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path: root/src/fetch/animenfofetcher.cpp
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/***************************************************************************
    copyright            : (C) 2006 by Robby Stephenson
    email                : robby@periapsis.org
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of version 2 of the GNU General Public License as  *
 *   published by the Free Software Foundation;                            *
 *                                                                         *
 ***************************************************************************/

#include "animenfofetcher.h"
#include "messagehandler.h"
#include "../tellico_kernel.h"
#include "../tellico_utils.h"
#include "../collections/videocollection.h"
#include "../entry.h"
#include "../filehandler.h"
#include "../latin1literal.h"
#include "../imagefactory.h"
#include "../tellico_debug.h"

#include <klocale.h>
#include <kconfig.h>
#include <kio/job.h>

#include <tqregexp.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqfile.h>

//#define ANIMENFO_TEST

namespace {
  static const char* ANIMENFO_BASE_URL = "http://www.animenfo.com/search.php";
}

using Tellico::Fetch::AnimeNfoFetcher;

AnimeNfoFetcher::AnimeNfoFetcher(TQObject* parent_, const char* name_ /*=0*/)
    : Fetcher(parent_, name_), m_started(false) {
}

TQString AnimeNfoFetcher::defaultName() {
  return TQString::tqfromLatin1("AnimeNfo.com");
}

TQString AnimeNfoFetcher::source() const {
  return m_name.isEmpty() ? defaultName() : m_name;
}

bool AnimeNfoFetcher::canFetch(int type) const {
  return type == Data::Collection::Video;
}

void AnimeNfoFetcher::readConfigHook(const KConfigGroup& config_) {
  Q_UNUSED(config_);
}

void AnimeNfoFetcher::search(FetchKey key_, const TQString& value_) {
  m_started = true;
  m_matches.clear();

#ifdef ANIMENFO_TEST
  KURL u = KURL::fromPathOrURL(TQString::tqfromLatin1("/home/robby/animenfo.html"));
#else
  KURL u(TQString::tqfromLatin1(ANIMENFO_BASE_URL));
  u.addQueryItem(TQString::tqfromLatin1("action"),   TQString::tqfromLatin1("Go"));
  u.addQueryItem(TQString::tqfromLatin1("option"),   TQString::tqfromLatin1("keywords"));
  u.addQueryItem(TQString::tqfromLatin1("queryin"),    TQString::tqfromLatin1("anime_titles"));

  if(!canFetch(Kernel::self()->collectionType())) {
    message(i18n("%1 does not allow searching for this collection type.").tqarg(source()), MessageHandler::Warning);
    stop();
    return;
  }

  switch(key_) {
    case Keyword:
      u.addQueryItem(TQString::tqfromLatin1("query"), value_);
      break;

    default:
      kdWarning() << "AnimeNfoFetcher::search() - key not recognized: " << key_ << endl;
      stop();
      return;
  }
#endif
//  myDebug() << "AnimeNfoFetcher::search() - url: " << u.url() << endl;

  m_job = KIO::get(u, false, false);
  connect(m_job, TQT_SIGNAL(data(KIO::Job*, const TQByteArray&)),
          TQT_SLOT(slotData(KIO::Job*, const TQByteArray&)));
  connect(m_job, TQT_SIGNAL(result(KIO::Job*)),
          TQT_SLOT(slotComplete(KIO::Job*)));
}

void AnimeNfoFetcher::stop() {
  if(!m_started) {
    return;
  }

  if(m_job) {
    m_job->kill();
    m_job = 0;
  }
  m_data.truncate(0);
  m_started = false;
  emit signalDone(this);
}

void AnimeNfoFetcher::slotData(KIO::Job*, const TQByteArray& data_) {
  TQDataStream stream(m_data, IO_WriteOnly | IO_Append);
  stream.writeRawBytes(data_.data(), data_.size());
}

void AnimeNfoFetcher::slotComplete(KIO::Job* job_) {
//  myDebug() << "AnimeNfoFetcher::slotComplete()" << endl;
  // since the fetch is done, don't worry about holding the job pointer
  m_job = 0;

  if(job_->error()) {
    job_->showErrorDialog(Kernel::self()->widget());
    stop();
    return;
  }

  if(m_data.isEmpty()) {
    myDebug() << "AnimeNfoFetcher::slotComplete() - no data" << endl;
    stop();
    return;
  }

  TQString s = Tellico::decodeHTML(TQString(m_data));

  TQRegExp infoRx(TQString::tqfromLatin1("<td\\s+[^>]*class\\s*=\\s*[\"']anime_info[\"'][^>]*>(.*)</td>"), false);
  infoRx.setMinimal(true);
  TQRegExp anchorRx(TQString::tqfromLatin1("<a\\s+[^>]*href\\s*=\\s*[\"'](.*)[\"'][^>]*>(.*)</a>"), false);
  anchorRx.setMinimal(true);
  TQRegExp yearRx(TQString::tqfromLatin1("\\d{4}"), false);

  // search page comes in groups of threes
  int n = 0;
  TQString u, t, y;

  for(int pos = infoRx.search(s); m_started && pos > -1; pos = infoRx.search(s, pos+1)) {
    if(n == 0 && !u.isEmpty()) {
      SearchResult* r = new SearchResult(this, t, y, TQString());
      emit signalResultFound(r);

#ifdef ANIMENFO_TEST
      KURL url = KURL::fromPathOrURL(TQString::tqfromLatin1("/home/robby/animetitle.html"));
#else
      KURL url(TQString::tqfromLatin1(ANIMENFO_BASE_URL), u);
      url.setQuery(TQString());
#endif
      m_matches.insert(r->uid, url);

      u.truncate(0);
      t.truncate(0);
      y.truncate(0);
    }
    switch(n) {
      case 0: // title and url
        {
          int pos2 = anchorRx.search(infoRx.cap(1));
          if(pos2 > -1) {
            u = anchorRx.cap(1);
            t = anchorRx.cap(2);
          }
        }
        break;
      case 1: // don't case
        break;
      case 2:
        if(yearRx.exactMatch(infoRx.cap(1))) {
          y = infoRx.cap(1);
        }
        break;
    }

    n = (n+1)%3;
  }

  // grab last response
#ifndef ANIMENFO_TEST
  if(!u.isEmpty()) {
    SearchResult* r = new SearchResult(this, t, y, TQString());
    emit signalResultFound(r);
    KURL url(TQString::tqfromLatin1(ANIMENFO_BASE_URL), u);
    url.setQuery(TQString());
    m_matches.insert(r->uid, url);
  }
#endif
  stop();
}

Tellico::Data::EntryPtr AnimeNfoFetcher::fetchEntry(uint uid_) {
  // if we already grabbed this one, then just pull it out of the dict
  Data::EntryPtr entry = m_entries[uid_];
  if(entry) {
    return entry;
  }

  KURL url = m_matches[uid_];
  if(url.isEmpty()) {
    kdWarning() << "AnimeNfoFetcher::fetchEntry() - no url in map" << endl;
    return 0;
  }

  TQString results = Tellico::decodeHTML(FileHandler::readTextFile(url, true));
  if(results.isEmpty()) {
    myDebug() << "AnimeNfoFetcher::fetchEntry() - no text results" << endl;
    return 0;
  }

#if 0
  kdWarning() << "Remove debug from animenfofetcher.cpp" << endl;
  TQFile f(TQString::tqfromLatin1("/tmp/test.html"));
  if(f.open(IO_WriteOnly)) {
    TQTextStream t(&f);
    t.setEncoding(TQTextStream::UnicodeUTF8);
    t << results;
  }
  f.close();
#endif

  entry = parseEntry(results);
  if(!entry) {
    myDebug() << "AnimeNfoFetcher::fetchEntry() - error in processing entry" << endl;
    return 0;
  }
  m_entries.insert(uid_, entry); // keep for later
  return entry;
}

Tellico::Data::EntryPtr AnimeNfoFetcher::parseEntry(const TQString& str_) {
 // myDebug() << "AnimeNfoFetcher::parseEntry()" << endl;
 // class might be anime_info_top
  TQRegExp infoRx(TQString::tqfromLatin1("<td\\s+[^>]*class\\s*=\\s*[\"']anime_info[^>]*>(.*)</td>"), false);
  infoRx.setMinimal(true);
  TQRegExp tagRx(TQString::tqfromLatin1("<.*>"));
  tagRx.setMinimal(true);
  TQRegExp anchorRx(TQString::tqfromLatin1("<a\\s+[^>]*href\\s*=\\s*[\"'](.*)[\"'][^>]*>(.*)</a>"), false);
  anchorRx.setMinimal(true);
  TQRegExp jsRx(TQString::tqfromLatin1("<script.*</script>"), false);
  jsRx.setMinimal(true);

  TQString s = str_;
  s.remove(jsRx);

  Data::CollPtr coll = new Data::VideoCollection(true);

  // add new fields
  Data::FieldPtr f = new Data::Field(TQString::tqfromLatin1("origtitle"), i18n("Original Title"));
  coll->addField(f);

  f = new Data::Field(TQString::tqfromLatin1("alttitle"), i18n("Alternative Titles"), Data::Field::Table);
  f->setFormatFlag(Data::Field::FormatTitle);
  coll->addField(f);

  f = new Data::Field(TQString::tqfromLatin1("distributor"), i18n("Distributor"));
  f->setCategory(i18n("Other People"));
  f->setFlags(Data::Field::AllowCompletion | Data::Field::AllowMultiple | Data::Field::AllowGrouped);
  f->setFormatFlag(Data::Field::FormatPlain);
  coll->addField(f);

  f = new Data::Field(TQString::tqfromLatin1("episodes"), i18n("Episodes"), Data::Field::Number);
  f->setCategory(i18n("Features"));
  coll->addField(f);

 // map captions in HTML to field names
  TQMap<TQString, TQString> fieldMap;
  fieldMap.insert(TQString::tqfromLatin1("Title"), TQString::tqfromLatin1("title"));
  fieldMap.insert(TQString::tqfromLatin1("Japanese Title"), TQString::tqfromLatin1("origtitle"));
  fieldMap.insert(TQString::tqfromLatin1("Total Episodes"), TQString::tqfromLatin1("episodes"));
  fieldMap.insert(TQString::tqfromLatin1("Genres"), TQString::tqfromLatin1("genre"));
  fieldMap.insert(TQString::tqfromLatin1("Year Published"), TQString::tqfromLatin1("year"));
  fieldMap.insert(TQString::tqfromLatin1("Studio"), TQString::tqfromLatin1("studio"));
  fieldMap.insert(TQString::tqfromLatin1("US Distribution"), TQString::tqfromLatin1("distributor"));

  Data::EntryPtr entry = new Data::Entry(coll);

  int n = 0;
  TQString key, value;
  int oldpos = -1;
  for(int pos = infoRx.search(s); pos > -1; pos = infoRx.search(s, pos+1)) {
    if(n == 0 && !key.isEmpty()) {
      if(fieldMap.contains(key)) {
        value = value.simplifyWhiteSpace();
        if(value.length() > 2) { // might be "-"
          if(key == Latin1Literal("Genres")) {
            entry->setField(fieldMap[key], TQStringList::split(TQRegExp(TQString::tqfromLatin1("\\s*,\\s*")),
                                                              value).join(TQString::tqfromLatin1("; ")));
          } else {
            entry->setField(fieldMap[key], value);
          }
        }
      }
      key.truncate(0);
      value.truncate(0);
    }
    switch(n) {
      case 0:
        key = infoRx.cap(1).remove(tagRx);
        break;
      case 1:
        value = infoRx.cap(1).remove(tagRx);
        break;
    }
    n = (n+1)%2;
    oldpos = pos;
  }

  // image
  TQRegExp imgRx(TQString::tqfromLatin1("<img\\s+[^>]*src\\s*=\\s*[\"']([^>]*)[\"']\\s+[^>]*alt\\s*=\\s*[\"']%1[\"']")
                                    .tqarg(entry->field(TQString::tqfromLatin1("title"))), false);
  imgRx.setMinimal(true);
  int pos = imgRx.search(s);
  if(pos > -1) {
    KURL imgURL(TQString::tqfromLatin1(ANIMENFO_BASE_URL), imgRx.cap(1));
    TQString id = ImageFactory::addImage(imgURL, true);
    if(!id.isEmpty()) {
      entry->setField(TQString::tqfromLatin1("cover"), id);
    }
  }

  // now look for alternative titles and plot
  const TQString a = TQString::tqfromLatin1("Alternative titles");
  pos = s.find(a, oldpos+1, false);
  if(pos > -1) {
    pos += a.length();
  }
  int pos2 = -1;
  if(pos > -1) {
    pos2 = s.find(TQString::tqfromLatin1("Description"), pos+1, true);
    if(pos2 > -1) {
      value = s.mid(pos, pos2-pos).remove(tagRx).simplifyWhiteSpace();
      entry->setField(TQString::tqfromLatin1("alttitle"), value);
    }
  }
  TQRegExp descRx(TQString::tqfromLatin1("class\\s*=\\s*[\"']description[\"'][^>]*>(.*)<"), false);
  descRx.setMinimal(true);
  pos = descRx.search(s, TQMAX(pos, pos2));
  if(pos > -1) {
    entry->setField(TQString::tqfromLatin1("plot"), descRx.cap(1).simplifyWhiteSpace());
  }

  return entry;
}

void AnimeNfoFetcher::updateEntry(Data::EntryPtr entry_) {
  TQString t = entry_->field(TQString::tqfromLatin1("title"));
  if(!t.isEmpty()) {
    search(Fetch::Keyword, t);
    return;
  }
  emit signalDone(this); // always need to emit this if not continuing with the search
}

Tellico::Fetch::ConfigWidget* AnimeNfoFetcher::configWidget(TQWidget* parent_) const {
  return new AnimeNfoFetcher::ConfigWidget(parent_);
}

AnimeNfoFetcher::ConfigWidget::ConfigWidget(TQWidget* parent_)
    : Fetch::ConfigWidget(parent_) {
  TQVBoxLayout* l = new TQVBoxLayout(optionsWidget());
  l->addWidget(new TQLabel(i18n("This source has no options."), optionsWidget()));
  l->addStretch();
}

TQString AnimeNfoFetcher::ConfigWidget::preferredName() const {
  return AnimeNfoFetcher::defaultName();
}

#include "animenfofetcher.moc"