accounting_dev_v2/application/controllers/Generatebuku.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Generatebuku extends MY_Controller
{
    public function __construct()
    {
        parent::__construct();
        $this->load->model('DynamicModel', 'dm');
    }

    // ----------------------------------------------------------------
    // PDF GENERATE — BUKU BESAR
    // ----------------------------------------------------------------

    public function generatepdf($account_id, $start, $end)
    {
        if (!is_master_admin_user() && $this->session->userdata('role') != 'Admin') {
            show_error('Akses ditolak', 403);
        }

        $startDate = DateTime::createFromFormat('Y-m-d', (string) $start);
        $endDate = DateTime::createFromFormat('Y-m-d', (string) $end);
        if (!$startDate || $startDate->format('Y-m-d') !== $start
            || !$endDate || $endDate->format('Y-m-d') !== $end || $end < $start) {
            show_error('Periode Buku Besar tidak valid.', 422);
        }

        if (ob_get_length()) {
            ob_end_clean();
        }

        // =============================================================
        // AMBIL INFO AKUN
        // =============================================================
        $akun = null;
        if (!empty($account_id)) {
            $akun = $this->db->get_where('accounts', ['id' => (int) $account_id, 'company_id'=>(int)$this->companycontext->id()])->row();
        }
        if (!$akun) show_error('Akun Buku Besar tidak ditemukan pada perusahaan aktif.', 404);

        $openingRow=$this->db->select('COALESCE(SUM(d.debit),0) debit,COALESCE(SUM(d.kredit),0) kredit',false)->from('journal_details d')->join('journals j','j.id=d.journal_id')->where(array('j.company_id'=>(int)$this->companycontext->id(),'d.account_id'=>(int)$account_id))->where_in('j.status',array('posted','reversed'))->where('j.tanggal <',$start)->get()->row();
        $saldoAwal=in_array($akun->tipe,array('asset','expense'),true)?(float)$openingRow->debit-(float)$openingRow->kredit:(float)$openingRow->kredit-(float)$openingRow->debit;

        // =============================================================
        // QUERY DATA
        // =============================================================
        $this->db->select('
            journals.tanggal,
            journals.no_ref,
            journals.keterangan,
            journal_details.debit,
            journal_details.kredit,
            accounts.tipe
        ');
        $this->db->from('journal_details');
        $this->db->join('journals',  'journals.id  = journal_details.journal_id');
        $this->db->join('accounts',  'accounts.id  = journal_details.account_id');
        $this->db->where_in('journals.status', array('posted', 'reversed'));
        $this->db->where('journals.company_id', (int)$this->companycontext->id());

        if (!empty($account_id)) {
            $this->db->where('journal_details.account_id', (int) $account_id);
        }

        if (!empty($start) && !empty($end)) {
            $this->db->where('journals.tanggal >=', $start);
            $this->db->where('journals.tanggal <=', $end);
        }

        $this->db->group_start();
        $this->db->where('journal_details.debit >', 0);
        $this->db->or_where('journal_details.kredit >', 0);
        $this->db->group_end();

        $this->db->order_by('journals.tanggal', 'ASC')->order_by('journals.id','ASC')->order_by('journal_details.id','ASC');

        $rows = $this->db->get()->result();

        // =============================================================
        // HITUNG SALDO BERJALAN
        // =============================================================
        $saldo  = $saldoAwal;
        $result = [];

        foreach ($rows as $r) {
            if (in_array($r->tipe, ['asset', 'expense'])) {
                $saldo += ($r->debit - $r->kredit);
            } else {
                $saldo += ($r->kredit - $r->debit);
            }

            $result[] = [
                'tanggal'    => $r->tanggal,
                'no_ref'     => $r->no_ref,
                'keterangan' => $r->keterangan,
                'debit'      => $r->debit,
                'kredit'     => $r->kredit,
                'saldo'      => $saldo,
            ];
        }

        $total_debit  = array_sum(array_column($result, 'debit'));
        $total_kredit = array_sum(array_column($result, 'kredit'));

        // =============================================================
        // DATA PERUSAHAAN
        // =============================================================
        $company = $this->db->get_where('companies',array('id'=>(int)$this->companycontext->id()))->row();

        // =============================================================
        // BUILD STRING INFO LAPORAN
        // =============================================================
        $namaAkun = $akun
            ? $akun->kode_akun . ' - ' . $akun->nama_akun
            : 'Semua Akun';

        $periodeStr = (!empty($start) && !empty($end))
            ? 'Periode : ' . date('d-m-Y', strtotime($start)) . ' s/d ' . date('d-m-Y', strtotime($end))
            : 'Periode : Semua Tanggal';

        // =============================================================
        // LOAD LIBRARY PDF
        // =============================================================
        require_once(APPPATH . 'third_party/fpdf/fpdf.php');
        require_once(APPPATH . 'libraries/PDF_BukuBesar.php');

        $pdf = new PDF ('P', 'mm', 'A4');
        $pdf->SetMargins(10, 10, 10);

        $pdf->setHeaderData(
            $company->name,
            $company->address,
            !empty($company->logo_path) ? FCPATH.$company->logo_path : ''
        );

        $pdf->setInfoLaporan($namaAkun, $periodeStr);

        $pdf->AddPage('P', 'A4');
        $pdf->BukuBesarTable($result);
        $pdf->BukuBesarTotal($saldoAwal, $total_debit, $total_kredit, $saldo);
        $pdf->Pembuat('Tito Ngudiana', 'Finance Department');

        // =============================================================
        // OUTPUT
        // =============================================================
        $filename = 'Buku_Besar_' . date('YmdHis') . '.pdf';
        $pdf->Output('D', $filename);
        exit;
    }
}