1 files changed, 91 insertions, 8 deletions

diff --git a/qt-ui/subsurfacewebservices.cpp b/qt-ui/subsurfacewebservices.cpp
index 48e56aa30..c6314bf03 100644
--- a/qt-ui/subsurfacewebservices.cpp
+++ b/qt-ui/subsurfacewebservices.cpp
@@ -1,8 +1,13 @@
 #include "subsurfacewebservices.h"
 #include "ui_subsurfacewebservices.h"
+#include "../webservice.h"
+
+#include <libxml/parser.h>
+
 #include <QNetworkAccessManager>
 #include <QNetworkReply>
 #include <QDebug>
+#include <qdesktopservices.h>
 
 SubsurfaceWebServices* SubsurfaceWebServices::instance()
 {
@@ -15,45 +20,123 @@ SubsurfaceWebServices::SubsurfaceWebServices(QWidget* parent, Qt::WindowFlags f)
 	ui->setupUi(this);
 	connect(ui->buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(buttonClicked(QAbstractButton*)));
 	connect(ui->download, SIGNAL(clicked(bool)), this, SLOT(startDownload()));
+	ui->buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
 }
 
 void SubsurfaceWebServices::buttonClicked(QAbstractButton* button)
 {
-
+	ui->buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
+	switch(ui->buttonBox->buttonRole(button)){
+		case QDialogButtonBox::ApplyRole:
+			qDebug() << "Apply Clicked";
+			break;
+		case QDialogButtonBox::RejectRole:
+			manager->deleteLater();
+			reply->deleteLater();
+			ui->progressBar->setMaximum(1);
+			break;
+		case QDialogButtonBox::HelpRole:
+			QDesktopServices::openUrl(QUrl("http://api.hohndel.org"));
+			break;
+		default:
+			break;
+	}
 }
 
 void SubsurfaceWebServices::startDownload()
 {
 	QUrl url("http://api.hohndel.org/api/dive/get/");
 	url.setQueryItems( QList<QPair<QString,QString> >() << qMakePair(QString("login"), ui->userID->text()));
-	qDebug() << url;
-	
-	QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+
+	manager = new QNetworkAccessManager(this);
 	QNetworkRequest request;
 	request.setUrl(url);
 	request.setRawHeader("Accept", "text/xml");
 	reply = manager->get(request);
-	ui->progressBar->setRange(0,0);
+	ui->progressBar->setRange(0,0); // this makes the progressbar do an 'infinite spin'
+	ui->download->setEnabled(false);
+	ui->buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
+
 	connect(reply, SIGNAL(finished()), this, SLOT(downloadFinished()));
-	connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(downloadError(QNetworkReply::NetworkError)));
+	connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), 
+			this, SLOT(downloadError(QNetworkReply::NetworkError)));
 }
 
 void SubsurfaceWebServices::downloadFinished()
 {
 	ui->progressBar->setRange(0,1);
-	QByteArray result = reply->readAll();
-	qDebug() << result;
+	downloadedData = reply->readAll();
+
+	ui->download->setEnabled(true);
 	ui->status->setText(tr("Download Finished"));
+
+	uint resultCode = download_dialog_parse_response(downloadedData);
+	setStatusText(resultCode);
+	if (resultCode == DD_STATUS_OK){
+		ui->buttonBox->button(QDialogButtonBox::Apply)->setEnabled(true);
+	}
+	manager->deleteLater();
+	reply->deleteLater();
 }
 
 void SubsurfaceWebServices::downloadError(QNetworkReply::NetworkError error)
 {
+	ui->download->setEnabled(true);
 	ui->progressBar->setRange(0,1);
 	ui->status->setText(QString::number((int)QNetworkRequest::HttpStatusCodeAttribute));
+	manager->deleteLater();
+	reply->deleteLater();
 }
 
+void SubsurfaceWebServices::setStatusText(int status)
+{
+	QString text;
+	switch (status)	{
+	case DD_STATUS_ERROR_CONNECT: text = tr("Connection Error: ");		break;
+	case DD_STATUS_ERROR_ID:	  text = tr("Invalid user identifier!"); break;
+	case DD_STATUS_ERROR_PARSE:	  text = tr("Cannot parse response!");	break;
+	case DD_STATUS_OK:			  text = tr("Download Success!"); break;
+	}
+	ui->status->setText(text);
+}
 
 void SubsurfaceWebServices::runDialog()
 {
 	show();
 }
+
+/* requires that there is a <download> or <error> tag under the <root> tag */
+void SubsurfaceWebServices::download_dialog_traverse_xml(xmlNodePtr node, unsigned int *download_status)
+{
+	xmlNodePtr cur_node;
+	for (cur_node = node; cur_node; cur_node = cur_node->next) {
+		if ((!strcmp((const char *)cur_node->name, (const char *)"download")) &&
+			  (!strcmp((const char *)xmlNodeGetContent(cur_node), (const char *)"ok"))) {
+			*download_status = DD_STATUS_OK;
+			return;
+		}	else if (!strcmp((const char *)cur_node->name, (const char *)"error")) {
+			*download_status = DD_STATUS_ERROR_ID;
+			return;
+		}
+	}
+}
+
+unsigned int SubsurfaceWebServices::download_dialog_parse_response(const QByteArray& xml)
+{
+	xmlNodePtr root;
+	xmlDocPtr doc = xmlParseMemory(xml.data(), xml.length());
+	unsigned int status = DD_STATUS_ERROR_PARSE;
+
+	if (!doc)
+		return DD_STATUS_ERROR_PARSE;
+	root = xmlDocGetRootElement(doc);
+	if (!root) {
+		status = DD_STATUS_ERROR_PARSE;
+		goto end;
+	}
+	if (root->children)
+		download_dialog_traverse_xml(root->children, &status);
+	end:
+		xmlFreeDoc(doc);
+		return status;
+}