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Current File : /var/www/finance.uiet.co.in/UietFinance/app/Exports/BankBookExport.php

<?php

namespace App\Exports;

use App\Models\FinancialTransactions;
use App\Models\FinancialTransactionsLedgerHead;
use App\Models\Bank;
use App\Models\CashType; // Make sure this is imported
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;

class BankBookExport implements FromCollection, WithHeadings, WithMapping
{
    protected $start_date;
    protected $end_date;
    protected $bank_name;
    protected $cash_type; // Add cash_type as a property

    public function __construct($start_date, $end_date, $bank_name = null, $cash_type = null)
    {
        $this->start_date = $start_date;
        $this->end_date = $end_date;
        $this->bank_name = $bank_name; // Set the bank_name property
        $this->cash_type = $cash_type; // Set the cash_type property
    }

    public function collection()
{
    // If bank_name is set, get Bank Book data
    if ($this->bank_name) {
        list($bank_nm, $account_no) = explode('_', $this->bank_name); // Split bank name and account number
        $bank = Bank::where('bank_name', $bank_nm)->where('bank_account_no', $account_no)->latest()->first();

        if ($bank) {
            // Fetch the financial transactions for the given bank within the date range, and only those with voucher_status = 2
            return FinancialTransactions::where('bank_id', $bank->id)
                ->whereDate('voucher_date', '>=', $this->start_date)
                ->whereDate('voucher_date', '<=', $this->end_date)
                ->where('voucher_status', 2) // Only include transactions with voucher_status = 2
                ->get();
        }
    }

    // If cash_type is set, get Cash Book data
    if ($this->cash_type) {
        $cash = CashType::where('cash_type_name', $this->cash_type)->latest()->first();

        if ($cash) {
            // Fetch the financial transactions for the given cash type within the date range, and only those with voucher_status = 2
            return FinancialTransactions::where('cash_type_id', $cash->id)
                ->whereDate('voucher_date', '>=', $this->start_date)
                ->whereDate('voucher_date', '<=', $this->end_date)
                ->where('voucher_status', 2) // Only include transactions with voucher_status = 2
                ->get();
        }
    }

    // Return an empty collection if neither bank_name nor cash_type is provided
    return collect([]);
}

    // Map the financial transaction details to Excel columns
    public function map($transaction): array
    {
        // Get all financial transaction ledger head details for this transaction
        $details = FinancialTransactionsLedgerHead::select('financial_transactions_ledger_heads.*', 'ledger_heads.ledger_head_name')
            ->join('ledger_heads', 'financial_transactions_ledger_heads.ledger_head_id', '=', 'ledger_heads.id')
            ->where('finance_transaction_id', $transaction->id)
            ->get();

        $mapped = [
            'Voucher Date' => $transaction->voucher_date,
            'Voucher Number' => $transaction->voucher_no,
            'Debit' => $transaction->total_debit_amount,
            'Credit' => $transaction->total_credit_amount,
        ];

        // Loop through all the ledger details for this transaction and map them
        $ledgerDetails = [];
        foreach ($details as $detail) {
            $ledgerDetails[] = [
                'Ledger Head Name' => $detail->ledger_head_name,
                'Balance' => $detail->amount,
            ];
        }

        // Combine the mapped data with the ledger details
        return array_merge($mapped, ...$ledgerDetails);
    }

    // Set the headings for the Excel file
    public function headings(): array
    {
        return [
            'Voucher Date',
            'Voucher Number',
            'Debit ',
            'Credit',
            'Ledger Head Name',
            'Balance',
        ];
    }
}