9 "github.com/google/uuid"
10 legacy_context "golang.org/x/net/context"
12 "google.golang.org/appengine/datastore"
13 "google.golang.org/appengine/log"
25 func NewUser(ctx context.Context, email string) (*User, error) {
26 err := datastore.RunInTransaction(ctx, func(ctx legacy_context.Context) error {
27 key := datastore.NewKey(ctx, "User", email, 0, nil)
28 if err := datastore.Get(ctx, key, &dbUser{}); err != datastore.ErrNoSuchEntity {
29 return err // may be nil
32 _, err := datastore.Put(ctx, key, &dbUser{
33 ID: uuid.New().String(),
43 key: datastore.NewKey(ctx, "User", email, 0, nil),
47 func UserByID(ctx context.Context, id string) (*User, error) {
48 q := datastore.NewQuery("User").Filter("ID=", id).KeysOnly()
49 keys, err := q.GetAll(ctx, nil)
51 return nil, fmt.Errorf("datastore.Query.GetAll(): %v", err)
54 return nil, fmt.Errorf("len(keys) = %d, want 1", len(keys))
58 Email: keys[0].StringID(),
63 func (u *User) ID(ctx context.Context) (string, error) {
65 if err := datastore.Get(ctx, u.key, &db); err != nil {
72 func (u *User) Token(ctx context.Context, svc string) (*oauth2.Token, error) {
73 key := datastore.NewKey(ctx, "Token", svc, 0, u.key)
76 if err := datastore.Get(ctx, key, &tok); err != nil {
83 func (u *User) SetToken(ctx context.Context, svc string, tok *oauth2.Token) error {
84 key := datastore.NewKey(ctx, "Token", svc, 0, u.key)
85 _, err := datastore.Put(ctx, key, tok)
89 func (u *User) OAuthClient(ctx context.Context, svc string, cfg *oauth2.Config) (*http.Client, error) {
90 key := datastore.NewKey(ctx, "Token", svc, 0, u.key)
93 if err := datastore.Get(ctx, key, &tok); err != nil {
97 src := cfg.TokenSource(ctx, &tok)
98 return oauth2.NewClient(ctx, &persistingTokenSource{
106 type persistingTokenSource struct {
109 src oauth2.TokenSource
115 func (s *persistingTokenSource) Token() (*oauth2.Token, error) {
119 tok, err := s.src.Token()
124 if s.t.RefreshToken != tok.RefreshToken {
125 if _, err := datastore.Put(s.ctx, s.key, tok); err != nil {
126 log.Errorf(s.ctx, "persisting OAuth token in datastore failed: %v", err)