- feat: Sales estimates.

- feat: Sales invoices.
- feat: Sales payment receives.
- feat: Purchases bills.
- feat: Purchases bills payments that made to the vendors.

server/src/models/Bill.js

@@ -6,6 +6,13 @@ import CachableModel from '@/lib/Cachable/CachableModel';
 
 
 export default class Bill extends mixin(TenantModel, [CachableModel]) {
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['dueAmount'];
+  }
+
   /**
    * Table name
    */
@@ -21,9 +28,9 @@ export default class Bill extends mixin(TenantModel, [CachableModel]) {
   }
 
   /**
-   * Extend query builder model.
+   * Due amount of the given.
    */
-  static get QueryBuilder() {
-    return CachableQueryBuilder;
+  get dueAmount() {
+    return Math.max(this.balance - this.paymentAmount, 0);
   }
 }

server/src/models/BillPayment.js

@@ -1,4 +1,4 @@
-import { mixin } from 'objection';
+import { Model, mixin } from 'objection';
 import TenantModel from '@/models/TenantModel';
 import CachableQueryBuilder from '@/lib/Cachable/CachableQueryBuilder';
 import CachableModel from '@/lib/Cachable/CachableModel';
@@ -25,4 +25,33 @@ export default class BillPayment extends mixin(TenantModel, [CachableModel]) {
   static get QueryBuilder() {
     return CachableQueryBuilder;
   }
+
+  static changePaymentAmount(billId, amount) {
+    const changeMethod = amount > 0 ? 'increment' : 'decrement';
+    return this.tenant()
+      .query()
+      .where('id', billId)
+      [changeMethod]('payment_amount', Math.abs(amount));
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const BillPaymentEntry = require('@/models/BillPaymentEntry');
+
+    return {
+      /**
+       * Account model may belongs to account type.
+       */
+      entries: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: this.relationBindKnex(BillPaymentEntry.default),
+        join: {
+          from: 'bills_payments.id',
+          to: 'bills_payments_entries.billPaymentId',
+        },
+      },
+    };
+  }
 }

server/src/models/BillPaymentEntry.js

@@ -0,0 +1,18 @@
+import { mixin } from 'objection';
+import TenantModel from '@/models/TenantModel';
+
+export default class BillPaymentEntry extends TenantModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'bills_payments_entries';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+}

server/src/models/Customer.js

@@ -26,4 +26,42 @@ export default class Customer extends TenantModel {
       },
     };
   }
+
+  /**
+   * Change vendor balance.
+   * @param {Integer} customerId 
+   * @param {Numeric} amount 
+   */
+  static async changeBalance(customerId, amount) {
+    const changeMethod = amount > 0 ? 'increment' : 'decrement';
+
+    await this.tenant()
+      .query()
+      .where('id', customerId)
+      [changeMethod]('balance', Math.abs(amount));
+  }
+
+  /**
+   * Increment the given customer balance.
+   * @param {Integer} customerId
+   * @param {Integer} amount
+   */
+  static async incrementBalance(customerId, amount) {
+    await this.tenant()
+      .query()
+      .where('id', customerId)
+      .increment('balance', amount);
+  }
+
+  /**
+   * Decrement the given customer balance.
+   * @param {integer} customerId -
+   * @param {integer} amount -
+   */
+  static async decrementBalance(customerId, amount) {
+    await this.tenant()
+      .query()
+      .where('id', customerId)
+      .decrement('balance', amount);
+  }
 }

server/src/models/InventoryTransaction.js

@@ -0,0 +1,18 @@
+import { Model } from 'objection';
+import TenantModel from '@/models/TenantModel';
+
+export default class InventoryTransaction extends TenantModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'inventory_transactions';
+  }
+
+  /**
+   * Model timestamps.
+   */
+  static get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+}

server/src/models/ItemEntry.js

@@ -0,0 +1,35 @@
+import path from 'path';
+import { Model } from 'objection';
+import TenantModel from '@/models/TenantModel';
+
+export default class ItemEntry extends TenantModel {
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'items_entries';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['created_at', 'updated_at'];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    return {
+
+    };
+  }
+
+  static calcAmount(itemEntry) {
+    const { discount, quantity, rate } = itemEntry;
+    const total = quantity * rate;
+
+    return discount ? total - (total * discount * 0.01) : total;
+  }
+}

server/src/models/PaymentReceive.js

@@ -19,13 +19,6 @@ export default class PaymentReceive extends mixin(TenantModel, [CachableModel])
     return ['created_at', 'updated_at'];
   }
 
-  /**
-   * Extend query builder model.
-   */
-  static get QueryBuilder() {
-    return CachableQueryBuilder;
-  }
-
   /**
    * Relationship mapping.
    */
@@ -38,7 +31,7 @@ export default class PaymentReceive extends mixin(TenantModel, [CachableModel])
         modelClass: this.relationBindKnex(PaymentReceiveEntry.default),
         join: {
           from: 'payment_receives.id',
-          to: 'payment_receives_entries.payment_receive_id',
+          to: 'payment_receives_entries.paymentReceiveId',
         },
       },
     };

server/src/models/SaleEstimate.js

@@ -1,10 +1,8 @@
 import { Model, mixin } from 'objection';
-import moment from 'moment';
 import TenantModel from '@/models/TenantModel';
 import CachableQueryBuilder from '@/lib/Cachable/CachableQueryBuilder';
 import CachableModel from '@/lib/Cachable/CachableModel';
 
-
 export default class SaleEstimate extends mixin(TenantModel, [CachableModel]) {
   /**
    * Table name
@@ -20,26 +18,19 @@ export default class SaleEstimate extends mixin(TenantModel, [CachableModel]) {
     return ['createdAt', 'updatedAt'];
   }
 
-  /**
-   * Extend query builder model.
-   */
-  static get QueryBuilder() {
-    return CachableQueryBuilder;
-  }
-
   /**
    * Relationship mapping.
    */
   static get relationMappings() {
-    const SaleEstimateEntry = require('@/models/SaleEstimateEntry');
+    const ItemEntry = require('@/models/ItemEntry');
 
     return {
       entries: {
         relation: Model.HasManyRelation,
-        modelClass: this.relationBindKnex(SaleEstimateEntry.default),
+        modelClass: this.relationBindKnex(ItemEntry.default),
         join: {
           from: 'sales_estimates.id',
-          to: 'sales_estimate_entries.id',
+          to: 'items_entries.referenceId',
         },
       },
     };

server/src/models/SaleInvoice.js

@@ -5,6 +5,13 @@ import CachableQueryBuilder from '@/lib/Cachable/CachableQueryBuilder';
 import CachableModel from '@/lib/Cachable/CachableModel';
 
 export default class SaleInvoice extends mixin(TenantModel, [CachableModel]) {
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['dueAmount'];
+  }
+
   /**
    * Table name
    */
@@ -20,27 +27,41 @@ export default class SaleInvoice extends mixin(TenantModel, [CachableModel]) {
   }
 
   /**
-   * Extend query builder model.
+   * Due amount of the given.
    */
-  static get QueryBuilder() {
-    return CachableQueryBuilder;
+  get dueAmount() {
+    return Math.max(this.balance - this.paymentAmount, 0);
   }
 
   /**
    * Relationship mapping.
    */
   static get relationMappings() {
-    const SaleInvoiceEntry = require('@/models/SaleInvoiceEntry');
+    const ItemEntry = require('@/models/ItemEntry');
 
     return {
       entries: {
         relation: Model.HasManyRelation,
-        modelClass: this.relationBindKnex(SaleInvoiceEntry.default),
+        modelClass: this.relationBindKnex(ItemEntry.default),
         join: {
           from: 'sales_invoices.id',
-          to: 'sales_invoices_entries.sale_invoice_id',
+          to: 'items_entries.referenceId',
         },
       },
     };
   }
+
+  /**
+   * Change payment amount.
+   * @param {Integer} invoiceId 
+   * @param {Numeric} amount 
+   */
+  static async changePaymentAmount(invoiceId, amount) {
+    const changeMethod = amount > 0 ? 'increment' : 'decrement';
+
+    await this.tenant()
+      .query()
+      .where('id', invoiceId)
+      [changeMethod]('payment_amount', Math.abs(amount));      
+  }
 }

server/src/models/SaleReceipt.js

@@ -19,26 +19,19 @@ export default class SaleReceipt extends mixin(TenantModel, [CachableModel]) {
     return ['created_at', 'updated_at'];
   }
 
-  /**
-   * Extend query builder model.
-   */
-  static get QueryBuilder() {
-    return CachableQueryBuilder;
-  }
-
   /**
    * Relationship mapping.
    */
   static get relationMappings() {
-    const SaleReceiptEntry = require('@/models/SaleReceiptEntry');
+    const ItemEntry = require('@/models/ItemEntry');
 
     return {
       entries: {
         relation: Model.BelongsToOneRelation,
-        modelClass: this.relationBindKnex(SaleReceiptEntry.default),
+        modelClass: this.relationBindKnex(ItemEntry.default),
         join: {
           from: 'sales_receipts.id',
-          to: 'sales_receipt_entries.sale_receipt_id',
+          to: 'items_entries.referenceId',
         },
       },
     };

server/src/models/Vendor.js

@@ -15,4 +15,41 @@ export default class Vendor extends TenantModel {
   static get timestamps() {
     return ['createdAt', 'updatedAt'];
   }
+
+  /**
+   * Changes the vendor balance.
+   * @param {Integer} customerId 
+   * @param {Number} amount 
+   * @return {Promise}
+   */
+  static async changeBalance(vendorId, amount) {
+    const changeMethod = amount > 0 ? 'increment' : 'decrement';
+
+    return this.tenant()
+      .query()
+      .where('id', vendorId)
+      [changeMethod]('balance', Math.abs(amount));
+  }  
+
+  static changeDiffBalance(vendorId, oldVendorId, amount, oldAmount) {
+    const diffAmount = (amount - oldAmount) * -1;
+    const asyncOpers = [];
+
+    if (vendorId != oldVendorId) {
+      const oldVendorOper = Vendor.changeBalance(
+        oldVendorId,
+        oldAmount
+      );
+      const vendorOper = Vendor.changeBalance(
+        vendorId,
+        (amount + diffAmount) * -1
+      );
+      asyncOpers.push(vendorOper);
+      asyncOpers.push(oldVendorOper);
+    } else {
+      const balanceChangeOper = Vendor.changeBalance(vendorId, diffAmount);
+      asyncOpers.push(balanceChangeOper);
+    }
+    return Promise.all(asyncOpers);
+  }
 }

server/src/models/index.js

@@ -13,8 +13,12 @@ import PaymentReceive from './PaymentReceive';
 import PaymentReceiveEntry from './PaymentReceiveEntry';
 import Bill from './Bill';
 import BillPayment from './BillPayment';
+import BillPaymentEntry from './BillPaymentEntry';
 import Resource from './Resource';
 import View from './View';
+import ItemEntry from './ItemEntry';
+import InventoryTransaction from './InventoryTransaction';
+import AccountType from './AccountType';
 
 export {
   Customer,
@@ -32,6 +36,10 @@ export {
   PaymentReceiveEntry,
   Bill,
   BillPayment,
+  BillPaymentEntry,
   Resource,
   View,
+  ItemEntry,
+  InventoryTransaction,
+  AccountType,
 };