[bugfix] Invalidate timeline entries for status when stats change (#1879)

internal/processing/status/bookmark.go

@@ -53,7 +53,12 @@ func (p *Processor) BookmarkCreate(ctx context.Context, requestingAccount *gtsmo
 	}
 
 	if err := p.state.DB.PutStatusBookmark(ctx, gtsBookmark); err != nil {
-		err = fmt.Errorf("BookmarkCreate: error putting bookmark in database: %w", err)
+		err = gtserror.Newf("error putting bookmark in database: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if err := p.invalidateStatus(ctx, requestingAccount.ID, targetStatusID); err != nil {
+		err = gtserror.Newf("error invalidating status from timelines: %w", err)
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
@@ -74,7 +79,12 @@ func (p *Processor) BookmarkRemove(ctx context.Context, requestingAccount *gtsmo
 
 	// We have a bookmark to remove.
 	if err := p.state.DB.DeleteStatusBookmark(ctx, existingBookmarkID); err != nil {
-		err = fmt.Errorf("BookmarkRemove: error removing status bookmark: %w", err)
+		err = gtserror.Newf("error removing status bookmark: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if err := p.invalidateStatus(ctx, requestingAccount.ID, targetStatusID); err != nil {
+		err = gtserror.Newf("error invalidating status from timelines: %w", err)
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 

internal/processing/status/common.go

@@ -21,15 +21,17 @@ import (
 	"context"
 	"fmt"
 
+	"codeberg.org/gruf/go-kv"
 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/log"
 )
 
 func (p *Processor) apiStatus(ctx context.Context, targetStatus *gtsmodel.Status, requestingAccount *gtsmodel.Account) (*apimodel.Status, gtserror.WithCode) {
 	apiStatus, err := p.tc.StatusToAPIStatus(ctx, targetStatus, requestingAccount)
 	if err != nil {
-		err = fmt.Errorf("error converting status %s to frontend representation: %w", targetStatus.ID, err)
+		err = gtserror.Newf("error converting status %s to frontend representation: %w", targetStatus.ID, err)
 		return nil, gtserror.NewErrorInternalError(err)
 	}
 
@@ -66,3 +68,36 @@ func (p *Processor) getVisibleStatus(ctx context.Context, requestingAccount *gts
 
 	return targetStatus, nil
 }
+
+// invalidateStatus is a shortcut function for invalidating the prepared/cached
+// representation one status in the home timeline and all list timelines of the
+// given accountID. It should only be called in cases where a status update
+// does *not* need to be passed into the processor via the worker queue, since
+// such invalidation will, in that case, be handled by the processor instead.
+func (p *Processor) invalidateStatus(ctx context.Context, accountID string, statusID string) error {
+	// Get lists first + bail if this fails.
+	lists, err := p.state.DB.GetListsForAccountID(ctx, accountID)
+	if err != nil {
+		return gtserror.Newf("db error getting lists for account %s: %w", accountID, err)
+	}
+
+	l := log.WithContext(ctx).WithFields(kv.Fields{
+		{"accountID", accountID},
+		{"statusID", statusID},
+	}...)
+
+	// Unprepare item from home + list timelines, just log
+	// if something goes wrong since this is not a showstopper.
+
+	if err := p.state.Timelines.Home.UnprepareItem(ctx, accountID, statusID); err != nil {
+		l.Errorf("error unpreparing item from home timeline: %v", err)
+	}
+
+	for _, list := range lists {
+		if err := p.state.Timelines.List.UnprepareItem(ctx, list.ID, statusID); err != nil {
+			l.Errorf("error unpreparing item from list timeline %s: %v", list.ID, err)
+		}
+	}
+
+	return nil
+}

internal/processing/status/pin.go

@@ -95,7 +95,13 @@ func (p *Processor) PinCreate(ctx context.Context, requestingAccount *gtsmodel.A
 
 	targetStatus.PinnedAt = time.Now()
 	if err := p.state.DB.UpdateStatus(ctx, targetStatus, "pinned_at"); err != nil {
-		return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error pinning status: %w", err))
+		err = gtserror.Newf("db error pinning status: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if err := p.invalidateStatus(ctx, requestingAccount.ID, targetStatusID); err != nil {
+		err = gtserror.Newf("error invalidating status from timelines: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
 	}
 
 	return p.apiStatus(ctx, targetStatus, requestingAccount)
@@ -118,11 +124,19 @@ func (p *Processor) PinRemove(ctx context.Context, requestingAccount *gtsmodel.A
 		return nil, errWithCode
 	}
 
-	if !targetStatus.PinnedAt.IsZero() {
-		targetStatus.PinnedAt = time.Time{}
-		if err := p.state.DB.UpdateStatus(ctx, targetStatus, "pinned_at"); err != nil {
-			return nil, gtserror.NewErrorInternalError(fmt.Errorf("db error unpinning status: %w", err))
-		}
+	if targetStatus.PinnedAt.IsZero() {
+		return p.apiStatus(ctx, targetStatus, requestingAccount)
+	}
+
+	targetStatus.PinnedAt = time.Time{}
+	if err := p.state.DB.UpdateStatus(ctx, targetStatus, "pinned_at"); err != nil {
+		err = gtserror.Newf("db error unpinning status: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if err := p.invalidateStatus(ctx, requestingAccount.ID, targetStatusID); err != nil {
+		err = gtserror.Newf("error invalidating status from timelines: %w", err)
+		return nil, gtserror.NewErrorInternalError(err)
 	}
 
 	return p.apiStatus(ctx, targetStatus, requestingAccount)