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/*
Import plugin for Miranda NG
Copyright (c) 2012-18 Miranda NG team (https://miranda-ng.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
#include <m_json.h>
static int mc_makeDatabase(const wchar_t*)
{
return 1;
}
/////////////////////////////////////////////////////////////////////////////////////////
// JSON text driver, read-only
static int CompareModules(const char *p1, const char *p2)
{
return mir_strcmp(p1, p2);
}
class CDbxJson : public MDatabaseReadonly, public MZeroedObject
{
JSONNode *m_root = nullptr;
LIST<JSONNode> m_events;
LIST<char> m_modules;
public:
CDbxJson() :
m_events(100),
m_modules(10, CompareModules)
{}
~CDbxJson()
{
if (m_root != nullptr)
json_delete(m_root);
for (auto &it : m_modules)
mir_free(it);
}
void Load()
{
// json operates with the only contact with pseudo id=1
m_cache->AddContactToCache(1);
}
int Open(const wchar_t *profile)
{
HANDLE hFile = CreateFile(profile, GENERIC_READ, 0, 0, OPEN_ALWAYS, 0, 0);
if (hFile == INVALID_HANDLE_VALUE)
return EGROKPRF_CANTREAD;
DWORD dwSize = GetFileSize(hFile, nullptr), dwRead;
ptrA szFile((char*)mir_alloc(dwSize + 1));
BOOL r = ReadFile(hFile, szFile, dwSize, &dwRead, nullptr);
CloseHandle(hFile);
if (!r)
return EGROKPRF_CANTREAD;
szFile[dwSize] = 0;
if ((m_root = json_parse(szFile)) == nullptr)
return EGROKPRF_DAMAGED;
for (auto &it : m_root->at("history"))
m_events.insert(&it);
return EGROKPRF_NOERROR;
}
// mcontacts format always store history for one contact only
STDMETHODIMP_(LONG) GetContactCount(void) override
{
return 1;
}
STDMETHODIMP_(LONG) GetEventCount(MCONTACT) override
{
return m_events.getCount();
}
STDMETHODIMP_(BOOL) GetEvent(MEVENT iEvent, DBEVENTINFO *dbei) override
{
JSONNode *node = m_events[iEvent - 1];
if (node == nullptr)
return 0;
dbei->eventType = (*node)["type"].as_int();
dbei->timestamp = 0;
std::string szTime = (*node)["time"].as_string();
if (!szTime.empty()) {
char c;
struct tm st = {};
int res = sscanf(szTime.c_str(), "%4d%c%2d%c%2d %2d:%2d:%2d", &st.tm_year, &c, &st.tm_mon, &c, &st.tm_mday, &st.tm_hour, &st.tm_min, &st.tm_sec);
if (res == 8) {
st.tm_mon--;
st.tm_year -= 1900;
time_t tm = mktime(&st);
if (tm != -1)
dbei->timestamp = tm;
}
}
else {
szTime = (*node)["isotime"].as_string();
if (!szTime.empty()) {
struct tm st = {};
int res = sscanf(szTime.c_str(), "%4d-%2d-%2dT%2d:%2d:%2dZ", &st.tm_year, &st.tm_mon, &st.tm_mday, &st.tm_hour, &st.tm_min, &st.tm_sec);
if (res == 6) {
st.tm_mon--;
st.tm_year -= 1900;
time_t tm = _mkgmtime(&st);
if (tm != -1)
dbei->timestamp = tm;
}
}
}
if (dbei->timestamp == 0)
dbei->timestamp = (*node)["timeStamp"].as_int();
dbei->flags = 0;
std::string szFlags = (*node)["flags"].as_string();
for (auto &c : szFlags)
switch (c) {
case 'm': dbei->flags |= DBEF_SENT; break;
case 'r': dbei->flags |= DBEF_READ; break;
}
std::string szModule = (*node)["module"].as_string();
if (!szModule.empty()) {
dbei->szModule = m_modules.find((char*)szModule.c_str());
if (dbei->szModule == nullptr) {
dbei->szModule = mir_strdup(szModule.c_str());
m_modules.insert(dbei->szModule);
}
}
std::string szBody = (*node)["body"].as_string();
if (!szBody.empty()) {
dbei->flags |= DBEF_UTF;
dbei->cbBlob = (DWORD)szBody.size()+1;
dbei->pBlob = (PBYTE)mir_alloc(dbei->cbBlob);
strcpy((char*)dbei->pBlob, szBody.c_str());
}
return 0;
}
STDMETHODIMP_(MEVENT) FindFirstEvent(MCONTACT) override
{
return 1;
}
STDMETHODIMP_(MEVENT) FindNextEvent(MCONTACT, MEVENT iEvent) override
{
if (iEvent >= m_events.getCount())
return 0;
return iEvent+1;
}
STDMETHODIMP_(MEVENT) FindLastEvent(MCONTACT) override
{
int numEvents = m_events.getCount();
return numEvents ? numEvents-1 : 0;
}
STDMETHODIMP_(MEVENT) FindPrevEvent(MCONTACT, MEVENT iEvent) override
{
if (iEvent <= 1)
return 0;
return iEvent-1;
}
};
static int mc_grokHeader(const wchar_t *profile)
{
return CDbxJson().Open(profile);
}
static MDatabaseCommon* mc_load(const wchar_t *profile, BOOL)
{
std::auto_ptr<CDbxJson> db(new CDbxJson());
if (db->Open(profile))
return nullptr;
db->Load();
return db.release();
}
static DATABASELINK dblink =
{
0,
"mcontacts",
L"mContacts file driver",
mc_makeDatabase,
mc_grokHeader,
mc_load
};
void RegisterJson()
{
RegisterDatabasePlugin(&dblink);
}
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