605 lines
20 KiB
PHP
605 lines
20 KiB
PHP
<?php
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class PV_Forecast_plotmemory extends IPSModule
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{
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private const ARCHIVE_GUID = "{43192F0B-135B-4CE7-A0A7-1475603F3060}";
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private const WEBHOOK_GUID = "{015A6EB8-D6E5-4B93-B496-0D3FAD4D0E6E}";
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public function Create()
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{
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parent::Create();
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// Core
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$this->RegisterPropertyString("URL", "");
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$this->RegisterPropertyString("kunde", "");
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$this->RegisterPropertyInteger("ActualVariableID", 0);
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$this->RegisterPropertyBoolean("ActualIsWatt", true);
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// Forecast fetch scheduler
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$this->RegisterPropertyString("RefreshMode", "interval"); // interval | daily
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$this->RegisterPropertyInteger("RefreshMinutes", 5);
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$this->RegisterPropertyString("RefreshTime", "06:00"); // HH:MM
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// Daily snapshot
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$this->RegisterPropertyBoolean("EnableDailySnapshots", true);
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$this->RegisterPropertyString("SnapshotTime", "23:59"); // HH:MM
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$this->RegisterPropertyInteger("KeepDays", 30);
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// Important: Prevent tile from triggering URL fetch (strict daily behavior)
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$this->RegisterPropertyBoolean("AllowTileFetchIfEmpty", false);
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// Timer
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$this->RegisterTimer("UpdateForecastTimer", 0, 'IPS_RequestAction($_IPS["TARGET"], "UpdateForecast", 0);');
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$this->RegisterTimer("SnapshotTimer", 0, 'IPS_RequestAction($_IPS["TARGET"], "SnapshotTick", 0);');
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// WebHook endpoint
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$this->RegisterHook("/hook/solcastcompare_plotmemory");
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// Persisted run markers (survive restarts)
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$this->RegisterAttributeInteger("LastDailyRunForecast", 0);
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$this->RegisterAttributeInteger("LastDailySnapshotRun", 0);
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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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// Tile Visualization aktivieren
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$this->SetVisualizationType(1);
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// Forecast timer
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$mode = $this->ReadPropertyString("RefreshMode");
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if ($mode === "interval") {
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$mins = max(1, (int)$this->ReadPropertyInteger("RefreshMinutes"));
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$this->SetTimerInterval("UpdateForecastTimer", $mins * 60 * 1000);
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} else {
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// daily: check each minute
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$this->SetTimerInterval("UpdateForecastTimer", 60 * 1000);
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}
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// Snapshot timer
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if ($this->ReadPropertyBoolean("EnableDailySnapshots")) {
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$this->SetTimerInterval("SnapshotTimer", 60 * 1000); // every minute
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} else {
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$this->SetTimerInterval("SnapshotTimer", 0);
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}
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}
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public function RequestAction($Ident, $Value)
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{
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switch ($Ident) {
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case "UpdateForecast":
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$this->HandleForecastSchedule();
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return;
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case "SnapshotTick":
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$this->HandleSnapshotSchedule();
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return;
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default:
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throw new Exception("Unknown Ident: " . $Ident);
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}
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}
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// ----------------- Forecast scheduling -----------------
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private function HandleForecastSchedule(): void
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{
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$mode = $this->ReadPropertyString("RefreshMode");
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if ($mode === "interval") {
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$this->UpdateForecast();
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return;
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}
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// daily
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$timeStr = trim($this->ReadPropertyString("RefreshTime")); // HH:MM
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$targetSec = $this->ParseHHMMToSeconds($timeStr);
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if ($targetSec === null) {
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$this->SendDebug("Scheduler", "Ungueltige RefreshTime: " . $timeStr, 0);
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return;
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}
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$now = time();
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$nowSec = ((int)date("H", $now) * 3600) + ((int)date("i", $now) * 60);
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$lastRun = (int)$this->ReadAttributeInteger("LastDailyRunForecast");
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$today0 = strtotime("today");
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if ($nowSec >= $targetSec && $lastRun < $today0) {
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$this->SendDebug("Scheduler", "Taegliches Forecast-Update (" . $timeStr . ")", 0);
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$this->UpdateForecast();
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$this->WriteAttributeInteger("LastDailyRunForecast", $now);
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}
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}
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// ----------------- Snapshot scheduling -----------------
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private function HandleSnapshotSchedule(): void
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{
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if (!$this->ReadPropertyBoolean("EnableDailySnapshots")) {
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return;
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}
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$timeStr = trim($this->ReadPropertyString("SnapshotTime"));
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$targetSec = $this->ParseHHMMToSeconds($timeStr);
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if ($targetSec === null) {
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$this->SendDebug("Snapshot", "Ungueltige SnapshotTime: " . $timeStr, 0);
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return;
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}
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$now = time();
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$nowSec = ((int)date("H", $now) * 3600) + ((int)date("i", $now) * 60);
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// IMPORTANT: use Snapshot marker, not Forecast marker
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$lastRun = (int)$this->ReadAttributeInteger("LastDailySnapshotRun");
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$today0 = strtotime("today");
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if ($nowSec >= $targetSec && $lastRun < $today0) {
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$this->SendDebug("Snapshot", "Tages-Snapshot wird erstellt (" . $timeStr . ")", 0);
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// Safety: ensure we have a forecast cached (if not, fetch once)
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if ($this->GetBuffer("ForecastRaw") === "") {
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$this->UpdateForecast();
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}
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$this->CreateDailySnapshotForDate(new DateTime('today', new DateTimeZone(date_default_timezone_get())));
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$this->CleanupOldSnapshots();
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$this->WriteAttributeInteger("LastDailySnapshotRun", $now);
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}
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}
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private function ParseHHMMToSeconds(string $hhmm): ?int
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{
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if (!preg_match('/^(\d{1,2}):(\d{2})$/', $hhmm, $m)) {
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return null;
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}
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$h = (int)$m[1];
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$min = (int)$m[2];
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if ($h < 0 || $h > 23 || $min < 0 || $min > 59) {
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return null;
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}
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return $h * 3600 + $min * 60;
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}
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// ----------------- Forecast Fetch -----------------
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private function UpdateForecast(): void
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{
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$url = trim($this->ReadPropertyString("URL"));
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if ($url === "") {
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$this->SendDebug("UpdateForecast", "URL ist leer", 0);
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return;
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}
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$json = @Sys_GetURLContent($url);
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if ($json === false || $json === "") {
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$this->SendDebug("UpdateForecast", "Leere Antwort von URL", 0);
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return;
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}
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$data = json_decode($json, true);
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if (!is_array($data)) {
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$this->SendDebug("UpdateForecast", "JSON decode fehlgeschlagen", 0);
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return;
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}
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$this->SetBuffer("ForecastRaw", $json);
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$this->SetBuffer("ForecastTS", (string)time());
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$this->SendDebug("UpdateForecast", "Forecast aktualisiert", 0);
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}
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// ----------------- Tile Visualization -----------------
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public function GetVisualizationTile(): string
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{
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$html = file_get_contents(__DIR__ . "/module.html");
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$html = str_replace("{{INSTANCE_ID}}", (string)$this->InstanceID, $html);
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return $html;
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}
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// ----------------- WebHook: data + download -----------------
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protected function ProcessHookData()
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{
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$instance = isset($_GET["instance"]) ? (int)$_GET["instance"] : 0;
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$action = isset($_GET["action"]) ? (string)$_GET["action"] : "data";
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if ($instance !== $this->InstanceID) {
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http_response_code(404);
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echo "Wrong instance";
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return;
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}
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if ($action === "data") {
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$this->HandleHookData();
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return;
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}
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if ($action === "download") {
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$days = isset($_GET["days"]) ? max(1, min(365, (int)$_GET["days"])) : 7;
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$this->HandleHookDownloadZip($days);
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return;
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}
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http_response_code(400);
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echo "Unknown action";
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}
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private function HandleHookData(): void
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{
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$tzLocal = new DateTimeZone(date_default_timezone_get());
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$tzUtc = new DateTimeZone('UTC');
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// Lokaler Tag
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$startLocal = new DateTime('today', $tzLocal);
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$endLocal = new DateTime('tomorrow', $tzLocal);
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$startLocalTs = $startLocal->getTimestamp();
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$endLocalTs = $endLocal->getTimestamp();
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// Lokaler Tagesbereich als UTC-Grenzen (Solcast period_end ist UTC "Z")
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$startUtcTs = (clone $startLocal)->setTimezone($tzUtc)->getTimestamp();
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$endUtcTs = (clone $endLocal)->setTimezone($tzUtc)->getTimestamp();
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$nowTs = time();
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$forecast = $this->GetForecastSeriesFilteredUtc($startUtcTs, $endUtcTs);
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$actual = $this->GetActualSeriesFromArchive($startLocalTs, $endLocalTs, 1800, $nowTs, true);
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$out = [
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"meta" => [
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"forecast_cached_at" => (int)$this->GetBuffer("ForecastTS"),
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"bucket_seconds" => 1800,
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"actual_is_watt" => (bool)$this->ReadPropertyBoolean("ActualIsWatt"),
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"start_local" => $startLocalTs * 1000,
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"end_local" => $endLocalTs * 1000,
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"now" => $nowTs * 1000
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],
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"series" => [
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"forecast" => $forecast,
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"actual" => $actual
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]
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];
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header("Content-Type: application/json; charset=utf-8");
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echo json_encode($out);
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}
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// ----------------- Forecast series (Solcast) -----------------
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private function GetForecastSeriesFilteredUtc(int $startUtcTs, int $endUtcTs): array
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{
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$raw = $this->GetBuffer("ForecastRaw");
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if ($raw === "") return [];
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$data = json_decode($raw, true);
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if (!is_array($data)) return [];
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// forecast endpoint: forecasts; live endpoint: estimated_actuals
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if (isset($data["forecasts"]) && is_array($data["forecasts"])) {
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$rows = $data["forecasts"];
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} elseif (isset($data["estimated_actuals"]) && is_array($data["estimated_actuals"])) {
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$rows = $data["estimated_actuals"];
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} else {
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return [];
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}
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$series = [];
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foreach ($rows as $row) {
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if (!isset($row["period_end"], $row["pv_power_rooftop"])) continue;
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$ts = strtotime($row["period_end"]); // UTC wegen Z
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if ($ts === false) continue;
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if ($ts < $startUtcTs || $ts >= $endUtcTs) continue;
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// Solcast: kW
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$series[] = [$ts * 1000, (float)$row["pv_power_rooftop"]];
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}
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usort($series, fn($a, $b) => $a[0] <=> $b[0]);
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return $series;
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}
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// ----------------- Actual series (Archive) -----------------
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// $cutAfterNow=true -> future buckets = null (live view)
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// $cutAfterNow=false -> keep as much as possible (snapshot)
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private function GetActualSeriesFromArchive(int $startTs, int $endTs, int $bucketSeconds, int $nowTs, bool $cutAfterNow): array
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{
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$varId = (int)$this->ReadPropertyInteger("ActualVariableID");
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if ($varId <= 0 || !IPS_VariableExists($varId)) return [];
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$archiveId = $this->GetArchiveInstanceID();
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if ($archiveId === 0) return [];
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if (!AC_GetLoggingStatus($archiveId, $varId)) {
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$this->SendDebug("Actual", "Variable wird nicht geloggt im Archiv", 0);
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return [];
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}
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$logged = AC_GetLoggedValues($archiveId, $varId, $startTs, $endTs, 0);
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if (!is_array($logged) || count($logged) === 0) {
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return $this->BuildNullRaster($startTs, $endTs, $bucketSeconds);
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}
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// bucketEnd -> [sum, count]
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$buckets = [];
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foreach ($logged as $row) {
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if (!isset($row["TimeStamp"], $row["Value"])) continue;
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$ts = (int)$row["TimeStamp"];
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$bucketStart = intdiv($ts, $bucketSeconds) * $bucketSeconds;
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$bucketEnd = $bucketStart + $bucketSeconds;
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if ($bucketEnd < $startTs || $bucketEnd > $endTs) continue;
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if (!isset($buckets[$bucketEnd])) $buckets[$bucketEnd] = [0.0, 0];
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$buckets[$bucketEnd][0] += (float)$row["Value"];
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$buckets[$bucketEnd][1] += 1;
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}
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$series = [];
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$isWatt = (bool)$this->ReadPropertyBoolean("ActualIsWatt");
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for ($t = $startTs + $bucketSeconds; $t <= $endTs; $t += $bucketSeconds) {
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if ($cutAfterNow && $t > $nowTs + $bucketSeconds) {
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$series[] = [$t * 1000, null];
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continue;
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}
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if (!isset($buckets[$t]) || $buckets[$t][1] <= 0) {
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$series[] = [$t * 1000, null];
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continue;
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}
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$avg = $buckets[$t][0] / $buckets[$t][1];
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// W -> kW
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if ($isWatt) $avg = $avg / 1000.0;
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$series[] = [$t * 1000, $avg];
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}
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return $series;
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}
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private function BuildNullRaster(int $startTs, int $endTs, int $bucketSeconds): array
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{
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$series = [];
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for ($t = $startTs + $bucketSeconds; $t <= $endTs; $t += $bucketSeconds) {
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$series[] = [$t * 1000, null];
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}
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return $series;
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}
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private function GetArchiveInstanceID(): int
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{
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$list = IPS_GetInstanceListByModuleID(self::ARCHIVE_GUID);
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return (is_array($list) && count($list) > 0) ? (int)$list[0] : 0;
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}
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// ----------------- Daily snapshot creation -----------------
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private function GetStorageDir(): string
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{
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$dir = __DIR__ . "/storage";
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if (!is_dir($dir)) {
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@mkdir($dir, 0775, true);
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}
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return $dir;
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}
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private function CreateDailySnapshotForDate(DateTime $dayLocal): void
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{
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$tzLocal = new DateTimeZone(date_default_timezone_get());
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$tzUtc = new DateTimeZone('UTC');
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// dayLocal should be "today" in local TZ
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$dayLocal->setTimezone($tzLocal);
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$startLocal = (clone $dayLocal);
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$startLocal->setTime(0, 0, 0);
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$endLocal = (clone $startLocal);
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$endLocal->modify('+1 day');
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$startLocalTs = $startLocal->getTimestamp();
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$endLocalTs = $endLocal->getTimestamp();
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$startUtcTs = (clone $startLocal)->setTimezone($tzUtc)->getTimestamp();
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$endUtcTs = (clone $endLocal)->setTimezone($tzUtc)->getTimestamp();
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$nowTs = time(); // snapshot time (typically 23:59)
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$forecast = $this->GetForecastSeriesFilteredUtc($startUtcTs, $endUtcTs);
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$actual = $this->GetActualSeriesFromArchive($startLocalTs, $endLocalTs, 1800, $nowTs, false);
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$dateStr = $startLocal->format('Y-m-d');
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$payload = [
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"meta" => [
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"date" => $dateStr,
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"created_at" => time(),
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"forecast_cached_at" => (int)$this->GetBuffer("ForecastTS"),
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"bucket_seconds" => 1800,
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"actual_is_watt" => (bool)$this->ReadPropertyBoolean("ActualIsWatt"),
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"timezone" => $tzLocal->getName()
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],
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"series" => [
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"forecast" => $forecast,
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"actual" => $actual
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]
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];
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$dir = $this->GetStorageDir();
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// Save JSON
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$jsonPath = $dir . "/" . $dateStr . ".json";
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@file_put_contents($jsonPath, json_encode($payload, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
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// Save HTML plot
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$htmlPath = $dir . "/" . $dateStr . ".html";
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@file_put_contents($htmlPath, $this->BuildSnapshotHtml($payload));
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$this->SendDebug("Snapshot", "Gespeichert: " . basename($jsonPath) . " / " . basename($htmlPath), 0);
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}
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private function BuildSnapshotHtml(array $payload): string
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{
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$date = $payload["meta"]["date"] ?? "unbekannt";
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$forecastJson = json_encode($payload["series"]["forecast"] ?? []);
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$actualJson = json_encode($payload["series"]["actual"] ?? []);
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return '<!doctype html>
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<html lang="de">
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<head>
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<meta charset="utf-8">
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<title>PV Snapshot ' . htmlspecialchars($date) . '</title>
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<script src="https://code.highcharts.com/highcharts.js"></script>
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<style>
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body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;margin:0;padding:16px;background:#fff;}
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h2{margin:0 0 12px 0;}
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#chart{height:560px;width:100%;}
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.meta{color:#374151;font-size:13px;margin-bottom:10px;}
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</style>
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</head>
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<body>
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<h2>PV: Erwartung vs. Tatsächlich (' . htmlspecialchars($date) . ')</h2>
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<div class="meta">Gespeichert: ' . date('d.m.Y H:i:s', (int)($payload["meta"]["created_at"] ?? time())) . '</div>
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<div id="chart"></div>
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<script>
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const forecast = ' . $forecastJson . ';
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const actual = ' . $actualJson . ';
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Highcharts.chart("chart", {
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title: { text: null },
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xAxis: { type: "datetime" },
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yAxis: { title: { text: "Leistung (kW)" } },
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tooltip: { shared: true, xDateFormat: "%d.%m.%Y %H:%M" },
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legend: { enabled: true },
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plotOptions: { series: { turboThreshold: 0 } },
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series: [
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{ name: "Erwartet (Solcast)", data: forecast, lineWidth: 3 },
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{ name: "Tatsächlich (Archiv)", data: actual, lineWidth: 3 }
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],
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credits: { enabled: false }
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});
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</script>
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</body>
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</html>';
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}
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private function CleanupOldSnapshots(): void
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{
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$keep = max(1, (int)$this->ReadPropertyInteger("KeepDays"));
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$dir = $this->GetStorageDir();
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$cutoff = strtotime("today") - ($keep * 86400);
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foreach (glob($dir . "/*.json") as $file) {
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$base = basename($file, ".json"); // YYYY-MM-DD
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$ts = strtotime($base);
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if ($ts !== false && $ts < $cutoff) {
|
|
@unlink($file);
|
|
$html = $dir . "/" . $base . ".html";
|
|
if (is_file($html)) @unlink($html);
|
|
}
|
|
}
|
|
}
|
|
|
|
// ----------------- ZIP download -----------------
|
|
|
|
private function HandleHookDownloadZip(int $days): void
|
|
{
|
|
$dir = $this->GetStorageDir();
|
|
|
|
$dates = [];
|
|
for ($i = 0; $i < $days; $i++) {
|
|
$d = new DateTime('today', new DateTimeZone(date_default_timezone_get()));
|
|
$d->modify("-{$i} day");
|
|
$dates[] = $d->format("Y-m-d");
|
|
}
|
|
|
|
$zipPath = sys_get_temp_dir() . "/pv_forecast_" . $this->InstanceID . "_" . time() . ".zip";
|
|
$zip = new ZipArchive();
|
|
if ($zip->open($zipPath, ZipArchive::CREATE) !== true) {
|
|
http_response_code(500);
|
|
echo "Could not create zip";
|
|
return;
|
|
}
|
|
|
|
$added = 0;
|
|
foreach (array_reverse($dates) as $dateStr) {
|
|
$jsonFile = $dir . "/" . $dateStr . ".json";
|
|
$htmlFile = $dir . "/" . $dateStr . ".html";
|
|
|
|
if (is_file($htmlFile)) {
|
|
$zip->addFile($htmlFile, $dateStr . ".html");
|
|
$added++;
|
|
}
|
|
if (is_file($jsonFile)) {
|
|
$zip->addFile($jsonFile, $dateStr . ".json");
|
|
$added++;
|
|
}
|
|
}
|
|
|
|
$zip->close();
|
|
|
|
if ($added === 0) {
|
|
@unlink($zipPath);
|
|
http_response_code(404);
|
|
echo "No snapshots found";
|
|
return;
|
|
}
|
|
|
|
$kunde = trim($this->ReadPropertyString("kunde"));
|
|
if ($kunde === "") {
|
|
$kunde = "unbekannt";
|
|
}
|
|
|
|
// Sonderzeichen entfernen (für Dateinamen!)
|
|
$kundeSafe = preg_replace('/[^a-zA-Z0-9_-]/', '_', $kunde);
|
|
|
|
header("Content-Type: application/zip");
|
|
header(
|
|
'Content-Disposition: attachment; filename="pv_plots_' .
|
|
$kundeSafe . '_' .
|
|
$this->InstanceID . '_' .
|
|
$days . 'days.zip"'
|
|
);
|
|
header("Content-Length: " . filesize($zipPath));
|
|
|
|
readfile($zipPath);
|
|
@unlink($zipPath);
|
|
}
|
|
|
|
// ----------------- Hook registration -----------------
|
|
|
|
private function RegisterHook(string $Hook)
|
|
{
|
|
$ids = IPS_GetInstanceListByModuleID(self::WEBHOOK_GUID);
|
|
if (count($ids) === 0) return;
|
|
|
|
$hookID = (int)$ids[0];
|
|
$hooks = json_decode(IPS_GetProperty($hookID, "Hooks"), true);
|
|
if (!is_array($hooks)) $hooks = [];
|
|
|
|
foreach ($hooks as $h) {
|
|
if (isset($h["Hook"]) && $h["Hook"] === ltrim($Hook, "/")) {
|
|
return;
|
|
}
|
|
if (isset($h["Hook"]) && $h["Hook"] === $Hook) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
$hooks[] = ["Hook" => $Hook, "TargetID" => $this->InstanceID];
|
|
IPS_SetProperty($hookID, "Hooks", json_encode($hooks));
|
|
IPS_ApplyChanges($hookID);
|
|
}
|
|
}
|