Configure circuit protection

src/frontend/utils/circuit-protection-editing.ts

@@ -0,0 +1,36 @@
+import type {
+  CircuitProtectionSnapshot,
+} from "../../domain/models/circuit-protection-project-command.model";
+import { createDefaultCircuitProtection } from "../../domain/services/protection-device-defaults";
+import type { CircuitGroupCategory } from "../../shared/constants/circuit-group";
+import type {
+  CircuitTreeProtectionDeviceDto,
+} from "../types";
+
+export function toCircuitProtectionSnapshot(
+  circuitId: string,
+  protection: CircuitTreeProtectionDeviceDto
+): CircuitProtectionSnapshot {
+  return {
+    circuitId,
+    type: protection.type,
+    ratedCurrentA: protection.ratedCurrentA,
+    fuseUtilizationCategory:
+      protection.fuseUtilizationCategory ?? null,
+    tripCharacteristic: protection.tripCharacteristic ?? null,
+    rcdType: protection.rcdType ?? null,
+    ratedResidualCurrentMa:
+      protection.ratedResidualCurrentMa ?? null,
+  };
+}
+
+export function getCircuitProtectionEditorInitialValue(
+  category: CircuitGroupCategory | undefined,
+  protection: CircuitTreeProtectionDeviceDto | undefined
+): CircuitTreeProtectionDeviceDto {
+  if (protection) {
+    return protection;
+  }
+  const fallback = createDefaultCircuitProtection(category ?? "lighting");
+  return { ...fallback };
+}