OOP Labs 4 Datotecen Sistem

#include<iostream>
#include<cstring>

using namespace std;

enum Extension{txt,pdf,exe};
class File {
private:
    char* ime;
    Extension ext;
    char* imeOwner;
    int golemina; //MB
public:
    File() {
        ime = NULL;
        imeOwner = NULL;
        ext = (Extension)0;
        golemina = 0;
    }
    File(char* ime, char* imeOwner, int golemina, Extension ext) {
        this->ime = new char[strlen(ime) + 1];
        strcpy(this->ime, ime);
        this->imeOwner = new char[strlen(imeOwner) + 1];
        strcpy(this->imeOwner, imeOwner);
        this->golemina = golemina;
        this->ext = ext;
    }
    File(const File& f) {
        this->ime = new char[strlen(f.ime) + 1];
        strcpy(this->ime, f.ime);
        this->imeOwner = new char[strlen(f.imeOwner) + 1];
        strcpy(this->imeOwner, f.imeOwner);
        this->golemina = f.golemina;
        this->ext = f.ext;
    }
    ~File() {
        delete[]ime;
        delete[]imeOwner;
    }
    File& operator=(const File& f) {
        if (this != &f) {
            delete[]ime;
            delete[]imeOwner;
            this->ime = new char[strlen(f.ime) + 1];
            strcpy(this->ime, f.ime);
            this->imeOwner = new char[strlen(f.imeOwner) + 1];
            strcpy(this->imeOwner, f.imeOwner);
            this->golemina = f.golemina;
            this->ext = f.ext;
        }
        return *this;
    }
    void print() {
        cout << "File name: " << ime << ".";
        if (ext == 0)
            cout << "pdf" << endl;
        else if (ext == 1)
            cout << "txt" << endl;
        else
            cout<<"exe"<<endl;
        cout << "File owner: " << imeOwner << endl;
        cout << "File size: " << golemina << endl;
    }
    bool equals(const File& that) {
        return((strcmp(ime, that.ime) == 0)&&ext == that.ext&&(strcmp(imeOwner, that.imeOwner) == 0));
    }
    bool equalsType(const File& that) {
        return((strcmp(ime, that.ime) == 0)&&ext == that.ext);
    }
};
class Folder {
private:
    char* ime;
    int brDatoteki;
    File* datoteki;
public:
    Folder() {
        ime = NULL;
        brDatoteki = 0;
        datoteki = NULL;
    }
    Folder(const char* ime) {
        this->ime = new char[strlen(ime) + 1];
        strcpy(this->ime, ime);
        this->brDatoteki = 0;
        this->datoteki = new File[brDatoteki];
        for (int i = 0; i < brDatoteki; i++) {
            this->datoteki[i] = datoteki[i];
        }
    }
    Folder(const Folder& f) {
        this->ime = new char[strlen(f.ime) + 1];
        strcpy(this->ime, f.ime);
        this->brDatoteki = f.brDatoteki;
        this->datoteki = new File [brDatoteki];
        for (int i = 0; i < brDatoteki; i++) {
            this->datoteki[i] = f.datoteki[i];
        }
    }
    Folder& operator=(const Folder& f) {
        if (this != &f) {
            delete[]ime;
            delete[]datoteki;
            this->ime = new char[strlen(f.ime) + 1];
            strcpy(this->ime, f.ime);
            this->brDatoteki = f.brDatoteki;
            this->datoteki = new File [brDatoteki];
            for (int i = 0; i < brDatoteki; i++) {
                this->datoteki[i] = f.datoteki[i];
            }
        }
        return *this;
    }
    ~Folder() {
        delete[]ime;
        delete[]datoteki;
    }
    void remove(const File& file) {
        int index = 0;
        for (int i = 0; i < brDatoteki; i++) {
            if (datoteki[i].equals(file)) {
                index = i;
                break;
            }
        }
        File* tmp = new File[brDatoteki - 1];
        for (int i = 0; i < brDatoteki; i++) {
            if (i == index) {
                continue;
            }
            tmp[i] = datoteki[i];
        }
        delete[]datoteki;
        datoteki = tmp;
        --brDatoteki;
    }
    void add(const File& file) {
        File* tmp = new File[brDatoteki + 1];
        for (int i = 0; i < brDatoteki; i++) {
            tmp[i] = datoteki[i];
        }
        tmp[brDatoteki++] = file;
        delete[]datoteki;
        datoteki = tmp;
    }
    void print() {
        cout << "Folder name: " << ime << endl;
        for (int i = 0; i < brDatoteki; i++) {
            datoteki[i].print();
        }
    }
};
int main() {
    char fileName[20];
    char fileOwner[20];
    int ext;
    int fileSize;

    int testCase;
    cin >> testCase;
    if (testCase == 1) {
        cout << "======= FILE CONSTRUCTORS AND = OPERATOR =======" << endl;
        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File created = File(fileName, fileOwner, fileSize, (Extension) ext);
        File copied = File(created);
        File assigned = created;

        cout << "======= CREATED =======" << endl;
        created.print();
        cout << endl;
        cout << "======= COPIED =======" << endl;
        copied.print();
        cout << endl;
        cout << "======= ASSIGNED =======" << endl;
        assigned.print();
    }
    else if (testCase == 2) {
        cout << "======= FILE EQUALS & EQUALS TYPE =======" << endl;
        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File first(fileName, fileOwner, fileSize, (Extension) ext);
        first.print();

        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File second(fileName, fileOwner, fileSize, (Extension) ext);
        second.print();

        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File third(fileName, fileOwner, fileSize, (Extension) ext);
        third.print();

        bool equals = first.equals(second);
        cout << "FIRST EQUALS SECOND: ";
        if (equals)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

        equals = first.equals(third);
        cout << "FIRST EQUALS THIRD: ";
        if (equals)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

        bool equalsType = first.equalsType(second);
        cout << "FIRST EQUALS TYPE SECOND: ";
        if (equalsType)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

        equalsType = second.equals(third);
        cout << "SECOND EQUALS TYPE THIRD: ";
        if (equalsType)
            cout << "TRUE" << endl;
        else
            cout << "FALSE" << endl;

    }
    else if (testCase == 3) {
        cout << "======= FOLDER CONSTRUCTOR =======" << endl;
        cin >> fileName;
        Folder folder(fileName);
        folder.print();

    }
    else if (testCase == 4) {
        cout << "======= ADD FILE IN FOLDER =======" << endl;
        char name[20];
        cin >> name;
        Folder folder(name);

        int iter;
        cin >> iter;

        while (iter > 0) {
            cin >> fileName;
            cin >> fileOwner;
            cin >> fileSize;
            cin >> ext;

            File file(fileName, fileOwner, fileSize, (Extension) ext);
            folder.add(file);
            iter--;
        }
        folder.print();
    }
    else {
        cout << "======= REMOVE FILE FROM FOLDER =======" << endl;
        char name[20];
        cin >> name;
        Folder folder(name);

        int iter;
        cin >> iter;

        while (iter > 0) {
            cin >> fileName;
            cin >> fileOwner;
            cin >> fileSize;
            cin >> ext;

            File file(fileName, fileOwner, fileSize, (Extension) ext);
            folder.add(file);
            iter--;
        }
        cin >> fileName;
        cin >> fileOwner;
        cin >> fileSize;
        cin >> ext;

        File file(fileName, fileOwner, fileSize, (Extension) ext);
        folder.remove(file);
        folder.print();
    }
    return 0;
}