recreate project
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<?php
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namespace App\Models;
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use CodeIgniter\Model;
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class PaymentModel extends Model
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{
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protected $table = 'payments';
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protected $primaryKey = 'id';
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protected $returnType = 'array';
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protected $allowedFields = [
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'parent_id',
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'invoice_id',
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'total_amount',
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'paid_amount',
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'balance',
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'number_of_installments',
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'transaction_id',
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'check_file',
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'check_number',
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'payment_method',
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'payment_date',
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'school_year',
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'semester',
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'status',
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'updated_by'
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];
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protected $useTimestamps = false;
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// ❗ Your DB handles created_at / updated_at with default CURRENT_TIMESTAMP
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// Remove CI4 auto timestamp management unless you modify your DB schema
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protected $validationRules = [
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'parent_id' => 'required|integer',
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'invoice_id' => 'required|integer',
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'total_amount' => 'required|decimal',
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'paid_amount' => 'required|decimal',
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'balance' => 'required|decimal',
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'number_of_installments' => 'required|integer',
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'payment_method' => 'required|max_length[50]', // ✅ Removed 'string'
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'payment_date' => 'required|valid_date[Y-m-d H:i:s]',
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'status' => 'required|max_length[50]', // ✅ Removed 'string'
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'check_number' => 'permit_empty|max_length[100]',
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];
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protected $validationMessages = [
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'parent_id' => [
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'required' => 'Parent ID is required.',
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'integer' => 'Parent ID must be an integer.',
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],
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'invoice_id' => [
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'required' => 'Invoice ID is required.',
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'integer' => 'Invoice ID must be an integer.',
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],
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'total_amount' => [
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'required' => 'Total amount is required.',
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'decimal' => 'Total amount must be a valid decimal.',
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],
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'paid_amount' => [
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'required' => 'Paid amount is required.',
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'decimal' => 'Paid amount must be a valid decimal.',
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],
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'balance' => [
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'required' => 'Balance is required.',
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'decimal' => 'Balance must be a valid decimal.',
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],
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'payment_date' => [
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'required' => 'Payment date is required.',
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'valid_date' => 'Payment date must be a valid date (Y-m-d H:i:s).',
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],
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'payment_method' => [
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'required' => 'Payment method is required.',
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'max_length' => 'Payment method must not exceed 50 characters.',
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],
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'status' => [
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'required' => 'Status is required.',
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'max_length' => 'Status must not exceed 50 characters.',
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],
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'number_of_installments' => [
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'required' => 'Number of installments is required.',
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'integer' => 'Number of installments must be an integer.',
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],
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'check_number' => [
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'max_length' => 'Check number must not exceed 100 characters.',
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]
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];
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/**
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* Get payments by parent ID.
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*
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* @param int $parentId
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* @return array
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*/
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public function getPaymentsByParentId(int $parentId): array
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{
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return $this->where('parent_id', $parentId)
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->orderBy('payment_date', 'DESC')
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->findAll();
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}
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/**
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* Calculate the total paid amount for a specific parent.
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*
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* @param int $parentId
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* @return float
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*/
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public function getTotalPaidByParentId(int $parentId, string $schoolYear): float
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{
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$db = \Config\Database::connect();
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$result = $db->table('payments')
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->selectSum('paid_amount', 'total_paid')
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->where('parent_id', $parentId)
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->where('school_year', $schoolYear)
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->get()
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->getRowArray();
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return $result && isset($result['total_paid']) ? (float) $result['total_paid'] : 0.00;
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}
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/**
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* Update balance for a specific payment.
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*
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* @param int $paymentId
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* @param float $amountPaid
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* @return bool
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*/
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public function updateBalance(int $paymentId, float $amountPaid): bool
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{
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$payment = $this->find($paymentId);
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if (!$payment) {
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return false;
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}
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$newBalance = $payment['balance'] - $amountPaid;
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return $this->update($paymentId, [
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'paid_amount' => $payment['paid_amount'] + $amountPaid,
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'balance' => $newBalance
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]);
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}
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/**
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* Get payments by school year.
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*
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* @param string $schoolYear
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* @return array
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*/
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public function getPaymentsByYear(string $schoolYear): array
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{
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return $this->where('school_year', $schoolYear)
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->orderBy('payment_date', 'DESC')
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->findAll();
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}
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/**
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* Generate a new transaction ID.
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*
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* @return string
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*/
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public function generateNewTransactionId(): string
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{
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$currentYear = date('Y');
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$prefix = $currentYear . '-';
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$latest = $this->like('transaction_id', $prefix, 'after')
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->orderBy('transaction_id', 'DESC')
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->first();
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if ($latest && isset($latest['transaction_id'])) {
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$lastNumber = (int) str_replace($prefix, '', $latest['transaction_id']);
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$newNumber = $lastNumber + 1;
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} else {
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$newNumber = 1;
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}
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return $prefix . str_pad($newNumber, 6, '0', STR_PAD_LEFT);
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}
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public function getPaymentsByInvoice($invoiceIds): array
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{
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// Normalize input
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if (!is_array($invoiceIds)) {
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$invoiceIds = [$invoiceIds];
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}
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if (empty($invoiceIds)) {
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return [];
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}
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// Subquery: latest payment_date per invoice (Full/Partial only)
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$latestSub = $this->db->table('payments')
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->select('invoice_id, MAX(payment_date) AS max_date')
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->whereIn('status', ['Full', 'Paid', 'Partially Paid'])
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->groupBy('invoice_id')
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->getCompiledSelect();
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// Main query: join payments to the latest per invoice
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$rows = $this->db->table('payments p')
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->select('p.invoice_id, p.paid_amount AS last_paid_amount, p.payment_date AS last_payment_date, p.status AS last_payment_status')
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->join("($latestSub) latest", 'latest.invoice_id = p.invoice_id AND latest.max_date = p.payment_date', 'inner', false) // <-- escape=false
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->whereIn('p.invoice_id', $invoiceIds)
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->whereIn('p.status', ['Full', 'Paid', 'Partially Paid'])
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->get()
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->getResultArray();
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return $rows;
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}
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}
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