mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-05-18 04:22:40 +00:00
109 lines
3.7 KiB
Go
109 lines
3.7 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"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/ap"
|
|
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/messages"
|
|
)
|
|
|
|
func (p *Processor) PollVote(ctx context.Context, requester *gtsmodel.Account, pollID string, choices []int) (*apimodel.Poll, gtserror.WithCode) {
|
|
// Get (+ check visibility of) requested poll with ID.
|
|
poll, errWithCode := p.getTargetPoll(ctx, requester, pollID)
|
|
if errWithCode != nil {
|
|
return nil, errWithCode
|
|
}
|
|
|
|
switch {
|
|
// Poll author isn't allowed to vote in their own poll.
|
|
case requester.ID == poll.Status.AccountID:
|
|
const text = "you can't vote in your own poll"
|
|
return nil, gtserror.NewErrorUnprocessableEntity(errors.New(text), text)
|
|
|
|
// Poll has already closed, no more voting!
|
|
case !poll.ClosedAt.IsZero():
|
|
const text = "poll already closed"
|
|
return nil, gtserror.NewErrorUnprocessableEntity(errors.New(text), text)
|
|
|
|
// No choices given, or multiple given for single-choice poll.
|
|
case len(choices) == 0 || (!*poll.Multiple && len(choices) > 1):
|
|
const text = "invalid number of choices for poll"
|
|
return nil, gtserror.NewErrorBadRequest(errors.New(text), text)
|
|
}
|
|
|
|
for _, choice := range choices {
|
|
if choice < 0 || choice >= len(poll.Options) {
|
|
// This is an invalid choice (index out of range).
|
|
const text = "invalid option index for poll"
|
|
return nil, gtserror.NewErrorBadRequest(errors.New(text), text)
|
|
}
|
|
}
|
|
|
|
// Wrap the choices in a PollVote model.
|
|
vote := >smodel.PollVote{
|
|
ID: id.NewULID(),
|
|
Choices: choices,
|
|
AccountID: requester.ID,
|
|
Account: requester,
|
|
PollID: pollID,
|
|
Poll: poll,
|
|
}
|
|
|
|
// Insert the new poll votes into the database.
|
|
err := p.state.DB.PutPollVote(ctx, vote)
|
|
switch {
|
|
|
|
case err == nil:
|
|
// no issue.
|
|
|
|
case errors.Is(err, db.ErrAlreadyExists):
|
|
// Users cannot vote multiple *times* (not choices).
|
|
const text = "you have already voted in poll"
|
|
return nil, gtserror.NewErrorUnprocessableEntity(err, text)
|
|
|
|
default:
|
|
// Any other irrecoverable database error.
|
|
err := gtserror.Newf("error inserting poll vote: %w", err)
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
// Enqueue worker task to handle side-effects of user poll vote(s).
|
|
p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
|
|
APActivityType: ap.ActivityCreate,
|
|
APObjectType: ap.ActivityQuestion,
|
|
GTSModel: vote, // the vote choices
|
|
OriginAccount: requester,
|
|
})
|
|
|
|
// Before returning the converted poll model,
|
|
// increment the vote counts on our local copy
|
|
// to get latest, instead of another db query.
|
|
poll.IncrementVotes(choices)
|
|
|
|
// Return converted API model poll.
|
|
return p.toAPIPoll(ctx, requester, poll)
|
|
}
|