refactoring: balance sheet report.

refactoring: trial balance sheet report.
refactoring: general ledger report.
refactoring: journal report.
refactoring: P&L report.

server/src/repositories/AccountTransactionRepository.ts

@@ -0,0 +1,60 @@
+
+import { QueryBuilder } from 'knex';
+import { AccountTransaction } from 'models';
+import hashObject from 'object-hash';
+import TenantRepository from 'repositories/TenantRepository';
+
+
+interface IJournalTransactionsFilter {
+  fromDate: string | Date,
+  toDate: string | Date,
+  accountsIds: number[],
+  sumationCreditDebit: boolean,
+  fromAmount: number,
+  toAmount: number,
+  contactsIds?: number[],
+  contactType?: string,
+};
+
+export default class AccountTransactionsRepository extends TenantRepository {
+
+  journal(filter: IJournalTransactionsFilter) {
+    const { AccountTransaction } = this.models;
+    const cacheKey = this.getCacheKey('transactions.journal', filter);
+
+    return this.cache.get(cacheKey, () => {
+      return AccountTransaction.query()
+        .modify('filterAccounts', filter.accountsIds)
+        .modify('filterDateRange', filter.fromDate, filter.toDate)
+        .withGraphFetched('account.type')
+        .onBuild((query) => {
+          if (filter.sumationCreditDebit) {
+            query.modify('sumationCreditDebit');
+          }
+          if (filter.fromAmount || filter.toAmount) {
+            query.modify('filterAmountRange', filter.fromAmount, filter.toAmount);
+          }
+          if (filter.contactsIds) {
+            query.modify('filterContactIds', filter.contactsIds);
+          }
+          if (filter.contactType) {
+            query.where('contact_type', filter.contactType);
+          }
+        });
+    });
+  }
+
+  openingBalance(fromDate) {
+    return this.cache.get('transaction.openingBalance', () => {
+      return AccountTransaction.query()
+        .modify('openingBalance', fromDate);
+    })
+  }
+
+  closingOpening(toDate) {
+    return this.cache.get('transaction.closingBalance', () => {
+      return AccountTransaction.query()
+        .modify('closingBalance', toDate);
+    });
+  }
+}