matrix-glib-sdk/src/matrix-event-state-base.vala

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Vala
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/*
* This file is part of matrix-glib-sdk
*
* matrix-glib-sdk is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* matrix-glib-sdk 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with matrix-glib-sdk. If not, see
* <http://www.gnu.org/licenses/>.
*/
public abstract class Matrix.Event.State : Matrix.Event.Base {
protected string? _state_key;
public string? state_key {
get {
return _state_key;
}
set {
_state_key = value;
}
default = null;
}
public Json.Node? prev_content { get; set; default = null; }
protected override void
from_json(Json.Node json_data)
throws Matrix.Error
{
var root = json_data.get_object();
Json.Node? node;
if ((node = root.get_member("state_key")) != null) {
_state_key = node.get_string();
} else if (Config.DEBUG) {
warning("state_key is not present in a State event");
}
if ((node = root.get_member("prev_content")) != null) {
_prev_content = node;
}
base.from_json(json_data);
}
protected override void
to_json(Json.Node json_node)
throws Matrix.Error
{
if (_state_key == null) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate state events without state_key");
}
var root = json_node.get_object();
root.set_string_member("state_key", state_key);
if (_prev_content != null) {
root.set_member("prev_content", prev_content);
}
base.to_json(json_node);
}
/**
* Get a stripped state event.
*
* @return `null` if the event is not allowed to be stripped, or
* the full JSON node otherwise
*/
public Json.Node?
get_stripped_node()
{
if ((_event_type != "m.room.join_rules")
&& (_event_type != "m.room.canonical_alias")
&& (_event_type != "m.room.avatar")
&& (_event_type != "m.room.name")) {
warning("Trying to strip down event that is not allowed to be stripped.");
return null;
}
return json;
}
}