- feat: Sales estimates APIs.

- feat: Sales invoices APIs.
- feat: Sales receipts APIs.
- WIP: Sales payment receipts.
- WIP: Purchases bills.
- WIP: Purchases payments made.

server/src/repositories/BaseModelRepository.js

@@ -0,0 +1,11 @@
+
+
+export default class BaseModelRepository {
+
+  isExists(modelIdOrArray) {
+    const ids = Array.isArray(modelIdOrArray) ? modelIdOrArray : [modelIdOrArray];
+    const foundModels = this.model.tenant().query().whereIn('id', ids);
+
+    return foundModels.length > 0;
+  }
+}