59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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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/superseriousbusiness/activity/streams/vocab"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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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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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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// Fetch followers for account from database.
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follows, err := f.state.DB.GetAccountFollowers(ctx, acct.ID, nil)
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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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// Convert the followers to a slice of account URIs.
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iris := make([]*url.URL, 0, len(follows))
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for _, follow := range follows {
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u, err := url.Parse(follow.Account.URI)
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if err != nil {
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return nil, gtserror.Newf("invalid account uri: %v", 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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