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RRTcodebaseC

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{
char* eml = NULL;
sqlite3_stmt* stmt = NULL;
if (context==NULL || context->magic!=DC_CONTEXT_MAGIC) {
goto cleanup;
}
stmt = dc_sqlite3_prepare(context->sql,
"SELECT mime_headers FROM msgs WHERE id=?;");
sqlite3_bind_int(stmt, 1, msg_id);
if (sqlite3_step(stmt)==SQLITE_ROW) {
eml = dc_strdup_keep_null((const char*)sqlite3_column_text(stmt, 0));
}
cleanup:
sqlite3_finalize(stmt);
return eml;
}
/**
* Star/unstar messages by setting the last parameter to 0 (unstar) or 1 (star).
* Starred messages are collected in a virtual chat that can be shown using
* dc_get_chat_msgs() using the chat_id DC_CHAT_ID_STARRED.
*
* @memberof dc_context_t
* @param context The context object as created by dc_context_new()
* @param msg_ids An array of uint32_t message IDs defining the messages to star or unstar
* @param msg_cnt The number of IDs in msg_ids
* @param star 0=unstar the messages in msg_ids, 1=star them
* @return None.
*/
void dc_star_msgs(dc_context_t* context, const uint32_t* msg_ids, int msg_cnt, int star)
{
if (context==NULL || context->magic!=DC_CONTEXT_MAGIC || msg_ids==NULL || msg_cnt<=0 || (star!=0 && star!=1)) {
return;
}
dc_sqlite3_begin_transaction(context->sql);
sqlite3_stmt* stmt = dc_sqlite3_prepare(context->sql,
"UPDATE msgs SET starred=? WHERE id=?;");
for (int i = 0; i < msg_cnt; i++)
{
sqlite3_reset(stmt);
sqlite3_bind_int(stmt, 1, star);
sqlite3_bind_int(stmt, 2, msg_ids[i]);
sqlite3_step(stmt);
}
sqlite3_finalize(stmt);
dc_sqlite3_commit(context->sql);
}
/*******************************************************************************
* Delete messages
******************************************************************************/
/**
* Low-level function to delete a message from the database.
* This does not delete the messages from the server.
*
* @private @memberof dc_context_t
*/
void dc_delete_msg_from_db(dc_context_t* context, uint32_t msg_id)
{
dc_msg_t* msg = dc_msg_new_untyped(context);
sqlite3_stmt* stmt = NULL;
if (!dc_msg_load_from_db(msg, context, msg_id)) {
goto cleanup;
}
stmt = dc_sqlite3_prepare(context->sql,
"DELETE FROM msgs WHERE id=?;");
sqlite3_bind_int(stmt, 1, msg->id);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
stmt = NULL;
stmt = dc_sqlite3_prepare(context->sql,
"DELETE FROM msgs_mdns WHERE msg_id=?;");
sqlite3_bind_int(stmt, 1, msg->id);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
stmt = NULL;
cleanup:
sqlite3_finalize(stmt);
dc_msg_unref(msg);
}
/**
* Delete messages. The messages are deleted on the current device and
* on the IMAP server.
*