
		for (auto it = phonebook.begin(); it != phonebook.end(); it++){
			if (it->id == id){
				it = phonebook.erase(it);
				break;
			}
		}
	}

	address at(unsigned id){
		//Return a phone book info by it
		if (id >= 0 && id <= phonebook.size()){
			return phonebook[id];
		}
		throw std::runtime_error("Record Not Found");
	}

	void RemoveByFirstName(std::string s){
		//Remove phone book element by Firstname
		for (auto it = phonebook.begin(); it != phonebook.end(); it++){
			if (it->firstname == s){
				it = phonebook.erase(it);
				break;
			}
		}
	}

	void edit(unsigned int id,
		std::string fname, std::string lname, std::string phone){
		//Edit a phone book element by id
		for (auto it = phonebook.begin(); it != phonebook.end(); it++){
			if (it->id == id){
				it->firstname = fname;
				it->lastname = lname;
				it->phone = phone;
				break;
			}
		}
	}

	address findById(unsigned int id){
		address tmp;
		//Find phone book by id
		for (auto it = phonebook.begin(); it != phonebook.end(); it++){
			if (it->id == id){
				return *it;
				break;
			}
		}
		return tmp;
	}

	void add(unsigned int id, std::string fname,
		std::string lname, std::string phone){
		//Add a new phone book details
		address details;
		details.id = id;
		details.firstname = fname;
		details.lastname = lname;
		details.phone = phone;
		//Add new phone book details to phonebook vector
		phonebook.push_back(details);
	}

	void print_book(void){
		//Print all the contents of the phone book
		std::cout << "-------------------------------------------" << std::endl;
		for (auto addr : phonebook){
			std::cout << "ID          : " << addr.id << std::endl;
			std::cout << "First Name  : " << addr.firstname << std::endl;
			std::cout << "Last  Name  : " << addr.lastname << std::endl;
			std::cout << "Phone       : " << addr.phone << std::endl;
			std::cout << "-------------------------------------------" << std::endl;
		}
	}

	unsigned int records(){
		//Return the number of records in the phone book
		return phonebook.size();
	}
	
	void clear(void){
		//Clear the phone book
		phonebook.clear();
	}
};



int main(){
	AddressBook people;
	//Tittle
	std::cout << ":: Phone Book ::" << std::endl;
	//Add phone book items.
	people.add(1, "Jack", "Brown", "25741 854229");
	people.add(2, "Pete", "Jones", "36587 526884");
	people.add(3, "John", "Jackson", "35741 965874");
	people.add(6, "Adam", "Jones", "2058 987425");

	people.print_book();

	//Edit Jacks first name and phone
	people.edit(1, "David", "Brown", "01352 815884");
	//Delete two records.
	people.RemoveByFirstName("Pete");
	people.RemoveByFirstName("John");
	std::cout << "Edit and delete by first name" << std::endl;
	people.print_book();
	std::cout << "Add two more records and sort" << std::endl;
	//Add records
	people.add(100, "Jay", "Tommas", "0800 658589");
	people.add(101, "Clair", "Jackson", "98747 254789");
	people.sortByFirstName(people.ByFirstName);
	//Display
	people.print_book();
	std::cout << "Find and print record by id" << std::endl;

	address f;

	f = people.findById(6);

	if (f.firstname != ""){
		std::cout << "Name: " << f.firstname << " Phone: " << f.phone << std::endl;
	}

	people.clear();
  
	return 0;
}