feat(05-01): restructure fonoteka plugins into Winter directories

- Move models, classes, controllers, middleware, and updates into subpackages
- Add self-registering models/updates/classes registries so later plans add files
- Keep the genres route and shipped migration SQL unchanged

plugin.go

@@ -4,11 +4,15 @@ import (
 	"embed"
 	"io/fs"
 
+	"git.golem15.com/golem15/fonoteka/plugins/golem15/user/classes"
+	"git.golem15.com/golem15/fonoteka/plugins/golem15/user/models"
+	"git.golem15.com/golem15/fonoteka/plugins/golem15/user/updates"
 	"git.golem15.com/golem15/summercms/backpack"
 	"git.golem15.com/golem15/summercms/bouncer"
 	"git.golem15.com/golem15/summercms/pact"
 	"git.golem15.com/golem15/summercms/party"
 	"github.com/go-gormigrate/gormigrate/v2"
+	"gorm.io/gorm"
 )
 
 var (
@@ -17,7 +21,7 @@ var (
 	_ pact.HasMigrations   = (*Plugin)(nil)
 	_ pact.HasMiddleware   = (*Plugin)(nil)
 	_ pact.HasModels       = (*Plugin)(nil)
-	_ bouncer.UserProvider = gormUsers{}
+	_ bouncer.UserProvider = classes.GormUsers{}
 )
 
 //go:embed config
@@ -38,23 +42,30 @@ func (p *Plugin) Register(app *backpack.App) error {
 
 func (p *Plugin) Boot(app *backpack.App) error {
 	p.app = app
-	_, err := jwtSecret(app)
-	return err
+	if _, err := classes.JWTSecret(app); err != nil {
+		return err
+	}
+	if gdb, ok := app.Lookup[*gorm.DB](); ok {
+		if err := classes.RegisterHooks(gdb); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func (p *Plugin) ConfigFS() fs.FS { return configFS }
 
-func (p *Plugin) Migrations() []*gormigrate.Migration { return migrations }
+func (p *Plugin) Migrations() []*gormigrate.Migration { return updates.All() }
 
-func (p *Plugin) Models() []any { return []any{User{}} }
+func (p *Plugin) Models() []any { return models.All() }
 
 func (p *Plugin) Middlewares() map[string]pact.Middleware {
-	secret, err := jwtSecret(p.app)
+	secret, err := classes.JWTSecret(p.app)
 	if err != nil {
 		return nil
 	}
 	return map[string]pact.Middleware{
-		"jwt.auth": bouncer.Middleware(secret, gormUsers{app: p.app}),
+		"jwt.auth": bouncer.Middleware(secret, classes.GormUsers{App: p.app}),
 	}
 }