gotosocial/internal/processing/status/fave.go
2021-12-20 18:42:19 +01:00

103 lines
3.8 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 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 status
import (
"context"
"errors"
"fmt"
"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"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
func (p *processor) Fave(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode) {
targetStatus, err := p.db.GetStatusByID(ctx, targetStatusID)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
}
if targetStatus.Account == nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
}
visible, err := p.filter.StatusVisible(ctx, targetStatus, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is visible: %s", targetStatus.ID, err))
}
if !visible {
return nil, gtserror.NewErrorNotFound(errors.New("status is not visible"))
}
if !targetStatus.Likeable {
return nil, gtserror.NewErrorForbidden(errors.New("status is not faveable"))
}
// first check if the status is already faved, if so we don't need to do anything
newFave := true
gtsFave := &gtsmodel.StatusFave{}
if err := p.db.GetWhere(ctx, []db.Where{{Key: "status_id", Value: targetStatus.ID}, {Key: "account_id", Value: requestingAccount.ID}}, gtsFave); err == nil {
// we already have a fave for this status
newFave = false
}
if newFave {
thisFaveID, err := id.NewULID()
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
// we need to create a new fave in the database
gtsFave := &gtsmodel.StatusFave{
ID: thisFaveID,
AccountID: requestingAccount.ID,
Account: requestingAccount,
TargetAccountID: targetStatus.AccountID,
TargetAccount: targetStatus.Account,
StatusID: targetStatus.ID,
Status: targetStatus,
URI: uris.GenerateURIForLike(requestingAccount.Username, thisFaveID),
}
if err := p.db.Put(ctx, gtsFave); err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error putting fave in database: %s", err))
}
// send it back to the processor for async processing
p.fromClientAPI <- messages.FromClientAPI{
APObjectType: ap.ActivityLike,
APActivityType: ap.ActivityCreate,
GTSModel: gtsFave,
OriginAccount: requestingAccount,
TargetAccount: targetStatus.Account,
}
}
// return the apidon representation of the target status
apiStatus, err := p.tc.StatusToAPIStatus(ctx, targetStatus, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status %s to frontend representation: %s", targetStatus.ID, err))
}
return apiStatus, nil
}