feat: entry generation job and cleanup on delete

controllers/settings.go

@@ -4,13 +4,19 @@ import (
 	"context"
 	"errors"
 
+	"git.golem15.com/golem15/sm-seo-plugin/classes"
 	"git.golem15.com/golem15/sm-seo-plugin/models"
 	"git.golem15.com/golem15/summercms/modules/backpack"
+	"git.golem15.com/golem15/summercms/modules/diary"
+	"git.golem15.com/golem15/summercms/modules/lagoon"
 	"git.golem15.com/golem15/summercms/modules/pact"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 )
 
+// log is the controllers' logger (component=seo).
+var log = diary.For("seo")
+
 // settingsAdminController edits the SEO settings singleton (D-104), linked
 // from the SEO settings tile. Its per-content-type tabs are added by the
 // plugin's own form extension on this controller.
@@ -65,6 +71,31 @@ func (c settingsAdminController) FormBeforeCreate(ctx context.Context, model any
 	return c.FormBeforeUpdate(ctx, model)
 }
 
+// FormAfterUpdate queues the entry generation job once the save commits,
+// so the effective title and description cache follows new templates. A
+// queue error is logged and never fails the save.
+func (c settingsAdminController) FormAfterUpdate(ctx context.Context, _ any) error {
+	app := appOf(c.app)
+	svc, err := classes.NewService(app)
+	if err != nil {
+		return nil
+	}
+	tx, err := database(ctx, c.app)
+	if err != nil {
+		return nil
+	}
+	lagoon.AfterCommit(ctx, tx, func(ctx context.Context, _ *gorm.DB) {
+		db, ok := app.Lookup[*gorm.DB]()
+		if !ok || db == nil {
+			return
+		}
+		if _, err := svc.EnqueueGenerate(ctx, db.WithContext(ctx), ""); err != nil {
+			log.Warn("golem15.seo: queue entry generation", "error", err)
+		}
+	})
+	return nil
+}
+
 // stagingView is the view model of the staging partial.
 type stagingView struct {
 	Staging bool
@@ -96,4 +127,5 @@ var (
 	_ pact.AdminPartialData  = settingsAdminController{}
 	_ pact.FormBeforeCreate  = settingsAdminController{}
 	_ pact.FormBeforeUpdate  = settingsAdminController{}
+	_ pact.FormAfterUpdate   = settingsAdminController{}
 )