refactor: financial reports to nestjs

temp/BalanceSheet/BalanceSheetNetIncomeDatePeriodsPY.ts

@@ -0,0 +1,122 @@
+import * as R from 'ramda';
+import { BalanceSheetComparsionPreviousYear } from './BalanceSheetComparsionPreviousYear';
+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 BalanceSheetNetIncomeDatePeriodsPY = (Base: any) =>
+  class extends R.compose(
+    BalanceSheetComparsionPreviousYear,
+    FinancialPreviousPeriod,
+    FinancialHorizTotals
+  )(Base) {
+    query: BalanceSheetQuery;
+    repository: BalanceSheetRepository;
+
+    /**
+     * Retrieves the PY total income of the given date period.
+     * @param {Date} toDate -
+     * @return {number}
+     */
+    public getPYIncomeDatePeriodTotal = R.curry((toDate: Date) => {
+      const PYPeriodsTotal = this.repository.incomePYPeriodsAccountsLedger
+        .whereToDate(toDate)
+        .getClosingBalance();
+
+      const PYPeriodsOpeningTotal =
+        this.repository.incomePYPeriodsOpeningAccountLedger.getClosingBalance();
+
+      return PYPeriodsOpeningTotal + PYPeriodsTotal;
+    });
+
+    /**
+     * Retrieves the PY total expense of the given date period.
+     * @param {Date} toDate -
+     * @returns {number}
+     */
+    public getPYExpenseDatePeriodTotal = R.curry((toDate: Date) => {
+      const PYPeriodsTotal = this.repository.expensePYPeriodsAccountsLedger
+        .whereToDate(toDate)
+        .getClosingBalance();
+
+      const PYPeriodsOpeningTotal =
+        this.repository.expensePYPeriodsOpeningAccountLedger.getClosingBalance();
+
+      return PYPeriodsOpeningTotal + PYPeriodsTotal;
+    });
+
+    /**
+     * Retrieve the given net income total of the given period.
+     * @param {Date} toDate - To date.
+     * @returns {number}
+     */
+    public getPYNetIncomeDatePeriodTotal = R.curry((toDate: Date) => {
+      const income = this.getPYIncomeDatePeriodTotal(toDate);
+      const expense = this.getPYExpenseDatePeriodTotal(toDate);
+
+      return income - expense;
+    });
+
+    /**
+     * Assoc preivous year to account horizontal total node.
+     * @param {IBalanceSheetAccountNode} node
+     * @returns {}
+     */
+    public assocPreviousYearNetIncomeHorizTotal = R.curry(
+      (node: IBalanceSheetNetIncomeNode, totalNode) => {
+        const total = this.getPYNetIncomeDatePeriodTotal(
+          totalNode.previousYearToDate.date
+        );
+        return R.assoc('previousYear', this.getAmountMeta(total), totalNode);
+      }
+    );
+
+    /**
+     * Compose PY to net income horizontal nodes.
+     * @param {IBalanceSheetTotal} node
+     * @returns {IBalanceSheetTotal}
+     */
+    public previousYearNetIncomeHorizNodeComposer = R.curry(
+      (
+        node: IBalanceSheetNetIncomeNode,
+        horiontalTotalNode: IBalanceSheetTotal
+      ): IBalanceSheetTotal => {
+        return R.compose(
+          R.when(
+            this.query.isPreviousYearPercentageActive,
+            this.assocPreviousYearTotalPercentageNode
+          ),
+          R.when(
+            this.query.isPreviousYearChangeActive,
+            this.assocPreviousYearTotalChangeNode
+          ),
+          R.when(
+            this.query.isPreviousYearActive,
+            this.assocPreviousYearNetIncomeHorizTotal(node)
+          ),
+          R.when(
+            this.query.isPreviousYearActive,
+            this.assocPreviousYearHorizNodeFromToDates
+          )
+        )(horiontalTotalNode);
+      }
+    );
+
+    /**
+     * Associate the PY to net income horizontal nodes.
+     * @param   {IBalanceSheetCommonNode} node
+     * @returns {IBalanceSheetCommonNode}
+     */
+    public assocPreviousYearNetIncomeHorizNode = (
+      node: IBalanceSheetNetIncomeNode
+    ): IBalanceSheetNetIncomeNode => {
+      const horizontalTotals = R.addIndex(R.map)(
+        this.previousYearNetIncomeHorizNodeComposer(node),
+        node.horizontalTotals
+      ) as IBalanceSheetTotal[];
+
+      return R.assoc('horizontalTotals', horizontalTotals, node);
+    };
+  };