konaclient-qt/konasearch.cpp

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2014-10-18 18:42:15 +02:00
#include "konasearch.h"
#include <QDebug>
#include <QtXml/QDomDocument>
KonaSearch::KonaSearch(KonaClient *Kc, QString Tags, int Page, int Limit)
{
// Reset
searchIsDone = false;
// Copy search info to RAM
kc = Kc;
tags = Tags;
page = Page;
if (Limit < 100) {
limit = Limit;
}
else {
limit = 100;
}
// Initialize temp file
int fileID = 0;
file = new QFile(kc->getTempDir() + SLASH + "search_0");
while (file->exists()) {
fileID++;
file->setFileName(kc->getTempDir() + SLASH + "search_" + QString::number(fileID));
}
// Prepare HTTP
http = new QHttp(kc->getServer());
connect(http, SIGNAL(responseHeaderReceived(QHttpResponseHeader)),
this, SLOT(responseHeaderReceived(QHttpResponseHeader)));
connect(http, SIGNAL(requestFinished(int,bool)),
this, SLOT(requestFinished()));
// Search
if (limit == 0) {
searchIsDone = true;
file->close();
}
else {
searchAgain();
}
}
KonaSearch::~KonaSearch()
{
file->close();
file->remove();
file->deleteLater();
http->closeConnection();
http->close();
http->deleteLater();
}
void KonaSearch::newSearch(QString Tags, int Page, int Limit) {
// Reset
searchIsDone = false;
result.clear();
// Update search info to RAM
tags = Tags;
page = Page;
if (Limit < 100) {
limit = Limit;
}
else {
limit = 100;
}
file->close();
file->remove();
file->open(QFile::ReadWrite);
searchAgain();
}
void KonaSearch::searchAgain()
{
searchIsDone = false;
file->close();
statusCode = 0;
if (!file->open(QIODevice::ReadWrite)) {
qDebug() << "KonaSearch: ERROR: Can't open temp file for search!";
emit searchFailed(this, ERROR_SEARCH_TEMPFILE);
return;
}
QUrl url("/post/index.xml?limit=" + QString::number(limit) + "&page=" + QString::number(page) + "&tags=" + tags);
http->get(url.toString(), file);
}
void KonaSearch::requestFinished() {
if (statusCode == 200) {
file->flush();
file->reset();
QDomDocument doc ("search");
if (!doc.setContent(file)) {
qDebug() << "KonaSearch: ERROR: Can't parse xml!";
searchIsDone = true;
emit searchFailed(this, ERROR_SEARCH_XML);
file->close();
file->remove();
return;
}
file->close();
file->remove(); // We don't need it anymore
QDomElement root = doc.documentElement();
if (root.tagName() != "posts") {
qDebug() << "KonaSearch: ERROR: Wrong root element!";
searchIsDone = true;
emit searchFailed(this, ERROR_SEARCH_FORMAT);
return;
}
QDomElement el = root.firstChildElement("post");
if (el.isNull()) {
qDebug() << "KonaSearch: ERROR: Couldn't get first element!";
searchIsDone = true;
emit searchFailed(this, ERROR_SEARCH_FORMAT);
return;
}
totalImages = root.attribute("count","-1").toInt();
offset = root.attribute("offset","-1").toInt();
#define toBool(a) (a == "true" ? true : false)
int x = 0;
while (!el.isNull()) {
QStringList Tags = el.attribute("tags", "").split(" ");
result.append(new KonaImage(kc,
el.attribute("id", "-1").toInt(),
Tags,
el.attribute("created_at", "-1").toInt(),
el.attribute("creator_id", "-1").toInt(),
el.attribute("author", ""),
el.attribute("change","-1").toInt(),
el.attribute("source", ""),
el.attribute("score", "-1").toInt(),
el.attribute("md5"),
el.attribute("file_size", "-1").toInt(),
el.attribute("file_url", ""),
toBool(el.attribute("is_shown_in_index", "")),
el.attribute("preview_url", ""),
el.attribute("preview_width", "-1").toInt(),
el.attribute("preview_height", "-1").toInt(),
el.attribute("actual_preview_width", "-1").toInt(),
el.attribute("actual_preview_height", "-1").toInt(),
el.attribute("sample_url", ""),
el.attribute("sample_width", "-1").toInt(),
el.attribute("sample_height", "-1").toInt(),
el.attribute("sample_file_size", "-1").toInt(),
el.attribute("jpeg_url", ""),
el.attribute("jpeg_width", "-1").toInt(),
el.attribute("jpeg_height", "-1").toInt(),
el.attribute("jpeg_file_size", "-1").toInt(),
el.attribute("rating", ""),
el.attribute("has_children", "").toInt(),
el.attribute("parent_id", "-1").toInt(),
el.attribute("status", ""),
el.attribute("width", "-1").toInt(),
el.attribute("height", "-1").toInt(),
toBool(el.attribute("is_held")),
el.attribute("frames_pending_string", ""),
el.attribute("frames_string")
));
x++;
el = root.elementsByTagName("post").at(x).toElement();
}
qDebug() << "KonaSearch: Search finished!";
searchIsDone = true;
emit searchFinished(this);
}
else {
qDebug() << "KonaSearch: ERROR: " << "Received HTTP error code: " << statusCode;
emit searchFailed(this, ERROR_SEARCH_HTTP);
}
}
void KonaSearch::responseHeaderReceived(QHttpResponseHeader resp) {
statusCode = resp.statusCode();
}