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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/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// Following obtains the Following 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) Following(c context.Context, actorIRI *url.URL) (following vocab.ActivityStreamsCollection, err error) {
l := f.log.WithFields(
logrus.Fields{
"func": "Following",
"actorIRI": actorIRI.String(),
},
)
l.Debugf("entering FOLLOWING function with actorIRI %s", actorIRI.String())
var acct *gtsmodel.Account
if util.IsUserPath(actorIRI) {
username, err := util.ParseUserPath(actorIRI)
if err != nil {
return nil, fmt.Errorf("FOLLOWING: error parsing user path: %s", err)
}
a, err := f.db.GetLocalAccountByUsername(username)
if err != nil {
return nil, fmt.Errorf("FOLLOWING: db error getting account with uri %s: %s", actorIRI.String(), err)
}
acct = a
} else if util.IsFollowingPath(actorIRI) {
username, err := util.ParseFollowingPath(actorIRI)
if err != nil {
return nil, fmt.Errorf("FOLLOWING: error parsing following path: %s", err)
}
a, err := f.db.GetLocalAccountByUsername(username)
if err != nil {
return nil, fmt.Errorf("FOLLOWING: db error getting account with following uri %s: %s", actorIRI.String(), err)
}
acct = a
} else {
return nil, fmt.Errorf("FOLLOWING: could not parse actor IRI %s as users or following path", actorIRI.String())
}
acctFollowing, err := f.db.GetAccountFollows(acct.ID)
if err != nil {
return nil, fmt.Errorf("FOLLOWING: db error getting following for account id %s: %s", acct.ID, err)
}
following = streams.NewActivityStreamsCollection()
items := streams.NewActivityStreamsItemsProperty()
for _, follow := range acctFollowing {
gtsFollowing := >smodel.Account{}
if err := f.db.GetByID(follow.AccountID, gtsFollowing); err != nil {
return nil, fmt.Errorf("FOLLOWING: db error getting account id %s: %s", follow.AccountID, err)
}
uri, err := url.Parse(gtsFollowing.URI)
if err != nil {
return nil, fmt.Errorf("FOLLOWING: error parsing %s as url: %s", gtsFollowing.URI, err)
}
items.AppendIRI(uri)
}
following.SetActivityStreamsItems(items)
return
}
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