more on sellers

This commit is contained in:
Martin Brodbeck 2018-07-16 18:04:25 +02:00
parent a2ad2eb57d
commit 2812f582a1
7 changed files with 98 additions and 13 deletions

View File

@ -1,9 +1,12 @@
#include "marketplace.h"
#include "database.h"
#include <algorithm>
Marketplace::Marketplace()
{
auto seller = std::make_unique<Seller>("Max", "Mustermann");
seller->createUuid();
sellers_.push_back(std::move(seller));
}
@ -12,7 +15,20 @@ void Marketplace::storeToDb()
const std::string DB_PATH{"/tmp/kima2.db"};
Database db(DB_PATH);
db.init();
db.storeSellers(sellers_);
}
void Marketplace::loadFromDb() {}
std::vector<std::unique_ptr<Seller>>& Marketplace::getSellers() { return sellers_; }
int Marketplace::getNextSellerNo()
{
auto iter = std::max_element(
sellers_.begin(), sellers_.end(),
[](const std::unique_ptr<Seller>& a, const std::unique_ptr<Seller>& b) -> bool {
return a->getSellerNo() < b->getSellerNo();
});
return (*iter)->getSellerNo() + 1;
}

View File

@ -14,6 +14,7 @@ class Marketplace
void storeToDb();
void loadFromDb();
std::vector<std::unique_ptr<Seller>>& getSellers();
int getNextSellerNo();
private:
std::vector<std::unique_ptr<Seller>> sellers_;

View File

@ -15,5 +15,10 @@ MainWindow::MainWindow()
void MainWindow::on_actionEditSeller_triggered()
{
auto dialog = std::make_unique<SellerDialog>(this);
dialog->exec();
int retCode = dialog->exec();
if (retCode == QDialog::Accepted) {
marketplace_->storeToDb();
} else {
marketplace_->loadFromDb();
}
}

View File

@ -2,11 +2,34 @@
#include "mainwindow.h"
#include <QMessageBox>
SellerDialog::SellerDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(parent, f)
{
ui_.setupUi(this);
SellerModel* model = new SellerModel(
dynamic_cast<MainWindow*>(parent)->getMarketplace()->getSellers(), ui_.tableView);
SellerModel* model =
new SellerModel(dynamic_cast<MainWindow*>(parent)->getMarketplace(), ui_.tableView);
ui_.tableView->setModel(model);
ui_.tableView->setColumnHidden(0, true); // hide the uuid
connect(ui_.newButton, &QPushButton::clicked, this, &SellerDialog::on_newButton_clicked);
}
void SellerDialog::on_newButton_clicked()
{
ui_.tableView->model()->insertRows(ui_.tableView->model()->rowCount(), 1);
ui_.tableView->scrollToBottom();
}
void SellerDialog::accept()
{
Marketplace* market = dynamic_cast<MainWindow*>(parentWidget())->getMarketplace();
for (const auto& seller : market->getSellers()) {
if (seller->getFirstName().empty() || seller->getLastName().empty()) {
QMessageBox(QMessageBox::Icon::Critical, "Fehler",
"Bitte geben Sie bei jedem Verkäufer Vorname und Nachname an.",
QMessageBox::StandardButton::Ok, this).exec();
return;
}
}
QDialog::accept();
}

View File

@ -16,6 +16,8 @@ class SellerDialog : public QDialog
Qt::WindowFlags f = Qt::WindowTitleHint | Qt::WindowSystemMenuHint);
private:
void on_newButton_clicked();
virtual void accept() override;
Ui::SellerDialog ui_;
};

View File

@ -1,11 +1,18 @@
#include "sellermodel.h"
SellerModel::SellerModel(std::vector<std::unique_ptr<Seller>>& sellers, QObject* parent)
: QAbstractTableModel(parent), sellers_(&sellers)
#include <algorithm>
#include <QMessageBox>
SellerModel::SellerModel(Marketplace* market, QObject* parent)
: QAbstractTableModel(parent), marketplace_(market)
{
}
int SellerModel::rowCount(const QModelIndex& parent) const { return sellers_->size(); }
int SellerModel::rowCount(const QModelIndex& parent) const
{
return marketplace_->getSellers().size();
}
int SellerModel::columnCount(const QModelIndex& parent) const { return 5; }
@ -14,7 +21,7 @@ QVariant SellerModel::data(const QModelIndex& index, int role) const
if (role != Qt::DisplayRole)
return QVariant();
Seller* seller = sellers_->at(index.row()).get();
Seller* seller = marketplace_->getSellers().at(index.row()).get();
switch (index.column()) {
case 0:
return seller->getUuidAsString().c_str();
@ -62,18 +69,34 @@ Qt::ItemFlags SellerModel::flags(const QModelIndex& index) const
return QAbstractTableModel::flags(index) | Qt::ItemFlag::ItemIsEditable;
}
bool SellerModel::setData(const QModelIndex& index, const QVariant& value, int role) {
bool SellerModel::setData(const QModelIndex& index, const QVariant& value, int role)
{
if (role != Qt::EditRole)
return false;
Seller* seller = sellers_->at(index.row()).get();
Seller* seller = marketplace_->getSellers().at(index.row()).get();
switch (index.column()) {
case 0:
seller->setUuidFromString(value.toString().toStdString());
break;
case 1:
case 1: {
if (value.toInt() < 0)
return false;
auto iter =
std::find_if(marketplace_->getSellers().begin(), marketplace_->getSellers().end(),
[&value](const std::unique_ptr<Seller>& seller) {
return value.toInt() == seller->getSellerNo();
});
if (iter != marketplace_->getSellers().end()) {
/* QMessageBox(QMessageBox::Icon::Warning, "Fehler",
"Die Verkäufernummer muss eindeutig sein.", QMessageBox::StandardButton::Ok)
.exec(); */
return false;
}
seller->setSellerNo(value.toInt());
break;
}
case 2:
seller->setFirstName(value.toString().toStdString());
break;
@ -86,6 +109,20 @@ bool SellerModel::setData(const QModelIndex& index, const QVariant& value, int r
default:
return false;
}
if (seller->getState() == Seller::State::OK)
seller->setState(Seller::State::UPDATE);
dataChanged(index, index);
return true;
}
bool SellerModel::insertRows(int row, int count, const QModelIndex& parent)
{
beginInsertRows(parent, row, row + count - 1);
auto seller = std::make_unique<Seller>();
seller->createUuid();
seller->setSellerNo(marketplace_->getNextSellerNo());
marketplace_->getSellers().push_back(std::move(seller));
endInsertRows();
return true;
}

View File

@ -8,16 +8,17 @@
class SellerModel : public QAbstractTableModel
{
public:
explicit SellerModel(std::vector<std::unique_ptr<Seller>>& sellers, QObject* parent = nullptr);
explicit SellerModel(Marketplace* market, QObject* parent = nullptr);
virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
virtual Qt::ItemFlags flags(const QModelIndex& index) const override;
virtual bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
virtual bool insertRows(int row, int count, const QModelIndex& parent = QModelIndex()) override;
private:
std::vector<std::unique_ptr<Seller>>* sellers_;
Marketplace* marketplace_;
};
#endif