gotosocial/internal/processing/account/bookmarks.go

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/*
GoToSocial
Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// BookmarksGet returns a pageable response of statuses that are bookmarked by requestingAccount.
// Paging for this response is done based on bookmark ID rather than status ID.
func (p *Processor) BookmarksGet(ctx context.Context, requestingAccount *gtsmodel.Account, limit int, maxID string, minID string) (*apimodel.PageableResponse, gtserror.WithCode) {
bookmarks, err := p.state.DB.GetBookmarks(ctx, requestingAccount.ID, limit, maxID, minID)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
var (
count = len(bookmarks)
items = make([]interface{}, 0, count)
nextMaxIDValue = id.Highest
prevMinIDValue = id.Lowest
)
for _, bookmark := range bookmarks {
status, err := p.state.DB.GetStatusByID(ctx, bookmark.StatusID)
if err != nil {
if errors.Is(err, db.ErrNoEntries) {
// We just don't have the status for some reason.
// Skip this one.
continue
}
return nil, gtserror.NewErrorInternalError(err) // A real error has occurred.
}
visible, err := p.filter.StatusVisible(ctx, status, requestingAccount)
if err != nil {
log.Errorf(ctx, "error checking bookmarked status visibility: %s", err)
continue
}
if !visible {
continue
}
// Convert the status.
item, err := p.tc.StatusToAPIStatus(ctx, status, requestingAccount)
if err != nil {
log.Errorf(ctx, "error converting bookmarked status to api: %s", err)
continue
}
items = append(items, item)
// Page based on bookmark ID, not status ID.
// Note that we only set these values here
// when we're certain that the caller is able
// to see the status, *and* we're sure that
// we can produce an api model representation.
if bookmark.ID < nextMaxIDValue {
nextMaxIDValue = bookmark.ID // Lowest ID (for paging down).
}
if bookmark.ID > prevMinIDValue {
prevMinIDValue = bookmark.ID // Highest ID (for paging up).
}
}
if len(items) == 0 {
return util.EmptyPageableResponse(), nil
}
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: "/api/v1/bookmarks",
NextMaxIDValue: nextMaxIDValue,
PrevMinIDValue: prevMinIDValue,
Limit: limit,
})
}