Add invite-by-3pid endpoint

CHANGELOG.md

@@ -15,6 +15,9 @@ Breaking changes:
 * Fix `r0::session::get_login_types`
 * Add `allow_remote` parameter to `r0::media::get_content`
 * Add missing parameters for `r0::room::create_room`
+* Moved `r0::room::create_room::Invite3pid` to `r0::membership::Invite3pid`
+* Replaced `user_id` parameter of `r0::membership::invite_user` with `recipient` 
+  to allow invitation of users by either Matrix or third party identifiers.
 * Remove deprecated endpoint `r0::contact::create_contact` (deprecated in r0.6.0)
 
 # 0.6.0

src/r0/membership.rs

@@ -16,6 +16,8 @@ use std::collections::HashMap;
 
 use serde::{Deserialize, Serialize};
 
+use crate::r0::thirdparty::Medium;
+
 // TODO: spec requires a nesting ThirdPartySigned { signed: Signed { mxid: ..., ... } }
 //       for join_room_by_id_or_alias but not for join_room_by_id, inconsistency?
 
@@ -32,3 +34,16 @@ pub struct ThirdPartySigned {
     /// The state key of the m.third_party_invite event.
     pub token: String,
 }
+
+/// Represents third party IDs to invite to the room.
+#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
+pub struct Invite3pid {
+    /// Hostname and port of identity server to be used for account lookups.
+    pub id_server: String,
+    /// An access token registered with the identity server.
+    pub id_access_token: String,
+    /// Type of third party ID.
+    pub medium: Medium,
+    /// Third party identifier.
+    pub address: String,
+}

src/r0/membership/invite_user.rs

@@ -1,7 +1,16 @@
-//! [POST /_matrix/client/r0/rooms/{roomId}/invite](https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-rooms-roomid-invite)
-
+//! [POST /_matrix/client/r0/rooms/{roomId}/invite][invite-by-user-id]
+//!
+//! This endpoint has two forms: one to invite a user
+//! [by their Matrix identifier][invite-by-user-id], and one to invite a user
+//! [by their third party identifier][invite-by-3pid].
+//!
+//! [invite-by-user-id]: https://matrix.org/docs/spec/client_server/r0.6.0.html#post-matrix-client-r0-rooms-roomid-invite
+//! [invite-by-3pid]: https://matrix.org/docs/spec/client_server/r0.6.0#id101
 use ruma_api::ruma_api;
 use ruma_identifiers::{RoomId, UserId};
+use serde::{Deserialize, Serialize};
+
+use super::Invite3pid;
 
 ruma_api! {
     metadata {
@@ -18,8 +27,61 @@ ruma_api! {
         #[ruma_api(path)]
         pub room_id: RoomId,
         /// The user to invite.
-        pub user_id: UserId,
+        #[ruma_api(body)]
+        pub recipient: InvitationRecipient,
     }
 
     response {}
 }
+
+/// Distinguishes between invititations by Matrix or third party identifiers.
+#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
+#[serde(untagged)]
+pub enum InvitationRecipient {
+    /// Used to invite user by their Matrix identifer.
+    UserId {
+        /// Matrix identifier of user.
+        user_id: UserId,
+    },
+    /// Used to invite user by a third party identifer.
+    ThirdPartyId(Invite3pid),
+}
+
+#[cfg(test)]
+mod tests {
+    use super::InvitationRecipient;
+    use crate::r0::{membership::Invite3pid, thirdparty::Medium};
+    use ruma_identifiers::UserId;
+    use std::convert::TryFrom;
+    #[test]
+    fn deserialize_invite_by_user_id() {
+        let incoming =
+            serde_json::from_str::<InvitationRecipient>(r#" { "user_id": "@carl:example.org" } "#)
+                .unwrap();
+        let user_id = UserId::try_from("@carl:example.org").unwrap();
+        let recipient = InvitationRecipient::UserId { user_id };
+        assert_eq!(incoming, recipient);
+    }
+
+    #[test]
+    fn deserialize_invite_by_3pid() {
+        let incoming = serde_json::from_str::<InvitationRecipient>(
+            r#"
+                {
+                    "id_server": "example.org",
+                    "id_access_token": "abcdefghijklmnop",
+                    "medium": "email",
+                    "address": "carl@example.org"
+                }
+                "#,
+        )
+        .unwrap();
+        let recipient = InvitationRecipient::ThirdPartyId(Invite3pid {
+            id_server: "example.org".to_string(),
+            id_access_token: "abcdefghijklmnop".to_string(),
+            medium: Medium::Email,
+            address: "carl@example.org".to_string(),
+        });
+        assert_eq!(incoming, recipient);
+    }
+}

src/r0/room/create_room.rs

@@ -7,7 +7,7 @@ use serde::{Deserialize, Serialize};
 use serde_json::Value;
 
 use super::Visibility;
-use crate::r0::thirdparty::Medium;
+use crate::r0::membership::Invite3pid;
 
 ruma_api! {
     metadata {
@@ -96,19 +96,6 @@ pub enum RoomPreset {
     TrustedPrivateChat,
 }
 
-/// Represents third party IDs to invite to the room.
-#[derive(Clone, Debug, Deserialize, Serialize)]
-pub struct Invite3pid {
-    /// Hostname and port of identity server to be used for account lookups.
-    pub id_server: String,
-    /// An access token registered with the identity server.
-    pub id_access_token: String,
-    /// Type of third party ID.
-    pub medium: Medium,
-    /// Third party identifier.
-    pub address: String,
-}
-
 /// Represents content of a state event to be used to initalize new room state.
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct InitialStateEvent {