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/*
Copyright © 2016-17 Miranda NG team
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, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
extern HWND g_hwndHeartbeat;
#pragma pack(4)
struct CDiscordCommand
{
const wchar_t *szCommandId;
GatewayHandlerFunc pFunc;
}
static handlers[] = // these structures must me sorted alphabetically
{
{ L"MESSAGE_CREATE", &CDiscordProto::OnCommandMessage },
{ L"MESSAGE_UPDATE", &CDiscordProto::OnCommandMessage },
{ L"PRESENCE_UPDATE", &CDiscordProto::OnCommandPresence },
{ L"READY", &CDiscordProto::OnCommandReady },
{ L"TYPING_START", &CDiscordProto::OnCommandTyping },
{ L"USER_UPDATE", &CDiscordProto::OnCommandUserUpdate },
};
static int __cdecl pSearchFunc(const void *p1, const void *p2)
{
return wcscmp(((CDiscordCommand*)p1)->szCommandId, ((CDiscordCommand*)p2)->szCommandId);
}
GatewayHandlerFunc CDiscordProto::GetHandler(const wchar_t *pwszCommand)
{
CDiscordCommand tmp = { pwszCommand, NULL };
CDiscordCommand *p = (CDiscordCommand*)bsearch(&tmp, handlers, _countof(handlers), sizeof(handlers[0]), pSearchFunc);
return (p != NULL) ? p->pFunc : NULL;
}
//////////////////////////////////////////////////////////////////////////////////////
// reading a new message
void CDiscordProto::OnCommandMessage(const JSONNode &pRoot)
{
PROTORECVEVENT recv = {};
CDiscordUser *pUser = PrepareUser(pRoot["author"]);
SnowFlake channelId = _wtoi64(pRoot["channel_id"].as_mstring());
CMStringW msgId = pRoot["id"].as_mstring();
CMStringW wszText = pRoot["content"].as_mstring();
// if a message has myself as an author, mark it as sent
if (pUser->id == 0)
return;
const JSONNode &edited = pRoot["edited_timestamp"];
if (!edited.isnull())
wszText.AppendFormat(L" (%s %s)", TranslateT("edited at"), edited.as_mstring().c_str());
if (pUser->channelId != channelId) {
debugLogA("failed to process a groupchat message, exiting");
return;
}
ptrA buf(mir_utf8encodeW(wszText));
recv.timestamp = (DWORD)StringToDate(pRoot["timestamp"].as_mstring());
recv.szMessage = buf;
recv.lParam = (LPARAM)msgId.c_str();
ProtoChainRecvMsg(pUser->hContact, &recv);
SnowFlake lastId = getId(pUser->hContact, DB_KEY_LASTMSGID); // as stored in a database
if (lastId < _wtoi64(msgId))
setId(pUser->hContact, DB_KEY_LASTMSGID, _wtoi64(msgId));
}
//////////////////////////////////////////////////////////////////////////////////////
// someone changed its status
void CDiscordProto::OnCommandPresence(const JSONNode &pRoot)
{
CDiscordUser *pUser = PrepareUser(pRoot["user"]);
if (pUser == NULL)
return;
int iStatus;
CMStringW wszStatus = pRoot["status"].as_mstring();
if (wszStatus == L"idle")
iStatus = ID_STATUS_IDLE;
else if (wszStatus == L"online")
iStatus = ID_STATUS_ONLINE;
else if (wszStatus == L"offline")
iStatus = ID_STATUS_OFFLINE;
else
iStatus = 0;
if (iStatus != 0)
setWord(pUser->hContact, "Status", iStatus);
CMStringW wszGame = pRoot["game"]["name"].as_mstring();
if (!wszGame.IsEmpty())
setWString(pUser->hContact, "XStatusMsg", wszGame);
else
delSetting(pUser->hContact, "XStatusMsg");
}
//////////////////////////////////////////////////////////////////////////////////////
// gateway session start
void CALLBACK CDiscordProto::HeartbeatTimerProc(HWND, UINT, UINT_PTR id, DWORD)
{
((CDiscordProto*)id)->GatewaySendHeartbeat();
}
static void __stdcall sttStartTimer(void *param)
{
CDiscordProto *ppro = (CDiscordProto*)param;
SetTimer(g_hwndHeartbeat, (UINT_PTR)param, ppro->getHeartbeatInterval(), &CDiscordProto::HeartbeatTimerProc);
}
void CDiscordProto::OnCommandReady(const JSONNode &pRoot)
{
GatewaySendHeartbeat();
CallFunctionAsync(sttStartTimer, this);
m_szGatewaySessionId = pRoot["session_id"].as_mstring();
const JSONNode &relations = pRoot["relationships"];
for (auto it = relations.begin(); it != relations.end(); ++it) {
const JSONNode &p = *it;
const JSONNode &user = p["user"];
if (user)
PrepareUser(user);
}
const JSONNode &channels = pRoot["private_channels"];
for (auto it = channels.begin(); it != channels.end(); ++it) {
const JSONNode &p = *it;
CDiscordUser *pUser = NULL;
const JSONNode &recipients = p["recipients"];
for (auto it2 = recipients.begin(); it2 != recipients.end(); ++it2)
pUser = PrepareUser(*it2);
if (pUser == NULL)
continue;
pUser->channelId = _wtoi64(p["id"].as_mstring());
pUser->lastMessageId = _wtoi64(p["last_message_id"].as_mstring());
pUser->bIsPrivate = true;
setId(pUser->hContact, DB_KEY_CHANNELID, pUser->channelId);
SnowFlake oldMsgId = getId(pUser->hContact, DB_KEY_LASTMSGID);
if (pUser->lastMessageId > oldMsgId)
RetrieveHistory(pUser->hContact, MSG_AFTER, oldMsgId, 99);
}
}
//////////////////////////////////////////////////////////////////////////////////////
// UTN support
void CDiscordProto::OnCommandTyping(const JSONNode &pRoot)
{
SnowFlake userId = _wtoi64(pRoot["user_id"].as_mstring());
SnowFlake channelId = _wtoi64(pRoot["channel_id"].as_mstring());
debugLogA("user typing notification: userid=%lld, channelid=%lld", userId, channelId);
CDiscordUser *pUser = FindUser(userId);
if (pUser == NULL) {
debugLogA("user with id=%lld is not found", userId);
return;
}
if (pUser->channelId == channelId) {
debugLogA("user is typing in his private channel");
CallService(MS_PROTO_CONTACTISTYPING, pUser->hContact, 20);
}
else {
debugLogA("user is typing in a group channel, skipped");
}
}
//////////////////////////////////////////////////////////////////////////////////////
// UTN support
void CDiscordProto::OnCommandUserUpdate(const JSONNode &pRoot)
{
SnowFlake id = _wtoi64(pRoot["id"].as_mstring());
MCONTACT hContact;
if (id != m_ownId) {
CDiscordUser *pUser = FindUser(id);
if (pUser == NULL)
return;
hContact = pUser->hContact;
}
else hContact = 0;
// force rereading avatar
ptrW wszOldHash(getWStringA(hContact, DB_KEY_AVHASH));
CMStringW wszNewHash(pRoot["avatar"].as_mstring());
if (mir_wstrcmp(wszOldHash, wszNewHash)) {
setWString(hContact, DB_KEY_AVHASH, wszNewHash);
RetrieveAvatar(hContact);
}
}
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