Example #1
0
// CreateResult saves a new result when a coder starts a challenge.
func CreateResult(ctx context.Context, w http.ResponseWriter, r *http.Request) (int, error) {
	if r.Method != "POST" {
		return http.StatusMethodNotAllowed, nil
	}

	var body = struct {
		ChallengeKey string
	}{}

	p, ok := passenger.FromContext(ctx)

	if !ok {
		return http.StatusUnauthorized, nil
	}

	var profiles model.Profiles
	keys, err := model.NewQueryForProfile().
		Ancestor(p.User).
		GetAll(ctx, &profiles)

	if len(keys) != 1 {
		return http.StatusInternalServerError, errors.New("Profile not found")
	}

	err = json.NewDecoder(r.Body).Decode(&body)

	if err != nil {
		return http.StatusBadRequest, err
	}

	key, err := datastore.DecodeKey(body.ChallengeKey)

	if err != nil {
		return http.StatusBadRequest, err
	}

	var results []model.Result

	resultKeys, err := model.NewQueryForResult().
		Ancestor(keys[0]).
		Filter("Challenge = ", key).
		Limit(1).
		GetAll(ctx, &results)

	if err != nil {
		return http.StatusInternalServerError, err
	}

	if len(resultKeys) == 1 {
		json.NewEncoder(w).Encode(results[0].Key(resultKeys[0]))
		return http.StatusOK, nil
	}

	var challenge model.Challenge
	if err = datastore.Get(ctx, key, &challenge); err != nil {
		return http.StatusInternalServerError, err
	}

	result := model.Result{
		Challenge:        key,
		StartTimes:       make([]time.Time, len(challenge.Tasks)),
		FinalSubmissions: make([]*datastore.Key, len(challenge.Tasks)),
		Started:          time.Now(),
	}
	key, err = result.PutWithParent(ctx, keys[0])
	if err != nil {
		return http.StatusInternalServerError, err
	}

	json.NewEncoder(w).Encode(result.Key(key))
	return http.StatusOK, nil
}