Add UnlockConnector handler

src/lib/ChargeStation/configurations/default-ocpp-16.ts

@@ -29,6 +29,7 @@ import handleReset from '../eventHandlers/ocpp-16/handle-reset';
 import handleSetChargingProfile from '../eventHandlers/ocpp-16/handle-set-charging-profile';
 import handleAuthorizeCallResultReceived from 'lib/ChargeStation/eventHandlers/ocpp-16/handle-authorize-call-result-received';
 import handleDataTransfer from 'lib/ChargeStation/eventHandlers/ocpp-16/handle-data-transfer';
+import handleUnlockConnector from 'lib/ChargeStation/eventHandlers/ocpp-16/handle-unlock-connector';
 
 // This is the default configuration for OCPP 1.6
 // Each key represents an event, and the value represents an array of handlers that will be called when the event is emitted
@@ -74,5 +75,6 @@ export default {
   [e.ChargingLimitReached]: [sendChargingLimitReached],
   [e.ResetReceived]: [handleReset],
   [e.SetChargingProfileReceived]: [handleSetChargingProfile],
-  [e.DataTransferReceived]: [handleDataTransfer]
+  [e.DataTransferReceived]: [handleDataTransfer],
+  [e.UnlockConnectorReceived]: [handleUnlockConnector],
 };

src/lib/ChargeStation/eventHandlers/event-types.js

@@ -19,6 +19,7 @@ export const EventTypes = {
   SetChargingProfileReceived: 'setChargingProfileReceived',
   DataTransferReceived: 'dataTransferReceived',
   DataTransferCallResultReceived: 'dataTransferCallResultReceived',
+  UnlockConnectorReceived: 'unlockConnectorReceived',
 };
 
 // OCPP 1.6 specific events

src/lib/ChargeStation/eventHandlers/ocpp-16/handle-unlock-connector.ts

@@ -0,0 +1,27 @@
+import { ChargeStationEventHandler } from 'lib/ChargeStation/eventHandlers';
+import { UnlockConnectorResponse } from 'schemas/ocpp/1.6/UnlockConnectorResponse';
+import { UnlockConnectorRequest } from 'schemas/ocpp/1.6/UnlockConnector';
+
+const handleUnlockConnector: ChargeStationEventHandler<
+  UnlockConnectorRequest
+> = async ({ chargepoint, callMessageBody, callMessageId }) => {
+  // connectorId 0 is not a valid connectorId
+  if (!callMessageBody.connectorId) {
+    const result: UnlockConnectorResponse = {
+      status: 'UnlockFailed',
+    };
+    chargepoint.writeCallResult(callMessageId, result);
+  }
+
+  if (chargepoint.hasRunningSession(callMessageBody.connectorId)) {
+    await chargepoint.stopSession(callMessageBody.connectorId);
+  }
+
+  const response: UnlockConnectorResponse = {
+    status: 'Unlocked',
+  };
+
+  chargepoint.writeCallResult(callMessageId, response);
+};
+
+export default handleUnlockConnector;