gotosocial/internal/processing/status/boost.go
tobi b6fbdc66c1
[chore] Deinterface processor and subprocessors (#1501)
* [chore] Deinterface processor and subprocessors

* expose subprocessors via function calls

* missing license header
2023-02-22 16:05:26 +01:00

247 lines
9 KiB
Go

/*
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 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/messages"
)
// BoostCreate processes the boost/reblog of a given status, returning the newly-created boost if all is well.
func (p *Processor) BoostCreate(ctx context.Context, requestingAccount *gtsmodel.Account, application *gtsmodel.Application, 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))
}
// if targetStatusID refers to a boost, then we should redirect
// the target to being the status that was boosted; if we don't
// do this, then we end up in weird situations where people
// boost boosts, and it looks absolutely bizarre in the UI
if targetStatus.BoostOfID != "" {
if targetStatus.BoostOf == nil {
b, err := p.db.GetStatusByID(ctx, targetStatus.BoostOfID)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("couldn't fetch boosted status %s", targetStatus.BoostOfID))
}
targetStatus.BoostOf = b
}
targetStatus = targetStatus.BoostOf
}
boostable, err := p.filter.StatusBoostable(ctx, targetStatus, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is boostable: %s", targetStatus.ID, err))
}
if !boostable {
return nil, gtserror.NewErrorForbidden(errors.New("status is not boostable"))
}
// it's visible! it's boostable! so let's boost the FUCK out of it
boostWrapperStatus, err := p.tc.StatusToBoost(ctx, targetStatus, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
boostWrapperStatus.CreatedWithApplicationID = application.ID
boostWrapperStatus.BoostOfAccount = targetStatus.Account
// put the boost in the database
if err := p.db.PutStatus(ctx, boostWrapperStatus); err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
// send it back to the processor for async processing
p.clientWorker.Queue(messages.FromClientAPI{
APObjectType: ap.ActivityAnnounce,
APActivityType: ap.ActivityCreate,
GTSModel: boostWrapperStatus,
OriginAccount: requestingAccount,
TargetAccount: targetStatus.Account,
})
// return the frontend representation of the new status to the submitter
apiStatus, err := p.tc.StatusToAPIStatus(ctx, boostWrapperStatus, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status %s to frontend representation: %s", targetStatus.ID, err))
}
return apiStatus, nil
}
// BoostRemove processes the unboost/unreblog of a given status, returning the status if all is well.
func (p *Processor) BoostRemove(ctx context.Context, requestingAccount *gtsmodel.Account, application *gtsmodel.Application, 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"))
}
// check if we actually have a boost for this status
var toUnboost bool
gtsBoost := &gtsmodel.Status{}
where := []db.Where{
{
Key: "boost_of_id",
Value: targetStatusID,
},
{
Key: "account_id",
Value: requestingAccount.ID,
},
}
err = p.db.GetWhere(ctx, where, gtsBoost)
if err == nil {
// we have a boost
toUnboost = true
}
if err != nil {
// something went wrong in the db finding the boost
if err != db.ErrNoEntries {
return nil, gtserror.NewErrorInternalError(fmt.Errorf("error fetching existing boost from database: %s", err))
}
// we just don't have a boost
toUnboost = false
}
if toUnboost {
// pin some stuff onto the boost while we have it out of the db
gtsBoost.Account = requestingAccount
gtsBoost.BoostOf = targetStatus
gtsBoost.BoostOfAccount = targetStatus.Account
gtsBoost.BoostOf.Account = targetStatus.Account
// send it back to the processor for async processing
p.clientWorker.Queue(messages.FromClientAPI{
APObjectType: ap.ActivityAnnounce,
APActivityType: ap.ActivityUndo,
GTSModel: gtsBoost,
OriginAccount: requestingAccount,
TargetAccount: targetStatus.Account,
})
}
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
}
// StatusBoostedBy returns a slice of accounts that have boosted the given status, filtered according to privacy settings.
func (p *Processor) StatusBoostedBy(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) ([]*apimodel.Account, gtserror.WithCode) {
targetStatus, err := p.db.GetStatusByID(ctx, targetStatusID)
if err != nil {
wrapped := fmt.Errorf("BoostedBy: error fetching status %s: %s", targetStatusID, err)
if !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(wrapped)
}
return nil, gtserror.NewErrorNotFound(wrapped)
}
if boostOfID := targetStatus.BoostOfID; boostOfID != "" {
// the target status is a boost wrapper, redirect this request to the status it boosts
boostedStatus, err := p.db.GetStatusByID(ctx, boostOfID)
if err != nil {
wrapped := fmt.Errorf("BoostedBy: error fetching status %s: %s", boostOfID, err)
if !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(wrapped)
}
return nil, gtserror.NewErrorNotFound(wrapped)
}
targetStatus = boostedStatus
}
visible, err := p.filter.StatusVisible(ctx, targetStatus, requestingAccount)
if err != nil {
err = fmt.Errorf("BoostedBy: error seeing if status %s is visible: %s", targetStatus.ID, err)
return nil, gtserror.NewErrorNotFound(err)
}
if !visible {
err = errors.New("BoostedBy: status is not visible")
return nil, gtserror.NewErrorNotFound(err)
}
statusReblogs, err := p.db.GetStatusReblogs(ctx, targetStatus)
if err != nil {
err = fmt.Errorf("BoostedBy: error seeing who boosted status: %s", err)
return nil, gtserror.NewErrorNotFound(err)
}
// filter account IDs so the user doesn't see accounts they blocked or which blocked them
accountIDs := make([]string, 0, len(statusReblogs))
for _, s := range statusReblogs {
blocked, err := p.db.IsBlocked(ctx, requestingAccount.ID, s.AccountID, true)
if err != nil {
err = fmt.Errorf("BoostedBy: error checking blocks: %s", err)
return nil, gtserror.NewErrorNotFound(err)
}
if !blocked {
accountIDs = append(accountIDs, s.AccountID)
}
}
// TODO: filter other things here? suspended? muted? silenced?
// fetch accounts + create their API representations
apiAccounts := make([]*apimodel.Account, 0, len(accountIDs))
for _, accountID := range accountIDs {
account, err := p.db.GetAccountByID(ctx, accountID)
if err != nil {
wrapped := fmt.Errorf("BoostedBy: error fetching account %s: %s", accountID, err)
if !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(wrapped)
}
return nil, gtserror.NewErrorNotFound(wrapped)
}
apiAccount, err := p.tc.AccountToAPIAccountPublic(ctx, account)
if err != nil {
err = fmt.Errorf("BoostedBy: error converting account to api model: %s", err)
return nil, gtserror.NewErrorInternalError(err)
}
apiAccounts = append(apiAccounts, apiAccount)
}
return apiAccounts, nil
}