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

src/model/notification.rs

@@ -4,7 +4,7 @@ use chrono::NaiveDateTime;
 use serde::{Deserialize, Serialize};
 use sqlx::{FromRow, Sqlite, SqlitePool, Transaction};
 
-use super::user::User;
+use super::{role::Role, user::User};
 
 #[derive(FromRow, Debug, Serialize, Deserialize)]
 pub struct Notification {
@@ -55,6 +55,20 @@ impl Notification {
         tx.commit().await.unwrap();
     }
 
+    pub async fn create_for_role_tx(
+        db: &mut Transaction<'_, Sqlite>,
+        role: &Role,
+        message: &str,
+        category: &str,
+        link: Option<&str>,
+    ) {
+        let users = User::all_with_role_tx(db, role).await;
+
+        for user in users {
+            Self::create_with_tx(db, &user, message, category, link).await;
+        }
+    }
+
     pub async fn for_user(db: &SqlitePool, user: &User) -> Vec<Self> {
         sqlx::query_as!(
             Self,