refactor: financial reports to nestjs

temp/BalanceSheet/BalanceSheetNetIncomeDatePeriodsPP.ts

@@ -0,0 +1,130 @@
+import * as R from 'ramda';
+import { BalanceSheetComparsionPreviousPeriod } from './BalanceSheetComparsionPreviousPeriod';
+import { FinancialPreviousPeriod } from '../../common/FinancialPreviousPeriod';
+import { FinancialHorizTotals } from '../../common/FinancialHorizTotals';
+import {
+  IBalanceSheetNetIncomeNode,
+  IBalanceSheetTotal,
+} from './BalanceSheet.types';
+import { BalanceSheetQuery } from './BalanceSheetQuery';
+import BalanceSheetRepository from './BalanceSheetRepository';
+
+export const BalanceSheetNetIncomeDatePeriodsPP = (Base: any) =>
+  class extends R.compose(
+    BalanceSheetComparsionPreviousPeriod,
+    FinancialPreviousPeriod,
+    FinancialHorizTotals,
+  )(Base) {
+    query: BalanceSheetQuery;
+    repository: BalanceSheetRepository;
+
+    /**
+     * Retrieves the PY total income of the given date period.
+     * @param {number} accountId -
+     * @param {Date} toDate -
+     * @return {number}
+     */
+    public getPPIncomeDatePeriodTotal = R.curry((toDate: Date) => {
+      const PYPeriodsTotal = this.repository.incomePPPeriodsAccountsLedger
+        .whereToDate(toDate)
+        .getClosingBalance();
+
+      const PYPeriodsOpeningTotal =
+        this.repository.incomePPPeriodsOpeningAccountLedger.getClosingBalance();
+
+      return PYPeriodsOpeningTotal + PYPeriodsTotal;
+    });
+
+    /**
+     * Retrieves the PY total expense of the given date period.
+     * @param {number} accountId -
+     * @param {Date} toDate -
+     * @returns {number}
+     */
+    public getPPExpenseDatePeriodTotal = R.curry((toDate: Date) => {
+      const PYPeriodsTotal = this.repository.expensePPPeriodsAccountsLedger
+        .whereToDate(toDate)
+        .getClosingBalance();
+
+      const PYPeriodsOpeningTotal =
+        this.repository.expensePPPeriodsOpeningAccountLedger.getClosingBalance();
+
+      return PYPeriodsOpeningTotal + PYPeriodsTotal;
+    });
+
+    /**
+     * Retrieve the given net income total of the given period.
+     * @param {number} accountId - Account id.
+     * @param {Date} toDate - To date.
+     * @returns {number}
+     */
+    public getPPNetIncomeDatePeriodTotal = R.curry((toDate: Date) => {
+      const income = this.getPPIncomeDatePeriodTotal(toDate);
+      const expense = this.getPPExpenseDatePeriodTotal(toDate);
+
+      return income - expense;
+    });
+
+    /**
+     * Assoc preivous period to account horizontal total node.
+     * @param {IBalanceSheetAccountNode} node
+     * @returns {}
+     */
+    public assocPreviousPeriodNetIncomeHorizTotal = R.curry(
+      (node: IBalanceSheetNetIncomeNode, totalNode) => {
+        const total = this.getPPNetIncomeDatePeriodTotal(
+          totalNode.previousPeriodToDate.date,
+        );
+        return R.assoc('previousPeriod', this.getAmountMeta(total), totalNode);
+      },
+    );
+
+    /**
+     * Compose previous period to aggregate horizontal nodes.
+     * @param   {IBalanceSheetTotal} node
+     * @returns {IBalanceSheetTotal}
+     */
+    public previousPeriodNetIncomeHorizNodeComposer = R.curry(
+      (
+        node: IBalanceSheetNetIncomeNode,
+        horiontalTotalNode: IBalanceSheetTotal,
+      ): IBalanceSheetTotal => {
+        return R.compose(
+          R.when(
+            this.query.isPreviousPeriodPercentageActive,
+            this.assocPreviousPeriodTotalPercentageNode,
+          ),
+          R.when(
+            this.query.isPreviousPeriodChangeActive,
+            this.assocPreviousPeriodTotalChangeNode,
+          ),
+          R.when(
+            this.query.isPreviousPeriodActive,
+            this.assocPreviousPeriodNetIncomeHorizTotal(node),
+          ),
+          R.when(
+            this.query.isPreviousPeriodActive,
+            this.assocPreviousPeriodHorizNodeFromToDates(
+              this.query.displayColumnsBy,
+            ),
+          ),
+        )(horiontalTotalNode);
+      },
+    );
+
+    /**
+     * Associate the PP to net income horizontal nodes.
+     * @param   {IBalanceSheetCommonNode} node
+     * @returns {IBalanceSheetCommonNode}
+     */
+    public assocPreviousPeriodNetIncomeHorizNode = (
+      node: IBalanceSheetNetIncomeNode,
+    ): IBalanceSheetNetIncomeNode => {
+      const horizontalTotals = R.addIndex(R.map)(
+        this.previousPeriodNetIncomeHorizNodeComposer(node),
+        node.horizontalTotals,
+      ) as IBalanceSheetTotal[];
+
+      return R.assoc('horizontalTotals', horizontalTotals, node);
+    };
+  };