feat: initial commit

domain/commands.go

@@ -0,0 +1,52 @@
+package domain
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"gitlab.com/unboundsoftware/eventsourced/eventsourced"
+)
+
+type UpdateSubGraph struct {
+	Ref       string
+	Service   string
+	Url       *string
+	WSUrl     *string
+	Sdl       string
+	Initiator string
+}
+
+func (u UpdateSubGraph) Validate(_ context.Context, aggregate eventsourced.Aggregate) error {
+	switch a := aggregate.(type) {
+	case *SubGraph:
+		if strings.TrimSpace(u.Ref) == "" {
+			return fmt.Errorf("ref is missing")
+		}
+		if strings.TrimSpace(u.Service) == "" {
+			return fmt.Errorf("service is missing")
+		}
+		if strings.TrimSpace(u.Sdl) == "" {
+			return fmt.Errorf("SDL is missing")
+		}
+		if (u.Url == nil || strings.TrimSpace(*u.Url) == "") && a.Url == nil {
+			return fmt.Errorf("url is missing")
+		}
+	default:
+		return fmt.Errorf("aggregate is not a SubGraph")
+	}
+	return nil
+}
+
+func (u UpdateSubGraph) Event(context.Context) eventsourced.Event {
+	return &SubGraphUpdated{
+		Ref:       u.Ref,
+		Service:   u.Service,
+		Url:       u.Url,
+		WSUrl:     u.WSUrl,
+		Sdl:       u.Sdl,
+		Initiator: u.Initiator,
+	}
+}
+
+var _ eventsourced.Command = UpdateSubGraph{}