ruma_events/
_custom.rs

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1use ruma_common::room_version_rules::RedactionRules;
2use serde::Serialize;
3use serde_json::value::RawValue as RawJsonValue;
4
5use super::{
6    EphemeralRoomEventContent, EphemeralRoomEventType, EventContent, EventContentFromType,
7    GlobalAccountDataEventContent, GlobalAccountDataEventType, MessageLikeEventContent,
8    MessageLikeEventType, MessageLikeUnsigned, PossiblyRedactedStateEventContent, RedactContent,
9    RedactedMessageLikeEventContent, RedactedStateEventContent, RoomAccountDataEventContent,
10    RoomAccountDataEventType, StateEventContent, StateEventType, StaticStateEventContent,
11    ToDeviceEventContent, ToDeviceEventType,
12};
13
14macro_rules! custom_event_content {
15    ($i:ident, $evt:ident) => {
16        /// A custom event's type. Used for event enum `_Custom` variants.
17        // FIXME: Serialize shouldn't be required here, but it's currently a supertrait of
18        // EventContent
19        #[derive(Clone, Debug, Serialize)]
20        #[allow(clippy::exhaustive_structs)]
21        pub struct $i {
22            #[serde(skip)]
23            event_type: Box<str>,
24        }
25
26        impl EventContent for $i {
27            type EventType = $evt;
28
29            fn event_type(&self) -> Self::EventType {
30                self.event_type[..].into()
31            }
32        }
33
34        impl EventContentFromType for $i {
35            fn from_parts(event_type: &str, _content: &RawJsonValue) -> serde_json::Result<Self> {
36                Ok(Self { event_type: event_type.into() })
37            }
38        }
39    };
40}
41
42macro_rules! custom_room_event_content {
43    ($i:ident, $evt:ident) => {
44        custom_event_content!($i, $evt);
45
46        impl RedactContent for $i {
47            type Redacted = Self;
48
49            fn redact(self, _: &RedactionRules) -> Self {
50                self
51            }
52        }
53    };
54}
55
56custom_event_content!(CustomGlobalAccountDataEventContent, GlobalAccountDataEventType);
57impl GlobalAccountDataEventContent for CustomGlobalAccountDataEventContent {}
58
59custom_event_content!(CustomRoomAccountDataEventContent, RoomAccountDataEventType);
60impl RoomAccountDataEventContent for CustomRoomAccountDataEventContent {}
61
62custom_event_content!(CustomEphemeralRoomEventContent, EphemeralRoomEventType);
63impl EphemeralRoomEventContent for CustomEphemeralRoomEventContent {}
64
65custom_room_event_content!(CustomMessageLikeEventContent, MessageLikeEventType);
66impl MessageLikeEventContent for CustomMessageLikeEventContent {}
67impl RedactedMessageLikeEventContent for CustomMessageLikeEventContent {}
68
69custom_room_event_content!(CustomStateEventContent, StateEventType);
70impl StateEventContent for CustomStateEventContent {
71    type StateKey = String;
72}
73impl StaticStateEventContent for CustomStateEventContent {
74    // Like `StateUnsigned`, but without `prev_content`.
75    // We don't care about `prev_content` since we'd only store the event type that is the same
76    // as in the content.
77    type Unsigned = MessageLikeUnsigned<CustomMessageLikeEventContent>;
78    type PossiblyRedacted = Self;
79}
80impl PossiblyRedactedStateEventContent for CustomStateEventContent {
81    type StateKey = String;
82}
83impl RedactedStateEventContent for CustomStateEventContent {
84    type StateKey = String;
85}
86
87custom_event_content!(CustomToDeviceEventContent, ToDeviceEventType);
88impl ToDeviceEventContent for CustomToDeviceEventContent {}
ruma_events/_custom.rs

ruma_events/
_custom.rs
