add: chat notifications

use sql_chanes/notifications_tag.sql; ignore first statement if you never used a preview commit

crates/app/src/routes/api/v1/notifications.rs

@@ -45,6 +45,27 @@ pub async fn delete_all_request(
     }
 }
 
+pub async fn delete_all_by_tag_request(
+    jar: CookieJar,
+    Extension(data): Extension<State>,
+    Path(tag): Path<String>,
+) -> impl IntoResponse {
+    let data = &(data.read().await).0;
+    let user = match get_user_from_token!(jar, data) {
+        Some(ua) => ua,
+        None => return Json(Error::NotAllowed.into()),
+    };
+
+    match data.delete_all_notifications_by_tag(&user, &tag).await {
+        Ok(_) => Json(ApiReturn {
+            ok: true,
+            message: "Notifications cleared".to_string(),
+            payload: (),
+        }),
+        Err(e) => Json(e.into()),
+    }
+}
+
 pub async fn update_read_status_request(
     jar: CookieJar,
     Extension(data): Extension<State>,