be able to update data individually; Fixes #952

src/model/family.rs

@@ -7,7 +7,7 @@ use super::user::User;
 
 #[derive(FromRow, Serialize, Clone)]
 pub struct Family {
-    id: i64,
+    pub(crate) id: i64,
 }
 
 #[derive(Serialize, Clone)]
@@ -91,4 +91,18 @@ GROUP BY family.id;"
             .await
             .unwrap()
     }
+
+    pub async fn clean_families_without_members(db: &SqlitePool) {
+        sqlx::query(
+            "DELETE FROM family
+WHERE id NOT IN (
+    SELECT DISTINCT family_id 
+    FROM user 
+    WHERE family_id IS NOT NULL
+);",
+        )
+        .execute(db)
+        .await
+        .unwrap();
+    }
 }