Drag and drop working

src/domain/services/circuit-write.service.ts

@@ -7,6 +7,7 @@ import type {
   CreateCircuitDeviceRowInput,
   CreateCircuitInput,
   MoveCircuitDeviceRowInput,
+  ReorderSectionCircuitsInput,
   UpdateCircuitDeviceRowInput,
   UpdateCircuitInput,
 } from "../../shared/validation/circuit.schemas.js";
@@ -408,4 +409,48 @@ export class CircuitWriteService {
 
     return this.circuitRepository.listBySection(sectionId);
   }
+
+  async reorderCircuitsInSection(sectionId: string, input: ReorderSectionCircuitsInput) {
+    const section = await this.circuitSectionRepository.findById(sectionId);
+    if (!section) {
+      throw new Error("Invalid section id.");
+    }
+    const sectionCircuits = await this.circuitRepository.listBySection(sectionId);
+    const sectionIds = new Set(sectionCircuits.map((circuit) => circuit.id));
+    if (sectionCircuits.length !== input.orderedCircuitIds.length) {
+      throw new Error("orderedCircuitIds must include all circuits of the section.");
+    }
+    for (const circuitId of input.orderedCircuitIds) {
+      if (!sectionIds.has(circuitId)) {
+        throw new Error("Circuit id does not belong to section.");
+      }
+    }
+
+    for (let index = 0; index < input.orderedCircuitIds.length; index += 1) {
+      const circuitId = input.orderedCircuitIds[index];
+      const circuit = sectionCircuits.find((entry) => entry.id === circuitId);
+      if (!circuit) {
+        throw new Error("Invalid circuit id.");
+      }
+      await this.circuitRepository.update(circuit.id, {
+        sectionId: circuit.sectionId,
+        equipmentIdentifier: circuit.equipmentIdentifier,
+        displayName: circuit.displayName ?? undefined,
+        sortOrder: (index + 1) * 10,
+        protectionType: circuit.protectionType ?? undefined,
+        protectionRatedCurrent: circuit.protectionRatedCurrent ?? undefined,
+        protectionCharacteristic: circuit.protectionCharacteristic ?? undefined,
+        cableType: circuit.cableType ?? undefined,
+        cableCrossSection: circuit.cableCrossSection ?? undefined,
+        cableLength: circuit.cableLength ?? undefined,
+        rcdAssignment: circuit.rcdAssignment ?? undefined,
+        terminalDesignation: circuit.terminalDesignation ?? undefined,
+        voltage: circuit.voltage ?? undefined,
+        status: circuit.status ?? undefined,
+        isReserve: Boolean(circuit.isReserve),
+        remark: circuit.remark ?? undefined,
+      });
+    }
+    return this.circuitRepository.listBySection(sectionId);
+  }
 }