src/PrinterDialog.cpp

/**
 * Printer.cpp is part of bmsapp.
 *
 * bmsapp 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.
 *
 * bmsapp 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 "PrinterDialog.h"
#include "config.h"
#include "bmsapp.h"

#include <QPrintPreviewDialog>


PrinterDialog::PrinterDialog(int job, int rec, QWidget* parent) : QDialog(parent)
{
    qDebug() << "PrinterDialog start job" << job << "rec" << rec;

    p_job = job;
    p_rec = rec;

    QPrinter printer(QPrinter::ScreenResolution);
    QPrintPreviewDialog preview(&printer, this);
    connect(&preview, &QPrintPreviewDialog::paintRequested,
            this, &PrinterDialog::printDocument);
    preview.exec();

    qDebug() << "return";
}


PrinterDialog::~PrinterDialog()
{
    qDebug() << "PrinterDialog done";
}


void PrinterDialog::printDocument(QPrinter *printer)
{
    qDebug() << "PrinterDialog printDocument()";

    QRect rectangle;
    QRect boundingRect;
    QPainter painter;
    QString w;

    const QStringList f_types({tr("Grain"), tr("Sugar"), tr("Extract"), tr("Dry extract"), tr("Adjunct")});
    const QStringList h_form({tr("Pellet"), tr("Plug"), tr("Leaf"), tr("Leaf Wet"), tr("Cryo")});
    const QStringList m_types({tr("Spice"), tr("Herb"), tr("Flavor"), tr("Fining"), tr("Water agent"), tr("Yeast nutrient"), tr("Other")});

    painter.begin(printer);
    bool firstPage = true;
    qreal y = 0;

    if (p_job == PR_SUPPLIES) {

	double	tot_fermentables = 0, tot_hops = 0, tot_yeasts = 0, tot_miscs = 0;

	printHeader(&painter, tr("Inventaris"));
	y = 140;

	/* Fermentables supplies header */
	painter.setFont(QFont("Helvetica", 9, QFont::Bold));
	painter.setPen(Qt::black);
	painter.fillRect(  0, y,   735, 20, QColor(255, 150, 100, 255));
	painter.drawText(  0, y+4,  90, 20, Qt::AlignLeft, tr("Type"));
	painter.drawText( 90, y+4, 100, 20, Qt::AlignLeft, tr("Supplier"));
	painter.drawText(190, y+4, 270, 20, Qt::AlignLeft, tr("Fermentable"));
	painter.drawText(460, y+4, 115, 20, Qt::AlignRight, tr("Stock"));
	painter.drawText(575, y+4,  80, 20, Qt::AlignRight, tr("Price/Kg"));
	painter.drawText(655, y+4,  80, 20, Qt::AlignRight, tr("Value"));
	y += 20;
	painter.setFont(QFont("Helvetica", 9, QFont::Normal));

	QSqlQuery query("SELECT type,name,supplier,inventory,cost FROM inventory_fermentables WHERE inventory > 0 ORDER BY type,supplier,name");
	query.first();
	for (int i = 0 ; i < query.size() ; i++ ) {
	    if (i % 2) {
		painter.fillRect(  0, y,   735, 20, QColor(210, 245, 255, 255));
	    } else {
		painter.fillRect(  0, y,   735, 20, QColor(255, 255, 210, 255));
	    }
	    painter.drawText(  0, y+4,  90, 20, Qt::AlignLeft, f_types[query.value(0).toInt()]);
	    painter.drawText( 90, y+4, 100, 20, Qt::AlignLeft, query.value(2).toString());
	    painter.drawText(190, y+4, 270, 20, Qt::AlignLeft, query.value(1).toString());
	    w = QString("%1 kg").arg(query.value(3).toDouble(), 10, 'f', 3);
	    painter.drawText(460, y+4, 115, 20, Qt::AlignRight, w);
	    w = QString("%1 €").arg(query.value(4).toDouble(), 8, 'f', 2);
	    painter.drawText(575, y+4,  80, 20, Qt::AlignRight, w);
	    w = QString("%1 €").arg(query.value(3).toDouble() * query.value(4).toDouble(), 8, 'f', 2);
	    tot_fermentables += (query.value(3).toDouble() * query.value(4).toDouble());
	    painter.drawText(655, y+4,  80, 20, Qt::AlignRight, w);
	    query.next();
	    y += 20;
	}
	painter.fillRect(  0, y,   735, 20, QColor(255, 150, 100, 255));
	painter.drawText(  0, y+4, 100, 20, Qt::AlignLeft, tr("Total"));
	w = QString("%1 €").arg(tot_fermentables, 8, 'f', 2);
	painter.drawText(655, y+4,  80, 20, Qt::AlignRight, w);
	y += 20;
	qDebug() << " * " << y;

	query.exec("SELECT name,form,origin,inventory,cost FROM inventory_hops WHERE inventory > 0 ORDER BY origin,name");
        query.first();
	qDebug() << "hops" << query.size();
	y += 60;	// TODO: proper pagebreak check
	/* Hops supplies header */
        painter.setFont(QFont("Helvetica", 9, QFont::Bold));
        painter.setPen(Qt::black);
        painter.fillRect(  0, y,   735, 20, QColor(255, 150, 100, 255));
        painter.drawText(  0, y+4, 120, 20, Qt::AlignLeft, tr("Country"));
	painter.drawText(120, y+4, 260, 20, Qt::AlignLeft, tr("Hop name"));
	painter.drawText(380, y+4,  80, 20, Qt::AlignLeft, tr("Form"));
	painter.drawText(460, y+4, 115, 20, Qt::AlignRight, tr("Stock"));
        painter.drawText(575, y+4,  80, 20, Qt::AlignRight, tr("Price/Kg"));
        painter.drawText(655, y+4,  80, 20, Qt::AlignRight, tr("Value"));
	y += 20;
        painter.setFont(QFont("Helvetica", 9, QFont::Normal));
	for (int i = 0; i < query.size(); i++) {
	    if (i % 2) {
                painter.fillRect(  0, y,   735, 20, QColor(210, 245, 255, 255));
            } else {
                painter.fillRect(  0, y,   735, 20, QColor(255, 255, 210, 255));
            }
            painter.drawText(  0, y+4, 120, 20, Qt::AlignLeft, query.value(2).toString());
	    painter.drawText(120, y+4, 260, 20, Qt::AlignLeft, query.value(0).toString());
	    painter.drawText(380, y+4,  80, 20, Qt::AlignLeft, h_form[query.value(1).toInt()]);
	    if (query.value(3).toDouble() < 0.6)
		w = QString("%1 gr").arg(query.value(3).toDouble() * 1000.0, 10, 'f', 1);
	    else
	        w = QString("%1 kg").arg(query.value(3).toDouble(), 10, 'f', 3);
            painter.drawText(460, y+4, 115, 20, Qt::AlignRight, w);
            w = QString("%1 €").arg(query.value(4).toDouble(), 8, 'f', 2);
            painter.drawText(575, y+4,  80, 20, Qt::AlignRight, w);
            w = QString("%1 €").arg(query.value(3).toDouble() * query.value(4).toDouble(), 8, 'f', 2);
            tot_hops += (query.value(3).toDouble() * query.value(4).toDouble());
            painter.drawText(655, y+4,  80, 20, Qt::AlignRight, w);
            query.next();
            y += 20;
	}
	painter.fillRect(  0, y,   735, 20, QColor(255, 150, 100, 255));
        painter.drawText(  0, y+4, 100, 20, Qt::AlignLeft, tr("Total"));
        w = QString("%1 €").arg(tot_hops, 8, 'f', 2);
        painter.drawText(655, y+4,  80, 20, Qt::AlignRight, w);
	y += 20;
        qDebug() << " * " << y;

	query.exec("SELECT name,laboratory,product_id,form,inventory,cost FROM inventory_yeasts WHERE inventory > 0 ORDER BY laboratory,product_id");
        query.first();
        qDebug() << "yeasts" << query.size();

	query.exec("SELECT name,type,amount_is_weight,inventory,cost FROM inventory_miscs WHERE inventory > 0 ORDER BY type,name");
        query.first();
        qDebug() << "miscs" << query.size();
    }


    painter.end();
}


void PrinterDialog::printHeader(QPainter *painter, QString title)
{
    QSqlQuery query("SELECT brewery_logo, brewery_name FROM profile_setup");
    query.first();
    QByteArray logoByteArray = query.value(0).toByteArray();
    QPixmap outPixmap = QPixmap();
    outPixmap.loadFromData(logoByteArray);
    painter->drawPixmap(0, 0, 120, 120, outPixmap);

    painter->setFont(QFont("Helvetica", 18, QFont::Bold));
    painter->drawText(  150, 0,  500, 40, Qt::AlignLeft, title + " " + query.value(1).toString());
}