- 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/services/Purchases/BillPayments.js

@@ -0,0 +1,30 @@
+import { omit } from "lodash";
+import { BillPayment } from '@/models';
+
+export default class BillPaymentsService { 
+
+  static async createBillPayment(billPayment) {
+    const storedBillPayment = await BillPayment.tenant().query().insert({
+      ...omit(billPayment, ['entries']),
+    });
+
+  }
+
+  editBillPayment(billPaymentId, billPayment)  {
+
+  }
+
+  static async isBillPaymentExists(billPaymentId) {
+    const foundBillPayments = await BillPayment.tenant().query().where('id', billPaymentId);
+    return foundBillPayments.lengh > 0;
+  }
+
+  static async isBillPaymentNumberExists(billPaymentNumber) {
+    const foundPayments = await Bill.tenant().query().where('bill_payment_number', billPaymentNumber);
+    return foundPayments.length > 0;
+  }
+
+  isBillPaymentsExist(billPaymentIds) {
+    
+  }
+}

server/src/services/Purchases/Bills.js

@@ -0,0 +1,114 @@
+import { omit } from 'lodash';
+import { Bill, BillPayment } from '@/models';
+import { Item } from '@/models';
+import { Account } from '../../models';
+import JournalPoster from '../Accounting/JournalPoster';
+
+export default class BillsService {
+  /**
+   * Creates a new bill and stored it to the storage.
+   * @param {IBill} bill -
+   * @return {void}
+   */
+  static async createBill(bill) {
+    const storedBill = await Bill.tenant().query().insert({
+      ...omit(bill, ['entries']),
+    });
+  }
+
+  /**
+   * Edits details of the given bill id with associated entries.
+   * @param {Integer} billId 
+   * @param {IBill} bill 
+   */
+  static async editBill(billId, bill) {
+    const updatedBill = await Bill.tenant().query().insert({
+      ...omit(bill, ['entries']),
+    });
+  }
+
+  /**
+   * Records the bill journal transactions.
+   * @param {IBill} bill 
+   */
+  async recordJournalTransactions(bill) {
+    const entriesItemsIds = bill.entries.map(entry => entry.item_id);
+    const payableTotal = sumBy(bill, 'entries.total');
+    const storedItems = await Item.tenant().query().whereIn('id', entriesItemsIds);
+
+    const payableAccount = await Account.tenant().query();
+    const formattedDate = moment(saleInvoice.invoice_date).format('YYYY-MM-DD');
+
+    const accountsDepGraph = await Account.depGraph().query().remember();
+    const journal = new JournalPoster(accountsDepGraph);
+
+    const commonJournalMeta = {
+      debit: 0,
+      credit: 0,
+      referenceId: bill.id,
+      referenceType: 'Bill',
+      date: formattedDate,
+      accural: true,
+    };
+    const payableEntry = await JournalEntry({
+      ...commonJournalMeta,
+      credit: payableTotal,
+      contactId: bill.vendorId,
+      contactType: 'Vendor',
+    });
+    journal.credit(payableEntry);
+
+    bill.entries.forEach((item) => {
+      if (['inventory'].indexOf(item.type) !== -1) {
+        const inventoryEntry = new JournalEntry({
+          ...commonJournalMeta,
+          account: item.inventoryAccountId,
+        });
+        journal.debit(inventoryEntry);
+      } else {
+        const costEntry = new JournalEntry({
+          ...commonJournalMeta,
+          account: item.costAccountId,
+        });
+        journal.debit(costEntry);
+      }
+    });
+    await Promise.all([
+      journal.saveEntries(),
+      journal.saveBalance(),
+    ])
+  }
+
+  /**
+   * Deletes the bill with associated entries.
+   * @param {Integer} billId 
+   * @return {void}
+   */
+  static async deleteBill(billId) {
+    await BillPayment.tenant().query().where('id', billId);
+  }
+
+  /**
+   * Detarmines whether the bill exists on the storage.
+   * @param {Integer} billId 
+   * @return {Boolean}
+   */
+  static async isBillExists(billId) {
+    const foundBills = await Bill.tenant().query().where('id', billId);
+    return foundBills.length > 0;
+  }
+
+  /**
+   * Detarmines whether the given bills exist on the storage in bulk.
+   * @param {Array} billsIds 
+   * @return {Boolean}
+   */
+  isBillsExist(billsIds) {
+
+  }
+
+  static async isBillNoExists(billNumber) {
+    const foundBills = await Bill.tenant().query().where('bill_number', billNumber);
+    return foundBills.length > 0;
+  }
+}