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RRTcodebaseC

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if (ret_chat_id) { *ret_chat_id = chat_id; }
if (ret_chat_blocked) { *ret_chat_blocked = create_blocked; }
}
/**
* Get the total number of messages in a chat.
*
* @memberof dc_context_t
* @param context The context object as returned from dc_context_new().
* @param chat_id The ID of the chat to count the messages for.
* @return Number of total messages in the given chat. 0 for errors or empty chats.
*/
int dc_get_msg_cnt(dc_context_t* context, uint32_t chat_id)
{
int ret = 0;
sqlite3_stmt* stmt = NULL;
if (context==NULL || context->magic!=DC_CONTEXT_MAGIC) {
goto cleanup;
}
stmt = dc_sqlite3_prepare(context->sql,
"SELECT COUNT(*) FROM msgs WHERE chat_id=?;");
sqlite3_bind_int(stmt, 1, chat_id);
if (sqlite3_step(stmt)!=SQLITE_ROW) {
goto cleanup;
}
ret = sqlite3_column_int(stmt, 0);
cleanup:
sqlite3_finalize(stmt);
return ret;
}
void dc_unarchive_chat(dc_context_t* context, uint32_t chat_id)
{
sqlite3_stmt* stmt = dc_sqlite3_prepare(context->sql,
"UPDATE chats SET archived=0 WHERE id=?");
sqlite3_bind_int (stmt, 1, chat_id);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
/**
* Get the number of _fresh_ messages in a chat. Typically used to implement
* a badge with a number in the chatlist.
*
* @memberof dc_context_t
* @param context The context object as returned from dc_context_new().
* @param chat_id The ID of the chat to count the messages for.
* @return Number of fresh messages in the given chat. 0 for errors or if there are no fresh messages.
*/
int dc_get_fresh_msg_cnt(dc_context_t* context, uint32_t chat_id)
{
int ret = 0;
sqlite3_stmt* stmt = NULL;
if (context==NULL || context->magic!=DC_CONTEXT_MAGIC) {
goto cleanup;
}
stmt = dc_sqlite3_prepare(context->sql,
"SELECT COUNT(*) FROM msgs "
" WHERE state=" DC_STRINGIFY(DC_STATE_IN_FRESH)
" AND hidden=0 "
" AND chat_id=?;"); /* we have an index over the state-column, this should be sufficient as there are typically only few fresh messages */
sqlite3_bind_int(stmt, 1, chat_id);
if (sqlite3_step(stmt)!=SQLITE_ROW) {
goto cleanup;
}
ret = sqlite3_column_int(stmt, 0);
cleanup:
sqlite3_finalize(stmt);
return ret;
}
/**
* Archive or unarchive a chat.
*
* Archived chats are not included in the default chatlist returned
* by dc_get_chatlist(). Instead, if there are _any_ archived chats,
* the pseudo-chat with the chat_id DC_CHAT_ID_ARCHIVED_LINK will be added the the
* end of the chatlist.
*
* - To get a list of archived chats, use dc_get_chatlist() with the flag DC_GCL_ARCHIVED_ONLY.
* - To find out the archived state of a given chat, use dc_chat_get_archived()
* - Messages in archived chats are marked as being noticed, so they do not count as "fresh"
* - Calling this function usually results in the event #DC_EVENT_MSGS_CHANGED
*
* @memberof dc_context_t
* @param context The context object as returned from dc_context_new().