gotosocial/internal/processing/status/fave.go
2021-07-09 18:32:48 +02:00

101 lines
3.7 KiB
Go

package status
import (
"errors"
"fmt"
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/util"
)
func (p *processor) Fave(account *gtsmodel.Account, targetStatusID string) (*apimodel.Status, gtserror.WithCode) {
l := p.log.WithField("func", "StatusFave")
l.Tracef("going to search for target status %s", targetStatusID)
targetStatus := &gtsmodel.Status{}
if err := p.db.GetByID(targetStatusID, targetStatus); err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
}
l.Tracef("going to search for target account %s", targetStatus.AccountID)
targetAccount := &gtsmodel.Account{}
if err := p.db.GetByID(targetStatus.AccountID, targetAccount); err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching target account %s: %s", targetStatus.AccountID, err))
}
var boostOfStatus *gtsmodel.Status
if targetStatus.BoostOfID != "" {
boostOfStatus = &gtsmodel.Status{}
if err := p.db.GetByID(targetStatus.BoostOfID, boostOfStatus); err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching boosted status %s: %s", targetStatus.BoostOfID, err))
}
}
l.Trace("going to see if status is visible")
visible, err := p.filter.StatusVisible(targetStatus, account) // requestingAccount might well be nil here, but StatusVisible knows how to take care of that
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"))
}
// is the status faveable?
if targetStatus.VisibilityAdvanced != nil {
if !targetStatus.VisibilityAdvanced.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([]db.Where{{Key: "status_id", Value: targetStatus.ID}, {Key: "account_id", Value: account.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: account.ID,
TargetAccountID: targetAccount.ID,
StatusID: targetStatus.ID,
URI: util.GenerateURIForLike(account.Username, p.config.Protocol, p.config.Host, thisFaveID),
GTSStatus: targetStatus,
GTSTargetAccount: targetAccount,
GTSFavingAccount: account,
}
if err := p.db.Put(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 <- gtsmodel.FromClientAPI{
APObjectType: gtsmodel.ActivityStreamsLike,
APActivityType: gtsmodel.ActivityStreamsCreate,
GTSModel: gtsFave,
OriginAccount: account,
TargetAccount: targetAccount,
}
}
// return the mastodon representation of the target status
mastoStatus, err := p.tc.StatusToMasto(targetStatus, account)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status %s to frontend representation: %s", targetStatus.ID, err))
}
return mastoStatus, nil
}