database/metadata.h

/* 
 * File:   metadata.h
 * Author: savop
 *
 * Created on 28. Mai 2009, 21:14
 */

#ifndef _METADATA_H
#define _METADATA_H

#include <vdr/tools.h>
#include <vdr/channels.h>
#include <vdr/recording.h>
#include "../common.h"
#include "database.h"
#include "object.h"
#include "resources.h"

struct cUPnPResultSet {
    int mNumberReturned; 
    int mTotalMatches;   
    const char* mResult; 
};

class cMediaDatabase : public cThread {
    friend class cUPnPServer;
    friend class cUPnPObjectMediator;
private:
    unsigned int             mSystemUpdateID;
    cUPnPObjectFactory*      mFactory;
    cHash<cUPnPClassObject>* mObjects;
    cSQLiteDatabase*         mDatabase;
    cUPnPObjectID            mLastInsertObjectID;
    cUPnPObjectID getNextObjectID();
    void cacheObject(cUPnPClassObject* Object);
    int prepareDatabase();
    int loadChannels();
    int loadRecordings();
    void updateChannelEPG();
    void updateRecordings();
    bool init();
    void updateSystemID();
    virtual void Action();
public:
    unsigned int getSystemUpdateID();
    const char*  getContainerUpdateIDs();
    cMediaDatabase();
    virtual ~cMediaDatabase();
    int addFastFind(
        cUPnPClassObject* Object, 
        const char* FastFind      

    );
    cUPnPClassObject* getObjectByFastFind(
        const char* FastFind 

    );
    cUPnPClassObject* getObjectByID(
        cUPnPObjectID ID 
    );
    int browse(
        OUT cUPnPResultSet** Results,   
        IN const char* ID,              
        IN bool BrowseMetadata,         
        IN const char* Filter = "*",    
        IN unsigned int Offset = 0,     
        IN unsigned int Count = 0,      
        IN const char* SortCriteria = "" 
    );
    int search(
        OUT cUPnPResultSet** Results,       
        IN const char* ID,                  
        IN const char* Search,              
        IN const char* Filter = "*",        
        IN unsigned int Offset = 0,         
        IN unsigned int Count = 0,          
        IN const char* SortCriteria = ""    
    );
};

#endif  /* _METADATA_H */

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