gotosocial/internal/processing/polls/poll.go

91 lines
3.1 KiB
Go

// 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 polls
import (
"context"
"errors"
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/processing/common"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
)
type Processor struct {
// common processor logic
c *common.Processor
state *state.State
converter *typeutils.Converter
}
func New(common *common.Processor, state *state.State, converter *typeutils.Converter) Processor {
return Processor{
c: common,
state: state,
converter: converter,
}
}
// getTargetPoll fetches a target poll ID for requesting account, taking visibility of the poll's originating status into account.
func (p *Processor) getTargetPoll(ctx context.Context, requestingAccount *gtsmodel.Account, targetID string) (*gtsmodel.Poll, gtserror.WithCode) {
// Load the requested poll with ID.
// (barebones as we fetch status below)
poll, err := p.state.DB.GetPollByID(
gtscontext.SetBarebones(ctx),
targetID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
if poll == nil {
// No poll could be found for given ID.
const text = "target poll not found"
return nil, gtserror.NewErrorNotFound(
errors.New(text),
text,
)
}
// Check that we can see + fetch the originating status for requesting account.
status, errWithCode := p.c.GetVisibleTargetStatus(ctx, requestingAccount, poll.StatusID)
if errWithCode != nil {
return nil, errWithCode
}
// Update poll status.
poll.Status = status
return poll, nil
}
// toAPIPoll converrts a given Poll to frontend API model, returning an appropriate error with HTTP code on failure.
func (p *Processor) toAPIPoll(ctx context.Context, requester *gtsmodel.Account, poll *gtsmodel.Poll) (*apimodel.Poll, gtserror.WithCode) {
apiPoll, err := p.converter.PollToAPIPoll(ctx, requester, poll)
if err != nil {
err := gtserror.Newf("error converting to api model: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
return apiPoll, nil
}