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RRTcodebaseC

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* - DC_CHAT_TYPE_GROUP (120) - a group chat, chats_contacts contain all group
* members, incl. DC_CONTACT_ID_SELF
*
* - DC_CHAT_TYPE_VERIFIED_GROUP (130) - a verified group chat. In verified groups,
* all members are verified and encryption is always active and cannot be disabled.
*
* @memberof dc_chat_t
* @param chat The chat object.
* @return Chat type.
*/
int dc_chat_get_type(const dc_chat_t* chat)
{
if (chat==NULL || chat->magic!=DC_CHAT_MAGIC) {
return DC_CHAT_TYPE_UNDEFINED;
}
return chat->type;
}
/**
* Get name of a chat. For one-to-one chats, this is the name of the contact.
* For group chats, this is the name given eg. to dc_create_group_chat() or
* received by a group-creation message.
*
* To change the name, use dc_set_chat_name()
*
* See also: dc_chat_get_subtitle()
*
* @memberof dc_chat_t
* @param chat The chat object.
* @return Chat name as a string. Must be free()'d after usage. Never NULL.
*/
char* dc_chat_get_name(const dc_chat_t* chat)
{
if (chat==NULL || chat->magic!=DC_CHAT_MAGIC) {
return dc_strdup("Err");
}
return dc_strdup(chat->name);
}
/**
* Get a subtitle for a chat. The subtitle is eg. the email-address or the
* number of group members.
*
* See also: dc_chat_get_name()
*
* @memberof dc_chat_t
* @param chat The chat object to calulate the subtitle for.
* @return Subtitle as a string. Must be free()'d after usage. Never NULL.
*/
char* dc_chat_get_subtitle(const dc_chat_t* chat)
{
/* returns either the address or the number of chat members */
char* ret = NULL;
if (chat==NULL || chat->magic!=DC_CHAT_MAGIC) {
return dc_strdup("Err");
}
if (chat->type==DC_CHAT_TYPE_SINGLE && dc_param_exists(chat->param, DC_PARAM_SELFTALK))
{
ret = dc_stock_str(chat->context, DC_STR_SELFTALK_SUBTITLE);
}
else if (chat->type==DC_CHAT_TYPE_SINGLE)
{
int r;
sqlite3_stmt* stmt = dc_sqlite3_prepare(chat->context->sql,
"SELECT c.addr FROM chats_contacts cc "
" LEFT JOIN contacts c ON c.id=cc.contact_id "
" WHERE cc.chat_id=?;");
sqlite3_bind_int(stmt, 1, chat->id);
r = sqlite3_step(stmt);
if (r==SQLITE_ROW) {
ret = dc_strdup((const char*)sqlite3_column_text(stmt, 0));
}
sqlite3_finalize(stmt);
}
else if (DC_CHAT_TYPE_IS_MULTI(chat->type))
{
int cnt = 0;
if (chat->id==DC_CHAT_ID_DEADDROP)
{
ret = dc_stock_str(chat->context, DC_STR_DEADDROP); /* typically, the subtitle for the deaddropn is not displayed at all */
}
else
{
cnt = dc_get_chat_contact_cnt(chat->context, chat->id);
ret = dc_stock_str_repl_int(chat->context, DC_STR_MEMBER, cnt /*SELF is included in group chats (if not removed)*/);
}
}
return ret? ret : dc_strdup("Err");
}
/**