Implement receipt endpoints.

src/r0/receipt.rs

@@ -1 +1,65 @@
 //! Endpoints for event receipts.
+
+/// [POST /_matrix/client/r0/rooms/{roomId}/receipt/{receiptType}/{eventId}](https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-receipt-receipttype-eventid)
+pub mod create_receipt {
+    use ruma_identifiers::{EventId, RoomId};
+
+    use std::fmt::{Display, Error as FmtError, Formatter};
+
+    /// Details about this API endpoint.
+    pub struct Endpoint;
+
+    /// This endpoint's path parameters.
+    #[derive(Clone, Debug)]
+    pub struct PathParams {
+        /// The event ID to acknowledge up to.
+        pub event_id: EventId,
+        /// The type of receipt to send.
+        pub receipt_type: ReceiptType,
+        /// The room in which to send the event.
+        pub room_id: RoomId,
+    }
+
+    /// The type of receipt.
+    #[derive(Clone, Copy, Debug)]
+    pub enum ReceiptType {
+        /// m.read
+        Read,
+    }
+
+    /// This API endpoint's response.
+    #[derive(Clone, Copy, Debug, Deserialize, Serialize)]
+    pub struct Response;
+
+    impl ::Endpoint for Endpoint {
+        type BodyParams = ();
+        type PathParams = PathParams;
+        type QueryParams = ();
+        type Response = Response;
+
+        fn method() -> ::Method {
+            ::Method::Post
+        }
+
+        fn request_path(params: Self::PathParams) -> String {
+            format!(
+                "/_matrix/client/r0/rooms/{}/receipt/{}/{}",
+                params.room_id,
+                params.receipt_type,
+                params.event_id
+            )
+        }
+
+        fn router_path() -> String {
+            "/_matrix/client/r0/rooms/:room_id/receipt/:receipt_type/:event_id".to_string()
+        }
+    }
+
+    impl Display for ReceiptType {
+        fn fmt(&self, f: &mut Formatter) -> Result<(), FmtError> {
+            match *self {
+                ReceiptType::Read => write!(f, "m.read"),
+            }
+        }
+    }
+}