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/*
* database.cpp is a part of ProductInventory
* An inventory system designed for makeup and related things
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "productinventory.h"
#include "ui_productinventory.h"
/*!
* connect to database
* \return connect success or fail
*/
bool
ProductInventory::dbConnect()
{
db.setHostName(ui->HostInput->text());
db.setPort(ui->portInput->value());
db.setDatabaseName(ui->databaseInput->text());
db.setUserName(ui->usernameInput->text());
db.setPassword(ui->passwordInput->text());
bool status = db.open();
if (status)
{
isConnected = true;
conStatus = "Connected";
conColor = "darkgreen";
statusMessage("", 0);
ui->connectButton->setText("Disconnect");
return true;
}
qDebug() << "sql connection failed:" << db.lastError().text();
genericMessageBox(db.lastError().text(), "server error");
return false;
}
/*!
* disconnect from database
* \return disconnect success or fail
*/
bool
ProductInventory::dbDisconnect()
{
db.close();
isConnected = false;
conStatus = "Disconnected";
conColor = "red";
statusMessage("", 0);
ui->connectButton->setText("Connect");
return true;
}
bool
ProductInventory::getConnectionStatus()
{
return isConnected;
}
/*!
* runs a generic query on the database and returns a pointer to a new
* QSqlQuery which must be deleted
* \param query the query to run
* \return
*/
QSqlQuery *
ProductInventory::genericQuery(QString query)
{
QSqlQuery *q = new QSqlQuery;
if (!q->exec(query))
{
qDebug() << "query execute failed:" << q->lastError().text();
genericMessageBox(q->lastError().text(), "query error");
delete q;
return nullptr;
}
return q;
}
/*!
* populates the user interface elements with data from the database
*/
void
ProductInventory::populateInterface()
{
// ui->filterCategoryComboBox->clear();
QSqlQuery *query = genericQuery("SELECT * FROM category ORDER BY name;");
if (query == nullptr)
{
qDebug() << "failed to populate interface";
return;
}
else
{
int x = 0;
int y = 0;
while (query->next())
{
if (x >= 3)
{
y++;
x = 0;
}
QString name = query->value(2).toString();
//ui->filterCategoryComboBox->addItem(name);
QCheckBox *chk = new QCheckBox;
chk->setText(query->value(2).toString());
checkboxes.append(chk);
ui->filterCategoryGrid->addWidget(chk, y, x);
x++;
}
delete query;
}
//query = genericQuery("SELECT brand, color, comment FROM product");
query = genericQuery("SELECT categoryid, name FROM category");
if (query == nullptr)
{
qDebug() << "failed to populate interface";
return;
}
else
{
while (query->next())
{
int t = createTable(query->value(1).toString());
if (t == -1)
{
qDebug() << "failed to populate interface";
delete query;
return;
}
QSqlQuery *inner = genericQuery("SELECT brand, color, comment, DATE_FORMAT(dateAdded, "
"\"%d-%m-%Y %h:%i %p\") FROM product WHERE deleted=0 AND categoryid="
+query->value(0).toString()+" ORDER BY brand DESC");
if (inner == nullptr)
{
qDebug() << "failed to populate interface";
delete query;
return;
}
while (inner->next())
{
QList<QString> item;
item.append(inner->value(0).toString());
item.append(inner->value(1).toString());
item.append(inner->value(2).toString());
item.append("images here");
item.append(inner->value(3).toString());
addItemToTable(tables.at(t), &item);
}
if (tables.at(t)->rowCount() == 0)
{
tables.at(t)->deleteLater();
tables.removeAt(t);
labels.at(t)->deleteLater();
labels.removeAt(t);
}
delete inner;
}
}
resizeRows();
delete query;
}
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