622 lines
23 KiB
PHP
622 lines
23 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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public function Create()
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{
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parent::Create();
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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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$this->RegisterVariableInteger('FromDate', 'Startdatum', '~UnixTimestamp', 1);
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$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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$this->EnableAction('ToDate');
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$this->RegisterScript('StartBilling', 'Abrechnung starten', "<?php IPS_RequestAction(" . $this->InstanceID . ", 'StartBilling', ''); ?>");
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$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 . '.' . $Extension, false);
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}
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}
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public function RequestAction($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), $Value);
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break;
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case 'StartBilling':
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try {
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$pdfContent = $this->GenerateInvoices();
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if (!$pdfContent) {
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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($pdfContent));
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SetValue($this->GetIDForIdent('LastResult'), 'Abrechnung vom ' . date('d.m.Y H:i'));
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echo "✅ PDF erfolgreich erstellt.";
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} catch (Throwable $e) {
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echo "❌ Ausnahmefehler: " . $e->getMessage();
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}
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break;
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}
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}
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// ====================== PDF-Erstellung ======================
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public function GenerateInvoices()
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{
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$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($this->ReadPropertyString('Tariffs'), true);
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if (!class_exists('TCPDF')) {
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IPS_LogMessage('Abrechnung', 'TCPDF nicht gefunden!');
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return false;
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}
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// 🔥 NEU: Stromkosten EINMAL für alle User berechnen
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$this->CalculateAllPowerCosts($power, $tariffs, $from, $to);
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$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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foreach ($users as $user) {
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$this->BuildUserInvoice($pdf, $user, $power, $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, $user, $power, $water, $tariffs, $from, $to)
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{
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$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', $to) . "</p><br>";
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// ⚡ Stromkosten (aus globaler Berechnung)
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$html .= "<h3>⚡ Stromkosten</h3>";
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$powerResult = $this->GetCalculatedPowerCosts($user['id']);
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$html .= $powerResult['html'];
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$totalPower = $powerResult['sum'];
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// 💧 Nebenkosten
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$html .= "<h3>💧 Nebenkosten (Wasser/Wärme)</h3>";
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$additionalResult = $this->CalculateAdditionalCosts($water, $tariffs, $user['id'], $from, $to);
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$html .= $additionalResult['html'];
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$totalAdditional = $additionalResult['sum'];
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$grandTotal = $totalPower + $totalAdditional;
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$html .= "<h3 style='text-align:right;'>Gesamttotal: <strong>" . number_format($grandTotal, 2) . " CHF</strong></h3>";
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$pdf->writeHTML($html, true, false, true, false, '');
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}
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private function CalculateAllPowerCosts($powerMeters, $tariffs, $from, $to)
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{
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IPS_LogMessage('Abrechnung', "CalculateAllPowerCosts: from=" . date('d.m.Y H:i', $from) . " to=" . date('d.m.Y H:i', $to));
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$this->powerCostCache = []; // Cache leeren
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// 1. Zähler je User aufbauen
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$metersByUser = [];
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foreach ($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_' . $m['user_id']);
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if (!isset($metersByUser[$userId])) {
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$metersByUser[$userId] = [];
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}
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$metersByUser[$userId][$name] = [
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'importVar' => $m['var_consumption'] ?? null,
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'exportVar' => $m['var_feed'] ?? null
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];
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// Akkus initialisieren
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if (!isset($this->powerCostCache[$userId])) {
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$this->powerCostCache[$userId] = [];
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}
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$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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IPS_LogMessage('Abrechnung', 'CalculateAllPowerCosts: keine Stromzähler definiert.');
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return;
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}
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// 2. 15-Minuten-Schritte
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for ($ts = $from; $ts < $to; $ts += 900) {
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$slotEnd = min($to, $ts + 900);
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// Tarife (gleich für alle User)
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$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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// 2a. Deltas je Zähler des Users
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IPS_LogMessage("ABR", "---- DELTA-Berechnung für Intervall " . date("H:i", $ts) . " - " . date("H:i", $slotEnd) . " ----");
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// 2a. Deltas je Zähler des Users
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IPS_LogMessage("ABR", "---- BEGIN USER-METER DELTA BLOCK ----");
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IPS_LogMessage("ABR", "Intervall: " . date("d.m.Y H:i", $ts) . " - " . date("d.m.Y H:i", $slotEnd));
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foreach ($meters as $name => $mm) {
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IPS_LogMessage("ABR", "Meter: $name");
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IPS_LogMessage("ABR", " RAW mm JSON: " . json_encode($mm));
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$impDelta = 0.0;
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$expDelta = 0.0;
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// --------------------
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// IMPORT
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// --------------------
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if (isset($mm['importVar'])) {
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IPS_LogMessage("ABR", " importVar found: " . $mm['importVar']);
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} else {
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IPS_LogMessage("ABR", " ⚠ importVar NOT FOUND IN ARRAY!");
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}
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if (!empty($mm['importVar'])) {
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$varId = (int)$mm['importVar'];
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IPS_LogMessage("ABR", " Checking IMPORT variable ID = $varId");
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if (IPS_VariableExists($varId)) {
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IPS_LogMessage("ABR", " → IMPORT variable EXISTS");
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$impDelta = $this->getDeltaFromArchive($varId, $ts, $slotEnd);
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IPS_LogMessage("ABR", " → IMPORT DELTA = $impDelta");
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} else {
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IPS_LogMessage("ABR", " ⚠ IMPORT variable DOES NOT EXIST in IPS!");
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}
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} else {
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IPS_LogMessage("ABR", " ⚠ importVar IS EMPTY OR NULL");
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}
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// --------------------
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// EXPORT
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// --------------------
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if (isset($mm['exportVar'])) {
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IPS_LogMessage("ABR", " exportVar found: " . $mm['exportVar']);
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} else {
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IPS_LogMessage("ABR", " ⚠ exportVar NOT FOUND IN ARRAY!");
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}
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if (!empty($mm['exportVar'])) {
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$varId = (int)$mm['exportVar'];
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IPS_LogMessage("ABR", " Checking EXPORT variable ID = $varId");
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if (IPS_VariableExists($varId)) {
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IPS_LogMessage("ABR", " → EXPORT variable EXISTS");
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$expDelta = $this->getDeltaFromArchive($varId, $ts, $slotEnd);
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IPS_LogMessage("ABR", " → EXPORT DELTA = $expDelta");
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} else {
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IPS_LogMessage("ABR", " ⚠ EXPORT variable DOES NOT EXIST in IPS!");
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}
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} else {
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IPS_LogMessage("ABR", " ⚠ exportVar IS EMPTY OR NULL");
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}
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// --------------------
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// DELTAS WURDEN GEFUNDEN?
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// --------------------
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if ($impDelta > 0.0 || $expDelta > 0.0) {
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IPS_LogMessage("ABR", " ✔ VALID DELTAS → imp=$impDelta exp=$expDelta");
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$slot[$name] = ['imp' => $impDelta, 'exp' => $expDelta];
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$impTotal += $impDelta;
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$expTotal += $expDelta;
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} else {
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IPS_LogMessage("ABR", " ⚠ NO DELTA FOUND FOR THIS METER (imp=0 exp=0)");
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}
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IPS_LogMessage("ABR", "-------------------------------------------");
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}
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IPS_LogMessage("ABR", "---- END USER-METER DELTA BLOCK ----");
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IPS_LogMessage("ABR", "Intervall SUMME: impTotal=$impTotal | expTotal=$expTotal");
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if ($impTotal == 0.0 && $expTotal == 0.0) {
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continue; // für diesen User in diesem Intervall nichts passiert
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}
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// 2b. Verhältnis PV / Netz pro User
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if ($impTotal <= $expTotal && $expTotal > 0.0) {
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$ratio = $impTotal / $expTotal; // PV deckt alles
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$pvCoversAll = true;
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} elseif ($impTotal > 0.0) {
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$ratio = $expTotal / $impTotal; // Netzzusatz nötig
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$pvCoversAll = false;
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} else {
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$ratio = 0.0;
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$pvCoversAll = true;
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}
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// 2c. Werte pro Zähler verteilen
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foreach ($slot as $name => $v) {
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$imp = $v['imp'];
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$exp = $v['exp'];
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$this->powerCostCache[$userId][$name]['imp'] += $imp;
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$this->powerCostCache[$userId][$name]['exp'] += $exp;
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if ($pvCoversAll) {
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// PV deckt gesamten Verbrauch
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$this->powerCostCache[$userId][$name]['solar_bezug'] += $imp;
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$this->powerCostCache[$userId][$name]['solareinspeisung'] += (1 - $ratio) * $exp;
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$this->powerCostCache[$userId][$name]['solarverkauf'] += $ratio * $exp;
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if ($pSolar !== null) {
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$this->powerCostCache[$userId][$name]['cost_solar'] += ($imp * $pSolar) / 100.0;
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}
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if ($pFeed !== null) {
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$this->powerCostCache[$userId][$name]['rev_feedin'] += ((1 - $ratio) * $exp * $pFeed) / 100.0;
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}
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} else {
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// Teil Netzbezug
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$this->powerCostCache[$userId][$name]['solar_bezug'] += $ratio * $imp;
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$this->powerCostCache[$userId][$name]['netz_bezug'] += (1 - $ratio) * $imp;
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$this->powerCostCache[$userId][$name]['solarverkauf'] += $exp;
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if ($pGrid !== null) {
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$this->powerCostCache[$userId][$name]['cost_grid'] += ((1 - $ratio) * $imp * $pGrid) / 100.0;
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}
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if ($pSolar !== null) {
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$this->powerCostCache[$userId][$name]['cost_solar'] += ($ratio * $imp * $pSolar) / 100.0;
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}
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if ($pFeed !== null) {
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$this->powerCostCache[$userId][$name]['rev_feedin'] += ($exp * $pFeed) / 100.0;
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}
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}
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}
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}
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}
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IPS_LogMessage('Abrechnung', 'CalculateAllPowerCosts: Fertig.');
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}
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private function GetCalculatedPowerCosts($userId)
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{
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$html = "<table border='1' cellspacing='0' cellpadding='3' width='100%' style='font-size:8px;'>
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<tr style='background-color:#f0f0f0;'>
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<th>Zähler</th>
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<th>Import (kWh)</th>
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<th>Export (kWh)</th>
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<th>Solarbezug (kWh)</th>
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<th>Netzbezug (kWh)</th>
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<th>Solareinspeisung (kWh)</th>
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<th>Solarverkauf (kWh)</th>
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<th>Kosten Solar (CHF)</th>
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<th>Kosten Netz (CHF)</th>
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<th>Ertrag Einspeisung (CHF)</th>
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<th>Summe (CHF)</th>
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</tr>";
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if (empty($this->powerCostCache) || !isset($this->powerCostCache[$userId])) {
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$html .= "<tr><td colspan='11' align='center'>Keine Stromzähler für diesen Benutzer</td></tr></table><br>";
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return ['html' => $html, 'sum' => 0.0];
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}
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$sum = 0.0;
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foreach ($this->powerCostCache[$userId] as $name => $a) {
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$subtotal = $a['cost_grid'] + $a['cost_solar'] - $a['rev_feedin'];
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$sum += $subtotal;
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$html .= "<tr>
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<td>{$a['name']}</td>
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<td align='right'>" . number_format($a['imp'], 3) . "</td>
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<td align='right'>" . number_format($a['exp'], 3) . "</td>
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<td align='right'>" . number_format($a['solar_bezug'], 3) . "</td>
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<td align='right'>" . number_format($a['netz_bezug'], 3) . "</td>
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<td align='right'>" . number_format($a['solareinspeisung'], 3) . "</td>
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<td align='right'>" . number_format($a['solarverkauf'], 3) . "</td>
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<td align='right'>" . number_format($a['cost_solar'], 2) . "</td>
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<td align='right'>" . number_format($a['cost_grid'], 2) . "</td>
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<td align='right'>" . number_format($a['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 .= "<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></table><br>";
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return ['html' => $html, 'sum' => $sum];
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}
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private function CalculateAdditionalCosts($waterMeters, $tariffs, $userId, $from, $to)
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{
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$html = "<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><th>Typ</th><th>Start</th><th>Ende</th>
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<th>Zähler Start</th><th>Zähler Ende</th><th>Verbrauch</th><th>Tarif (Rp)</th><th>Kosten (CHF)</th>
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</tr>";
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$total = 0.0;
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$usedTariffs = [];
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foreach ($waterMeters as $m) {
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if ($m['user_id'] != $userId) continue;
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$type = $m['meter_type'] ?? 'Warmwasser';
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$cost = $this->AddMeterToPDFRow($m, $tariffs, $from, $to, $type);
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$html .= $cost['row'];
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$total += $cost['value'];
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$usedTariffs = array_merge($usedTariffs, $cost['tariffs']);
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}
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$html .= "<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($total, 2) . "</td>
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</tr></table><br>";
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if (!empty($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' => $total];
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}
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// ====================== Kernlogik für Wasser/Wärme ======================
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private function AddMeterToPDFRow($meter, $tariffs, $from, $to, $type)
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{
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$rows = '';
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$totalCost = 0.0;
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$usedTariffs = [];
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$varId = $meter['var_consumption'];
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if (!IPS_VariableExists($varId)) return ['row' => '', 'value' => 0, 'tariffs' => []];
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$filteredTariffs = array_filter($tariffs, fn($t) =>
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strtolower(trim($t['unit_type'] ?? '')) === strtolower(trim($type))
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);
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foreach ($filteredTariffs as &$t) {
|
||
$t['start_ts'] = $this->toUnixTs($t['start'], false);
|
||
$t['end_ts'] = $this->toUnixTs($t['end'], true);
|
||
}
|
||
unset($t);
|
||
usort($filteredTariffs, fn($a, $b) => ($a['start_ts'] ?? 0) <=> ($b['start_ts'] ?? 0));
|
||
|
||
$currentStart = $from;
|
||
while ($currentStart < $to) {
|
||
$activeTariff = null;
|
||
foreach ($filteredTariffs as $t) {
|
||
if (($t['start_ts'] ?? 0) <= $currentStart && $currentStart <= ($t['end_ts'] ?? 0)) {
|
||
$activeTariff = $t;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (!$activeTariff) {
|
||
$activeTariff = ['start_ts' => $currentStart, 'end_ts' => $to, 'price' => 0.0];
|
||
}
|
||
|
||
$tariffEnd = intval($activeTariff['end_ts']);
|
||
$tariffPrice = floatval($activeTariff['price']);
|
||
|
||
$key = $activeTariff['start_ts'] . '-' . $activeTariff['end_ts'] . '-' . $tariffPrice;
|
||
if (!isset($usedTariffs[$key])) {
|
||
$usedTariffs[$key] = [
|
||
'start' => $activeTariff['start_ts'],
|
||
'end' => $activeTariff['end_ts'],
|
||
'price' => $tariffPrice
|
||
];
|
||
}
|
||
|
||
$startValue = $this->GetValueAt($varId, $currentStart, true);
|
||
$segmentEnd = ($tariffEnd < $to) ? $tariffEnd : $to;
|
||
$endValue = $this->GetValueAt($varId, $segmentEnd, true);
|
||
|
||
if ($startValue === null || $endValue === null) break;
|
||
|
||
$verbrauch = max(0, $endValue - $startValue);
|
||
$kosten = round(($tariffPrice / 100) * $verbrauch, 2);
|
||
$totalCost += $kosten;
|
||
|
||
$rows .= "<tr>
|
||
<td>{$meter['name']}</td>
|
||
<td>{$type}</td>
|
||
<td align='center'>" . date('d.m.Y', $currentStart) . "</td>
|
||
<td align='center'>" . date('d.m.Y', $segmentEnd) . "</td>
|
||
<td align='right'>" . number_format($startValue, 2) . "</td>
|
||
<td align='right'>" . number_format($endValue, 2) . "</td>
|
||
<td align='right'>" . number_format($verbrauch, 2) . "</td>
|
||
<td align='right'>" . number_format($tariffPrice, 2) . "</td>
|
||
<td align='right'>" . number_format($kosten, 2) . "</td>
|
||
</tr>";
|
||
|
||
if ($tariffEnd < $to) $currentStart = $tariffEnd + 1;
|
||
else break;
|
||
}
|
||
|
||
if ($rows === '') return ['row' => '', 'value' => 0, 'tariffs' => []];
|
||
|
||
return ['row' => $rows, 'value' => $totalCost, 'tariffs' => array_values($usedTariffs)];
|
||
}
|
||
|
||
// ====================== Hilfsfunktionen ======================
|
||
|
||
private function GetValueAt($varId, $timestamp, $nearestAfter = true)
|
||
{
|
||
$archiveID = @IPS_GetInstanceListByModuleID('{43192F0B-135B-4CE7-A0A7-1475603F3060}')[0];
|
||
if (!$archiveID || !IPS_VariableExists($varId)) return null;
|
||
|
||
$values = @AC_GetLoggedValues($archiveID, $varId, $timestamp - 30 * 86400, $timestamp + 30 * 86400, 0);
|
||
if (empty($values)) return floatval(GetValue($varId));
|
||
|
||
$closest = null;
|
||
foreach ($values as $v) {
|
||
if ($nearestAfter && $v['TimeStamp'] >= $timestamp) {
|
||
$closest = $v['Value'];
|
||
break;
|
||
} elseif (!$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); // Wert davor/zu Beginn
|
||
$endValue = $this->GetValueAt($varId, $tEnd, true); // Wert danach/zum Ende
|
||
|
||
if ($startValue === null || $endValue === null) {
|
||
IPS_LogMessage('Abrechnung', "getDeltaFromArchive: Keine Werte für Var $varId zwischen " . date('d.m.Y H:i', $tStart) . " und " . date('d.m.Y H:i', $tEnd));
|
||
return 0.0;
|
||
}
|
||
|
||
$diff = $endValue - $startValue;
|
||
if ($diff < 0) {
|
||
// Sicherheitsnetz bei Zähler-Reset
|
||
$diff = 0.0;
|
||
}
|
||
return (float)$diff;
|
||
}
|
||
|
||
private function toUnixTs($val, $endOfDay = false)
|
||
{
|
||
if (is_int($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 : $ts;
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private function readDelta($varId, $tStart, $tEnd)
|
||
{
|
||
if (!is_int($tStart)) $tStart = strtotime($tStart);
|
||
if (!is_int($tEnd)) $tEnd = strtotime($tEnd);
|
||
|
||
$archiveID = @IPS_GetInstanceListByModuleID('{43192F0B-135B-4CE7-A0A7-1475603F3060}')[0];
|
||
if (!$archiveID || !IPS_VariableExists($varId)) return 0.0;
|
||
|
||
$values = @AC_GetLoggedValues($archiveID, $varId, $tStart - 86400, $tEnd + 86400, 0);
|
||
if (empty($values)) return 0.0;
|
||
|
||
usort($values, fn($a, $b) => intval($a['TimeStamp']) <=> intval($b['TimeStamp']));
|
||
$vStart = null;
|
||
$vEnd = null;
|
||
|
||
foreach ($values as $v) {
|
||
if ($v['TimeStamp'] <= $tStart) $vStart = $v['Value'];
|
||
if ($v['TimeStamp'] <= $tEnd) $vEnd = $v['Value'];
|
||
if ($v['TimeStamp'] > $tEnd) break;
|
||
}
|
||
|
||
if ($vStart === null) $vStart = floatval(GetValue($varId));
|
||
if ($vEnd === null) $vEnd = floatval(GetValue($varId));
|
||
|
||
$diff = $vEnd - $vStart;
|
||
return ($diff < 0) ? 0.0 : $diff;
|
||
}
|
||
|
||
private function getTariffPriceAt($tariffs, $typeSynonyms, $ts)
|
||
{
|
||
$wanted = array_map('strtolower', $typeSynonyms);
|
||
$cands = [];
|
||
foreach ($tariffs as $t) {
|
||
$u = strtolower(trim($t['unit_type'] ?? ''));
|
||
if (!in_array($u, $wanted)) continue;
|
||
|
||
$s = $this->toUnixTs($t['start'], false);
|
||
$e = $this->toUnixTs($t['end'], true);
|
||
if (!$s || !$e) continue;
|
||
if ($s <= $ts && $ts <= $e) $cands[] = floatval($t['price']);
|
||
}
|
||
if (empty($cands)) return null;
|
||
return end($cands);
|
||
}
|
||
}
|
||
?>
|