RegisterPropertyString('Users', '[]');
$this->RegisterPropertyString('PowerMeters', '[]');
$this->RegisterPropertyString('WaterMeters', '[]');
$this->RegisterPropertyString('Tariffs', '[]');
$this->RegisterVariableInteger('FromDate', 'Startdatum', '~UnixTimestamp', 1);
$this->RegisterVariableInteger('ToDate', 'Enddatum', '~UnixTimestamp', 2);
$this->RegisterVariableString('LastResult', 'Letzte Abrechnung', '', 3);
$this->EnableAction('FromDate');
$this->EnableAction('ToDate');
$this->RegisterScript('StartBilling', 'Abrechnung starten', "InstanceID . ", 'StartBilling', ''); ?>");
$this->RegisterMediaDocument('InvoicePDF', 'Letzte Rechnung', 'pdf');
}
public function ApplyChanges()
{
parent::ApplyChanges();
}
private function RegisterMediaDocument($Ident, $Name, $Extension, $Position = 0)
{
$mid = @IPS_GetObjectIDByIdent($Ident, $this->InstanceID);
if ($mid === false) {
$mid = IPS_CreateMedia(5); // 5 = Document
IPS_SetParent($mid, $this->InstanceID);
IPS_SetIdent($mid, $Ident);
IPS_SetName($mid, $Name);
IPS_SetPosition($mid, $Position);
IPS_SetMediaFile($mid, 'media/' . $mid . '.' . $Extension, false);
}
}
public function RequestAction($Ident, $Value)
{
switch ($Ident) {
case 'FromDate':
case 'ToDate':
SetValue($this->GetIDForIdent($Ident), $Value);
break;
case 'StartBilling':
try {
$pdfContent = $this->GenerateInvoices();
if (!$pdfContent) {
echo "❌ Fehler bei der PDF-Erstellung";
return;
}
$mediaID = $this->GetIDForIdent('InvoicePDF');
IPS_SetMediaContent($mediaID, base64_encode($pdfContent));
SetValue($this->GetIDForIdent('LastResult'), 'Abrechnung vom ' . date('d.m.Y H:i'));
echo "✅ PDF erfolgreich erstellt.";
} catch (Throwable $e) {
echo "❌ Ausnahmefehler: " . $e->getMessage();
}
break;
}
}
// ====================== PDF-Erstellung ======================
public function GenerateInvoices()
{
$from = GetValue($this->GetIDForIdent('FromDate'));
$to = GetValue($this->GetIDForIdent('ToDate'));
$users = json_decode($this->ReadPropertyString('Users'), true);
$power = json_decode($this->ReadPropertyString('PowerMeters'), true);
$water = json_decode($this->ReadPropertyString('WaterMeters'), true);
$tariffs = json_decode($this->ReadPropertyString('Tariffs'), true);
if (!class_exists('TCPDF')) {
IPS_LogMessage('Abrechnung', 'TCPDF nicht gefunden!');
return false;
}
// 🔥 NEU: Stromkosten EINMAL für alle User berechnen
$this->CalculateAllPowerCosts($power, $tariffs, $from, $to);
$pdf = new TCPDF('P', 'mm', 'A4', true, 'UTF-8', false);
$pdf->SetCreator('IPSymcon Abrechnung');
$pdf->SetMargins(15, 15, 15);
$pdf->SetAutoPageBreak(true, 20);
$pdf->SetFont('dejavusans', '', 9);
foreach ($users as $user) {
$this->BuildUserInvoice($pdf, $user, $power, $water, $tariffs, $from, $to);
}
return $pdf->Output('Abrechnung.pdf', 'S');
}
private function BuildUserInvoice($pdf, $user, $power, $water, $tariffs, $from, $to)
{
$pdf->AddPage();
$html = "
Rechnung für {$user['name']}
{$user['address']}
{$user['city']}
Zeitraum: " . date('d.m.Y', $from) . " – " . date('d.m.Y', $to) . "
";
// ⚡ Stromkosten (aus globaler Berechnung)
$html .= "⚡ Stromkosten
";
$powerResult = $this->GetCalculatedPowerCosts($user['id']);
$html .= $powerResult['html'];
$totalPower = $powerResult['sum'];
// 💧 Nebenkosten
$html .= "💧 Nebenkosten (Wasser/Wärme)
";
$additionalResult = $this->CalculateAdditionalCosts($water, $tariffs, $user['id'], $from, $to);
$html .= $additionalResult['html'];
$totalAdditional = $additionalResult['sum'];
$grandTotal = $totalPower + $totalAdditional;
$html .= "Gesamttotal: " . number_format($grandTotal, 2) . " CHF
";
$pdf->writeHTML($html, true, false, true, false, '');
}
private function CalculateAllPowerCosts($powerMeters, $tariffs, $from, $to)
{
IPS_LogMessage('Abrechnung', "CalculateAllPowerCosts: from=" . date('d.m.Y H:i', $from) . " to=" . date('d.m.Y H:i', $to));
$this->powerCostCache = []; // Cache leeren
// 1. Zähler je User aufbauen
$metersByUser = [];
foreach ($powerMeters as $m) {
if (!isset($m['user_id'])) {
continue;
}
$userId = (int)$m['user_id'];
$name = $m['name'] ?? ('Meter_' . $m['user_id']);
if (!isset($metersByUser[$userId])) {
$metersByUser[$userId] = [];
}
$metersByUser[$userId][$name] = [
'importVar' => $m['var_consumption'] ?? null,
'exportVar' => $m['var_feed'] ?? null
];
// Akkus initialisieren
if (!isset($this->powerCostCache[$userId])) {
$this->powerCostCache[$userId] = [];
}
$this->powerCostCache[$userId][$name] = [
'name' => $name,
'imp' => 0.0,
'exp' => 0.0,
'solar_bezug' => 0.0,
'netz_bezug' => 0.0,
'solareinspeisung' => 0.0,
'solarverkauf' => 0.0,
'cost_solar' => 0.0,
'cost_grid' => 0.0,
'rev_feedin' => 0.0
];
}
if (empty($metersByUser)) {
IPS_LogMessage('Abrechnung', 'CalculateAllPowerCosts: keine Stromzähler definiert.');
return;
}
// 2. 15-Minuten-Schritte
for ($ts = $from; $ts < $to; $ts += 900) {
$slotEnd = min($to, $ts + 900);
// Tarife (gleich für alle User)
$pGrid = $this->getTariffPriceAt($tariffs, ['Netztarif'], $ts);
$pSolar = $this->getTariffPriceAt($tariffs, ['Solartarif'], $ts);
$pFeed = $this->getTariffPriceAt($tariffs, ['Einspeisetarif'], $ts);
foreach ($metersByUser as $userId => $meters) {
$impTotal = 0.0;
$expTotal = 0.0;
$slot = [];
// 2a. Deltas je Zähler des Users
IPS_LogMessage("ABR", "---- DELTA-Berechnung für Intervall " . date("H:i", $ts) . " - " . date("H:i", $slotEnd) . " ----");
// 2a. Deltas je Zähler des Users
IPS_LogMessage("ABR", "---- BEGIN USER-METER DELTA BLOCK ----");
IPS_LogMessage("ABR", "Intervall: " . date("d.m.Y H:i", $ts) . " - " . date("d.m.Y H:i", $slotEnd));
foreach ($meters as $name => $mm) {
IPS_LogMessage("ABR", "Meter: $name");
IPS_LogMessage("ABR", " RAW mm JSON: " . json_encode($mm));
$impDelta = 0.0;
$expDelta = 0.0;
// --------------------
// IMPORT
// --------------------
if (isset($mm['importVar'])) {
IPS_LogMessage("ABR", " importVar found: " . $mm['importVar']);
} else {
IPS_LogMessage("ABR", " ⚠ importVar NOT FOUND IN ARRAY!");
}
if (!empty($mm['importVar'])) {
$varId = (int)$mm['importVar'];
IPS_LogMessage("ABR", " Checking IMPORT variable ID = $varId");
if (IPS_VariableExists($varId)) {
IPS_LogMessage("ABR", " → IMPORT variable EXISTS");
$impDelta = $this->getDeltaFromArchive($varId, $ts, $slotEnd);
IPS_LogMessage("ABR", " → IMPORT DELTA = $impDelta");
} else {
IPS_LogMessage("ABR", " ⚠ IMPORT variable DOES NOT EXIST in IPS!");
}
} else {
IPS_LogMessage("ABR", " ⚠ importVar IS EMPTY OR NULL");
}
// --------------------
// EXPORT
// --------------------
if (isset($mm['exportVar'])) {
IPS_LogMessage("ABR", " exportVar found: " . $mm['exportVar']);
} else {
IPS_LogMessage("ABR", " ⚠ exportVar NOT FOUND IN ARRAY!");
}
if (!empty($mm['exportVar'])) {
$varId = (int)$mm['exportVar'];
IPS_LogMessage("ABR", " Checking EXPORT variable ID = $varId");
if (IPS_VariableExists($varId)) {
IPS_LogMessage("ABR", " → EXPORT variable EXISTS");
$expDelta = $this->getDeltaFromArchive($varId, $ts, $slotEnd);
IPS_LogMessage("ABR", " → EXPORT DELTA = $expDelta");
} else {
IPS_LogMessage("ABR", " ⚠ EXPORT variable DOES NOT EXIST in IPS!");
}
} else {
IPS_LogMessage("ABR", " ⚠ exportVar IS EMPTY OR NULL");
}
// --------------------
// DELTAS WURDEN GEFUNDEN?
// --------------------
if ($impDelta > 0.0 || $expDelta > 0.0) {
IPS_LogMessage("ABR", " ✔ VALID DELTAS → imp=$impDelta exp=$expDelta");
$slot[$name] = ['imp' => $impDelta, 'exp' => $expDelta];
$impTotal += $impDelta;
$expTotal += $expDelta;
} else {
IPS_LogMessage("ABR", " ⚠ NO DELTA FOUND FOR THIS METER (imp=0 exp=0)");
}
IPS_LogMessage("ABR", "-------------------------------------------");
}
IPS_LogMessage("ABR", "---- END USER-METER DELTA BLOCK ----");
IPS_LogMessage("ABR", "Intervall SUMME: impTotal=$impTotal | expTotal=$expTotal");
if ($impTotal == 0.0 && $expTotal == 0.0) {
continue; // für diesen User in diesem Intervall nichts passiert
}
// 2b. Verhältnis PV / Netz pro User
if ($impTotal <= $expTotal && $expTotal > 0.0) {
$ratio = $impTotal / $expTotal; // PV deckt alles
$pvCoversAll = true;
} elseif ($impTotal > 0.0) {
$ratio = $expTotal / $impTotal; // Netzzusatz nötig
$pvCoversAll = false;
} else {
$ratio = 0.0;
$pvCoversAll = true;
}
// 2c. Werte pro Zähler verteilen
foreach ($slot as $name => $v) {
$imp = $v['imp'];
$exp = $v['exp'];
$this->powerCostCache[$userId][$name]['imp'] += $imp;
$this->powerCostCache[$userId][$name]['exp'] += $exp;
if ($pvCoversAll) {
// PV deckt gesamten Verbrauch
$this->powerCostCache[$userId][$name]['solar_bezug'] += $imp;
$this->powerCostCache[$userId][$name]['solareinspeisung'] += (1 - $ratio) * $exp;
$this->powerCostCache[$userId][$name]['solarverkauf'] += $ratio * $exp;
if ($pSolar !== null) {
$this->powerCostCache[$userId][$name]['cost_solar'] += ($imp * $pSolar) / 100.0;
}
if ($pFeed !== null) {
$this->powerCostCache[$userId][$name]['rev_feedin'] += ((1 - $ratio) * $exp * $pFeed) / 100.0;
}
} else {
// Teil Netzbezug
$this->powerCostCache[$userId][$name]['solar_bezug'] += $ratio * $imp;
$this->powerCostCache[$userId][$name]['netz_bezug'] += (1 - $ratio) * $imp;
$this->powerCostCache[$userId][$name]['solarverkauf'] += $exp;
if ($pGrid !== null) {
$this->powerCostCache[$userId][$name]['cost_grid'] += ((1 - $ratio) * $imp * $pGrid) / 100.0;
}
if ($pSolar !== null) {
$this->powerCostCache[$userId][$name]['cost_solar'] += ($ratio * $imp * $pSolar) / 100.0;
}
if ($pFeed !== null) {
$this->powerCostCache[$userId][$name]['rev_feedin'] += ($exp * $pFeed) / 100.0;
}
}
}
}
}
IPS_LogMessage('Abrechnung', 'CalculateAllPowerCosts: Fertig.');
}
private function GetCalculatedPowerCosts($userId)
{
$html = "
| Zähler |
Import (kWh) |
Export (kWh) |
Solarbezug (kWh) |
Netzbezug (kWh) |
Solareinspeisung (kWh) |
Solarverkauf (kWh) |
Kosten Solar (CHF) |
Kosten Netz (CHF) |
Ertrag Einspeisung (CHF) |
Summe (CHF) |
";
if (empty($this->powerCostCache) || !isset($this->powerCostCache[$userId])) {
$html .= "| Keine Stromzähler für diesen Benutzer |
";
return ['html' => $html, 'sum' => 0.0];
}
$sum = 0.0;
foreach ($this->powerCostCache[$userId] as $name => $a) {
$subtotal = $a['cost_grid'] + $a['cost_solar'] - $a['rev_feedin'];
$sum += $subtotal;
$html .= "
| {$a['name']} |
" . number_format($a['imp'], 3) . " |
" . number_format($a['exp'], 3) . " |
" . number_format($a['solar_bezug'], 3) . " |
" . number_format($a['netz_bezug'], 3) . " |
" . number_format($a['solareinspeisung'], 3) . " |
" . number_format($a['solarverkauf'], 3) . " |
" . number_format($a['cost_solar'], 2) . " |
" . number_format($a['cost_grid'], 2) . " |
" . number_format($a['rev_feedin'], 2) . " |
" . number_format($subtotal, 2) . " |
";
}
$html .= "
| Total Stromkosten: |
" . number_format($sum, 2) . " |
";
return ['html' => $html, 'sum' => $sum];
}
private function CalculateAdditionalCosts($waterMeters, $tariffs, $userId, $from, $to)
{
$html = "
| Zähler | Typ | Start | Ende |
Zähler Start | Zähler Ende | Verbrauch | Tarif (Rp) | Kosten (CHF) |
";
$total = 0.0;
$usedTariffs = [];
foreach ($waterMeters as $m) {
if ($m['user_id'] != $userId) continue;
$type = $m['meter_type'] ?? 'Warmwasser';
$cost = $this->AddMeterToPDFRow($m, $tariffs, $from, $to, $type);
$html .= $cost['row'];
$total += $cost['value'];
$usedTariffs = array_merge($usedTariffs, $cost['tariffs']);
}
$html .= "
| Total Nebenkosten: |
" . number_format($total, 2) . " |
";
if (!empty($usedTariffs)) {
$html .= "Angewendete Nebenkostentarife:
";
foreach ($usedTariffs as $t) {
$html .= "- " . date('d.m.Y', $t['start']) . " – " . date('d.m.Y', $t['end']) . ": " .
number_format($t['price'], 2) . " Rp
";
}
$html .= "
";
}
return ['html' => $html, 'sum' => $total];
}
// ====================== Kernlogik für Wasser/Wärme ======================
private function AddMeterToPDFRow($meter, $tariffs, $from, $to, $type)
{
$rows = '';
$totalCost = 0.0;
$usedTariffs = [];
$varId = $meter['var_consumption'];
if (!IPS_VariableExists($varId)) return ['row' => '', 'value' => 0, 'tariffs' => []];
$filteredTariffs = array_filter($tariffs, fn($t) =>
strtolower(trim($t['unit_type'] ?? '')) === strtolower(trim($type))
);
foreach ($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;
$rows .= "
| {$meter['name']} |
{$type} |
" . date('d.m.Y', $currentStart) . " |
" . date('d.m.Y', $segmentEnd) . " |
" . number_format($startValue, 2) . " |
" . number_format($endValue, 2) . " |
" . number_format($verbrauch, 2) . " |
" . number_format($tariffPrice, 2) . " |
" . number_format($kosten, 2) . " |
";
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);
}
}
?>