Finalización del módulo Luz Cámara: Corrección de errores JS, exportación profesional a PDF y reportes de deudores
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191
models/ElectricityPayment.php
Executable file
191
models/ElectricityPayment.php
Executable file
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<?php
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class ElectricityPayment
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{
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/**
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* Obtener matriz completa de pagos para un año
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* OPTIMIZADO: Una sola query para todos los periodos
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*/
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public static function getMatrix($year)
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{
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$db = Database::getInstance();
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$houses = $db->fetchAll(
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"SELECT h.id, h.number, h.status, h.consumption_only, h.owner_name
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FROM houses h
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ORDER BY CAST(h.number AS UNSIGNED)"
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);
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$periods = ElectricityBill::getPeriods();
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// OPTIMIZADO: Una sola query en lugar de 6 queries separadas
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$allPayments = $db->fetchAll(
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"SELECT house_id, period, amount, payment_date
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FROM electricity_payments
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WHERE year = ?
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ORDER BY FIELD(period, 'Ene-Feb', 'Mar-Abr', 'May-Jun', 'Jul-Ago', 'Sep-Oct', 'Nov-Dic')",
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[$year]
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);
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// Organizar pagos por periodo
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$payments = [];
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foreach ($periods as $period) {
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$payments[$period] = [];
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}
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foreach ($allPayments as $p) {
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$payments[$p['period']][$p['house_id']] = $p;
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}
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return ['houses' => $houses, 'payments' => $payments, 'periods' => $periods];
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}
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/**
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* Actualizar un solo pago
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*/
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public static function update($houseId, $year, $period, $amount, $userId, $notes = null)
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{
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$db = Database::getInstance();
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$existing = $db->fetchOne(
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"SELECT id FROM electricity_payments WHERE house_id = ? AND year = ? AND period = ?",
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[$houseId, $year, $period]
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);
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if ($amount == 0 && $existing) {
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$db->execute(
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"DELETE FROM electricity_payments WHERE id = ?",
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[$existing['id']]
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);
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return ['success' => true, 'deleted' => true];
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}
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if ($existing) {
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$db->execute(
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"UPDATE electricity_payments SET amount = ?, payment_date = NOW(), notes = ?, created_by = ? WHERE id = ?",
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[$amount, $notes, $userId, $existing['id']]
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);
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}
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else {
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$db->execute(
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"INSERT INTO electricity_payments (house_id, year, period, amount, payment_date, notes, created_by)
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VALUES (?, ?, ?, ?, NOW(), ?, ?)",
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[$houseId, $year, $period, $amount, $notes, $userId]
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);
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}
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return ['success' => true, 'deleted' => false];
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}
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/**
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* Actualizar múltiples pagos en batch con transacción
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* OPTIMIZADO: Similar a Payment::updateBatch()
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*/
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public static function updateBatch($changes, $userId)
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{
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$db = Database::getInstance();
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$pdo = $db->getPDO();
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try {
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$pdo->beginTransaction();
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$updateCount = 0;
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$deleteCount = 0;
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// Preparar statements una sola vez (reutilización)
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$insertStmt = $pdo->prepare(
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"INSERT INTO electricity_payments (house_id, year, period, amount, payment_date, created_by)
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VALUES (?, ?, ?, ?, NOW(), ?)
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ON DUPLICATE KEY UPDATE
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amount = VALUES(amount),
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payment_date = VALUES(payment_date),
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created_by = VALUES(created_by)"
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);
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$deleteStmt = $pdo->prepare(
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"DELETE FROM electricity_payments WHERE house_id = ? AND year = ? AND period = ?"
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);
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foreach ($changes as $change) {
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// Validar que tenemos los datos mínimos
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if (!isset($change['house_id'], $change['year'], $change['period'])) {
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continue;
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}
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$amount = isset($change['amount']) ? (float)$change['amount'] : 0;
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if ($amount == 0) {
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// Eliminar si el monto es 0
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$deleteStmt->execute([
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$change['house_id'],
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$change['year'],
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$change['period']
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]);
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$deleteCount++;
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}
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else {
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// Insertar o actualizar
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$insertStmt->execute([
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$change['house_id'],
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$change['year'],
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$change['period'],
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$amount,
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$userId
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]);
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$updateCount++;
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}
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}
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$pdo->commit();
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return [
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'success' => true,
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'count' => $updateCount + $deleteCount,
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'updated' => $updateCount,
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'deleted' => $deleteCount
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];
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}
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catch (Exception $e) {
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$pdo->rollback();
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error_log("Error en ElectricityPayment::updateBatch: " . $e->getMessage());
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return [
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'success' => false,
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'error' => $e->getMessage()
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];
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}
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}
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/**
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* Obtener pagos de una casa específica
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*/
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public static function getByHouse($houseId, $year = null)
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{
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$db = Database::getInstance();
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if ($year) {
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return $db->fetchAll(
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"SELECT * FROM electricity_payments WHERE house_id = ? AND year = ? ORDER BY FIELD(period, 'Ene-Feb', 'Mar-Abr', 'May-Jun', 'Jul-Ago', 'Sep-Oct', 'Nov-Dic')",
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[$houseId, $year]
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);
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}
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return $db->fetchAll(
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"SELECT * FROM electricity_payments WHERE house_id = ? ORDER BY year DESC, FIELD(period, 'Ene-Feb', 'Mar-Abr', 'May-Jun', 'Jul-Ago', 'Sep-Oct', 'Nov-Dic') DESC",
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[$houseId]
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);
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}
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/**
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* Obtener total de pagos de un año
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*/
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public static function getTotalByYear($year)
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{
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$db = Database::getInstance();
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$result = $db->fetchOne(
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"SELECT COALESCE(SUM(amount), 0) as total FROM electricity_payments WHERE year = ?",
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[$year]
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);
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return $result['total'] ?? 0;
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}
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}
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