/*________________________________________ ElectronicEmail.hpp _______________________ */ #ifndef ELECTRONICEMAIL_HPP #define ELECTRONICEMAIL_HPP #include #include #include #include // strcopy() struct Correo { int registerIdentifier; char from[50]; char to[50]; char copyCarbon[50]; char blindCopyCarbon[50]; char subject[100]; char content[500]; /*Correo& operator = (const Correo& e) { registerIdentifier = e.registerIdentifier; strcpy(from, e.from); strcpy(to, e.to); strcpy(copyCarbon, e.copyCarbon); strcpy(blindCopyCarbon, e.blindCopyCarbon); strcpy(subject, e.subject); strcpy(content, e.content); return *this; }*/ bool operator > (const Correo& c) { std::cout << "dentro del operador > de la estructura \n"; std::cout << "from: " << from << "\n"; std::cout << "c.from: " << c.from << "\n"; return from > c.from; } bool operator >= (const Correo& c) { std::cout << "dentro del operador >= de la estructura \n"; std::cout << "from: " << from << "\n"; std::cout << "c.from: " << c.from << "\n"; return from >= c.from; } }; class ElectronicEmail { private: Correo email; // std::string usless; IF I UNCOMMENT THIS, SEARCH BY SENDER DOESN'T WORK. public: ElectronicEmail(); // Setters. void setRegisterIdentifier(int); //void setDate(const Correo&); //void setSendDate(const char*); //void setSendHour(const char*); void setFrom(const char*); void setTo(const char*); void setCopyCarbon(const char*); void setBlindCopyCarbon(const char*); void setSubject(const char*); void setContent(const char*); //void setIndex(int); // Getters. int getRegisterIdentifier(); //Date getDate(); //char* getSendDate(); //char* getSendHour(); char* getFrom(); char* getTo(); char* getCopyCarbon(); char* getBlindCopyCarbon(); char* getSubject(); char* getContent(); //int getIndex(); // Methods. void writeToFile(); void writeToFile(std::string path); void readEmail(); std::string toString(); }; #endif // ELECTRONICEMAIL_HPP /*_________________________________ ElectronicEmail.cpp ________________________________________*/ #include "Electronicemail.hpp" using namespace std; ElectronicEmail::ElectronicEmail() { } // Setters. void ElectronicEmail::setRegisterIdentifier(int id) { email.registerIdentifier = id; } //void ElectronicEmail::setDate(const Correo& d) { email.date = d; } //void ElectronicEmail::setSendDate(const char* date) { strcpy(email.sendDate, date); } //void ElectronicEmail::setSendHour(const char* hour) { strcpy(email.sendHour, hour); } void ElectronicEmail::setFrom(const char* f) { strcpy(email.from, f); } void ElectronicEmail::setTo(const char* t) { strcpy(email.to,t); } void ElectronicEmail::setCopyCarbon(const char* cc) { strcpy(email.copyCarbon, cc); } void ElectronicEmail::setBlindCopyCarbon(const char* bcc) { strcpy(email.blindCopyCarbon, bcc); } void ElectronicEmail::setSubject(const char* s) { strcpy(email.subject, s); } void ElectronicEmail::setContent(const char* c) { strcpy(email.content, c); } // Getters. int ElectronicEmail::getRegisterIdentifier() { return email.registerIdentifier; } //char* ElectronicEmail::getRegisterIdentifier() { return email.registerIdentifier; } //char* ElectronicEmail::getSendDate() { return email.sendDate; } //char* ElectronicEmail::getSendHour() { return email.sendHour; } //Date ElectronicEmail::getDate() { return email.date; } char* ElectronicEmail::getFrom() { return email.from; } char* ElectronicEmail::getTo() { return email.to; } char* ElectronicEmail::getCopyCarbon() { return email.copyCarbon; } char* ElectronicEmail::getBlindCopyCarbon() { return email.blindCopyCarbon; } char* ElectronicEmail::getSubject() { return email.subject; } char* ElectronicEmail::getContent() { return email.content; } // Methods. void ElectronicEmail::writeToFile() { ofstream outFile("../Data/data.txt", ios_base::binary| ios_base::out | ios_base::in); // If there's some error. if(outFile.fail()) { outFile.close(); throw "Could not open file.\n"; } outFile.seekp((getRegisterIdentifier() - 1) * sizeof(email), std::ios_base::beg); outFile.write((char*)&email, sizeof(email)); outFile.close(); } void ElectronicEmail::writeToFile(std::string path) { ofstream outFile(path, ios_base::binary| ios_base::out | ios_base::in); // If there's some error. if(outFile.fail()) { outFile.close(); throw "Could not open file.\n"; } outFile.seekp((getRegisterIdentifier() - 1) * sizeof(email), std::ios_base::beg); outFile.write((char*)&email, sizeof(email)); outFile.close(); } void ElectronicEmail::readEmail() { ifstream readFile("../Data/data.txt", ios::ios_base::in | ios::ios_base::binary); if(!readFile.good()) { readFile.close(); throw "Error reading\n"; } else if(readFile.is_open()) { // Direct access. readFile.seekg((getRegisterIdentifier() - 1) * sizeof(email), std::ios_base::beg); readFile.read((char*)&email, sizeof(email)); } readFile.close(); } std::string ElectronicEmail::toString() { string result; result += "ID: " + to_string(getRegisterIdentifier()); result += '\n'; result += "To: " + string(getTo()); result += '\n'; result += "From: " + string(getFrom()); result += '\n'; result += "CC: " + string(getCopyCarbon()); result += '\n'; result += "BCC: " + string(getBlindCopyCarbon()); result += '\n'; result += "Subject: " + string(getSubject()); result += '\n'; result += "Content: "; result += '\n'; result += string(getContent()); return result; } /*__________________________ readEMail.cpp __________________________________________________________ */ #include "ReadEmail.hpp" #include "ui_ReadEmailWindow.h" ReadEmailWindow::ReadEmailWindow(QWidget *parent) : QDialog(parent), ui(new Ui::ReadEmailWindow) { ui->setupUi(this); } ReadEmailWindow::~ReadEmailWindow() { delete ui; } void ReadEmailWindow::on_pushButtonSearch_clicked() { ElectronicEmail email; std::string emailInfo; QString str; int counter = 1; char* remitent; std::ifstream readFile("../Data/data.txt", std::ios_base::in | std::ios_base::binary); if(!readFile.good()) { readFile.close(); throw "Error reading"; } else if(readFile.is_open()) { // If both lineEdit are empty. if(ui->lineEditId->text().isEmpty() and ui->lineEditFrom->text().isEmpty()) { QMessageBox::information(this,"Warning","Enter an ID or the remitent"); } else if(!ui->lineEditId->text().isEmpty()){ // If the id field is not empty. int id; id = ui->lineEditId->text().toInt(); email.setRegisterIdentifier((id)); email.readEmail(); emailInfo = email.toString(); str = QString::fromStdString(emailInfo); ui->textBrowserShowEmail->setText(str); ui->lineEditId->clear(); } else { // If the from field is not empty. // Convert from QString to char* data type. QString qstr = ui->lineEditFrom->text(); QByteArray ba = qstr.toLatin1(); remitent = ba.data(); // If not at the end of the file, continue reading. while(!readFile.eof()) { // Will go to each byte. Secuentially. readFile.seekg((counter - 1) * sizeof(email), std::ios_base::beg); readFile.read((char*)&email, sizeof(email)); if(strcmp(remitent,email.getFrom()) == 0) { emailInfo = email.toString(); str = QString::fromStdString(emailInfo); ui->textBrowserShowEmail->setText(str); ui->lineEditFrom->clear(); } else { ui->lineEditFrom->clear(); } counter++; } } } readFile.close(); }

readEmail from a binary file