create board view

src/model/stat.rs

@@ -195,6 +195,32 @@ ORDER BY rowed_km DESC, u.name;
         })
         .collect()
     }
+
+    pub async fn total_km(db: &SqlitePool, user: &User) -> Stat {
+        //TODO: switch to query! macro again (once upgraded to sqlite 3.42 on server)
+        let row = sqlx::query(&format!(
+            "
+SELECT u.name, CAST(SUM(l.distance_in_km) AS INTEGER) AS rowed_km 
+FROM (
+    SELECT * FROM user 
+    WHERE id={}
+) u
+INNER JOIN rower r ON u.id = r.rower_id
+INNER JOIN logbook l ON r.logbook_id = l.id
+WHERE l.distance_in_km IS NOT NULL;
+",
+            user.id
+        ))
+        .fetch_one(db)
+        .await
+        .unwrap();
+
+        Stat {
+            name: row.get("name"),
+            rowed_km: row.get("rowed_km"),
+        }
+    }
+
     pub async fn person(db: &SqlitePool, year: Option<i32>, user: &User) -> Stat {
         let year = match year {
             Some(year) => year,