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    /*
    * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU Affero General Public License for more details.
    *
    * You should have received a copy of the GNU Affero General Public License
    * along with this program.  If not, see <https://www.gnu.org/licenses/>.
    */

    use actix_identity::Identity;
    use actix_web::{web, HttpResponse, Responder};
    use serde::{Deserialize, Serialize};

    use crate::errors::*;
    use crate::Data;

    #[derive(Serialize, Deserialize)]
    pub struct AddNotification {
        pub to: String,
        pub heading: String,
        pub message: String,
    }

    /// route handler that adds a notification message
    #[my_codegen::post(
        path = "crate::V1_API_ROUTES.notifications.add",
        wrap = "crate::CheckLogin"
    )]
    pub async fn add_notification(
        payload: web::Json<AddNotification>,
        data: web::Data<Data>,
        id: Identity,
    ) -> ServiceResult<impl Responder> {
        let sender = id.identity().unwrap();
        // TODO handle error where payload.to doesnt exist
        sqlx::query!(
            "INSERT INTO mcaptcha_notifications (
                  heading, message, tx, rx)
                  VALUES  (
                  $1, $2,
                      (SELECT ID FROM mcaptcha_users WHERE name = $3),
                      (SELECT ID FROM mcaptcha_users WHERE name = $4)
                          );",
            &payload.heading,
            &payload.message,
            &sender,
            &payload.to,
        )
        .execute(&data.db)
        .await?;
        Ok(HttpResponse::Ok())
    }

    #[cfg(test)]
    mod tests {
        use actix_web::http::{header, StatusCode};
        use actix_web::test;

        use super::*;
        use crate::tests::*;
        use crate::*;

        #[actix_rt::test]
        async fn notification_works() {
            const NAME1: &str = "notifuser1";
            const NAME2: &str = "notiuser2";
            const PASSWORD: &str = "longpassworddomain";
            const EMAIL1: &str = "testnotification1@a.com";
            const EMAIL2: &str = "testnotification2@a.com";

            {
                let data = Data::new().await;
                delete_user(NAME1, &data).await;
                delete_user(NAME2, &data).await;
            }

            register_and_signin(NAME1, EMAIL1, PASSWORD).await;
            register_and_signin(NAME2, EMAIL2, PASSWORD).await;
            let (data, _creds, signin_resp) = signin(NAME1, PASSWORD).await;
            let cookies = get_cookie!(signin_resp);
            let mut app = get_app!(data).await;

            let msg = AddNotification {
                to: NAME2.into(),
                heading: "Test notification".into(),
                message: "Testeing notifications with a dummy message".into(),
            };

            let send_notification_resp = test::call_service(
                &mut app,
                post_request!(&msg, V1_API_ROUTES.notifications.add)
                    .cookie(cookies.clone())
                    .to_request(),
            )
            .await;
            assert_eq!(send_notification_resp.status(), StatusCode::OK);
        }
    }