feat(nestjs): migrate to NestJS

packages/server/src/modules/BillLandedCosts/models/BillLandedCost.ts

@@ -0,0 +1,107 @@
+import { Model } from 'objection';
+import { lowerCase } from 'lodash';
+// import TenantModel from 'models/TenantModel';
+import { BaseModel } from '@/models/Model';
+
+export class BillLandedCost extends BaseModel {
+  amount!: number;
+  fromTransactionId!: number;
+  fromTransactionType!: string;
+  fromTransactionEntryId!: number;
+  allocationMethod!: string;
+  costAccountId!: number;
+  description!: string;
+  billId!: number;
+  exchangeRate!: number;
+
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'bill_located_costs';
+  }
+
+  /**
+   * Model timestamps.
+   */
+  get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['localAmount', 'allocationMethodFormatted'];
+  }
+
+  /**
+   * Retrieves the cost local amount.
+   * @returns {number}
+   */
+  get localAmount() {
+    return this.amount * this.exchangeRate;
+  }
+
+  /**
+   * Allocation method formatted.
+   */
+  get allocationMethodFormatted() {
+    const allocationMethod = lowerCase(this.allocationMethod);
+
+    const keyLabelsPairs = {
+      value: 'allocation_method.value.label',
+      quantity: 'allocation_method.quantity.label',
+    };
+    return keyLabelsPairs[allocationMethod] || '';
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const { BillLandedCostEntry } = require('./BillLandedCostEntry');
+    const { Bill } = require('../../Bills/models/Bill');
+    const {
+      ItemEntry,
+    } = require('../../TransactionItemEntry/models/ItemEntry');
+    const {
+      ExpenseCategory,
+    } = require('../../Expenses/models/ExpenseCategory.model');
+
+    return {
+      bill: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Bill,
+        join: {
+          from: 'bill_located_costs.billId',
+          to: 'bills.id',
+        },
+      },
+      allocateEntries: {
+        relation: Model.HasManyRelation,
+        modelClass: BillLandedCostEntry,
+        join: {
+          from: 'bill_located_costs.id',
+          to: 'bill_located_cost_entries.billLocatedCostId',
+        },
+      },
+      allocatedFromBillEntry: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: ItemEntry,
+        join: {
+          from: 'bill_located_costs.fromTransactionEntryId',
+          to: 'items_entries.id',
+        },
+      },
+      allocatedFromExpenseEntry: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: ExpenseCategory,
+        join: {
+          from: 'bill_located_costs.fromTransactionEntryId',
+          to: 'expense_transaction_categories.id',
+        },
+      },
+    };
+  }
+}