show notification to vorstand if boat entry with 'externes boot' or on multiple days is entered

src/model/role.rs

@@ -1,5 +1,7 @@
+use std::ops::DerefMut;
+
 use serde::Serialize;
-use sqlx::{FromRow, SqlitePool};
+use sqlx::{FromRow, Sqlite, SqlitePool, Transaction};
 
 #[derive(FromRow, Serialize, Clone)]
 pub struct Role {
@@ -45,6 +47,21 @@ WHERE name like ?
         .ok()
     }
 
+    pub async fn find_by_name_tx(db: &mut Transaction<'_, Sqlite>, name: &str) -> Option<Self> {
+        sqlx::query_as!(
+            Self,
+            "
+SELECT id, name
+FROM role 
+WHERE name like ?
+        ",
+            name
+        )
+        .fetch_one(db.deref_mut())
+        .await
+        .ok()
+    }
+
     pub async fn names_from_role(&self, db: &SqlitePool) -> Vec<String> {
         let query = format!(
             "SELECT u.name