feat: auto-increment sale invoice, receipt, estimate and payment receive.

feat: style sales and purchases forms.

server/src/services/Settings/SettingsService.ts

@@ -0,0 +1,30 @@
+import { Service, Inject } from "typedi";
+import TenancyService from 'services/Tenancy/TenancyService';
+
+@Service()
+export default class SettingsService {
+  @Inject()
+  tenancy: TenancyService;
+
+  @Inject('logger')
+  logger: any;
+
+  /**
+   * Increment next number based on the given find query.
+   * @param {number} tenantId 
+   * @param {any} findQuery 
+   */
+  async incrementNextNumber(tenantId: number, findQuery: any): Promise<void> {
+    const settings = this.tenancy.settings(tenantId);
+
+    this.logger.info('[settings] increment the next number.', { tenantId, findQuery });
+    const currentNumber = settings.find(findQuery);
+
+    if (currentNumber) {
+      const nextNumber = parseInt(currentNumber.value, 10) + 1;
+      settings.set(findQuery, nextNumber);
+
+      await settings.save();
+    }
+  }
+}