Initial commit

Initial public review release v0.10.0

lib/fix/catch.go

@@ -0,0 +1,59 @@
+package fix
+
+import (
+	"fmt"
+	"reflect"
+
+	"go.uber.org/zap"
+)
+
+func (a *app) Catch(err error) {
+	if err == nil {
+		return
+	}
+
+	if a.log == nil {
+		panic(err)
+	}
+
+	a.log.Fatal("Can't run app",
+		zap.Error(err))
+}
+
+// CatchTrace catch errors for debugging
+// use that function just for debug your application.
+func (a *app) CatchTrace(err error) {
+	if err == nil {
+		return
+	}
+
+	// digging into the root of the problem
+	for {
+		var (
+			ok bool
+			v  = reflect.ValueOf(err)
+			fn reflect.Value
+		)
+
+		if v.Type().Kind() != reflect.Struct {
+			break
+		}
+
+		if !v.FieldByName("Reason").IsValid() {
+			break
+		}
+
+		if v.FieldByName("Func").IsValid() {
+			fn = v.FieldByName("Func")
+		}
+
+		fmt.Printf("Place: %#v\nReason: %s\n\n", fn, err)
+
+		if err, ok = v.FieldByName("Reason").Interface().(error); !ok {
+			err = v.Interface().(error)
+			break
+		}
+	}
+
+	panic(err)
+}