complete redesign

server/src/uctovnictvo/handlers/get_uctovnictvo_by_position.rs

@@ -0,0 +1,34 @@
+// src/uctovnictvo/handlers/get_uctovnictvo_by_position.rs
+use tonic::Status;
+use sqlx::PgPool;
+use common::proto::multieko2::common::PositionRequest;
+use super::get_uctovnictvo;
+
+pub async fn get_uctovnictvo_by_position(
+    db_pool: &PgPool,
+    request: PositionRequest,
+) -> Result<common::proto::multieko2::uctovnictvo::UctovnictvoResponse, Status> {
+    if request.position < 1 {
+        return Err(Status::invalid_argument("Position must be at least 1"));
+    }
+
+    // Find the ID of the Nth non-deleted record
+    let id: i64 = sqlx::query_scalar!(
+        r#"
+        SELECT id
+        FROM uctovnictvo
+        WHERE deleted = FALSE
+        ORDER BY id ASC
+        OFFSET $1
+        LIMIT 1
+        "#,
+        request.position - 1
+    )
+    .fetch_optional(db_pool)
+    .await
+    .map_err(|e| Status::internal(e.to_string()))?
+    .ok_or_else(|| Status::not_found("Position out of bounds"))?;
+
+    // Now fetch the complete record using the existing get_uctovnictvo function
+    get_uctovnictvo(db_pool, common::proto::multieko2::uctovnictvo::GetUctovnictvoRequest { id }).await
+}