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/*
* This file is part of the xTuple ERP: PostBooks Edition, a free and
* open source Enterprise Resource Planning software suite,
* Copyright (c) 1999-2010 by OpenMFG LLC, d/b/a xTuple.
* It is licensed to you under the Common Public Attribution License
* version 1.0, the full text of which (including xTuple-specific Exhibits)
* is available at www.xtuple.com/CPAL. By using this software, you agree
* to be bound by its terms.
*/
#include "loadimage.h"
#include <QBuffer>
#include <QDomElement>
#include <QImage>
#include <QImageWriter>
#include <QSqlError>
#include <QVariant> // used by XSqlQuery::bindValue()
#include <quuencode.h>
#include "xsqlquery.h"
#define DEBUG false
LoadImage::LoadImage(const QString &name, const int order,
const bool system, const bool /*enabled*/,
const QString &comment, const QString &filename)
: Loadable("loadimage", name, order, system, comment, filename)
{
_pkgitemtype = "I";
}
LoadImage::LoadImage(const QDomElement &elem, const bool system,
QStringList &msg, QList<bool> &fatal)
: Loadable(elem, system, msg, fatal)
{
_pkgitemtype = "I";
if (_name.isEmpty())
{
msg.append(TR("The image in %1 does not have a name.")
.arg(_filename));
fatal.append(true);
}
if (elem.nodeName() != "loadimage")
{
msg.append(TR("Creating a LoadImage element from a %1 node.")
.arg(elem.nodeName()));
fatal.append(false);
}
if (elem.hasAttribute("grade") || elem.hasAttribute("order"))
{
msg.append(TR("Node %1 '%2' has a 'grade' or 'order' attribute "
"but these are ignored for images.")
.arg(elem.nodeName()).arg(elem.attribute("name")));
fatal.append(false);
}
if (elem.hasAttribute("enabled"))
{
msg.append(TR("Node %1 '%2' has an 'enabled' "
"attribute which is ignored for images.")
.arg(elem.nodeName()).arg(elem.attribute("name")));
fatal.append(false);
}
}
int LoadImage::writeToDB(const QByteArray &pdata, const QString pkgname, QString &errMsg)
{
if (pdata.isEmpty())
{
errMsg = TR("<font color=orange>The image %1 is empty.</font>")
.arg(_name);
return -2;
}
QByteArray encodeddata;
if (DEBUG)
qDebug("LoadImage::writeToDB(): image starts with %s",
pdata.left(10).data());
if (QString(pdata.left(pdata.indexOf("\n"))).contains(QRegExp("^\\s*begin \\d+ \\S+")))
{
if (DEBUG) qDebug("LoadImage::writeToDB() image is already uuencoded");
encodeddata = pdata;
}
else
{
// there's just GOT to be a better way to do this
QImageWriter imageIo;
QBuffer imageBuffer;
imageBuffer.open(QIODevice::ReadWrite);
imageIo.setDevice(&imageBuffer);
imageIo.setFormat(_filename.right(_filename.size() -
_filename.lastIndexOf(".") - 1).toAscii());
if (DEBUG)
qDebug("LoadImage::writeToDB() image has format %s",
imageIo.format().data());
QImage image;
image.loadFromData(pdata);
if (!imageIo.write(image))
{
errMsg = TR("<font color=orange>Error processing image %1: "
"<br>%2</font>")
.arg(_name).arg(imageIo.errorString());
return -3;
}
imageBuffer.close();
encodeddata = QUUEncode(imageBuffer).toAscii();
if (DEBUG) qDebug("LoadImage::writeToDB() image was uuencoded: %s",
encodeddata.left(160).data());
}
_selectMql = new MetaSQLQuery("SELECT image_id, -1, -1"
" FROM <? literal('tablename') ?> "
" WHERE (image_name=<? value('name') ?>);");
_updateMql = new MetaSQLQuery("UPDATE <? literal('tablename') ?> "
" SET image_data=E<? value('source') ?>,"
" image_descrip=<? value('notes') ?>"
" WHERE (image_id=<? value('id') ?>)"
" RETURNING image_id AS id;");
_insertMql = new MetaSQLQuery("INSERT INTO <? literal('tablename') ?> ("
" image_id, image_name, image_data, image_descrip"
") VALUES ("
" DEFAULT, <? value('name') ?>,"
" E<? value('source') ?>,"
" <? value('notes') ?>"
") RETURNING image_id AS id;");
ParameterList params;
params.append("tablename", "image");
return Loadable::writeToDB(encodeddata, pkgname, errMsg, params);
}
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