80 lines
2.4 KiB
Go
80 lines
2.4 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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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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"codeberg.org/gruf/go-kv"
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"github.com/superseriousbusiness/activity/streams/vocab"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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)
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// Following obtains the Following 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) Following(ctx context.Context, actorIRI *url.URL) (following vocab.ActivityStreamsCollection, err error) {
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l := log.WithFields(kv.Fields{
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{"id", actorIRI},
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}...)
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l.Debug("entering Following")
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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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acctFollowing, err := f.db.GetAccountFollows(ctx, acct.ID)
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if err != nil {
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return nil, fmt.Errorf("Following: db error getting following 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 acctFollowing {
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if follow.TargetAccount == nil {
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a, err := f.db.GetAccountByID(ctx, follow.TargetAccountID)
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if err != nil {
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errWrapped := fmt.Errorf("Following: db error getting account id %s: %s", follow.TargetAccountID, 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.TargetAccount = a
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}
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u, err := url.Parse(follow.TargetAccount.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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