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#include "stdafx.h"
void CDbxSQLite::InitContacts()
{
sqlite3_stmt *stmt = nullptr;
sqlite3_prepare_v2(m_db, "SELECT contacts.id, COUNT(es.id) FROM contacts LEFT JOIN events_srt es ON es.contact_id = contacts.id GROUP BY contacts.id;", -1, &stmt, nullptr);
int rc = 0;
while ((rc = sqlite3_step(stmt)) == SQLITE_ROW) {
MCONTACT hContact = sqlite3_column_int64(stmt, 0);
DBCachedContact *cc = (hContact) ? m_cache->AddContactToCache(hContact) : &m_system;
cc->m_count = sqlite3_column_int64(stmt, 1);
}
logError(rc, __FILE__, __LINE__);
sqlite3_finalize(stmt);
}
int CDbxSQLite::GetContactCount()
{
mir_cslock lock(m_csDbAccess);
sqlite3_stmt *stmt = InitQuery("SELECT COUNT(1) FROM contacts LIMIT 1;", qCntCount);
int rc = sqlite3_step(stmt);
logError(rc, __FILE__, __LINE__);
int count = sqlite3_column_int(stmt, 0);
sqlite3_reset(stmt);
return count;
}
MCONTACT CDbxSQLite::AddContact()
{
MCONTACT hContact = INVALID_CONTACT_ID;
{
mir_cslock lock(m_csDbAccess);
sqlite3_stmt *stmt = InitQuery("INSERT INTO contacts VALUES (null);", qCntAdd);
int rc = sqlite3_step(stmt);
logError(rc, __FILE__, __LINE__);
sqlite3_reset(stmt);
if (rc != SQLITE_DONE)
return INVALID_CONTACT_ID;
hContact = sqlite3_last_insert_rowid(m_db);
DBFlush();
}
DBCachedContact *cc = m_cache->AddContactToCache(hContact);
if (cc == nullptr)
return INVALID_CONTACT_ID;
NotifyEventHooks(g_hevContactAdded, hContact);
return hContact;
}
int CDbxSQLite::DeleteContact(MCONTACT hContact)
{
// global contact cannot be removed
if (hContact == 0)
return 1;
DBCachedContact *cc = m_cache->GetCachedContact(hContact);
if (cc == nullptr)
return 1;
NotifyEventHooks(g_hevContactDeleted, hContact);
mir_cslockfull lock(m_csDbAccess);
sqlite3_stmt *stmt = InitQuery("DELETE FROM events WHERE contact_id = ?;", qCntDelEvents);
sqlite3_bind_int64(stmt, 1, hContact);
int rc = sqlite3_step(stmt);
logError(rc, __FILE__, __LINE__);
sqlite3_reset(stmt);
if (rc != SQLITE_DONE)
return 1;
stmt = InitQuery("DELETE FROM events_srt WHERE contact_id = ?;", qCntDelEventSrt);
sqlite3_bind_int64(stmt, 1, hContact);
rc = sqlite3_step(stmt);
logError(rc, __FILE__, __LINE__);
sqlite3_reset(stmt);
if (rc != SQLITE_DONE)
return 1;
stmt = InitQuery("DELETE FROM settings WHERE contact_id = ?;", qCntDelSettings);
sqlite3_bind_int64(stmt, 1, hContact);
rc = sqlite3_step(stmt);
logError(rc, __FILE__, __LINE__);
sqlite3_reset(stmt);
if (rc != SQLITE_DONE)
return 1;
stmt = InitQuery("DELETE FROM contacts WHERE id = ?;", qCntDel);
sqlite3_bind_int64(stmt, 1, hContact);
rc = sqlite3_step(stmt);
logError(rc, __FILE__, __LINE__);
sqlite3_reset(stmt);
if (rc != SQLITE_DONE)
return 1;
m_cache->FreeCachedContact(hContact);
lock.unlock();
DBFlush();
return 0;
}
BOOL CDbxSQLite::IsDbContact(MCONTACT hContact)
{
DBCachedContact *cc = m_cache->GetCachedContact(hContact);
return (cc != nullptr);
}
int CDbxSQLite::GetContactSize(void)
{
return sizeof(DBCachedContact);
}
/////////////////////////////////////
void DBCachedContact::AddEvent(MEVENT hDbEvent, uint32_t timestamp, bool unread)
{
m_count = HasCount() ? m_count + 1 : 1;
if (unread && m_unreadTimestamp > timestamp) {
m_unread = hDbEvent;
m_unreadTimestamp = timestamp;
}
}
void DBCachedContact::EditEvent(MEVENT hDbEvent, uint32_t timestamp, bool unread)
{
if (m_unread = hDbEvent && (!unread || m_unreadTimestamp != timestamp)) {
m_unread = 0;
m_unreadTimestamp = 0;
}
else if (unread && timestamp > m_unreadTimestamp) {
m_unread = hDbEvent;
m_unreadTimestamp = timestamp;
}
}
void DBCachedContact::DeleteEvent(MEVENT hDbEvent)
{
if (m_count > 0)
m_count--;
if (m_unread == hDbEvent) {
m_unread = 0;
m_unreadTimestamp = 0;
}
}
void DBCachedContact::MarkRead(MEVENT hDbEvent)
{
if (m_unread == hDbEvent) {
m_unread = 0;
m_unreadTimestamp = 0;
}
}
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