feat(nestjs): migrate to NestJS

packages/server/src/modules/AutoIncrementOrders/AutoIncrementOrders.module.ts

@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { TransformerInjectable } from '../Transformer/TransformerInjectable.service';
+import { TenancyDatabaseModule } from '../Tenancy/TenancyDB/TenancyDB.module';
+import { AutoIncrementOrdersService } from './AutoIncrementOrders.service';
+
+@Module({
+  imports: [TenancyDatabaseModule],
+  controllers: [],
+  providers: [AutoIncrementOrdersService],
+  exports: [AutoIncrementOrdersService],
+})
+export class AutoIncrementOrdersModule {}

packages/server/src/modules/AutoIncrementOrders/AutoIncrementOrders.service.ts

@@ -0,0 +1,72 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { SettingsStore } from '../Settings/SettingsStore';
+import { SETTINGS_PROVIDER } from '../Settings/Settings.types';
+import { transactionIncrement } from '@/utils/transaction-increment';
+
+/**
+ * Auto increment orders service.
+ */
+@Injectable()
+export class AutoIncrementOrdersService {
+  constructor(
+    @Inject(SETTINGS_PROVIDER)
+    private readonly settingsStore: () => SettingsStore,
+  ) {}
+
+  /**
+   * Check if the auto increment is enabled for the given settings group.
+   * @param {string} settingsGroup - Settings group.
+   * @returns {Promise<boolean>}
+   */
+  public autoIncrementEnabled = async (
+    settingsGroup: string,
+  ): Promise<boolean> => {
+    const settingsStore = await this.settingsStore();
+    const group = settingsGroup;
+
+    // Settings service transaction number and prefix.
+    return settingsStore.get({ group, key: 'auto_increment' }, false);
+  };
+
+  /**
+   * Retrieve the next service transaction number.
+   * @param {string} settingsGroup
+   * @param {Function} getMaxTransactionNo
+   * @return {Promise<string>}
+   */
+  async getNextTransactionNumber(group: string): Promise<string> {
+    const settingsStore = await this.settingsStore();
+
+    // Settings service transaction number and prefix.
+    const autoIncrement = await this.autoIncrementEnabled(group);
+
+    const settingNo = settingsStore.get({ group, key: 'next_number' }, '');
+    const settingPrefix = settingsStore.get(
+      { group, key: 'number_prefix' },
+      '',
+    );
+    return autoIncrement ? `${settingPrefix}${settingNo}` : '';
+  }
+
+  /**
+   * Increment setting next number.
+   * @param {string} orderGroup - Order group.
+   * @param {string} orderNumber -Order number.
+   */
+  async incrementSettingsNextNumber(group: string) {
+    const settingsStore = await this.settingsStore();
+
+    const settingNo = settingsStore.get({ group, key: 'next_number' });
+    const autoIncrement = settingsStore.get({ group, key: 'auto_increment' });
+
+    // // Can't continue if the auto-increment of the service was disabled.
+    if (!autoIncrement) {
+      return;
+    }
+    settingsStore.set(
+      { group, key: 'next_number' },
+      transactionIncrement(settingNo),
+    );
+    await settingsStore.save();
+  }
+}