fix: Delete bank rule if it has no associations

packages/server/src/services/Banking/Rules/events/UnlinkBankRuleOnDeleteBankRule.ts

@@ -0,0 +1,34 @@
+import { Inject, Service } from 'typedi';
+import events from '@/subscribers/events';
+import { UnlinkBankRuleRecognizedTransactions } from '../UnlinkBankRuleRecognizedTransactions';
+import { IBankRuleEventDeletingPayload } from '../types';
+
+@Service()
+export class UnlinkBankRuleOnDeleteBankRule {
+  @Inject()
+  private unlinkBankRule: UnlinkBankRuleRecognizedTransactions;
+
+  /**
+   * Constructor method.
+   */
+  public attach(bus) {
+    bus.subscribe(
+      events.bankRules.onDeleting,
+      this.unlinkBankRuleOutRecognizedTransactionsOnRuleDeleting.bind(this)
+    );
+  }
+
+  /**
+   * Unlinks the bank rule out of recognized transactions.
+   * @param {IBankRuleEventDeletingPayload} payload -
+   */
+  private async unlinkBankRuleOutRecognizedTransactionsOnRuleDeleting({
+    tenantId,
+    ruleId,
+  }: IBankRuleEventDeletingPayload) {
+    await this.unlinkBankRule.unlinkBankRuleOutRecognizedTransactions(
+      tenantId,
+      ruleId
+    );
+  }
+}