617 lines
20 KiB
PHP
617 lines
20 KiB
PHP
<?php
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declare(strict_types=1);
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include_once __DIR__ . '/libs/vendor/autoload.php'; // TCPDF via Composer
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class Abrechnung extends IPSModule
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{
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private array $powerCostCache = [];
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// ======================================================================
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// MODULE INITIALISIERUNG
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// ======================================================================
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public function Create()
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{
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parent::Create();
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// Properties
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$this->RegisterPropertyString('Users', '[]');
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$this->RegisterPropertyString('PowerMeters', '[]');
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$this->RegisterPropertyString('WaterMeters', '[]');
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$this->RegisterPropertyString('Tariffs', '[]');
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// Zeitraum-Variablen
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$this->RegisterVariableInteger('FromDate', 'Startdatum', '~UnixTimestamp', 1);
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$this->RegisterVariableInteger('ToDate', 'Enddatum', '~UnixTimestamp', 2);
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$this->RegisterVariableString('LastResult', 'Letzte Abrechnung', '', 3);
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$this->EnableAction('FromDate');
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$this->EnableAction('ToDate');
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// PDF & Script
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$this->RegisterScript(
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'StartBilling',
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'Abrechnung starten',
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"<?php IPS_RequestAction(" . $this->InstanceID . ", 'StartBilling', ''); ?>"
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);
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$this->RegisterMediaDocument('InvoicePDF', 'Letzte Rechnung', 'pdf');
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}
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public function ApplyChanges()
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{
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parent::ApplyChanges();
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}
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private function RegisterMediaDocument($Ident, $Name, $Extension, $Position = 0)
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{
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$mid = @IPS_GetObjectIDByIdent($Ident, $this->InstanceID);
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if ($mid === false) {
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$mid = IPS_CreateMedia(5); // 5 = Document
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IPS_SetParent($mid, $this->InstanceID);
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IPS_SetIdent($mid, $Ident);
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IPS_SetName($mid, $Name);
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IPS_SetPosition($mid, $Position);
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IPS_SetMediaFile($mid, "media/{$mid}.{$Extension}", false);
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}
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}
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// ======================================================================
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// ACTION HANDLER
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// ======================================================================
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public function RequestAction($Ident, $Value)
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{
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switch ($Ident) {
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case 'FromDate':
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case 'ToDate':
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SetValue($this->GetIDForIdent($Ident), $Value);
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break;
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case 'StartBilling':
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$content = $this->GenerateInvoices();
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if (!$content) {
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echo "❌ Fehler bei der PDF-Erstellung";
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return;
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}
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$mediaID = $this->GetIDForIdent('InvoicePDF');
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IPS_SetMediaContent($mediaID, base64_encode($content));
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SetValue($this->GetIDForIdent('LastResult'), 'Abrechnung vom ' . date('d.m.Y H:i'));
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echo "✅ PDF erfolgreich erstellt.";
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break;
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}
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}
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// ======================================================================
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// PDF ERSTELLUNG
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// ======================================================================
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public function GenerateInvoices()
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{
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$from = GetValue($this->GetIDForIdent('FromDate'));
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$to = GetValue($this->GetIDForIdent('ToDate'));
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$users = json_decode($this->ReadPropertyString('Users'), true);
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$power = json_decode($this->ReadPropertyString('PowerMeters'), true);
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$water = json_decode($this->ReadPropertyString('WaterMeters'), true);
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$tariffs = json_decode($this->ReadPropertyString('Tariffs'), true);
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if (!class_exists('TCPDF')) {
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return false;
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}
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// Stromkosten einmal berechnen
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$this->CalculateAllPowerCosts($power, $tariffs, $from, $to);
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// PDF Grundstruktur
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$pdf = new TCPDF('P', 'mm', 'A4', true, 'UTF-8', false);
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$pdf->SetCreator('IPSymcon Abrechnung');
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$pdf->SetMargins(15, 15, 15);
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$pdf->SetAutoPageBreak(true, 20);
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$pdf->SetFont('dejavusans', '', 9);
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// Für jeden Nutzer Seite erzeugen
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foreach ($users as $user) {
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$this->BuildUserInvoice($pdf, $user, $water, $tariffs, $from, $to);
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}
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return $pdf->Output('Abrechnung.pdf', 'S');
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}
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private function BuildUserInvoice($pdf, array $user, array $water, array $tariffs, int $from, int $to)
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{
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$pdf->AddPage();
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$html = "
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<h2>Rechnung für {$user['name']}</h2>
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<p>{$user['address']}<br>{$user['city']}</p>
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<p><strong>Zeitraum:</strong> " . date('d.m.Y', $from) . " – " . date('d.m.Y', $to) . "</p><br>";
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// Stromkosten
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$html .= "<h3>⚡ Stromkosten</h3>";
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$powerResult = $this->GetCalculatedPowerCosts($user['id']);
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$html .= $powerResult['html'];
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// Nebenkosten (Wasser/Wärme)
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$html .= "<h3>💧 Nebenkosten (Wasser/Wärme)</h3>";
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$additional = $this->CalculateAdditionalCosts($water, $tariffs, $user['id'], $from, $to);
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$html .= $additional['html'];
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// Gesamt
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$grandTotal = $powerResult['sum'] + $additional['sum'];
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$html .= "<h3 style='text-align:right;'>Gesamttotal:
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<strong>" . number_format($grandTotal, 2) . " CHF</strong></h3>";
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$pdf->writeHTML($html, true, false, true, false, '');
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}
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// ======================================================================
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// STROMKOSTEN → GLOBAL EINMAL BERECHNEN
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// ======================================================================
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private function CalculateAllPowerCosts(array $powerMeters, array $tariffs, int $from, int $to)
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{
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$this->powerCostCache = [];
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$metersByUser = [];
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// User-Zuordnung
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foreach ($powerMeters as $m) {
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if (!isset($m['user_id'])) {
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continue;
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}
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$userId = (int)$m['user_id'];
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$name = $m['name'] ?? ('Meter_' . $userId);
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$metersByUser[$userId][$name] = [
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'importVar' => $m['var_consumption'] ?? null,
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'exportVar' => $m['var_feed'] ?? null
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];
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$this->powerCostCache[$userId][$name] = [
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'name' => $name,
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'imp' => 0.0,
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'exp' => 0.0,
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'solar_bezug' => 0.0,
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'netz_bezug' => 0.0,
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'solareinspeisung' => 0.0,
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'solarverkauf' => 0.0,
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'cost_solar' => 0.0,
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'cost_grid' => 0.0,
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'rev_feedin' => 0.0
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];
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}
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if (empty($metersByUser)) {
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return;
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}
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// 15-Minuten Raster
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for ($ts = $from; $ts < $to; $ts += 900) {
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$slotEnd = min($to, $ts + 900);
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$pGrid = $this->getTariffPriceAt($tariffs, ['Netztarif'], $ts);
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$pSolar = $this->getTariffPriceAt($tariffs, ['Solartarif'], $ts);
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$pFeed = $this->getTariffPriceAt($tariffs, ['Einspeisetarif'], $ts);
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foreach ($metersByUser as $userId => $meters) {
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$impTotal = 0.0;
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$expTotal = 0.0;
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$slot = [];
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// Deltas je Zähler
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foreach ($meters as $name => $mm) {
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$impDelta = !empty($mm['importVar'])
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? $this->getDeltaFromArchive((int)$mm['importVar'], $ts, $slotEnd)
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: 0.0;
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$expDelta = !empty($mm['exportVar'])
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? $this->getDeltaFromArchive((int)$mm['exportVar'], $ts, $slotEnd)
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: 0.0;
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if ($impDelta > 0 || $expDelta > 0) {
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$slot[$name] = ['imp' => $impDelta, 'exp' => $expDelta];
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$impTotal += $impDelta;
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$expTotal += $expDelta;
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}
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}
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if ($impTotal == 0.0 && $expTotal == 0.0) {
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continue;
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}
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// Verhältnis bestimmen
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if ($impTotal <= $expTotal && $expTotal > 0) {
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$ratio = $impTotal / $expTotal;
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$pvCoversAll = true;
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} elseif ($impTotal > 0) {
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$ratio = $expTotal / $impTotal;
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$pvCoversAll = false;
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} else {
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$ratio = 0;
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$pvCoversAll = true;
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}
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// Werte verteilen
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foreach ($slot as $name => $v) {
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$imp = $v['imp'];
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$exp = $v['exp'];
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$entry = &$this->powerCostCache[$userId][$name];
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$entry['imp'] += $imp;
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$entry['exp'] += $exp;
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if ($pvCoversAll) {
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$entry['solar_bezug'] += $imp;
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$entry['solareinspeisung'] += (1 - $ratio) * $exp;
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$entry['solarverkauf'] += $ratio * $exp;
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if ($pSolar !== null) {
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$entry['cost_solar'] += ($imp * $pSolar) / 100;
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}
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if ($pFeed !== null) {
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$entry['rev_feedin'] += ((1 - $ratio) * $exp * $pFeed) / 100;
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}
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} else {
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$entry['solar_bezug'] += $ratio * $imp;
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$entry['netz_bezug'] += (1 - $ratio) * $imp;
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$entry['solarverkauf'] += $exp;
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if ($pGrid !== null) {
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$entry['cost_grid'] += ((1 - $ratio) * $imp * $pGrid) / 100;
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}
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if ($pSolar !== null) {
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$entry['cost_solar'] += ($ratio * $imp * $pSolar) / 100;
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}
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if ($pFeed !== null) {
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$entry['rev_feedin'] += ($exp * $pFeed) / 100;
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}
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}
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}
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}
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}
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}
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// ======================================================================
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// BEREITS BERECHNETE STROMKOSTEN → RÜCKGABE PRO USER
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// ======================================================================
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private function GetCalculatedPowerCosts(int $userId): array
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{
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$html = "
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<table border='1' cellspacing='0' cellpadding='3' width='100%' style='font-size:8px;'>
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<tr style='background-color:#f0f0f0;'>
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<th>Zähler</th>
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<th>Import (kWh)</th>
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<th>Export (kWh)</th>
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<th>Solarbezug (kWh)</th>
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<th>Netzbezug (kWh)</th>
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<th>Solareinspeisung (kWh)</th>
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<th>Solarverkauf (kWh)</th>
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<th>Kosten Solar (CHF)</th>
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<th>Kosten Netz (CHF)</th>
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<th>Ertrag Einspeisung (CHF)</th>
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<th>Summe (CHF)</th>
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</tr>";
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if (empty($this->powerCostCache) || !isset($this->powerCostCache[$userId])) {
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$html .= "<tr><td colspan='11' align='center'>Keine Stromzähler gefunden</td></tr></table><br>";
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return ['html' => $html, 'sum' => 0];
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}
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$sum = 0;
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foreach ($this->powerCostCache[$userId] as $entry) {
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$subtotal = $entry['cost_grid'] + $entry['cost_solar'] - $entry['rev_feedin'];
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$sum += $subtotal;
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$html .= "
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<tr>
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<td>{$entry['name']}</td>
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<td align='right'>" . number_format($entry['imp'], 3) . "</td>
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<td align='right'>" . number_format($entry['exp'], 3) . "</td>
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<td align='right'>" . number_format($entry['solar_bezug'], 3) . "</td>
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<td align='right'>" . number_format($entry['netz_bezug'], 3) . "</td>
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<td align='right'>" . number_format($entry['solareinspeisung'], 3) . "</td>
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<td align='right'>" . number_format($entry['solarverkauf'], 3) . "</td>
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<td align='right'>" . number_format($entry['cost_solar'], 2) . "</td>
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<td align='right'>" . number_format($entry['cost_grid'], 2) . "</td>
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<td align='right'>" . number_format($entry['rev_feedin'], 2) . "</td>
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<td align='right'><b>" . number_format($subtotal, 2) . "</b></td>
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</tr>";
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}
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$html .= "
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<tr style='background-color:#f9f9f9; font-weight:bold;'>
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<td colspan='10' align='right'>Total Stromkosten:</td>
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<td align='right'>" . number_format($sum, 2) . "</td>
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</tr>
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</table><br>";
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return ['html' => $html, 'sum' => $sum];
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}
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// ======================================================================
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// WASSER / WÄRME
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// ======================================================================
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private function CalculateAdditionalCosts(array $waterMeters, array $tariffs, int $userId, int $from, int $to): array
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{
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$html = "
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<table border='1' cellspacing='0' cellpadding='3' width='100%' style='font-size:8px;'>
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<tr style='background-color:#f0f0f0;'>
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<th>Zähler</th>
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<th>Typ</th>
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<th>Start</th>
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<th>Ende</th>
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<th>Zähler Start</th>
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<th>Zähler Ende</th>
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<th>Verbrauch</th>
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<th>Tarif (Rp)</th>
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<th>Kosten (CHF)</th>
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</tr>";
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$total = 0;
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$usedTariffs = [];
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foreach ($waterMeters as $m) {
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if ($m['user_id'] != $userId) {
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continue;
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}
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$type = $m['meter_type'] ?? 'Warmwasser';
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$row = $this->AddMeterToPDFRow($m, $tariffs, $from, $to, $type);
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$html .= $row['row'];
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$total += $row['value'];
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$usedTariffs = array_merge($usedTariffs, $row['tariffs']);
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}
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$html .= "
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<tr style='background-color:#f9f9f9; font-weight:bold;'>
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<td colspan='8' align='right'>Total Nebenkosten:</td>
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<td align='right'>" . number_format($total, 2) . "</td>
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</tr>
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</table><br>";
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if (!empty($usedTariffs)) {
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$html .= "<p><strong>Angewendete Nebenkostentarife:</strong></p><ul>";
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foreach ($usedTariffs as $t) {
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$html .= "<li>" . date('d.m.Y', $t['start']) . " – " . date('d.m.Y', $t['end'])
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. ": " . number_format($t['price'], 2) . " Rp</li>";
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}
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$html .= "</ul><br>";
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}
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return ['html' => $html, 'sum' => $total];
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}
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private function AddMeterToPDFRow(array $meter, array $tariffs, int $from, int $to, string $type): array
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{
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$rows = '';
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$totalCost = 0;
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$usedTariffs = [];
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$varId = $meter['var_consumption'];
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if (!IPS_VariableExists($varId)) {
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return ['row' => '', 'value' => 0, 'tariffs' => []];
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}
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// Finde passende Tarife
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$filtered = array_filter(
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$tariffs,
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fn($t) => strtolower(trim($t['unit_type'] ?? '')) === strtolower(trim($type))
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);
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foreach ($filtered as &$t) {
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$t['start_ts'] = $this->toUnixTs($t['start'], false);
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$t['end_ts'] = $this->toUnixTs($t['end'], true);
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}
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unset($t);
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usort($filtered, fn($a, $b) => ($a['start_ts'] ?? 0) <=> ($b['start_ts'] ?? 0));
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// Zeitfenster aufsplitten
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$current = $from;
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while ($current < $to) {
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$active = null;
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foreach ($filtered as $t) {
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if (($t['start_ts'] <= $current) && ($current <= $t['end_ts'])) {
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$active = $t;
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break;
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}
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}
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if (!$active) {
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$active = [
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'start_ts' => $current,
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'end_ts' => $to,
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'price' => 0
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];
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}
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$segmentEnd = min($active['end_ts'], $to);
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$tariffPrice = floatval($active['price']);
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// Eintrag merken für Zusammenfassung
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$usedTariffs[$active['start_ts'] . "-" . $active['end_ts']] = [
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'start' => $active['start_ts'],
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'end' => $active['end_ts'],
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'price' => $tariffPrice
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];
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// Werte aus Archiv
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$startValue = $this->GetValueAt($varId, $current, true);
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$endValue = $this->GetValueAt($varId, $segmentEnd, true);
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if ($startValue === null || $endValue === null) {
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break;
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}
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$verbrauch = max(0, $endValue - $startValue);
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$kosten = ($tariffPrice / 100) * $verbrauch;
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$totalCost += $kosten;
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$rows .= "
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<tr>
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<td>{$meter['name']}</td>
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<td>{$type}</td>
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<td align='center'>" . date('d.m.Y', $current) . "</td>
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<td align='center'>" . date('d.m.Y', $segmentEnd) . "</td>
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<td align='right'>" . number_format($startValue, 2) . "</td>
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<td align='right'>" . number_format($endValue, 2) . "</td>
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<td align='right'>" . number_format($verbrauch, 2) . "</td>
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<td align='right'>" . number_format($tariffPrice, 2) . "</td>
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<td align='right'>" . number_format($kosten, 2) . "</td>
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</tr>";
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$current = ($active['end_ts'] < $to) ? ($active['end_ts'] + 1) : $to;
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}
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return [
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'row' => $rows,
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'value' => $totalCost,
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'tariffs' => array_values($usedTariffs)
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];
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}
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// ======================================================================
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// HILFSFUNKTIONEN
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// ======================================================================
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|
||
private function GetValueAt(int $varId, int $timestamp, bool $nearestAfter = true)
|
||
{
|
||
$archiveID = @IPS_GetInstanceListByModuleID('{43192F0B-135B-4CE7-A0A7-1475603F3060}')[0];
|
||
|
||
if (!$archiveID || !IPS_VariableExists($varId)) {
|
||
return null;
|
||
}
|
||
|
||
$values = @AC_GetLoggedValues(
|
||
$archiveID,
|
||
$varId,
|
||
$timestamp - 2592000, // 30 Tage zurück
|
||
$timestamp + 2592000, // 30 Tage nach vorne
|
||
0
|
||
);
|
||
|
||
if (empty($values)) {
|
||
return floatval(GetValue($varId));
|
||
}
|
||
|
||
$closest = null;
|
||
|
||
foreach ($values as $v) {
|
||
if ($nearestAfter && $v['TimeStamp'] >= $timestamp) {
|
||
return $v['Value'];
|
||
}
|
||
if (!$nearestAfter && $v['TimeStamp'] <= $timestamp) {
|
||
$closest = $v['Value'];
|
||
}
|
||
}
|
||
|
||
return $closest ?? floatval(GetValue($varId));
|
||
}
|
||
|
||
|
||
private function getDeltaFromArchive(int $varId, int $tStart, int $tEnd): float
|
||
{
|
||
$startValue = $this->GetValueAt($varId, $tStart, false);
|
||
$endValue = $this->GetValueAt($varId, $tEnd, true);
|
||
|
||
if ($startValue === null || $endValue === null) {
|
||
return 0.0;
|
||
}
|
||
|
||
$diff = $endValue - $startValue;
|
||
return ($diff < 0) ? 0.0 : $diff;
|
||
}
|
||
|
||
|
||
private function toUnixTs($val, bool $endOfDay = false)
|
||
{
|
||
if (is_int($val)) {
|
||
return $val;
|
||
}
|
||
|
||
if (is_numeric($val)) {
|
||
return intval($val);
|
||
}
|
||
|
||
if (is_string($val)) {
|
||
|
||
$s = trim($val);
|
||
|
||
if ($s !== '' && $s[0] === '{') {
|
||
$obj = json_decode($s, true);
|
||
|
||
if (isset($obj['year'], $obj['month'], $obj['day'])) {
|
||
$time = $endOfDay ? '23:59:59' : '00:00:00';
|
||
return strtotime(sprintf(
|
||
'%04d-%02d-%02d %s',
|
||
$obj['year'],
|
||
$obj['month'],
|
||
$obj['day'],
|
||
$time
|
||
));
|
||
}
|
||
}
|
||
|
||
$ts = strtotime($s);
|
||
return $ts === false ? null : $ts;
|
||
}
|
||
|
||
return null;
|
||
}
|
||
|
||
|
||
private function getTariffPriceAt(array $tariffs, array $typeSynonyms, int $ts)
|
||
{
|
||
$wanted = array_map('strtolower', $typeSynonyms);
|
||
$matches = [];
|
||
|
||
foreach ($tariffs as $t) {
|
||
|
||
$type = strtolower(trim($t['unit_type'] ?? ''));
|
||
|
||
if (!in_array($type, $wanted)) {
|
||
continue;
|
||
}
|
||
|
||
$start = $this->toUnixTs($t['start'], false);
|
||
$end = $this->toUnixTs($t['end'], true);
|
||
|
||
if (!$start || !$end) {
|
||
continue;
|
||
}
|
||
|
||
if ($start <= $ts && $ts <= $end) {
|
||
$matches[] = floatval($t['price']);
|
||
}
|
||
}
|
||
|
||
if (empty($matches)) {
|
||
return null;
|
||
}
|
||
|
||
return end($matches);
|
||
}
|
||
}
|
||
|
||
?>
|