add server to monorepo.

packages/server/src/repositories/SaleInvoiceRepository.ts

@@ -0,0 +1,30 @@
+import moment from 'moment';
+import { SaleInvoice } from 'models';
+import TenantRepository from '@/repositories/TenantRepository';
+
+export default class SaleInvoiceRepository extends TenantRepository {
+  /**
+   * Gets the repository's model.
+   */
+  get model() {
+    return SaleInvoice.bindKnex(this.knex);
+  }
+
+  dueInvoices(asDate = moment().format('YYYY-MM-DD'), withRelations) {
+    return this.model
+      .query()
+      .modify('dueInvoices')
+      .modify('notOverdue', asDate)
+      .modify('fromDate', asDate)
+      .withGraphFetched(withRelations);
+  }
+
+  overdueInvoices(asDate = moment().format('YYYY-MM-DD'), withRelations) {
+    return this.model
+      .query()
+      .modify('dueInvoices')
+      .modify('overdue', asDate)
+      .modify('fromDate', asDate)
+      .withGraphFetched(withRelations);
+  }
+}