[bugfix] visibility after implicit approval not getting invalidated (#3370)

* replicate issue

* update go-structr to v0.8.10 with internal linked-list fix, small tweaks to caching of interaction requests

* remove debug function

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>

internal/db/bundb/interaction.go

@@ -26,8 +26,10 @@ import (
 	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/superseriousbusiness/gotosocial/internal/paging"
 	"github.com/superseriousbusiness/gotosocial/internal/state"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
 	"github.com/uptrace/bun"
 )
 
@@ -84,6 +86,53 @@ func (i *interactionDB) GetInteractionRequestByURI(ctx context.Context, uri stri
 	)
 }
 
+func (i *interactionDB) GetInteractionRequestsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.InteractionRequest, error) {
+	// Load all interaction request IDs via cache loader callbacks.
+	requests, err := i.state.Caches.DB.InteractionRequest.LoadIDs("ID",
+		ids,
+		func(uncached []string) ([]*gtsmodel.InteractionRequest, error) {
+			// Preallocate expected length of uncached interaction requests.
+			requests := make([]*gtsmodel.InteractionRequest, 0, len(uncached))
+
+			// Perform database query scanning
+			// the remaining (uncached) IDs.
+			if err := i.db.NewSelect().
+				Model(&requests).
+				Where("? IN (?)", bun.Ident("id"), bun.In(uncached)).
+				Scan(ctx); err != nil {
+				return nil, err
+			}
+
+			return requests, nil
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	// Reorder the requests by their
+	// IDs to ensure in correct order.
+	getID := func(r *gtsmodel.InteractionRequest) string { return r.ID }
+	util.OrderBy(requests, ids, getID)
+
+	if gtscontext.Barebones(ctx) {
+		// no need to fully populate.
+		return requests, nil
+	}
+
+	// Populate all loaded interaction requests, removing those we
+	// fail to populate (removes needing so many nil checks everywhere).
+	requests = slices.DeleteFunc(requests, func(request *gtsmodel.InteractionRequest) bool {
+		if err := i.PopulateInteractionRequest(ctx, request); err != nil {
+			log.Errorf(ctx, "error populating %s: %v", request.ID, err)
+			return true
+		}
+		return false
+	})
+
+	return requests, nil
+}
+
 func (i *interactionDB) getInteractionRequest(
 	ctx context.Context,
 	lookup string,
@@ -205,13 +254,18 @@ func (i *interactionDB) UpdateInteractionRequest(ctx context.Context, request *g
 }
 
 func (i *interactionDB) DeleteInteractionRequestByID(ctx context.Context, id string) error {
-	defer i.state.Caches.DB.InteractionRequest.Invalidate("ID", id)
+	// Delete interaction request by ID.
+	if _, err := i.db.NewDelete().
+		Table("interaction_requests").
+		Where("? = ?", bun.Ident("id"), id).
+		Exec(ctx); err != nil {
+		return err
+	}
 
-	_, err := i.db.NewDelete().
-		TableExpr("? AS ?", bun.Ident("interaction_requests"), bun.Ident("interaction_request")).
-		Where("? = ?", bun.Ident("interaction_request.id"), id).
-		Exec(ctx)
-	return err
+	// Invalidate cached interaction request with ID.
+	i.state.Caches.DB.InteractionRequest.Invalidate("ID", id)
+
+	return nil
 }
 
 func (i *interactionDB) GetInteractionsRequestsForAcct(
@@ -317,19 +371,8 @@ func (i *interactionDB) GetInteractionsRequestsForAcct(
 		slices.Reverse(reqIDs)
 	}
 
-	// For each interaction request ID,
-	// select the interaction request.
-	reqs := make([]*gtsmodel.InteractionRequest, 0, len(reqIDs))
-	for _, id := range reqIDs {
-		req, err := i.GetInteractionRequestByID(ctx, id)
-		if err != nil {
-			return nil, err
-		}
-
-		reqs = append(reqs, req)
-	}
-
-	return reqs, nil
+	// Load all interaction requests by their IDs.
+	return i.GetInteractionRequestsByIDs(ctx, reqIDs)
 }
 
 func (i *interactionDB) IsInteractionRejected(ctx context.Context, interactionURI string) (bool, error) {