refactor: financial reports to nestjs

temp/BalanceSheet/BalanceSheetComparsionPreviousYear.ts

@@ -0,0 +1,271 @@
+import * as R from 'ramda';
+import { sumBy, isEmpty } from 'lodash';
+import {
+  IBalanceSheetAccountNode,
+  IBalanceSheetCommonNode,
+  IBalanceSheetDataNode,
+  IBalanceSheetTotal,
+} from './BalanceSheet.types';
+import { FinancialPreviousYear } from '../../common/FinancialPreviousYear';
+import { IBalanceSheetComparsions } from './BalanceSheet.types';
+import { Constructor } from '@/common/types/Constructor';
+
+export const BalanceSheetComparsionPreviousYear = <T extends Constructor>(
+  Base: T,
+) =>
+  class BalanceSheetComparsionPreviousYear extends R.compose(
+    FinancialPreviousYear,
+  )(Base) {
+    // ------------------------------
+    // # Account
+    // ------------------------------
+    /**
+     * Associates the previous year to account node.
+     * @param   {IBalanceSheetDataNode} node
+     * @returns {IBalanceSheetDataNode}
+     */
+    protected assocPreviousYearAccountNode = (
+      node: IBalanceSheetDataNode,
+    ): IBalanceSheetDataNode => {
+      const closingBalance =
+        this.repository.PYTotalAccountsLedger.whereAccountId(
+          node.id,
+        ).getClosingBalance();
+
+      return R.assoc('previousYear', this.getAmountMeta(closingBalance), node);
+    };
+
+    /**
+     * Assoc previous year attributes to account node.
+     * @param   {IBalanceSheetAccountNode} node
+     * @returns {IBalanceSheetAccountNode}
+     */
+    protected previousYearAccountNodeComposer = (
+      node: IBalanceSheetAccountNode,
+    ): IBalanceSheetAccountNode => {
+      return R.compose(
+        R.when(
+          this.isNodeHasHorizontalTotals,
+          this.assocPreviousYearAccountHorizNodeComposer,
+        ),
+        R.when(
+          this.query.isPreviousYearPercentageActive,
+          this.assocPreviousYearPercentageNode,
+        ),
+        R.when(
+          this.query.isPreviousYearChangeActive,
+          this.assocPreviousYearChangetNode,
+        ),
+        this.assocPreviousYearAccountNode,
+      )(node);
+    };
+
+    // ------------------------------
+    // # Aggregate
+    // ------------------------------
+    /**
+     * Assoc previous year on aggregate node.
+     * @param   {IBalanceSheetAccountNode} node
+     * @returns {IBalanceSheetAccountNode}
+     */
+    protected assocPreviousYearAggregateNode = (
+      node: IBalanceSheetAccountNode,
+    ): IBalanceSheetAccountNode => {
+      const total = sumBy(node.children, 'previousYear.amount');
+
+      return R.assoc('previousYear', this.getTotalAmountMeta(total), node);
+    };
+
+    /**
+     * Assoc previous year attributes to aggregate node.
+     * @param   {IBalanceSheetAccountNode} node
+     * @returns {IBalanceSheetAccountNode}
+     */
+    protected previousYearAggregateNodeComposer = (
+      node: IBalanceSheetAccountNode,
+    ): IBalanceSheetAccountNode => {
+      return R.compose(
+        R.when(
+          this.query.isPreviousYearPercentageActive,
+          this.assocPreviousYearTotalPercentageNode,
+        ),
+        R.when(
+          this.query.isPreviousYearChangeActive,
+          this.assocPreviousYearTotalChangeNode,
+        ),
+        R.when(
+          this.isNodeHasHorizontalTotals,
+          this.assocPreviousYearAggregateHorizNode,
+        ),
+        this.assocPreviousYearAggregateNode,
+      )(node);
+    };
+
+    // ------------------------------
+    // # Horizontal Nodes - Aggregate
+    // ------------------------------
+    /**
+     * Assoc previous year total to horizontal node.
+     * @param node
+     * @returns
+     */
+    private assocPreviousYearAggregateHorizTotalNode = R.curry(
+      (node, index, totalNode) => {
+        const total = this.getPYHorizNodesTotalSumation(index, node);
+
+        return R.assoc(
+          'previousYear',
+          this.getTotalAmountMeta(total),
+          totalNode,
+        );
+      },
+    );
+
+    /**
+     * Compose previous year to aggregate horizontal nodes.
+     * @param   {IBalanceSheetTotal} node
+     * @returns {IBalanceSheetTotal}
+     */
+    private previousYearAggregateHorizNodeComposer = R.curry(
+      (
+        node: IBalanceSheetCommonNode,
+        horiontalTotalNode: IBalanceSheetTotal,
+        index: number,
+      ): IBalanceSheetTotal => {
+        return R.compose(
+          R.when(
+            this.query.isPreviousYearPercentageActive,
+            this.assocPreviousYearTotalPercentageNode,
+          ),
+          R.when(
+            this.query.isPreviousYearChangeActive,
+            this.assocPreviousYearTotalChangeNode,
+          ),
+          R.when(
+            this.query.isPreviousYearActive,
+            this.assocPreviousYearAggregateHorizTotalNode(node, index),
+          ),
+          R.when(
+            this.query.isPreviousYearActive,
+            this.assocPreviousYearHorizNodeFromToDates,
+          ),
+        )(horiontalTotalNode);
+      },
+    );
+
+    /**
+     * Assoc
+     * @param   {IBalanceSheetCommonNode} node
+     * @returns {IBalanceSheetCommonNode}
+     */
+    public assocPreviousYearAggregateHorizNode = (
+      node: IBalanceSheetCommonNode,
+    ): IBalanceSheetCommonNode => {
+      const horizontalTotals = R.addIndex(R.map)(
+        this.previousYearAggregateHorizNodeComposer(node),
+        node.horizontalTotals,
+      ) as IBalanceSheetTotal[];
+
+      return R.assoc('horizontalTotals', horizontalTotals, node);
+    };
+
+    // ------------------------------
+    // # Horizontal Nodes - Account.
+    // ------------------------------
+    /**
+     * Retrieve the given account total in the given period.
+     * @param   {number} accountId - Account id.
+     * @param   {Date} fromDate - From date.
+     * @param   {Date} toDate - To date.
+     * @returns {number}
+     */
+    private getAccountPYDatePeriodTotal = R.curry(
+      (accountId: number, fromDate: Date, toDate: Date): number => {
+        const PYPeriodsTotal =
+          this.repository.PYPeriodsAccountsLedger.whereAccountId(accountId)
+            .whereToDate(toDate)
+            .getClosingBalance();
+
+        const PYPeriodsOpeningTotal =
+          this.repository.PYPeriodsOpeningAccountLedger.whereAccountId(
+            accountId,
+          ).getClosingBalance();
+
+        return PYPeriodsOpeningTotal + PYPeriodsTotal;
+      },
+    );
+
+    /**
+     * Assoc preivous year to account horizontal total node.
+     * @param   {IBalanceSheetAccountNode} node
+     * @returns {}
+     */
+    private assocPreviousYearAccountHorizTotal = R.curry(
+      (node: IBalanceSheetAccountNode, totalNode) => {
+        const total = this.getAccountPYDatePeriodTotal(
+          node.id,
+          totalNode.previousYearFromDate.date,
+          totalNode.previousYearToDate.date,
+        );
+        return R.assoc('previousYear', this.getAmountMeta(total), totalNode);
+      },
+    );
+
+    /**
+     * Previous year account horizontal node composer.
+     * @param   {IBalanceSheetAccountNode} node -
+     * @param   {IBalanceSheetTotal}
+     * @returns {IBalanceSheetTotal}
+     */
+    private previousYearAccountHorizNodeCompose = R.curry(
+      (
+        node: IBalanceSheetAccountNode,
+        horizontalTotalNode: IBalanceSheetTotal,
+      ): IBalanceSheetTotal => {
+        return R.compose(
+          R.when(
+            this.query.isPreviousYearPercentageActive,
+            this.assocPreviousYearPercentageNode,
+          ),
+          R.when(
+            this.query.isPreviousYearChangeActive,
+            this.assocPreviousYearChangetNode,
+          ),
+          R.when(
+            this.query.isPreviousYearActive,
+            this.assocPreviousYearAccountHorizTotal(node),
+          ),
+          R.when(
+            this.query.isPreviousYearActive,
+            this.assocPreviousYearHorizNodeFromToDates,
+          ),
+        )(horizontalTotalNode);
+      },
+    );
+
+    /**
+     * Assoc previous year horizontal nodes to account node.
+     * @param   {IBalanceSheetAccountNode} node
+     * @returns {IBalanceSheetAccountNode}
+     */
+    private assocPreviousYearAccountHorizNodeComposer = (
+      node: IBalanceSheetAccountNode,
+    ) => {
+      const horizontalTotals = R.map(
+        this.previousYearAccountHorizNodeCompose(node),
+        node.horizontalTotals,
+      );
+      return R.assoc('horizontalTotals', horizontalTotals, node);
+    };
+
+    // ------------------------------
+    // # Horizontal Nodes - Aggregate.
+    // ------------------------------
+    /**
+     * Detarmines whether the given node has horizontal totals.
+     * @param   {IBalanceSheetCommonNode} node
+     * @returns {boolean}
+     */
+    public isNodeHasHorizontalTotals = (node: IBalanceSheetCommonNode) =>
+      !isEmpty(node.horizontalTotals);
+  };