Exemple #1
0
func TestsByTaskKey(ctx context.Context, w http.ResponseWriter, r *http.Request) (status int, err error) {
	_, ok := passenger.FromContext(ctx)
	if !ok {
		return http.StatusUnauthorized, nil
	}

	if r.Method != "GET" {
		return http.StatusMethodNotAllowed, nil
	}

	taskKey, err := datastore.DecodeKey(mux.Vars(r)["key"])
	if err != nil {
		return http.StatusInternalServerError, err
	}

	var tests model.Tests
	var testKeys []*datastore.Key
	if testKeys, err = model.NewQueryForTest().Ancestor(taskKey).GetAll(ctx, &tests); err != nil {
		return http.StatusInternalServerError, err
	}

	json.NewEncoder(w).Encode(tests.Key(testKeys))
	return http.StatusOK, nil
}
Exemple #2
0
// PostSubmission creates a new submission.
func PostSubmission(ctx context.Context, w http.ResponseWriter, r *http.Request) (status int, err error) {
	if r.Method != "POST" {
		return http.StatusMethodNotAllowed, nil
	}

	p, ok := passenger.FromContext(ctx)
	if !ok {
		return http.StatusUnauthorized, nil
	}

	mediaType, _, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
	if err != nil {
		return http.StatusBadRequest, err
	}
	if !strings.HasPrefix(mediaType, "multipart/") {
		return http.StatusUnsupportedMediaType, nil
	}

	resultKey, err := datastore.DecodeKey(mux.Vars(r)["resultKey"])
	if err != nil {
		return http.StatusNotFound, err
	}

	if !util.HasParent(p.User, resultKey) {
		return http.StatusBadRequest, errors.New("cannot submit answer for other users")
	}

	taskKey, err := datastore.DecodeKey(mux.Vars(r)["taskKey"])
	if err != nil {
		return http.StatusNotFound, err
	}

	if err := r.ParseMultipartForm(16 << 20); err != nil {
		return http.StatusBadRequest, err
	}

	files, ok := r.MultipartForm.File["files"]
	if !ok {
		return http.StatusBadRequest, errors.New("missing files")
	}

	var task model.Task
	if err = datastore.Get(ctx, taskKey, &task); err != nil {
		return http.StatusNotFound, err
	}

	// Furthermore, the name of the GCS object is derived from the of the
	// encapsulating Submission. To avoid race conditions, allocate an ID.
	low, _, err := datastore.AllocateIDs(ctx, model.SubmissionKind, resultKey, 1)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	submissionKey := datastore.NewKey(ctx, model.SubmissionKind, "", low, resultKey)
	storedCode := model.StoredObject{
		Bucket: util.SubmissionBucket(),
		Name:   nameObject(submissionKey) + "/Code/",
	}
	submission := model.Submission{
		Task:     taskKey,
		Time:     time.Now(),
		Language: detectLanguage(files),
		Code:     storedCode,
	}

	if _, err = datastore.Put(ctx, submissionKey, &submission); err != nil {
		return http.StatusInternalServerError, err
	}

	var tests model.Tests
	testKeys, err := model.NewQueryForTest().
		Ancestor(taskKey).
		GetAll(ctx, &tests)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	prrs, pwrs := multiPipe(len(tests))

	go maketar(pwrs, files)

	for i, t := range tests {
		go func(i int, t model.Test) {
			if err := test.Tester(t.Tester).Call(ctx, *t.Key(testKeys[i]), *submission.Key(submissionKey), prrs[i]); err != nil {
				log.Warningf(ctx, "%s", err)
			}
		}(i, t)
	}

	if err := upload(util.CloudContext(ctx), storedCode.Bucket, storedCode.Name, files); err != nil {
		return http.StatusInternalServerError, err
	}

	return http.StatusOK, nil
}
Exemple #3
0
// PostSubmission creates a new submission.
func PostSubmission(ctx context.Context, w http.ResponseWriter, r *http.Request) (status int, err error) {
	if r.Method != "POST" {
		return http.StatusMethodNotAllowed, nil
	}

	var body = struct {
		Code     string
		Language string
	}{}

	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
		return http.StatusBadRequest, err
	}

	p, ok := passenger.FromContext(ctx)
	if !ok {
		return http.StatusUnauthorized, nil
	}

	resultKey, err := datastore.DecodeKey(mux.Vars(r)["resultKey"])
	if err != nil {
		return http.StatusNotFound, err
	}

	if !util.HasParent(p.User, resultKey) {
		return http.StatusBadRequest, errors.New("cannot submit answer for other users")
	}

	taskKey, err := datastore.DecodeKey(mux.Vars(r)["taskKey"])
	if err != nil {
		return http.StatusNotFound, err
	}

	var task model.Task
	if err = datastore.Get(ctx, taskKey, &task); err != nil {
		return http.StatusInternalServerError, err
	}

	// Furthermore, the name of the GCS object is derived from the of the
	// encapsulating Submission. To avoid race conditions, allocate an ID.
	low, _, err := datastore.AllocateIDs(ctx, model.SubmissionKind, resultKey, 1)
	if err != nil {
		return http.StatusInternalServerError, err
	}

	submissionKey := datastore.NewKey(ctx, model.SubmissionKind, "", low, resultKey)

	submission := model.Submission{
		Task: taskKey,
		Time: time.Now(),
	}

	if body.Code != "" {
		submission.Code, err = store(ctx, submissionKey, body.Code, body.Language)
		if err != nil {
			return http.StatusInternalServerError, err
		}
		submission.Language = body.Language
	}

	// Set the submission in stone.
	if _, err = datastore.Put(ctx, submissionKey, &submission); err != nil {
		return http.StatusInternalServerError, err
	}

	var tests model.Tests
	_, err = model.NewQueryForTest().
		Ancestor(taskKey).
		GetAll(ctx, &tests)

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

	for _, t := range tests {
		if err := test.Tester(t.Tester).Call(ctx, t.Params, *submission.Key(submissionKey)); err != nil {
			log.Warningf(ctx, "%s", err)
			continue
		}
	}

	// TODO(flowlo): Return something meaningful.

	return http.StatusOK, nil
}