gotosocial/internal/processing/account/lists.go

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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package account
import (
"context"
"errors"
"fmt"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
var noLists = make([]*apimodel.List, 0)
// ListsGet returns all lists owned by requestingAccount, which contain a follow for targetAccountID.
func (p *Processor) ListsGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string) ([]*apimodel.List, gtserror.WithCode) {
targetAccount, err := p.state.DB.GetAccountByID(ctx, targetAccountID)
if err != nil {
if errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorNotFound(errors.New("account not found"))
}
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error: %w", err))
}
visible, err := p.filter.AccountVisible(ctx, requestingAccount, targetAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error: %w", err))
}
if !visible {
return nil, gtserror.NewErrorNotFound(errors.New("account not found"))
}
// Requester has to follow targetAccount
// for them to be in any of their lists.
follow, err := p.state.DB.GetFollow(
// Don't populate follow.
gtscontext.SetBarebones(ctx),
requestingAccount.ID,
targetAccountID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error: %w", err))
}
if follow == nil {
return noLists, nil // by definition we know they're in no lists
}
listEntries, err := p.state.DB.GetListEntriesForFollowID(
// Don't populate entries.
gtscontext.SetBarebones(ctx),
follow.ID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error: %w", err))
}
count := len(listEntries)
if count == 0 {
return noLists, nil
}
apiLists := make([]*apimodel.List, 0, count)
for _, listEntry := range listEntries {
list, err := p.state.DB.GetListByID(
// Don't populate list.
gtscontext.SetBarebones(ctx),
listEntry.ListID,
)
if err != nil {
log.Debugf(ctx, "skipping list %s due to error %q", listEntry.ListID, err)
continue
}
apiList, err := p.converter.ListToAPIList(ctx, list)
if err != nil {
log.Debugf(ctx, "skipping list %s due to error %q", listEntry.ListID, err)
continue
}
apiLists = append(apiLists, apiList)
}
return apiLists, nil
}