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  • use std::sync::Arc;
    
    use crate::{database::admin::AdminCommand, database::DatabaseGuard, ConduitResult, Error, Ruma};
    use ruma::{
        api::client::{error::ErrorKind, r0::room::report_content},
        events::room::message,
        Int,
    };
    
    #[cfg(feature = "conduit_bin")]
    use rocket::post;
    
    /// # `POST /_matrix/client/r0/rooms/{roomId}/report/{eventId}`
    ///
    /// Reports an inappropriate event to homeserver admins
    ///
    #[cfg_attr(
        feature = "conduit_bin",
        post("/_matrix/client/r0/rooms/<_>/report/<_>", data = "<body>")
    )]
    #[tracing::instrument(skip(db, body))]
    pub async fn report_event_route(
        db: DatabaseGuard,
        body: Ruma<report_content::Request<'_>>,
    ) -> ConduitResult<report_content::Response> {
        let sender_user = body.sender_user.as_ref().expect("user is authenticated");
    
        let pdu = match db.rooms.get_pdu(&body.event_id) {
            Ok(pdu) if !pdu.is_none() => pdu,
            _ => {
                return Err(Error::BadRequest(
                    ErrorKind::InvalidParam,
                    "Invalid Event ID",
                ))
            }
        }
        .unwrap();
    
        if body.score >= Int::from(0) && body.score <= Int::from(-100) {
            return Err(Error::BadRequest(
                ErrorKind::InvalidParam,
                "Invalid score, must be within 0 to -100",
            ));
        };
    
        if body.reason.chars().count() > 160 {
            return Err(Error::BadRequest(
                ErrorKind::InvalidParam,
                "Reason too long, should be 160 characters or fewer",
            ));
        };
    
        let mutex_state = Arc::clone(
            db.globals
                .roomid_mutex_state
                .write()
                .unwrap()
                .entry(body.room_id.clone())
                .or_default(),
        );
        let state_lock = mutex_state.lock().await;
    
        db.admin.send(AdminCommand::SendMessage(
            message::RoomMessageEventContent::text_plain(format!(
                "Report received from: {}\r\n\r\nEvent ID: {}\r\nRoom ID: {}\r\nSent By: {}\r\n\r\nReport Score: {}\r\nReport Reason: {}",
                sender_user, pdu.event_id, pdu.room_id, pdu.sender, body.score, body.reason,
            )),
        ));
    
        drop(state_lock);
    
        db.flush()?;
    
        Ok(report_content::Response {}.into())
    }