// our base demographics for all people

long long uid = 15131324134;

// return age by subtracting current year

int age(int year) { return year - dob.year; }

// get dob as a string (so dob.tostring())

string get_dob() {

return std::to_string(dob.month) + "/"

+ std::to_string(dob.day) + "/"

+ std::to_string(dob.year);

}

string get_full_name();

string get_firstname();

string get_lastname();

// struct for holding name

struct name {

string first;

char m_initial;

string last;

};

// struct for holding date

struct date {

int year = 1900;

int month = 1;

int day = 1;

};

date dob;

// split passed string into first middle and last and assign to struct

// return struct to be assigned in derived classes

name assign_name(string n) {

// to hold our return values and words

name to_return;

std::vector<string> words;

string word = "";

// loop through letters and add any with spaces delimiters (and last after)

for (const auto letter : n) {

if (letter != ' ') {

word += letter;

} else {

words.push_back(word);

word = "";

}

}

words.push_back(word);

// assign first then last and middle if availalbe - if not null middle

to_return.first = words[0];

if (words.size() > 2) {

to_return.m_initial = words[1][0];

to_return.last = words[2];

} else {

to_return.m_initial = ' ';

to_return.last = words[1];

}

return to_return;

}

name student_name;

Student() {}

Student(string n, long long id) {

student_name = assign_name(n);

uid = id;

}

// setter for dob

void set_dob(int day, int month, int year) {

dob.day = day;

dob.month = month;

dob.year = year;

}

string get_full_name() { return student_name.first + " " + student_name.m_initial + " " + student_name.last; }

string get_firstname() { return student_name.first; }

string get_lastname() { return student_name.last; }

const std::array<string,7> departments = {"admin", "admission", "ITS",

"maintenance", "security", "student services",

"library"};

name staff_name;

string department;

string verify_department(string chosen_d) {

// if department matches it returns the department else unknown

for (const auto d: departments) {

if (d == chosen_d) {

return d;

}

}

return "unknown";

}

Staff() {}

Staff(string n, long long id) {

staff_name = assign_name(n);

uid = id;

}

// using a function as a full member (no variable assigned)

string employee_type() {

if (department == "ITS" || department == "security" || department == "maintenance") {

return "support";

} else if (department == "library" || department == "student services") {

return "student support";

} else if (department == "admin" || department == "admission"){

return "admin";

} else {

return "unknown";

}

}

// getter and setters for the private variables

// setter for dob using string

void set_dob(string date, string delimiter = "/") {

// Whereas this parses a string and splits it into its numbers

// "1/1/11" is smallest date so if smaller just exit

// note - using Europe style will mess this up - d/m/yy

if (date.length() > 6) {

int start = 0;

int end = date.find(delimiter);

int dates[] = {0,0,0};

// so again - one could just loop until demlimiter and use same algo as words

// but I wanted to show the find/offset version here:

for (int i = 0; i < 3; i++) {

// using stoi (from string library) to cast our string to int

dates[i] = stoi(date.substr(start, end - start));

start = end + delimiter.size();

end = date.find(delimiter, start);

}

dob.month = dates[0];

dob.day = dates[1];

dob.year = dates[2];

}

}

// getter and setter for department (unknown if not a matching department passed)

void set_department(string d) { department = verify_department(d); }

string get_department() { return department; }

// getters for name (setter in Person)

string get_full_name() { return staff_name.first + " " + staff_name.m_initial + " " + staff_name.last; }

string get_firstname() { return staff_name.first; }

string get_lastname() { return staff_name.last; }