1package signin
 2
 3import (
 4	"context"
 5	"errors"
 6
 7	"tug/internal/storage"
 8	"tug/internal/transport/web"
 9)
10
11type googleLinks struct {
12	a account
13}
14
15var _ web.GoogleLinks = googleLinks{}
16
17var googleProblems = []struct {
18	err  error
19	want error
20}{
21	{storage.ErrGoogleLinkedElsewhere, web.ErrGoogleLinkedElsewhere},
22	{storage.ErrGoogleAlreadyLinked, web.ErrGoogleAlreadyLinked},
23	{storage.ErrGoogleNotLinked, web.ErrGoogleNotLinked},
24	{storage.ErrInvalid, web.ErrNoSession},
25}
26
27func googleError(err error) error {
28	for _, m := range googleProblems {
29		if errors.Is(err, m.err) {
30			return m.want
31		}
32	}
33	return err
34}
35
36func (g googleLinks) Link(ctx context.Context, p web.Principal, id web.GoogleIdentity) (web.AccountGoogleLink, error) {
37	link, err := g.a.s.LinkGoogle(ctx, g.a.principal(p), id.Subject)
38	if err != nil {
39		return web.AccountGoogleLink{}, googleError(err)
40	}
41	return web.AccountGoogleLink{LinkedAt: link.LinkedAt}, nil
42}
43
44func (g googleLinks) Unlink(ctx context.Context, p web.Principal) (web.AccountGoogleLink, error) {
45	link, _, err := g.a.s.UnlinkGoogle(ctx, g.a.principal(p))
46	if err != nil {
47		return web.AccountGoogleLink{}, googleError(err)
48	}
49	return web.AccountGoogleLink{LinkedAt: link.LinkedAt}, nil
50}