chore: move the go code into a subfolder

apps/api/internal/command/flow_model.go

@@ -0,0 +1,52 @@
+package command
+
+import (
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/repository/flow"
+)
+
+type FlowWriteModel struct {
+	eventstore.WriteModel
+
+	FlowType domain.FlowType
+	State    domain.FlowState
+	Triggers map[domain.TriggerType][]string
+}
+
+func NewFlowWriteModel(flowType domain.FlowType, resourceOwner string) *FlowWriteModel {
+	return &FlowWriteModel{
+		WriteModel: eventstore.WriteModel{
+			AggregateID:   resourceOwner,
+			ResourceOwner: resourceOwner,
+		},
+		FlowType: flowType,
+		Triggers: make(map[domain.TriggerType][]string),
+	}
+}
+
+func (wm *FlowWriteModel) Reduce() error {
+	for _, event := range wm.Events {
+		switch e := event.(type) {
+		case *flow.TriggerActionsSetEvent:
+			if wm.Triggers == nil {
+				wm.Triggers = make(map[domain.TriggerType][]string)
+			}
+			wm.Triggers[e.TriggerType] = e.ActionIDs
+		case *flow.TriggerActionsCascadeRemovedEvent:
+			remove(wm.Triggers[e.TriggerType], e.ActionID)
+		case *flow.FlowClearedEvent:
+			wm.Triggers = nil
+		}
+	}
+	return wm.WriteModel.Reduce()
+}
+
+func remove(ids []string, id string) {
+	for i := 0; i < len(ids); i++ {
+		if ids[i] == id {
+			ids = append(ids[:i], ids[i+1:]...)
+			break
+		}
+	}
+}