feat: get bank account meta summary

packages/server/src/services/Banking/BankAccounts/GetBankAccountSummary.ts

@@ -0,0 +1,53 @@
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { Server } from 'socket.io';
+import { Inject, Service } from 'typedi';
+
+@Service()
+export class GetBankAccountSummary {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   * Retrieves the bank account meta summary
+   * @param {number} tenantId
+   * @param {number} bankAccountId
+   * @returns
+   */
+  public async getBankAccountSummary(tenantId: number, bankAccountId: number) {
+    const {
+      Account,
+      UncategorizedCashflowTransaction,
+      RecognizedBankTransaction,
+    } = this.tenancy.models(tenantId);
+
+    const bankAccount = await Account.query()
+      .findById(bankAccountId)
+      .throwIfNotFound();
+
+    const uncategorizedTranasctionsCount =
+      await UncategorizedCashflowTransaction.query()
+        .where('accountId', bankAccountId)
+        .count('id as total')
+        .first();
+
+    const recognizedTransactionsCount = await RecognizedBankTransaction.query()
+      .whereExists(
+        UncategorizedCashflowTransaction.query().where(
+          'accountId',
+          bankAccountId
+        )
+      )
+      .count('id as total')
+      .first();
+
+    const totalUncategorizedTransactions =
+      uncategorizedTranasctionsCount?.total;
+    const totalRecognizedTransactions = recognizedTransactionsCount?.total;
+
+    return {
+      name: bankAccount.name,
+      totalUncategorizedTransactions,
+      totalRecognizedTransactions,
+    };
+  }
+}