234 lines
8.9 KiB
PHP
234 lines
8.9 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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// Eigenschaften
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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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// 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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$this->EnableAction('ToDate');
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// Abrechnungs-Button
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$this->RegisterScript('StartBilling', 'Abrechnung starten', "<?php IPS_RequestAction(" . $this->InstanceID . ", 'StartBilling', ''); ?>");
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// 🧾 Media-Objekt für PDF-Ergebnis
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$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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IPS_LogMessage('Abrechnung', 'Modul geladen');
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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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IPS_LogMessage('Abrechnung', 'Media-Datei erstellt: media/' . $mid . '.' . $Extension);
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}
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}
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public function RequestAction($Ident, $Value)
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{
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IPS_LogMessage('Abrechnung', "RequestAction: $Ident");
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switch ($Ident) {
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case 'FromDate':
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case 'ToDate':
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SetValue($this->GetIDForIdent($Ident), $Value);
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break;
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case 'StartBilling':
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IPS_LogMessage('Abrechnung', 'Starte Abrechnung...');
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try {
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$pdfContent = $this->GenerateInvoices();
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if ($pdfContent === false) {
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IPS_LogMessage('Abrechnung', '❌ GenerateInvoices() lieferte false zurück');
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echo "❌ Fehler bei der PDF-Erstellung (GenerateInvoices)";
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return;
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}
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if ($pdfContent === null) {
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IPS_LogMessage('Abrechnung', '❌ GenerateInvoices() gab null zurück');
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echo "❌ Fehler bei der PDF-Erstellung (leer)";
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return;
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}
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if (strlen($pdfContent) < 100) {
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IPS_LogMessage('Abrechnung', '❌ PDF-Inhalt zu kurz: ' . strlen($pdfContent));
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echo "❌ Fehler bei der PDF-Erstellung (leeres PDF)";
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return;
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}
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$mediaID = $this->GetIDForIdent('InvoicePDF');
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if (!$mediaID) {
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IPS_LogMessage('Abrechnung', '❌ Media-ID nicht gefunden');
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echo "❌ Kein Media-Objekt vorhanden";
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return;
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}
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IPS_SetMediaContent($mediaID, base64_encode($pdfContent));
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SetValue($this->GetIDForIdent('LastResult'), 'Abrechnung vom ' . date('d.m.Y H:i'));
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IPS_LogMessage('Abrechnung', '✅ Abrechnung erfolgreich gespeichert (' . strlen($pdfContent) . ' Bytes)');
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echo "✅ PDF erfolgreich erstellt.";
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} catch (Throwable $e) {
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IPS_LogMessage('Abrechnung', '💥 Exception in StartBilling: ' . $e->getMessage());
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echo "❌ Ausnahmefehler: " . $e->getMessage();
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}
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break;
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}
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}
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// ====================== PDF-Logik ======================
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public function GenerateInvoices()
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{
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$from = GetValue($this->GetIDForIdent('FromDate'));
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$to = GetValue($this->GetIDForIdent('ToDate'));
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IPS_LogMessage('Abrechnung', '🕒 Starte GenerateInvoices()');
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IPS_LogMessage('Abrechnung', 'Zeitraum von ' . date('d.m.Y H:i', $from) . ' bis ' . date('d.m.Y H:i', $to));
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if ($from >= $to) {
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IPS_LogMessage('Abrechnung', '❌ Ungültiger Zeitraum: Start >= Ende');
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return false;
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}
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$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($this->ReadPropertyString('Tariffs'), true);
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if ($users === null) IPS_LogMessage('Abrechnung', '⚠️ Users konnte nicht geparst werden');
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if ($power === null) IPS_LogMessage('Abrechnung', '⚠️ PowerMeters konnte nicht geparst werden');
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if ($water === null) IPS_LogMessage('Abrechnung', '⚠️ WaterMeters konnte nicht geparst werden');
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if ($tariffs === null) IPS_LogMessage('Abrechnung', '⚠️ Tariffs konnte nicht geparst werden');
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if (empty($users)) {
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IPS_LogMessage('Abrechnung', '❌ Keine Benutzer definiert → Abbruch');
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return false;
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}
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IPS_LogMessage('Abrechnung', '✅ Benutzer: ' . count($users) . ', Stromzähler: ' . count($power) . ', Wasserzähler: ' . count($water) . ', Tarife: ' . count($tariffs));
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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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$pdf->SetAuthor('Abrechnung Modul');
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$pdf->SetTitle('Zählerabrechnung');
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$pdf->SetMargins(15, 15, 15);
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$pdf->SetAutoPageBreak(true, 20);
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$pdf->SetFont('dejavusans', '', 10);
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foreach ($users as $user) {
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$pdf->AddPage();
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$pdf->writeHTML("<h2>Rechnung für {$user['name']}</h2>");
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$pdf->writeHTML("<p>{$user['address']}<br>{$user['city']}</p>");
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$pdf->Ln(4);
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$pdf->writeHTML("<table border='1' cellpadding='5'>
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<tr style='background-color:#e0e0e0;'>
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<th>Zähler</th>
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<th>Typ</th>
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<th>Start</th>
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<th>Ende</th>
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<th>Verbrauch</th>
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<th>Tarif (Rp)</th>
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<th>Kosten (CHF)</th>
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</tr>");
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$total = 0.0;
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// Stromzähler
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foreach ($power as $m) {
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if ($m['user_id'] != $user['id']) continue;
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$total += $this->AddMeterToPDF($pdf, $m, $tariffs, $from, $to, 'Strombezug');
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}
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// Wasserzähler
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foreach ($water as $m) {
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if ($m['user_id'] != $user['id']) continue;
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$type = $m['meter_type'] ?? 'Warmwasser';
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$total += $this->AddMeterToPDF($pdf, $m, $tariffs, $from, $to, $type);
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}
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$pdf->writeHTML("</table>");
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$pdf->Ln(5);
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$pdf->writeHTML("<h3>Gesamtsumme: " . number_format($total, 2) . " CHF</h3>");
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}
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IPS_LogMessage('Abrechnung', 'PDF-Daten fertiggestellt');
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return $pdf->Output('Abrechnung.pdf', 'S');
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}
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private function AddMeterToPDF($pdf, $meter, $tariffs, $from, $to, $type)
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{
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$start = $this->GetValueAt($meter['var_consumption'], $from);
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$end = $this->GetValueAt($meter['var_consumption'], $to);
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if ($start === null || $end === null) return 0;
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$diff = max(0, $end - $start);
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$tariffRp = $this->GetTariff($tariffs, $type, $from, $to);
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$cost = ($tariffRp / 100) * $diff;
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$pdf->writeHTML("
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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>$start</td>
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<td>$end</td>
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<td>$diff</td>
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<td>$tariffRp</td>
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<td>" . number_format($cost, 2) . "</td>
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</tr>", false, false, false, false, '');
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return $cost;
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}
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private function GetTariff(array $tariffs, string $type, int $from, int $to): float
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{
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foreach ($tariffs as $t) {
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$start = strtotime($t['start']);
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$end = strtotime($t['end']);
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if ($from >= $start && $to <= $end && strtolower($t['unit_type']) == strtolower($type)) {
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return floatval($t['price']);
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}
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}
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// Kein passender Tarif gefunden
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return 0.0;
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}
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private function GetValueAt(int $varId, int $timestamp)
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{
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$archiveID = @IPS_GetInstanceListByModuleID('{43192F0B-135B-4CE7-A0A7-1475603F3060}')[0];
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if (!$archiveID || !IPS_VariableExists($varId)) return null;
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$values = @AC_GetLoggedValues($archiveID, $varId, $timestamp - 3600, $timestamp + 3600, 1);
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if ($values && count($values) > 0) {
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return floatval($values[0]['Value']);
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}
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return floatval(GetValue($varId));
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}
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}
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