Function complete_task

FullStackRust/backend/src/api/task.rs:161–172

(
    ddb_repo: Data<DDBRepository>, 
    task_identifier: Path<TaskIdentifier>,
    completion_request: Json<TaskCompletionRequest>
)

#[put("/task/{task_global_id}/complete")]
pub async fn complete_task(
    ddb_repo: Data<DDBRepository>, 
    task_identifier: Path<TaskIdentifier>,
    completion_request: Json<TaskCompletionRequest>
) -> Result<Json<TaskIdentifier>, TaskError> {
    state_transition(
        ddb_repo, 
        task_identifier.into_inner().task_global_id, 
        TaskState::Completed, 
        Some(completion_request.result_file.clone())
    ).await
}