func createFinalResult(ctx context.Context, w http.ResponseWriter, resultKey *datastore.Key, result model.Result) (int, error) {
go computeFinalScore(ctx, result)
var challenge model.Challenge
if err := datastore.Get(ctx, result.Challenge, &challenge); err != nil {
return http.StatusInternalServerError, nil
}
var taskKey *datastore.Key
for _, taskKey = range challenge.Tasks {
switch taskKey.Kind() {
case model.CodeTaskKind:
var submissions model.CodeSubmissions
keys, err := doQuery(ctx, model.NewQueryForCodeSubmission(), resultKey, taskKey, submissions)
if err != nil {
return http.StatusInternalServerError, nil
}
if len(keys) == 0 {
// Most likely the authenticated user called this endpoint
// before finishing the challenge
return http.StatusUnauthorized, nil
}
result.FinalSubmissions = append(result.FinalSubmissions, keys[0])
//TODO(pbochis, vbalan, flowlo): Add more cases when more task kinds are added.
default:
return http.StatusBadRequest, errors.New("Unknown submission kind.")
}
}
key, err := result.Save(ctx, resultKey)
if err != nil {
return http.StatusInternalServerError, err
}
json.NewEncoder(w).Encode(result.Key(key))
return http.StatusOK, nil
}
func ktoi(key *datastore.Key) id {
return id{
kind: key.Kind(),
stringID: key.StringID(),
intID: key.IntID(),
appID: key.AppID(),
namespace: key.Namespace(),
}
}
func buildKey(req *wcg.Request, key *datastore.Key) *datastore.Key {
kind := entities.FindKind(key.Kind(), key.Namespace())
if kind == nil {
return nil
}
if key.Parent() != nil {
return kind.NewKey(req, key.StringID(), buildKey(req, key.Parent()))
}
return kind.NewKey(req, key.StringID(), nil)
}
func buildDatastoreKey(key *datastore.Key) (map[string]bigquery.JsonValue, error) {
if key == nil {
return map[string]bigquery.JsonValue{
"namespace": "",
"app": "",
"path": "",
"kind": "",
"name": "",
"id": 0,
}, nil
}
var workKey = key
var keys []*datastore.Key
keys = append(keys, key)
for {
if workKey.Parent() == nil {
break
}
keys = append(keys, workKey.Parent())
workKey = workKey.Parent()
}
var buf bytes.Buffer
for i := len(keys) - 1; i >= 0; i-- {
if buf.Len() > 0 {
_, err := buf.WriteString(", ")
if err != nil {
return map[string]bigquery.JsonValue{}, nil
}
}
key := keys[i]
if len(key.StringID()) < 1 {
_, err := buf.WriteString(fmt.Sprintf(`"%s", "%s"`, keys[i].Kind(), keys[i].IntID()))
if err != nil {
return map[string]bigquery.JsonValue{}, nil
}
} else {
_, err := buf.WriteString(fmt.Sprintf(`"%s", "%s"`, keys[i].Kind(), keys[i].StringID()))
if err != nil {
return map[string]bigquery.JsonValue{}, nil
}
}
}
return map[string]bigquery.JsonValue{
"namespace": key.Namespace(),
"app": key.AppID(),
"path": buf.String(),
"kind": key.Kind(),
"name": key.StringID(),
"id": key.IntID(),
}, nil
}
func nameObject(key *datastore.Key) string {
name := ""
for key != nil {
id := key.StringID()
if id == "" {
id = strconv.FormatInt(key.IntID(), 10)
}
name = "/" + key.Kind() + "/" + id + name
key = key.Parent()
}
// NOTE: The name of a GCS object must not be prefixed "/",
// this will give you a major headache.
return name[1:]
}
// createQuery builds a range query using start and end. It works
// for [start,end[, [start,nil] and [start,start] intervals. The
// returned query is sorted by __key__ and limited to BatchSize.
func createQuery(start, end *datastore.Key, cur datastore.Cursor) *datastore.Query {
q := datastore.NewQuery(start.Kind())
if start.Equal(end) {
q = q.Filter("__key__ =", start)
} else {
q = q.Filter("__key__ >=", start)
if end != nil {
q = q.Filter("__key__ <", end)
}
}
if cur.String() != "" {
q = q.Start(cur)
}
q = q.Order("__key__")
return q
}
// cmpKey compares k and other, returning -1, 0 or 1 if k is
// less than, equal or grather than other. The algorithm doesn't
// takes into account any ancestors in the two keys. The order
// of comparision is AppID, Kind, IntID and StringID. Keys with
// integer identifiers are smaller than string identifiers.
func cmpKey(k, other *datastore.Key) int {
if k == other {
return 0
}
if r := cmpStr(k.AppID(), other.AppID()); r != 0 {
return r
}
if r := cmpStr(k.Kind(), other.Kind()); r != 0 {
return r
}
if k.IntID() != 0 {
if other.IntID() == 0 {
return -1
}
return cmpInt(k.IntID(), other.IntID())
}
if other.IntID() != 0 {
return 1
}
return cmpStr(k.StringID(), other.StringID())
}
func ParseEntityFromKey(ctx context.Context, key *datastore.Key) (DataModel, error) {
ty := key.Kind()
var err error
switch ty {
case "Category":
var m Category
err = datastore.Get(ctx, key, &m)
return m, nil
case "Location":
var m Location
err = datastore.Get(ctx, key, &m)
return m, nil
case "Post":
var p Post
err = datastore.Get(ctx, key, &p)
return p, nil
}
if err != nil {
return nil, err
}
return nil, nil
}
// dsR2F (DS real-to-fake) converts an SDK Key to a ds.Key
func dsR2F(k *datastore.Key) *ds.Key {
if k == nil {
return nil
}
aid := k.AppID()
ns := k.Namespace()
count := 0
for nk := k; nk != nil; nk = nk.Parent() {
count++
}
toks := make([]ds.KeyTok, count)
for ; k != nil; k = k.Parent() {
count--
toks[count].Kind = k.Kind()
toks[count].StringID = k.StringID()
toks[count].IntID = k.IntID()
}
return ds.NewKeyToks(aid, ns, toks)
}
func (g *Goon) setStructKey(src interface{}, key *datastore.Key) error {
v := reflect.ValueOf(src)
t := v.Type()
k := t.Kind()
if k != reflect.Ptr {
return fmt.Errorf("goon: Expected pointer to struct, got instead: %v", k)
}
v = reflect.Indirect(v)
t = v.Type()
k = t.Kind()
if k != reflect.Struct {
return fmt.Errorf(fmt.Sprintf("goon: Expected struct, got instead: %v", k))
}
idSet := false
kindSet := false
parentSet := false
for i := 0; i < v.NumField(); i++ {
tf := t.Field(i)
vf := v.Field(i)
if !vf.CanSet() {
continue
}
tag := tf.Tag.Get("goon")
tagValues := strings.Split(tag, ",")
if len(tagValues) > 0 {
tagValue := tagValues[0]
if tagValue == "id" {
if idSet {
return fmt.Errorf("goon: Only one field may be marked id")
}
switch vf.Kind() {
case reflect.Int64:
vf.SetInt(key.IntID())
idSet = true
case reflect.String:
vf.SetString(key.StringID())
idSet = true
}
} else if tagValue == "kind" {
if kindSet {
return fmt.Errorf("goon: Only one field may be marked kind")
}
if vf.Kind() == reflect.String {
if (len(tagValues) <= 1 || key.Kind() != tagValues[1]) && g.KindNameResolver(src) != key.Kind() {
vf.Set(reflect.ValueOf(key.Kind()))
}
kindSet = true
}
} else if tagValue == "parent" {
if parentSet {
return fmt.Errorf("goon: Only one field may be marked parent")
}
dskeyType := reflect.TypeOf(&datastore.Key{})
vfType := vf.Type()
if vfType.ConvertibleTo(dskeyType) {
vf.Set(reflect.ValueOf(key.Parent()).Convert(vfType))
parentSet = true
}
}
}
}
if !idSet {
return fmt.Errorf("goon: Could not set id field")
}
return nil
}