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//! `GET /_matrix/client/*/profile/{userId}/avatar_url`

pub mod v3 {
    //! `/v3/` ([spec])
    //!
    //! [spec]: https://spec.matrix.org/v1.2/client-server-api/#get_matrixclientv3profileuseridavatar_url

    use ruma_common::{api::ruma_api, OwnedMxcUri, UserId};

    ruma_api! {
        metadata: {
            description: "Get the avatar URL of a user.",
            method: GET,
            name: "get_avatar_url",
            r0_path: "/_matrix/client/r0/profile/:user_id/avatar_url",
            stable_path: "/_matrix/client/v3/profile/:user_id/avatar_url",
            rate_limited: false,
            authentication: None,
            added: 1.0,
        }

        request: {
            /// The user whose avatar URL will be retrieved.
            #[ruma_api(path)]
            pub user_id: &'a UserId,
        }

        #[derive(Default)]
        response: {
            /// The user's avatar URL, if set.
            ///
            /// If you activate the `compat` feature, this field being an empty string in JSON will result
            /// in `None` here during deserialization.
            #[serde(skip_serializing_if = "Option::is_none")]
            #[cfg_attr(
                feature = "compat",
                serde(default, deserialize_with = "ruma_common::serde::empty_string_as_none")
            )]
            pub avatar_url: Option<OwnedMxcUri>,

            /// The [BlurHash](https://blurha.sh) for the avatar pointed to by `avatar_url`.
            ///
            /// This uses the unstable prefix in
            /// [MSC2448](https://github.com/matrix-org/matrix-spec-proposals/pull/2448).
            #[cfg(feature = "unstable-msc2448")]
            #[serde(
                rename = "xyz.amorgan.blurhash",
                alias = "blurhash",
                skip_serializing_if = "Option::is_none"
            )]
            pub blurhash: Option<String>,
        }

        error: crate::Error
    }

    impl<'a> Request<'a> {
        /// Creates a new `Request` with the given user ID.
        pub fn new(user_id: &'a UserId) -> Self {
            Self { user_id }
        }
    }

    impl Response {
        /// Creates a new `Response` with the given avatar URL.
        pub fn new(avatar_url: Option<OwnedMxcUri>) -> Self {
            Self {
                avatar_url,
                #[cfg(feature = "unstable-msc2448")]
                blurhash: None,
            }
        }
    }
}