64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package federatingdb
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import (
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"context"
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"fmt"
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"net/url"
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"github.com/go-fed/activity/streams/vocab"
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"github.com/sirupsen/logrus"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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)
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// Followers obtains the Followers Collection for an actor with the
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// given id.
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//
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// If modified, the library will then call Update.
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//
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// The library makes this call only after acquiring a lock first.
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func (f *federatingDB) Followers(ctx context.Context, actorIRI *url.URL) (followers vocab.ActivityStreamsCollection, err error) {
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l := logrus.WithFields(
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logrus.Fields{
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"func": "Followers",
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"id": actorIRI,
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},
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)
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l.Debug("entering Followers")
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acct, err := f.getAccountForIRI(ctx, actorIRI)
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if err != nil {
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return nil, err
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}
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acctFollowers, err := f.db.GetAccountFollowedBy(ctx, acct.ID, false)
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if err != nil {
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return nil, fmt.Errorf("Followers: db error getting followers for account id %s: %s", acct.ID, err)
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}
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iris := []*url.URL{}
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for _, follow := range acctFollowers {
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if follow.Account == nil {
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a, err := f.db.GetAccountByID(ctx, follow.AccountID)
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if err != nil {
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errWrapped := fmt.Errorf("Followers: db error getting account id %s: %s", follow.AccountID, err)
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if err == db.ErrNoEntries {
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// no entry for this account id so it's probably been deleted and we haven't caught up yet
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l.Error(errWrapped)
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continue
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} else {
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// proper error
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return nil, errWrapped
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}
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}
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follow.Account = a
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}
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u, err := url.Parse(follow.Account.URI)
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if err != nil {
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return nil, err
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}
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iris = append(iris, u)
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}
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return f.collectIRIs(ctx, iris)
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}
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