package federatingdb import ( "context" "fmt" "net/url" "github.com/go-fed/activity/streams" "github.com/go-fed/activity/streams/vocab" "github.com/sirupsen/logrus" "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/util" ) // Followers obtains the Followers Collection for an actor with the // given id. // // If modified, the library will then call Update. // // The library makes this call only after acquiring a lock first. func (f *federatingDB) Followers(c context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) { l := f.log.WithFields( logrus.Fields{ "func": "Followers", "actorIRI": actorIRI.String(), }, ) l.Debugf("entering FOLLOWERS function with actorIRI %s", actorIRI.String()) acct := >smodel.Account{} if util.IsUserPath(actorIRI) { if err := f.db.GetWhere([]db.Where{{Key: "uri", Value: actorIRI.String()}}, acct); err != nil { return nil, fmt.Errorf("db error getting account with uri %s: %s", actorIRI.String(), err) } } else if util.IsFollowersPath(actorIRI) { if err := f.db.GetWhere([]db.Where{{Key: "followers_uri", Value: actorIRI.String()}}, acct); err != nil { return nil, fmt.Errorf("db error getting account with followers uri %s: %s", actorIRI.String(), err) } } else { return nil, fmt.Errorf("could not parse actor IRI %s as users or followers path", actorIRI.String()) } acctFollowers := []gtsmodel.Follow{} if err := f.db.GetFollowersByAccountID(acct.ID, &acctFollowers); err != nil { return nil, fmt.Errorf("db error getting followers for account id %s: %s", acct.ID, err) } followers = streams.NewActivityStreamsCollection() items := streams.NewActivityStreamsItemsProperty() for _, follow := range acctFollowers { gtsFollower := >smodel.Account{} if err := f.db.GetByID(follow.AccountID, gtsFollower); err != nil { return nil, fmt.Errorf("db error getting account id %s: %s", follow.AccountID, err) } uri, err := url.Parse(gtsFollower.URI) if err != nil { return nil, fmt.Errorf("error parsing %s as url: %s", gtsFollower.URI, err) } items.AppendIRI(uri) } followers.SetActivityStreamsItems(items) return }