DTC::ProgramGuide *Guide::GetProgramGuide( const QDateTime &dtStartTime ,
const QDateTime &dtEndTime ,
int nStartChanId,
int nNumChannels,
bool bDetails )
{
if (!dtStartTime.isValid())
throw( "StartTime is invalid" );
if (!dtEndTime.isValid())
throw( "EndTime is invalid" );
if (dtEndTime < dtStartTime)
throw( "EndTime is before StartTime");
if (nNumChannels == 0)
nNumChannels = 1;
if (nNumChannels == -1)
nNumChannels = SHRT_MAX;
// ----------------------------------------------------------------------
// Find the ending channel Id
// ----------------------------------------------------------------------
int nEndChanId = nStartChanId;
MSqlQuery query(MSqlQuery::InitCon());
query.prepare( "SELECT chanid FROM channel WHERE (chanid >= :STARTCHANID )"
" ORDER BY chanid LIMIT :NUMCHAN" );
query.bindValue(":STARTCHANID", nStartChanId );
query.bindValue(":NUMCHAN" , nNumChannels );
if (!query.exec())
MythDB::DBError("Select ChanId", query);
query.first(); nStartChanId = query.value(0).toInt();
query.last(); nEndChanId = query.value(0).toInt();
// ----------------------------------------------------------------------
// Build SQL statement for Program Listing
// ----------------------------------------------------------------------
ProgramList progList;
ProgramList schedList;
MSqlBindings bindings;
QString sSQL = "WHERE program.chanid >= :StartChanId "
"AND program.chanid <= :EndChanId "
"AND program.endtime >= :StartDate "
"AND program.starttime <= :EndDate "
"GROUP BY program.starttime, channel.channum, "
"channel.callsign, program.title "
"ORDER BY program.chanid ";
bindings[":StartChanId"] = nStartChanId;
bindings[":EndChanId" ] = nEndChanId;
bindings[":StartDate" ] = dtStartTime;
bindings[":EndDate" ] = dtEndTime;
// ----------------------------------------------------------------------
// Get all Pending Scheduled Programs
// ----------------------------------------------------------------------
bool hasConflicts;
LoadFromScheduler(schedList, hasConflicts);
// ----------------------------------------------------------------------
LoadFromProgram( progList, sSQL, bindings, schedList, false );
// ----------------------------------------------------------------------
// Build Response
// ----------------------------------------------------------------------
DTC::ProgramGuide *pGuide = new DTC::ProgramGuide();
int nChanCount = 0;
uint nCurChanId = 0;
DTC::ChannelInfo *pChannel = NULL;
for( uint n = 0; n < progList.size(); n++)
{
ProgramInfo *pInfo = progList[ n ];
if ( nCurChanId != pInfo->GetChanID() )
{
nChanCount++;
nCurChanId = pInfo->GetChanID();
pChannel = pGuide->AddNewChannel();
FillChannelInfo( pChannel, pInfo, bDetails );
}
DTC::Program *pProgram = pChannel->AddNewProgram();
FillProgramInfo( pProgram, pInfo, false, bDetails );
}
// ----------------------------------------------------------------------
pGuide->setStartTime ( dtStartTime );
pGuide->setEndTime ( dtEndTime );
pGuide->setStartChanId ( nStartChanId );
pGuide->setEndChanId ( nEndChanId );
pGuide->setNumOfChannels( nChanCount );
pGuide->setDetails ( bDetails );
pGuide->setCount ( progList.size());
pGuide->setAsOf ( QDateTime::currentDateTime() );
pGuide->setVersion ( MYTH_BINARY_VERSION );
pGuide->setProtoVer ( MYTH_PROTO_VERSION );
return pGuide;
}
DTC::ProgramGuide *Guide::GetProgramGuide( const QDateTime &rawStartTime ,
const QDateTime &rawEndTime ,
int nStartChanId,
int nNumChannels,
bool bDetails,
int nChannelGroupId )
{
if (!rawStartTime.isValid())
throw( "StartTime is invalid" );
if (!rawEndTime.isValid())
throw( "EndTime is invalid" );
QDateTime dtStartTime = rawStartTime.toUTC();
QDateTime dtEndTime = rawEndTime.toUTC();
if (dtEndTime < dtStartTime)
throw( "EndTime is before StartTime");
if (nNumChannels == 0)
nNumChannels = SHRT_MAX;
// ----------------------------------------------------------------------
// Find the ending channel Id
// ----------------------------------------------------------------------
int nEndChanId = nStartChanId;
MSqlQuery query(MSqlQuery::InitCon());
query.prepare( "SELECT chanid FROM channel WHERE (chanid >= :STARTCHANID )"
" ORDER BY chanid LIMIT :NUMCHAN" );
query.bindValue(":STARTCHANID", nStartChanId );
query.bindValue(":NUMCHAN" , nNumChannels );
if (!query.exec())
MythDB::DBError("Select ChanId", query);
query.first(); nStartChanId = query.value(0).toInt();
query.last(); nEndChanId = query.value(0).toInt();
// ----------------------------------------------------------------------
// Build SQL statement for Program Listing
// ----------------------------------------------------------------------
ProgramList progList;
ProgramList schedList;
MSqlBindings bindings;
// lpad is to allow natural sorting of numbers
QString sSQL;
if (nChannelGroupId > 0)
{
sSQL = "LEFT JOIN channelgroup ON program.chanid = channelgroup.chanid "
"WHERE channelgroup.grpid = :CHANGRPID AND ";
bindings[":CHANGRPID" ] = nChannelGroupId;
}
else
sSQL = "WHERE ";
sSQL += "visible != 0 "
"AND program.chanid >= :StartChanId "
"AND program.chanid <= :EndChanId "
"AND program.endtime >= :StartDate "
"AND program.starttime <= :EndDate "
"AND program.manualid = 0 " // Exclude programmes created purely for 'manual' recording schedules
"ORDER BY LPAD(CAST(channum AS UNSIGNED), 10, 0), "
" LPAD(channum, 10, 0), "
" callsign, "
" LPAD(program.chanid, 10, 0), "
" program.starttime ";
bindings[":StartChanId"] = nStartChanId;
bindings[":EndChanId" ] = nEndChanId;
bindings[":StartDate" ] = dtStartTime;
bindings[":EndDate" ] = dtEndTime;
// ----------------------------------------------------------------------
// Get all Pending Scheduled Programs
// ----------------------------------------------------------------------
bool hasConflicts;
LoadFromScheduler(schedList, hasConflicts);
// ----------------------------------------------------------------------
LoadFromProgram( progList, sSQL, bindings, schedList );
// ----------------------------------------------------------------------
// Build Response
// ----------------------------------------------------------------------
DTC::ProgramGuide *pGuide = new DTC::ProgramGuide();
int nChanCount = 0;
uint nCurChanId = 0;
DTC::ChannelInfo *pChannel = NULL;
QString sCurCallsign;
uint nSkipChanId = 0;
for( uint n = 0; n < progList.size(); n++)
{
ProgramInfo *pInfo = progList[ n ];
if ( nSkipChanId == pInfo->GetChanID())
continue;
if ( nCurChanId != pInfo->GetChanID() )
{
nChanCount++;
nCurChanId = pInfo->GetChanID();
// Filter out channels with the same callsign, keeping just the
// first seen
if (sCurCallsign == pInfo->GetChannelSchedulingID())
{
nSkipChanId = pInfo->GetChanID();
continue;
}
pChannel = pGuide->AddNewChannel();
FillChannelInfo( pChannel, pInfo->GetChanID(), bDetails );
sCurCallsign = pChannel->CallSign();
}
DTC::Program *pProgram = pChannel->AddNewProgram();
FillProgramInfo( pProgram, pInfo, false, bDetails, false ); // No cast info
}
// ----------------------------------------------------------------------
pGuide->setStartTime ( dtStartTime );
pGuide->setEndTime ( dtEndTime );
pGuide->setStartChanId ( nStartChanId );
pGuide->setEndChanId ( nEndChanId );
pGuide->setNumOfChannels( nChanCount );
pGuide->setDetails ( bDetails );
pGuide->setCount ( progList.size());
pGuide->setAsOf ( MythDate::current() );
pGuide->setVersion ( MYTH_BINARY_VERSION );
pGuide->setProtoVer ( MYTH_PROTO_VERSION );
return pGuide;
}
