🏗️ microservice fabric splitting

common/casbinx/casbin.go

@@ -0,0 +1,38 @@
+package casbinx
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/casbin/casbin/v2"
+	"github.com/casbin/casbin/v2/model"
+	gormadapter "github.com/casbin/gorm-adapter/v3"
+	"gorm.io/gorm"
+)
+
+// NewCasbin creates a new casbinx enforcer with a mysql adapter and loads the policy from the file system.
+func NewCasbin(engine *gorm.DB) *casbin.SyncedCachedEnforcer {
+	a, err := gormadapter.NewAdapterByDBUseTableName(engine, "sca_auth_", "permission_rule")
+	if err != nil {
+		panic(err)
+	}
+	cwd, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+	path := filepath.Join(cwd, "etc", "rbac_model.conf")
+	modelFile, err := model.NewModelFromFile(path)
+	if err != nil {
+		panic(err)
+	}
+	e, err := casbin.NewSyncedCachedEnforcer(modelFile, a)
+	if err != nil {
+		panic(err)
+	}
+	e.EnableCache(true)
+	err = e.LoadPolicy()
+	if err != nil {
+		panic(err)
+	}
+	return e
+}