root
62 lines
1.7 KiB
PHP
Executable File
62 lines
1.7 KiB
PHP
Executable File
<?php
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namespace App\Models;
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use CodeIgniter\Model;
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class DiscountUsageModel extends Model
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{
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protected $table = 'discount_usages';
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protected $primaryKey = 'id';
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protected $allowedFields = [
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'voucher_id',
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'invoice_id',
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'discount_amount',
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'school_year',
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'semester',
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'updated_by',
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'parent_id',
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'used_at'
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];
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// Enable automatic timestamps if desired (optional: only if you add created_at/updated_at columns)
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protected $useTimestamps = true;
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protected $createdField = 'created_at';
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protected $updatedField = 'updated_at';
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// Add validation rules
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protected $validationRules = [
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'voucher_id' => 'required|is_natural_no_zero',
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'invoice_id' => 'required|is_natural_no_zero',
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'user_id' => 'permit_empty|is_natural_no_zero',
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'used_at' => 'valid_date'
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];
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protected $validationMessages = [
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'voucher_id' => [
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'required' => 'Voucher ID is required.'
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],
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'invoice_id' => [
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'required' => 'Invoice ID is required.'
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]
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];
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public function getTotalDiscountByParentIdAndSchoolYear(int $parentId, string $schoolYear): float
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{
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$db = \Config\Database::connect();
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$result = $db->table('discount_usages du')
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->selectSum('du.discount_amount', 'total_discount')
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->join('invoices i', 'du.invoice_id = i.id')
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->where('i.parent_id', $parentId)
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->where('i.school_year', $schoolYear)
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->get()
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->getRowArray();
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return $result && isset($result['total_discount']) ? (float) $result['total_discount'] : 0.00;
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}
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}
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