mythfilldatabase.cpp

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// C headers
#include <unistd.h>
 
// C++ headers
#include <iostream>
 
// Qt headers
#include <QtGlobal>
#include <QCoreApplication>
#include <QFileInfo>
 
// MythTV headers
#include "libmyth/mythcontext.h"
#include "libmythbase/exitcodes.h"
#include "libmythbase/mythappname.h"
#include "libmythbase/mythconfig.h"
#include "libmythbase/mythcorecontext.h"
#include "libmythbase/mythdate.h"
#include "libmythbase/mythdb.h"
#include "libmythbase/mythlogging.h"
#include "libmythbase/mythmiscutil.h"
#include "libmythbase/mythtranslation.h"
#include "libmythbase/mythversion.h"
#include "libmythtv/dbcheck.h"
#include "libmythtv/mythsystemevent.h"
#include "libmythtv/scheduledrecording.h"
#include "libmythtv/videosource.h" // for is_grabber..
 
// filldata headers
#include "filldata.h"
#include "mythfilldatabase_commandlineparser.h"
 
int main(int argc, char *argv[])
{
    FillData fill_data;
    int fromfile_id = 1;
    QString fromfile_name;
    bool from_file = false;
    bool mark_repeats = true;
 
    int sourceid = -1;
 
    MythFillDatabaseCommandLineParser cmdline;
    if (!cmdline.Parse(argc, argv))
    {
        cmdline.PrintHelp();
        return GENERIC_EXIT_INVALID_CMDLINE;
    }
 
    if (cmdline.toBool("showhelp"))
    {
        cmdline.PrintHelp();
        return GENERIC_EXIT_OK;
    }
 
    if (cmdline.toBool("showversion"))
    {
        MythFillDatabaseCommandLineParser::PrintVersion();
        return GENERIC_EXIT_OK;
    }
 
    QCoreApplication a(argc, argv);
    QCoreApplication::setApplicationName(MYTH_APPNAME_MYTHFILLDATABASE);
 
    myth_nice(19);
 
    int retval = cmdline.ConfigureLogging();
    if (retval != GENERIC_EXIT_OK)
        return retval;
 
    if (cmdline.toBool("manual"))
    {
        std::cout << "###\n";
        std::cout << "### Running in manual channel configuration mode.\n";
        std::cout << "### This will ask you questions about every channel.\n";
        std::cout << "###\n";
        fill_data.m_chanData.m_interactive = true;
    }
 
    if (cmdline.toBool("onlyguide"))
    {
        LOG(VB_GENERAL, LOG_NOTICE,
            "Only updating guide data, channel and icon updates will be ignored");
        fill_data.m_chanData.m_guideDataOnly = true;
    }
 
    if (cmdline.toBool("preset"))
    {
        std::cout << "###\n";
        std::cout << "### Running in preset channel configuration mode.\n";
        std::cout << "### This will assign channel ";
        std::cout << "preset numbers to every channel.\n";
        std::cout << "###\n";
        fill_data.m_chanData.m_channelPreset = true;
    }
 
    if (cmdline.toBool("file"))
    {
        // manual file mode
        if (!cmdline.toBool("sourceid") ||
            !cmdline.toBool("xmlfile"))
        {
            std::cerr << "The --file option must be used in combination" << std::endl
                      << "with both --sourceid and --xmlfile." << std::endl;
            return GENERIC_EXIT_INVALID_CMDLINE;
        }
 
        fromfile_id = cmdline.toInt("sourceid");
        fromfile_name = cmdline.toString("xmlfile");
 
        LOG(VB_GENERAL, LOG_INFO,
            "Bypassing grabbers, reading directly from file");
        from_file = true;
    }
 
    if (cmdline.toBool("dochannelupdates"))
        fill_data.m_chanData.m_channelUpdates = true;
    if (cmdline.toBool("nofilterchannels"))
        fill_data.m_chanData.m_filterNewChannels = false;
    if (!cmdline.GetPassthrough().isEmpty())
        fill_data.m_grabOptions = " " + cmdline.GetPassthrough();
    if (cmdline.toBool("sourceid"))
        sourceid = cmdline.toInt("sourceid");
    if (cmdline.toBool("cardtype"))
    {
        if (!cmdline.toBool("sourceid"))
        {
            std::cerr << "The --cardtype option must be used in combination" << std::endl
                      << "with a --sourceid option." << std::endl;
            return GENERIC_EXIT_INVALID_CMDLINE;
        }
 
        fill_data.m_chanData.m_cardType = cmdline.toString("cardtype")
                                                .trimmed().toUpper();
    }
    if (cmdline.toBool("maxdays") && cmdline.toInt("maxdays") > 0)
    {
        fill_data.m_maxDays = cmdline.toInt("maxdays");
        if (fill_data.m_maxDays == 1)
            fill_data.SetRefresh(0, true);
    }
 
    QStringList sl = cmdline.toStringList("refresh");
    if (!sl.isEmpty())
    {
        for (const auto & item : std::as_const(sl))
        {
            QString warn = QString("Invalid entry in --refresh list: %1")
                                .arg(item);
 
            bool enable = !item.contains("not");
 
            if (item.contains("today"))
                fill_data.SetRefresh(0, enable);
            else if (item.contains("tomorrow"))
                fill_data.SetRefresh(1, enable);
            else if (item.contains("second"))
                fill_data.SetRefresh(2, enable);
            else if (item.contains("all"))
                fill_data.SetRefresh(FillData::kRefreshAll, enable);
            else if (item.contains("-"))
            {
                bool ok = false;
                QStringList r = item.split("-");
 
                uint lower = r[0].toUInt(&ok);
                if (!ok)
                {
                    std::cerr << warn.toLocal8Bit().constData() << std::endl;
                    return 0;
                }
 
                uint upper = r[1].toUInt(&ok);
                if (!ok)
                {
                    std::cerr << warn.toLocal8Bit().constData() << std::endl;
                    return 0;
                }
 
                if (lower > upper)
                {
                    std::cerr << warn.toLocal8Bit().constData() << std::endl;
                    return 0;
                }
 
                for (uint j = lower; j <= upper; ++j)
                    fill_data.SetRefresh(j, true);
            }
            else
            {
                bool ok = false;
                uint day = item.toUInt(&ok);
                if (!ok)
                {
                    std::cerr << warn.toLocal8Bit().constData() << std::endl;
                    return 0;
                }
 
                fill_data.SetRefresh(day, true);
            }
        }
    }
 
    if (cmdline.toBool("dontrefreshtba"))
        fill_data.m_refreshTba = false;
    if (cmdline.toBool("onlychannels"))
        fill_data.m_onlyUpdateChannels = true;
    if (cmdline.toBool("noallatonce"))
        fill_data.m_noAllAtOnce = true;
 
    mark_repeats = cmdline.toBool("markrepeats");
 
    MythContext context {MYTH_BINARY_VERSION};
    if (!context.Init(false))
    {
        LOG(VB_GENERAL, LOG_ERR, "Failed to init MythContext, exiting.");
        return GENERIC_EXIT_NO_MYTHCONTEXT;
    }
 
    setHttpProxy();
 
    MythTranslation::load("mythfrontend");
 
    if (!UpgradeTVDatabaseSchema(false))
    {
        LOG(VB_GENERAL, LOG_ERR, "Incorrect database schema");
        return GENERIC_EXIT_DB_OUTOFDATE;
    }
 
    if (gCoreContext->SafeConnectToMasterServer(true, false))
    {
        LOG(VB_GENERAL, LOG_INFO,
            "Opening blocking connection to master backend");
    }
    else
    {
        LOG(VB_GENERAL, LOG_WARNING,
            "Failed to connect to master backend. MythFillDatabase will "
            "continue running but will be unable to prevent backend from "
            "shutting down, or triggering a reschedule when complete.");
    }
 
    if (from_file)
    {
        QString status = QObject::tr("currently running.");
        QDateTime GuideDataBefore;
        QDateTime GuideDataAfter;
 
        updateLastRunStart();
        updateLastRunStatus(status);
 
        MSqlQuery query(MSqlQuery::InitCon());
        query.prepare("SELECT MAX(endtime) FROM program p "
                      "LEFT JOIN channel c ON p.chanid=c.chanid "
                      "WHERE c.deleted IS NULL AND c.sourceid= :SRCID "
                      "AND manualid = 0 AND c.xmltvid != '';");
        query.bindValue(":SRCID", fromfile_id);
 
        if (query.exec() && query.next())
        {
            if (!query.isNull(0))
                GuideDataBefore =
                    MythDate::fromString(query.value(0).toString());
        }
 
        if (!fill_data.GrabDataFromFile(fromfile_id, fromfile_name))
        {
            return GENERIC_EXIT_NOT_OK;
        }
 
        updateLastRunEnd();
 
        query.prepare("SELECT MAX(endtime) FROM program p "
                      "LEFT JOIN channel c ON p.chanid=c.chanid "
                      "WHERE c.deleted IS NULL AND c.sourceid= :SRCID "
                      "AND manualid = 0 AND c.xmltvid != '';");
        query.bindValue(":SRCID", fromfile_id);
 
        if (query.exec() && query.next())
        {
            if (!query.isNull(0))
                GuideDataAfter =
                    MythDate::fromString(query.value(0).toString());
        }
 
        if (GuideDataAfter == GuideDataBefore)
        {
            status = QObject::tr("mythfilldatabase ran, but did not insert "
                    "any new data into the Guide.  This can indicate a "
                    "potential problem with the XML file used for the update.");
        }
        else
        {
            status = QObject::tr("Successful.");
        }
 
        updateLastRunStatus(status);
    }
    else
    {
        DataSourceList sourcelist;
 
        MSqlQuery sourcequery(MSqlQuery::InitCon());
        QString where;
 
        if (sourceid != -1)
        {
            LOG(VB_GENERAL, LOG_INFO,
                QString("Running for sourceid %1 ONLY because --sourceid "
                        "was given on command-line").arg(sourceid));
            where = QString("WHERE sourceid = %1").arg(sourceid);
        }
 
        QString querystr = QString("SELECT sourceid,name,xmltvgrabber,userid,"
                                   "password,lineupid "
                                   "FROM videosource ") + where +
                                   QString(" ORDER BY sourceid;");
 
        if (sourcequery.exec(querystr))
        {
             if (sourcequery.size() > 0)
             {
                  while (sourcequery.next())
                  {
                       DataSource newsource;
 
                       newsource.id = sourcequery.value(0).toInt();
                       newsource.name = sourcequery.value(1).toString();
                       newsource.xmltvgrabber = sourcequery.value(2).toString();
                       newsource.userid = sourcequery.value(3).toString();
                       newsource.password = sourcequery.value(4).toString();
                       newsource.lineupid = sourcequery.value(5).toString();
 
                       newsource.xmltvgrabber_baseline = false;
                       newsource.xmltvgrabber_manualconfig = false;
                       newsource.xmltvgrabber_cache = false;
                       newsource.xmltvgrabber_prefmethod = "";
 
                       sourcelist.push_back(newsource);
                  }
             }
             else
             {
                  LOG(VB_GENERAL, LOG_ERR,
                      "There are no channel sources defined, did you run "
                      "the setup program?");
                  return GENERIC_EXIT_SETUP_ERROR;
             }
        }
        else
        {
             MythDB::DBError("loading channel sources", sourcequery);
             return GENERIC_EXIT_DB_ERROR;
        }
 
        if (!fill_data.Run(sourcelist))
            LOG(VB_GENERAL, LOG_ERR, "Failed to fetch some program info");
        else
            LOG(VB_GENERAL, LOG_NOTICE, "Data fetching complete.");
    }
 
    if (fill_data.m_onlyUpdateChannels && !fill_data.m_needPostGrabProc)
    {
        return GENERIC_EXIT_OK;
    }
 
    LOG(VB_GENERAL, LOG_INFO, "Adjusting program database end times.");
    int update_count = ProgramData::fix_end_times();
    if (update_count == -1)
        LOG(VB_GENERAL, LOG_ERR, "fix_end_times failed!");
    else
        LOG(VB_GENERAL, LOG_INFO,
            QString("    %1 replacements made").arg(update_count));
 
    LOG(VB_GENERAL, LOG_INFO, "Marking generic episodes.");
 
    MSqlQuery query(MSqlQuery::InitCon());
    query.prepare("UPDATE program SET generic = 1 WHERE "
        "((programid = '' AND subtitle = '' AND description = '') OR "
        " (programid <> '' AND category_type = 'series' AND "
        "  program.programid LIKE '%0000'));");
 
    if (!query.exec())
        MythDB::DBError("mark generic", query);
    else
        LOG(VB_GENERAL, LOG_INFO,
            QString("    Found %1").arg(query.numRowsAffected()));
 
    LOG(VB_GENERAL, LOG_INFO, "Extending non-unique programids "
                                "with multiple parts.");
 
    int found = 0;
    MSqlQuery sel(MSqlQuery::InitCon());
    sel.prepare("SELECT DISTINCT programid, partnumber, parttotal "
                "FROM program WHERE partnumber > 0 AND parttotal > 0 AND "
                "programid LIKE '%0000'");
    if (sel.exec())
    {
        MSqlQuery repl(MSqlQuery::InitCon());
        repl.prepare("UPDATE program SET programid = :NEWID "
                        "WHERE programid = :OLDID AND "
                        "partnumber = :PARTNUM AND "
                        "parttotal = :PARTTOTAL");
 
        while (sel.next())
        {
            QString orig_programid = sel.value(0).toString();
            QString new_programid = orig_programid.left(10);
            QString part;
 
            int partnum   = sel.value(1).toInt();
            int parttotal = sel.value(2).toInt();
 
            part.setNum(parttotal);
            new_programid.append(part.rightJustified(2, '0'));
            part.setNum(partnum);
            new_programid.append(part.rightJustified(2, '0'));
 
            LOG(VB_GENERAL, LOG_INFO,
                QString("    %1 -> %2 (part %3 of %4)")
                    .arg(orig_programid, new_programid)
                    .arg(partnum).arg(parttotal));
 
            repl.bindValue(":NEWID", new_programid);
            repl.bindValue(":OLDID", orig_programid);
            repl.bindValue(":PARTNUM",   partnum);
            repl.bindValue(":PARTTOTAL", parttotal);
            if (!repl.exec())
            {
                LOG(VB_GENERAL, LOG_INFO,
                    QString("Fudging programid from '%1' to '%2'")
                        .arg(orig_programid, new_programid));
            }
            else
            {
                found += repl.numRowsAffected();
            }
        }
    }
 
    LOG(VB_GENERAL, LOG_INFO, QString("    Found %1").arg(found));
 
    LOG(VB_GENERAL, LOG_INFO, "Fixing missing original airdates.");
    query.prepare("UPDATE program p "
                    "JOIN ( "
                    "  SELECT programid, MAX(originalairdate) maxoad "
                    "  FROM program "
                    "  WHERE programid <> '' AND "
                    "        originalairdate IS NOT NULL "
                    "  GROUP BY programid ) oad "
                    "  ON p.programid = oad.programid "
                    "SET p.originalairdate = oad.maxoad "
                    "WHERE p.originalairdate IS NULL");
 
    if (query.exec())
    {
        LOG(VB_GENERAL, LOG_INFO,
            QString("    Found %1 with programids")
            .arg(query.numRowsAffected()));
    }
 
    query.prepare("UPDATE program p "
                    "JOIN ( "
                    "  SELECT title, subtitle, description, "
                    "         MAX(originalairdate) maxoad "
                    "  FROM program "
                    "  WHERE programid = '' AND "
                    "        originalairdate IS NOT NULL "
                    "  GROUP BY title, subtitle, description ) oad "
                    "  ON p.programid = '' AND "
                    "     p.title = oad.title AND "
                    "     p.subtitle = oad.subtitle AND "
                    "     p.description = oad.description "
                    "SET p.originalairdate = oad.maxoad "
                    "WHERE p.originalairdate IS NULL");
 
    if (query.exec())
    {
        LOG(VB_GENERAL, LOG_INFO,
            QString("    Found %1 without programids")
            .arg(query.numRowsAffected()));
    }
 
    if (mark_repeats)
    {
        LOG(VB_GENERAL, LOG_INFO, "Marking repeats.");
 
        int newEpiWindow = gCoreContext->GetNumSetting( "NewEpisodeWindow", 14);
 
        MSqlQuery query2(MSqlQuery::InitCon());
        query2.prepare("UPDATE program SET previouslyshown = 1 "
                      "WHERE previouslyshown = 0 "
                      "AND originalairdate is not null "
                      "AND (to_days(starttime) - to_days(originalairdate)) "
                      "    > :NEWWINDOW;");
        query2.bindValue(":NEWWINDOW", newEpiWindow);
 
        if (query2.exec())
            LOG(VB_GENERAL, LOG_INFO,
                QString("    Found %1").arg(query2.numRowsAffected()));
 
        LOG(VB_GENERAL, LOG_INFO, "Unmarking new episode rebroadcast repeats.");
        query2.prepare("UPDATE program SET previouslyshown = 0 "
                      "WHERE previouslyshown = 1 "
                      "AND originalairdate is not null "
                      "AND (to_days(starttime) - to_days(originalairdate)) "
                      "    <= :NEWWINDOW;");
        query2.bindValue(":NEWWINDOW", newEpiWindow);
 
        if (query2.exec())
            LOG(VB_GENERAL, LOG_INFO,
                QString("    Found %1").arg(query2.numRowsAffected()));
    }
 
    // Mark first and last showings
    MSqlQuery updt(MSqlQuery::InitCon());
    updt.prepare("UPDATE program SET first = 0, last = 0;");
    if (!updt.exec())
        MythDB::DBError("Clearing first and last showings", updt);
 
    LOG(VB_GENERAL, LOG_INFO, "Marking episode first showings.");
    updt.prepare("UPDATE program "
                    "JOIN (SELECT MIN(p.starttime) AS starttime, p.programid "
                    "      FROM program p, channel c "
                    "      WHERE p.programid <> '' "
                    "            AND p.chanid = c.chanid "
                    "            AND c.deleted IS NULL "
                    "            AND c.visible > 0 "
                    "      GROUP BY p.programid "
                    "     ) AS firsts "
                    "ON program.programid = firsts.programid "
                    "  AND program.starttime = firsts.starttime "
                    "SET program.first=1;");
    if (!updt.exec())
        MythDB::DBError("Marking first showings by id", updt);
    found = updt.numRowsAffected();
 
    updt.prepare("UPDATE program "
                    "JOIN (SELECT MIN(p.starttime) AS starttime, p.title, p.subtitle, "
                    "           LEFT(p.description, 1024) AS partdesc "
                    "      FROM program p, channel c "
                    "      WHERE p.programid = '' "
                    "            AND p.chanid = c.chanid "
                    "            AND c.deleted IS NULL "
                    "            AND c.visible > 0 "
                    "      GROUP BY p.title, p.subtitle, partdesc "
                    "     ) AS firsts "
                    "ON program.starttime = firsts.starttime "
                    "  AND program.title = firsts.title "
                    "  AND program.subtitle = firsts.subtitle "
                    "  AND LEFT(program.description, 1024) = firsts.partdesc "
                    "SET program.first = 1 "
                    "WHERE program.programid = '';");
    if (!updt.exec())
        MythDB::DBError("Marking first showings", updt);
    found += updt.numRowsAffected();
    LOG(VB_GENERAL, LOG_INFO, QString("    Found %1").arg(found));
 
    LOG(VB_GENERAL, LOG_INFO, "Marking episode last showings.");
    updt.prepare("UPDATE program "
                    "JOIN (SELECT MAX(p.starttime) AS starttime, p.programid "
                    "      FROM program p, channel c "
                    "      WHERE p.programid <> '' "
                    "            AND p.chanid = c.chanid "
                    "            AND c.deleted IS NULL "
                    "            AND c.visible > 0 "
                    "      GROUP BY p.programid "
                    "     ) AS lasts "
                    "ON program.programid = lasts.programid "
                    "  AND program.starttime = lasts.starttime "
                    "SET program.last=1;");
    if (!updt.exec())
        MythDB::DBError("Marking last showings by id", updt);
    found = updt.numRowsAffected();
 
    updt.prepare("UPDATE program "
                    "JOIN (SELECT MAX(p.starttime) AS starttime, p.title, p.subtitle, "
                    "           LEFT(p.description, 1024) AS partdesc "
                    "      FROM program p, channel c "
                    "      WHERE p.programid = '' "
                    "            AND p.chanid = c.chanid "
                    "            AND c.deleted IS NULL "
                    "            AND c.visible > 0 "
                    "      GROUP BY p.title, p.subtitle, partdesc "
                    "     ) AS lasts "
                    "ON program.starttime = lasts.starttime "
                    "  AND program.title = lasts.title "
                    "  AND program.subtitle = lasts.subtitle "
                    "  AND LEFT(program.description, 1024) = lasts.partdesc "
                    "SET program.last = 1 "
                    "WHERE program.programid = '';");
    if (!updt.exec())
        MythDB::DBError("Marking last showings", updt);
    found += updt.numRowsAffected();
    LOG(VB_GENERAL, LOG_INFO, QString("    Found %1").arg(found));
 
#if 1
    // limit MSqlQuery's lifetime
    MSqlQuery query2(MSqlQuery::InitCon());
    query2.prepare("SELECT count(previouslyshown) "
                   "FROM program WHERE previouslyshown = 1;");
    if (query2.exec() && query2.next())
    {
        if (query2.value(0).toInt() != 0)
            gCoreContext->SaveSettingOnHost("HaveRepeats", "1", nullptr);
        else
            gCoreContext->SaveSettingOnHost("HaveRepeats", "0", nullptr);
    }
#endif
 
    if (!cmdline.toBool("noresched"))
    {
        LOG(VB_GENERAL, LOG_INFO, "\n"
            "===============================================================\n"
            "| Attempting to contact the master backend for rescheduling.  |\n"
            "| If the master is not running, rescheduling will happen when |\n"
            "| the master backend is restarted.                            |\n"
            "===============================================================");
 
        ScheduledRecording::RescheduleMatch(0, 0, 0, QDateTime(),
                                            "MythFillDatabase");
    }
 
    gCoreContext->SendMessage("CLEAR_SETTINGS_CACHE");
 
    gCoreContext->SendSystemEvent("MYTHFILLDATABASE_RAN");
 
    LOG(VB_GENERAL, LOG_NOTICE, "mythfilldatabase run complete.");
 
    return GENERIC_EXIT_OK;
}
 
/* vim: set expandtab tabstop=4 shiftwidth=4: */