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path: root/plugins/Dbx_sqlite/src/dbintf.h
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#pragma once

#define OWN_CACHED_CONTACT

#include <m_db_int.h>

struct DBCachedContact : public DBCachedContactBase
{
	uint32_t m_count;
	MEVENT   m_first;
	uint32_t m_firstTimestamp;
	MEVENT   m_unread;
	uint32_t m_unreadTimestamp;
	MEVENT   m_last;
	uint32_t m_lastTimestamp;

	DBCachedContact()
		: m_count(-1), m_first(0), m_unread(0), m_last(0) { }

	bool HasCount() const;

	void AddEvent(MEVENT hDbEvent, uint32_t timestamp, bool unread);
	void EditEvent(MEVENT hDbEvent, uint32_t timestamp, bool unread);
	void DeleteEvent(MEVENT hDbEvent);

	void MarkRead(MEVENT hDbEvent);
};

struct CDbxSQLite : public MDatabaseCommon, public MZeroedObject
{
private:
	sqlite3 *m_db;

	sqlite3_stmt *evt_cur_fwd = nullptr, *evt_curr_backwd = nullptr;
	MCONTACT evt_cnt_fwd = 0, evt_cnt_backwd = 0;

	DBCachedContact m_system;

	bool m_safetyMode;

	CDbxSQLite(sqlite3 *database);

	void InitContacts();
	void UninitContacts();

	LIST<char> m_modules;
	void InitEvents();
	void UninitEvents();

	void InitSettings();
	void UninitSettings();

public:
	~CDbxSQLite();

	static int Create(const wchar_t *profile);
	static int Check(const wchar_t *profile);
	static MDatabaseCommon* Load(const wchar_t *profile, int readonly);

	STDMETHODIMP_(BOOL)     IsRelational(void) override;
	STDMETHODIMP_(void)     SetCacheSafetyMode(BOOL) override;

	STDMETHODIMP_(LONG)     GetContactCount(void) override;
	STDMETHODIMP_(LONG)     DeleteContact(MCONTACT contactID) override;
	STDMETHODIMP_(MCONTACT) AddContact(void) override;
	STDMETHODIMP_(BOOL)     IsDbContact(MCONTACT contactID) override;
	STDMETHODIMP_(LONG)     GetContactSize(void) override;

	STDMETHODIMP_(LONG)     GetEventCount(MCONTACT contactID) override;
	STDMETHODIMP_(MEVENT)   AddEvent(MCONTACT contactID, DBEVENTINFO *dbe) override;
	STDMETHODIMP_(BOOL)     DeleteEvent(MCONTACT contactID, MEVENT hDbEvent) override;
	STDMETHODIMP_(BOOL)     EditEvent(MCONTACT contactID, MEVENT hDbEvent, DBEVENTINFO *dbe) override;
	STDMETHODIMP_(LONG)     GetBlobSize(MEVENT hDbEvent) override;
	STDMETHODIMP_(BOOL)     GetEvent(MEVENT hDbEvent, DBEVENTINFO *dbe) override;
	STDMETHODIMP_(BOOL)     MarkEventRead(MCONTACT contactID, MEVENT hDbEvent) override;
	STDMETHODIMP_(MCONTACT) GetEventContact(MEVENT hDbEvent) override;
	STDMETHODIMP_(MEVENT)   FindFirstEvent(MCONTACT contactID) override;
	STDMETHODIMP_(MEVENT)   FindFirstUnreadEvent(MCONTACT contactID) override;
	STDMETHODIMP_(MEVENT)   FindLastEvent(MCONTACT contactID) override;
	STDMETHODIMP_(MEVENT)   FindNextEvent(MCONTACT contactID, MEVENT hDbEvent) override;
	STDMETHODIMP_(MEVENT)   FindPrevEvent(MCONTACT contactID, MEVENT hDbEvent) override;

	STDMETHODIMP_(MEVENT)   GetEventById(LPCSTR szModule, LPCSTR szId) override;
	STDMETHODIMP_(BOOL)     SetEventId(LPCSTR szModule, MEVENT, LPCSTR szId) override;

	STDMETHODIMP_(BOOL)     EnumModuleNames(DBMODULEENUMPROC pFunc, void *pParam) override;

	STDMETHODIMP_(BOOL)     GetContactSettingWorker(MCONTACT contactID, LPCSTR szModule, LPCSTR szSetting, DBVARIANT *dbv, int isStatic) override;
	STDMETHODIMP_(BOOL)     WriteContactSetting(MCONTACT contactID, DBCONTACTWRITESETTING *dbcws) override;
	STDMETHODIMP_(BOOL)     DeleteContactSetting(MCONTACT contactID, LPCSTR szModule, LPCSTR szSetting) override;
	STDMETHODIMP_(BOOL)     EnumContactSettings(MCONTACT hContact, DBSETTINGENUMPROC pfnEnumProc, const char *szModule, void *param) override;

	STDMETHODIMP_(BOOL)     MetaMergeHistory(DBCachedContact *ccMeta, DBCachedContact *ccSub) override;
	STDMETHODIMP_(BOOL)     MetaSplitHistory(DBCachedContact *ccMeta, DBCachedContact *ccSub) override;

	STDMETHODIMP_(BOOL)     Compact() override;
	STDMETHODIMP_(BOOL)     Backup(LPCWSTR) override;
};