Файл Header.Cpp

#include "Header.h"

void Database::addEmployee() {

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

fout.open(a[db[i].department], ios::app, ios::binary);

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

fout.close();

}

}

void Database::showEmployees() {

string dep;

int buf = 0;

case2:

cout << "Enter the departament where you want to view employees" << endl;

cin >> dep;

for (auto iter{ a.cbegin() }; iter != a.cend(); ++iter) {

if (iter->first == dep) buf++;

}

if (buf == 0) {

cout << "No such department was found. Try entering another department" << endl;

goto case2;

}

vector<Employees> a;

for (int i = 0; i < db.size(); ++i) {

if (dep == db[i].department) {

a.push_back(db[i]);

}

}

Employees* b = new Employees[a.size()];

for (int i = 0; i < a.size(); ++i) {

b[i] = a[i];

}

for (int i = 0; i < a.size() - 1; i++) {

for (int j = 0; j < a.size() - i - 1; j++) {

if (b[j].name > b[j + 1].name)

swap(b[j], b[j + 1]);

}

}

for (int i = 0; i < a.size(); ++i) {

cout << b[i].name << " " << b[i].position << " " << b[i].year_of_birth << " " << b[i].salary << " " << b[i].employee_number << endl;

}

}

void Database::addEmployeeFromFile() {

string s = "C:\\adding.txt";

in.open(s);

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

Employees f;

in >> f.name;

in >> f.department;

in >> f.position;

in >> f.year_of_birth;

in >> f.salary;

in >> f.employee_number;

fout.open(a[f.department], ios::app, ios::binary);

fout << f.name << " " << f.department << " " << f.position << " " << f.year_of_birth << " " << f.salary << " " << f.employee_number << endl;

fout.close();

db.push_back(f);

}

in.close();

string f = "C:\\employees.txt";

fout.open(f);

for (int i = 0; i < db.size(); ++i) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

cout << "Employee was successfully added" << endl;

}

void Database::addEmployeeFromKeybord() {

Employees f;

cin >> f.name;

cin >> f.department;

cin >> f.position;

cin >> f.year_of_birth;

cin >> f.salary;

cin >> f.employee_number;

fout.open(a[f.department], ios::app, ios::binary);

fout << f.name << " " << f.department << " " << f.position << " " << f.year_of_birth << " " << f.salary << " " << f.employee_number << endl;

fout.close();

db.push_back(f);

string ff = "C:\\employees.txt";

fout.open(ff);

for (int i = 0; i < db.size(); ++i) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

cout << "Employee was successfully added" << endl;

}

void Database::modifySalaryFromKeybord() {

string dep;

int buf = 0;

case2:

cout << "Enter the departament you want to modify salary in" << endl;

cin >> dep;

for (auto iter{ a.cbegin() }; iter != a.cend(); ++iter) {

if (iter->first == dep) buf++;

}

if (buf == 0) {

cout << "No such department was found. Try entering another department" << endl;

goto case2;

}

string n;

int c;

cout << "Enter name and delta of salary" << endl;

cin >> n;

cin >> c;

string f = "C:\\employees.txt";

fout.open(f);

for (int i = 0; i < size - 1; ++i) {

if (db[i].department == dep && db[i].name == n) {

db[i].salary = db[i].salary + c;

}

}

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

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

fout.open(a[dep], ios::binary);

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

if (db[i].department == dep) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

}

fout.close();

cout << "Salary was successfully modified" << endl;

}

void Database::modifySalaryFromFile() {

string ff = "C:\\modify.txt";

string ss = "C:\\employees.txt";

char memory[1000];

in.open(ff);

int count1 = 0;

while (!in.eof()) {

count1++;

in.getline(memory, 1000);

}

in.close();

in.open(ff);

for (int i = 0; i < count1; ++i) {

Employees F1;

in >> F1.name;

in >> F1.department;

in >> F1.position;

in >> F1.year_of_birth;

in >> F1.salary;

in >> F1.employee_number;

for (int j = 0; j < size; ++j) {

if ((db[j].department == F1.department) && (db[j].name == F1.name)) {

db[j].salary = db[j].salary + F1.salary;

}

}

}

in.close();

fout.open(ss);

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

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

for (auto iter{ a.cbegin() }; iter != a.cend(); ++iter) {

fout.open(iter->second, ios::binary);

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

if (db[i].department == iter->first) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

}

fout.close();

}

cout << "Salary was successfully modified" << endl;

}

void Database::Search() {

cout << "Enter the department you want to do search in" << endl;

case2:

string dep;

cin >> dep;

int buf = 0;

for (auto iter{ a.cbegin() }; iter != a.cend(); ++iter) {

if (iter->first == dep) buf++;

}

if (buf == 0) {

cout << "No such department was found. Try entering another department" << endl;

goto case2;

}

int c = 9;

while (c != 0) {

case1:

cout << "\n\nEnter the number of variant you want to do search" << endl;

cout << "\n" <<

"|---------------------------------------------|\n"

"| MENU |\n"

"|---------------------------------------------|\n"

"| Position | 1 |\n"

"| Year of birth | 2 |\n"

"| Salary | 3 |\n"

"| Position and year of birth | 4 |\n"

"| Position and salary | 5 |\n"

"| Year of birth and salary | 6 |\n"

"| Position, year of birth and salary | 7 |\n"

"| Exit | 0 |\n"

"|---------------------------------------------|\n";

cin >> c;

switch (c)

{

case 1: {

cout << "Enter the position you want to find" << endl;

string pos;

int buf = 0;

cin >> pos;

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

if ((pos == db[i].position) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

}

if (buf == 0) {

cout << "Person with such position was not found" << endl;

}

goto case1;

}

case 2: {

cout << "Enter the year of birth you want to find" << endl;

int year;

int buf = 0;

cin >> year;

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

if ((year == db[i].year_of_birth) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

}

if (buf == 0) {

cout << "Person with such year of birth was not found" << endl;

}

goto case1;

}

case 3: {

cout << "Enter the salary you want to find" << endl;

int sal;

int buf = 0;

cin >> sal;

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

if ((sal == db[i].salary) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

}

if (buf == 0) {

cout << "Person with such salary was not found" << endl;

}

goto case1;

}

case 4: {

cout << "Enter the position and year of birth you want to find" << endl;

string pos;

int year;

int buf = 0;

cin >> pos;

cin >> year;

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

if ((pos == db[i].position) && (year == db[i].year_of_birth) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

}

if (buf == 0) {

cout << "Person with such position and year of birth was not found" << endl;

}

goto case1;

}

case 5: {

cout << "Enter the position and salary you want to find" << endl;

string pos;

int sal;

int buf = 0;

cin >> pos;

cin >> sal;

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

if ((pos == db[i].position) && (sal == db[i].salary) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

}

if (buf == 0) {

cout << "Person with such position and salary was not found" << endl;

}

goto case1;

}

case 6: {

cout << "Enter the year of birth and salary you want to find" << endl;

int year;

int sal;

int buf = 0;

cin >> year;

cin >> sal;

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

if ((year == db[i].year_of_birth) && (sal == db[i].salary) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

if (buf == 0) {

cout << "Person with such year of birth and salary was not found" << endl;

}

goto case1;

}

}

case 7: {

cout << "Enter the position, year of birth and salary you want to find" << endl;

string pos;

int year;

int sal;

int buf = 0;

cin >> pos;

cin >> year;

cin >> sal;

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

if ((pos == db[i].position) && (year == db[i].year_of_birth) && (sal == db[i].salary) && (dep == db[i].department)) {

cout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

buf++;

}

}

if (buf == 0) {

cout << "Person with such position, year of birth and salary was not found" << endl;

}

goto case1;

for (int i = 0; i < size - 1; ++i) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

fout.open(a[dep], ios::binary);

for (int i = 0; i < size - 1; ++i) {

if (db[i].department == dep) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

}

fout.close();

}

}

}

cout << "Employee was successfully found" << endl;

}

void Database::deletingFromKeybord() {

case1:

cout << "Enter the department you want to delete in" << endl;

string dep;

cin >> dep;

int buf = 0;

for (auto iter{ a.cbegin() }; iter != a.cend(); ++iter) {

if (iter->first == dep) buf++;

}

if (buf == 0) {

cout << "No such department was found. Try entering another department" << endl;

goto case1;

}

int c = 9;

while (c != 0) {

cout << "\n\nEnter the number of variant you want to do search" << endl;

cout << "\n" <<

"|---------------------------------------------|\n"

"| MENU |\n"

"|---------------------------------------------|\n"

"| Name | 1 |\n"

"| Position | 2 |\n"

"| Year of birth | 3 |\n"

"| Salary | 4 |\n"

"| Employee number | 5 |\n"

"| Exit | 0 |\n"

"|---------------------------------------------|\n";

cin >> c;

switch (c) {

case 1: {

cout << "Enter the name of employee you want to delete" << endl;

string n;

int buf = 0;

cin >> n;

for (int i = 0; i < db.size(); ++i) {

if (n == db[i].name && dep == db[i].department) {

db.erase(db.begin() + i);

buf++;

add2(dep);

}

}

if (buf == 0) {

cout << "Person with such name was not found" << endl;

}

goto case1;

}

case 2: {

cout << "Enter the position of employee you want to delete" << endl;

string pos;

int buf = 0;

cin >> pos;

for (int i = 0; i < db.size(); ++i) {

if (pos == db[i].position && dep == db[i].department) {

db.erase(db.begin() + i);

buf++;

add2(dep);

}

}

if (buf == 0) {

cout << "Person with such position was not found" << endl;

}

goto case1;

}

case 3: {

cout << "Enter the year of birth of employee you want to delete" << endl;

int year;

int buf = 0;

cin >> year;

for (int i = 0; i < db.size(); ++i) {

if (year == db[i].year_of_birth && dep == db[i].department) {

db.erase(db.begin() + i);

buf++;

add2(dep);

}

}

if (buf == 0) {

cout << "Person with such year of birth was not found" << endl;

}

goto case1;

}

case 4: {

cout << "Enter the salary of employee you want to delete" << endl;

int sal;

int buf = 0;

cin >> sal;

for (int i = 0; i < db.size(); ++i) {

if (sal == db[i].salary && dep == db[i].department) {

db.erase(db.begin() + i);

buf++;

add2(dep);

}

}

if (buf == 0) {

cout << "Person with such salary was not found" << endl;

}

goto case1;

}

case 5: {

cout << "Enter the employee number of employee you want to delete" << endl;

int num;

int buf = 0;

cin >> num;

for (int i = 0; i < db.size(); ++i) {

if (num == db[i].employee_number && dep == db[i].department) {

db.erase(db.begin() + i);

buf++;

add2(dep);

}

}

if (buf == 0) {

cout << "Person with such employee number was not found" << endl;

}

goto case1;

}

}

}

fout.open("C:\\employees.txt");

for (int i = 0; i < db.size(); ++i) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

fout.open(a[dep], ios::binary);

for (int i = 0; i < db.size(); ++i) {

if (db[i].department == dep) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

}

fout.close();

cout << "Employee was successfully deleted" << endl;

}

void Database::deletingFromFile() {

string del = "C:\\delete.txt";

string emp = "C:\\employees.txt";

char memory[1000];

in.open(del);

int count2 = 0;

while (!in.eof()) {

count2++;

in.getline(memory, 1000);

}

in.close();

in.open(del);

for (int i = 0; i < count2; ++i) {

Employees F1;

in >> F1.name;

in >> F1.department;

in >> F1.position;

in >> F1.year_of_birth;

in >> F1.salary;

in >> F1.employee_number;

for (int j = 0; j < db.size(); ++j) {

if ((db[j].department == F1.department) && (db[j].name == F1.name)) {

db.erase(db.begin() + j);

add2(F1.department);

}

}

}

in.close();

fout.open(emp);

for (int i = 0; i < db.size(); ++i) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

fout.close();

for (auto iter{ a.cbegin() }; iter != a.cend(); ++iter) {

fout.open(iter->second, ios::binary);

for (int i = 0; i < db.size(); ++i) {

if (db[i].department == iter->first) {

fout << db[i].name << " " << db[i].department << " " << db[i].position << " " << db[i].year_of_birth << " " << db[i].salary << " " << db[i].employee_number << endl;

}

}

fout.close();

}

cout << "Employee was successfully deleted" << endl;

}

bool cmp(pair<string, int>& a, pair<string, int>& b) {

return a.second < b.second;

}

void Database::Sort() {

typedef pair<string, int> Pair;

vector <Pair> vec;

for (auto& it : b) {

vec.push_back(it);

}

cout << vec[0].first;

sort(vec.begin(), vec.end(), cmp);

for (auto const& Pair : vec) {

cout << Pair.first << " " << Pair.second << endl;

}

cout << "Departments was successfully sorted" << endl;

}