279 lines
7.0 KiB
Vala
279 lines
7.0 KiB
Vala
|
/*
|
||
|
* 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/>.
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* Base class for Matrix events.
|
||
|
*/
|
||
|
public class Matrix.Event : GLib.Object, GLib.Initable {
|
||
|
private Error? _construct_error = null;
|
||
|
private bool _inited = false;
|
||
|
private Json.Node? _json;
|
||
|
private Gee.HashMap<string, Json.Node> _custom_fields =
|
||
|
new Gee.HashMap<string, Json.Node>();
|
||
|
|
||
|
protected string? _sender = null;
|
||
|
protected string? _room_id = null;
|
||
|
|
||
|
/**
|
||
|
* The Matrix ID of the events sender.
|
||
|
*/
|
||
|
public string? sender {
|
||
|
get {
|
||
|
return _sender;
|
||
|
}
|
||
|
|
||
|
set {
|
||
|
_sender = value;
|
||
|
}
|
||
|
|
||
|
default = null;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* The ID of the room this event is associated with.
|
||
|
*/
|
||
|
public string? room_id {
|
||
|
get {
|
||
|
return _room_id;
|
||
|
}
|
||
|
|
||
|
set {
|
||
|
_room_id = value;
|
||
|
}
|
||
|
|
||
|
default = null;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* The type of the event.
|
||
|
*/
|
||
|
public string? event_type { get; construct; default = null; }
|
||
|
|
||
|
/**
|
||
|
* The timestamp of the event on the originating server.
|
||
|
*/
|
||
|
public ulong? origin_server_ts { get; set; default = null; }
|
||
|
|
||
|
/**
|
||
|
* The unsigned part of the event.
|
||
|
*/
|
||
|
public Matrix.UnsignedEventData unsigned_data {
|
||
|
get; set;
|
||
|
default = null;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* The event as a JSON node.
|
||
|
*/
|
||
|
public Json.Node? json {
|
||
|
get {
|
||
|
if (_json == null) {
|
||
|
_json = new Json.Node(Json.NodeType.OBJECT);
|
||
|
_json.set_object(new Json.Object());
|
||
|
|
||
|
}
|
||
|
|
||
|
try {
|
||
|
to_json(_json);
|
||
|
}
|
||
|
catch (Matrix.Error e) {
|
||
|
return null;
|
||
|
}
|
||
|
|
||
|
return _json;
|
||
|
}
|
||
|
|
||
|
construct {
|
||
|
if (value != null) {
|
||
|
try {
|
||
|
initialize_from_json(value);
|
||
|
} catch (Matrix.Error e) {}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public bool
|
||
|
init(GLib.Cancellable? cancellable = null)
|
||
|
throws Error, Matrix.Error
|
||
|
{
|
||
|
if (cancellable != null) {
|
||
|
throw new Matrix.Error.UNSUPPORTED(
|
||
|
"Cancellable initialization not supported");
|
||
|
}
|
||
|
|
||
|
if (_construct_error != null) {
|
||
|
throw _construct_error;
|
||
|
}
|
||
|
|
||
|
_inited = true;
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
private void
|
||
|
initialize_from_json(Json.Node json_data)
|
||
|
throws Matrix.Error
|
||
|
{
|
||
|
Json.Object root;
|
||
|
Json.Node node;
|
||
|
|
||
|
if (json_data.get_node_type() != Json.NodeType.OBJECT) {
|
||
|
throw new Matrix.Error.INVALID_FORMAT(
|
||
|
"The event is not valid");
|
||
|
}
|
||
|
|
||
|
root = json_data.get_object();
|
||
|
|
||
|
if ((node = root.get_member("type")) == null) {
|
||
|
throw new Matrix.Error.INCOMPLETE(
|
||
|
"Event type is not specified");
|
||
|
}
|
||
|
|
||
|
if ((_event_type != null)
|
||
|
&& (_event_type != node.get_string())) {
|
||
|
throw new Matrix.Error.INVALID_TYPE(
|
||
|
"Changing event type is not supported");
|
||
|
}
|
||
|
|
||
|
from_json(json_data);
|
||
|
|
||
|
_event_type = node.get_string();
|
||
|
|
||
|
if ((node = root.get_member("origin_server_ts")) != null) {
|
||
|
_origin_server_ts = (ulong)node.get_int();
|
||
|
}
|
||
|
|
||
|
if ((node = root.get_member("sender")) != null) {
|
||
|
_sender = node.get_string();
|
||
|
}
|
||
|
|
||
|
if ((node = root.get_member("unsigned")) != null) {
|
||
|
_unsigned_data = new Matrix.UnsignedEventData.from_json(node);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Subclasses should implement this function to initialize
|
||
|
* themselves from JSON data.
|
||
|
*/
|
||
|
public virtual void
|
||
|
from_json(Json.Node json_data)
|
||
|
throws Matrix.Error
|
||
|
{}
|
||
|
|
||
|
/**
|
||
|
* Subclasses should implement this to export their data to JSON.
|
||
|
*/
|
||
|
public virtual void
|
||
|
to_json(Json.Node json_data)
|
||
|
throws Matrix.Error
|
||
|
{
|
||
|
Json.Object root = json_data.get_object();
|
||
|
|
||
|
foreach (var entry in _custom_fields.entries) {
|
||
|
root.set_member(entry.key, _json_node_deep_copy(entry.value));
|
||
|
}
|
||
|
|
||
|
if (event_type != null) {
|
||
|
root.set_string_member("type", event_type);
|
||
|
}
|
||
|
|
||
|
if (origin_server_ts != null) {
|
||
|
root.set_int_member("origin_server_ts", origin_server_ts);
|
||
|
}
|
||
|
|
||
|
if (sender != null) {
|
||
|
root.set_string_member("sender", sender);
|
||
|
}
|
||
|
|
||
|
if (unsigned_data != null) {
|
||
|
root.set_member("unsigned", unsigned_data.get_json_node());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public static Event?
|
||
|
new_from_json(owned string? event_type = null,
|
||
|
string? room_id = null,
|
||
|
Json.Node? json_data = null)
|
||
|
throws Matrix.Error, GLib.Error
|
||
|
{
|
||
|
GLib.Type event_gtype;
|
||
|
Event? ret = null;
|
||
|
|
||
|
if (event_type == null) {
|
||
|
if (json_data == null) {
|
||
|
throw new Matrix.Error.INCOMPLETE(
|
||
|
"Either event_type or json_data must be set!");
|
||
|
}
|
||
|
|
||
|
if (json_data.get_node_type() != Json.NodeType.OBJECT) {
|
||
|
throw new Matrix.Error.INVALID_FORMAT(
|
||
|
"Event is not a JSON object!");
|
||
|
}
|
||
|
|
||
|
Json.Node? node;
|
||
|
|
||
|
if ((node = json_data.get_object().get_member("type")) == null) {
|
||
|
throw new Matrix.Error.INCOMPLETE(
|
||
|
"event_type is null and JSON object doesn't contain type!");
|
||
|
}
|
||
|
|
||
|
event_type = node.get_string();
|
||
|
}
|
||
|
|
||
|
// This is kind of a hack until type registration is done
|
||
|
event_gtype = typeof(Matrix.Event);
|
||
|
|
||
|
ret = (Event)Object.new(event_gtype,
|
||
|
event_type : event_type,
|
||
|
room_id : room_id,
|
||
|
json : json_data);
|
||
|
|
||
|
ret.init();
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Set a value for a custom field.
|
||
|
*/
|
||
|
public void
|
||
|
set_custom_field(string field_name, Json.Node value)
|
||
|
{
|
||
|
_custom_fields.set(field_name, value);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the value of a custom field.
|
||
|
*/
|
||
|
public Json.Node?
|
||
|
get_custom_field (string field_name)
|
||
|
{
|
||
|
return _custom_fields.get(field_name);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Delete a custom field.
|
||
|
*/
|
||
|
public void
|
||
|
delete_custom_field (string field_name)
|
||
|
{
|
||
|
_custom_fields.unset(field_name);
|
||
|
}
|
||
|
}
|