feat: SEO change history

controllers/rules.go

@@ -2,8 +2,10 @@ package controllers
 
 import (
 	"context"
+	"strconv"
 	"strings"
 
+	"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/pact"
@@ -48,6 +50,29 @@ func (c rulesAdminController) check(ctx context.Context, model any) error {
 	return problemsError(ctx, translator(c.app), r.Problems(db))
 }
 
+// FormAfterDelete records the deleted rule in history inside the delete's
+// transaction, so its values can be restored.
+func (c rulesAdminController) FormAfterDelete(ctx context.Context, model any) error {
+	r, ok := model.(*models.Rule)
+	if !ok || r == nil {
+		return nil
+	}
+	svc, err := classes.NewService(appOf(c.app))
+	if err != nil {
+		return err
+	}
+	db, err := database(ctx, c.app)
+	if err != nil {
+		return err
+	}
+	return svc.Record(ctx, db, classes.Change{
+		Kind:      models.SubjectRule,
+		SubjectID: strconv.FormatUint(uint64(r.ID), 10),
+		What:      svc.Phrase("golem15.seo::lang.history.what_rule", map[string]string{"url": r.URL}),
+		Before:    classes.RuleValues(*r),
+	})
+}
+
 // ListExtendRecords fills the overrides column: the translated labels of
 // the properties each rule sets, comma-joined.
 func (c rulesAdminController) ListExtendRecords(ctx context.Context, _ *gorm.DB, records []any) error {
@@ -87,4 +112,5 @@ var (
 	_ pact.FormBeforeUpdate  = rulesAdminController{}
 	_ pact.ListExtendRecords = rulesAdminController{}
 	_ pact.FilterOptions     = rulesAdminController{}
+	_ pact.FormAfterDelete   = rulesAdminController{}
 )