Files
Symcon_Belevo_Energiemanage…/PV_Forecast/module.php
2026-01-20 10:44:32 +01:00

349 lines
11 KiB
PHP

<?php
class PV_Forecast extends IPSModule
{
private const ARCHIVE_GUID = "{43192F0B-135B-4CE7-A0A7-1475603F3060}";
public function Create()
{
parent::Create();
$this->RegisterPropertyString("URL", "");
$this->RegisterPropertyInteger("ActualVariableID", 0);
// Scheduler
$this->RegisterPropertyString("RefreshMode", "interval"); // interval | daily
$this->RegisterPropertyInteger("RefreshMinutes", 5);
$this->RegisterPropertyString("RefreshTime", "06:00"); // HH:MM
$this->RegisterPropertyBoolean("ActualIsWatt", true);
// Timer -> ruft RequestAction(UpdateForecast) auf
$this->RegisterTimer("UpdateForecastTimer", 0, 'IPS_RequestAction($_IPS["TARGET"], "UpdateForecast", 0);');
// WebHook Endpoint
$this->RegisterHook("/hook/solcastcompare");
}
public function ApplyChanges()
{
parent::ApplyChanges();
// Tile Visualization aktivieren
$this->SetVisualizationType(1);
$mode = $this->ReadPropertyString("RefreshMode");
if ($mode === "interval") {
$mins = max(1, (int)$this->ReadPropertyInteger("RefreshMinutes"));
$this->SetTimerInterval("UpdateForecastTimer", $mins * 60 * 1000);
} else {
// daily: jede Minute prüfen
$this->SetTimerInterval("UpdateForecastTimer", 60 * 1000);
}
// optional: auto-register hook (wenn GUID passt)
$this->RegisterHook("/hook/solcastcompare");
}
public function RequestAction($Ident, $Value)
{
if ($Ident === "UpdateForecast") {
$this->HandleScheduledUpdate();
return;
}
throw new Exception("Unknown Ident: " . $Ident);
}
// ----------------- Scheduler -----------------
private function HandleScheduledUpdate(): void
{
$mode = $this->ReadPropertyString("RefreshMode");
if ($mode === "interval") {
$this->UpdateForecast();
return;
}
// daily
$timeStr = trim($this->ReadPropertyString("RefreshTime")); // "06:00"
$targetSec = $this->ParseHHMMToSeconds($timeStr);
if ($targetSec === null) {
$this->SendDebug("Scheduler", "Ungueltige RefreshTime: " . $timeStr, 0);
return;
}
$now = time();
$nowSec = ((int)date("H", $now) * 3600) + ((int)date("i", $now) * 60);
// Schon heute gelaufen?
$lastRun = (int)$this->GetBuffer("LastDailyRun");
$today0 = strtotime("today");
if ($nowSec >= $targetSec && $lastRun < $today0) {
$this->SendDebug("Scheduler", "Taegliches Update ausgeloest (" . $timeStr . ")", 0);
$this->UpdateForecast();
$this->SetBuffer("LastDailyRun", (string)$now);
}
}
private function ParseHHMMToSeconds(string $hhmm): ?int
{
// akzeptiert "6:00" oder "06:00"
if (!preg_match('/^(\d{1,2}):(\d{2})$/', $hhmm, $m)) {
return null;
}
$h = (int)$m[1];
$min = (int)$m[2];
if ($h < 0 || $h > 23 || $min < 0 || $min > 59) {
return null;
}
return $h * 3600 + $min * 60;
}
// ----------------- Forecast Fetch -----------------
private function UpdateForecast(): void
{
$url = trim($this->ReadPropertyString("URL"));
if ($url === "") {
$this->SendDebug("UpdateForecast", "URL ist leer", 0);
return;
}
$json = @Sys_GetURLContent($url);
if ($json === false || $json === "") {
$this->SendDebug("UpdateForecast", "Leere Antwort von URL", 0);
return;
}
$data = json_decode($json, true);
if (!is_array($data)) {
$this->SendDebug("UpdateForecast", "JSON decode fehlgeschlagen", 0);
return;
}
$this->SetBuffer("ForecastRaw", $json);
$this->SetBuffer("ForecastTS", (string)time());
$this->SendDebug("UpdateForecast", "Forecast aktualisiert", 0);
}
// ----------------- Tile Visualization -----------------
public function GetVisualizationTile(): string
{
if ($this->GetBuffer("ForecastRaw") === "") {
$this->UpdateForecast();
}
$html = file_get_contents(__DIR__ . "/module.html");
$html = str_replace("{{INSTANCE_ID}}", (string)$this->InstanceID, $html);
return $html;
}
// ----------------- WebHook: data for chart -----------------
protected function ProcessHookData()
{
$instance = isset($_GET["instance"]) ? (int)$_GET["instance"] : 0;
$action = isset($_GET["action"]) ? (string)$_GET["action"] : "";
if ($instance !== $this->InstanceID) {
http_response_code(404);
echo "Wrong instance";
return;
}
if ($action !== "data") {
http_response_code(400);
echo "Unknown action";
return;
}
$tzLocal = new DateTimeZone(date_default_timezone_get());
$tzUtc = new DateTimeZone('UTC');
// Lokaler Tag (für Archiv / Anzeige)
$startLocal = new DateTime('today', $tzLocal);
$endLocal = new DateTime('tomorrow', $tzLocal);
$startLocalTs = $startLocal->getTimestamp();
$endLocalTs = $endLocal->getTimestamp();
// Lokaler Tagesbereich als UTC-Grenzen (für Solcast "Z")
$startUtcTs = (clone $startLocal)->setTimezone($tzUtc)->getTimestamp();
$endUtcTs = (clone $endLocal)->setTimezone($tzUtc)->getTimestamp();
$nowTs = time();
// Forecast: komplett für HEUTE (lokaler Tag), korrekt über UTC gefiltert
$forecast = $this->GetForecastSeriesFilteredUtc($startUtcTs, $endUtcTs);
// Actual: komplett HEUTE lokal, aber nach "jetzt" abbrechen (null)
$actual = $this->GetActualSeriesFromArchive($startLocalTs, $endLocalTs, 1800, $nowTs);
$out = [
"meta" => [
"forecast_cached_at" => (int)$this->GetBuffer("ForecastTS"),
"bucket_seconds" => 1800,
"actual_is_watt" => (bool)$this->ReadPropertyBoolean("ActualIsWatt"),
"start_local" => $startLocalTs * 1000,
"end_local" => $endLocalTs * 1000,
"start_utc" => $startUtcTs * 1000,
"end_utc" => $endUtcTs * 1000,
"now" => $nowTs * 1000
],
"series" => [
"forecast" => $forecast,
"actual" => $actual
]
];
header("Content-Type: application/json; charset=utf-8");
echo json_encode($out);
}
// ----------------- Series: Forecast (Solcast) -----------------
private function GetForecastSeriesFilteredUtc(int $startUtcTs, int $endUtcTs): array
{
$raw = $this->GetBuffer("ForecastRaw");
if ($raw === "") return [];
$data = json_decode($raw, true);
if (!is_array($data)) return [];
// forecast endpoint: "forecasts"
if (isset($data["forecasts"]) && is_array($data["forecasts"])) {
$rows = $data["forecasts"];
} elseif (isset($data["estimated_actuals"]) && is_array($data["estimated_actuals"])) {
// fallback live endpoint
$rows = $data["estimated_actuals"];
} else {
return [];
}
$series = [];
foreach ($rows as $row) {
if (!isset($row["period_end"], $row["pv_power_rooftop"])) continue;
$ts = strtotime($row["period_end"]); // UTC wegen Z
if ($ts === false) continue;
if ($ts < $startUtcTs || $ts >= $endUtcTs) continue;
$series[] = [$ts * 1000, (float)$row["pv_power_rooftop"]];
}
usort($series, fn($a, $b) => $a[0] <=> $b[0]);
return $series;
}
// ----------------- Series: Actual (Archive) -----------------
private function GetActualSeriesFromArchive(int $startTs, int $endTs, int $bucketSeconds, int $nowTs): array
{
$varId = (int)$this->ReadPropertyInteger("ActualVariableID");
if ($varId <= 0 || !IPS_VariableExists($varId)) {
return [];
}
$archiveId = $this->GetArchiveInstanceID();
if ($archiveId === 0) {
return [];
}
if (!AC_GetLoggingStatus($archiveId, $varId)) {
$this->SendDebug("Actual", "Variable wird nicht geloggt im Archiv", 0);
return [];
}
$logged = AC_GetLoggedValues($archiveId, $varId, $startTs, $endTs, 0);
if (!is_array($logged) || count($logged) === 0) {
// trotzdem Raster mit null zurückgeben, damit Linie sauber endet
return $this->BuildNullRaster($startTs, $endTs, $bucketSeconds);
}
// bucketEnd -> [sum, count]
$buckets = [];
foreach ($logged as $row) {
if (!isset($row["TimeStamp"], $row["Value"])) continue;
$ts = (int)$row["TimeStamp"];
$bucketStart = intdiv($ts, $bucketSeconds) * $bucketSeconds;
$bucketEnd = $bucketStart + $bucketSeconds;
if ($bucketEnd < $startTs || $bucketEnd > $endTs) continue;
if (!isset($buckets[$bucketEnd])) $buckets[$bucketEnd] = [0.0, 0];
$buckets[$bucketEnd][0] += (float)$row["Value"];
$buckets[$bucketEnd][1] += 1;
}
$series = [];
$isWatt = (bool)$this->ReadPropertyBoolean("ActualIsWatt");
// Sauberes Raster über den Tag, nach "jetzt" -> null
for ($t = $startTs + $bucketSeconds; $t <= $endTs; $t += $bucketSeconds) {
// Zukunft: null, damit Istlinie nicht parallel bis 24:00 weiterläuft
if ($t > $nowTs + $bucketSeconds) {
$series[] = [$t * 1000, null];
continue;
}
if (!isset($buckets[$t]) || $buckets[$t][1] <= 0) {
$series[] = [$t * 1000, null];
continue;
}
$avg = $buckets[$t][0] / $buckets[$t][1];
// W -> kW
if ($isWatt) {
$avg = $avg / 1000.0;
}
$series[] = [$t * 1000, $avg];
}
return $series;
}
private function BuildNullRaster(int $startTs, int $endTs, int $bucketSeconds): array
{
$series = [];
for ($t = $startTs + $bucketSeconds; $t <= $endTs; $t += $bucketSeconds) {
$series[] = [$t * 1000, null];
}
return $series;
}
private function GetArchiveInstanceID(): int
{
$list = IPS_GetInstanceListByModuleID(self::ARCHIVE_GUID);
return (is_array($list) && count($list) > 0) ? (int)$list[0] : 0;
}
// ----------------- optional: auto register hook -----------------
private function RegisterHook(string $Hook)
{
$ids = IPS_GetInstanceListByModuleID("{015A6EB8-D6E5-4B93-B496-0D3FAD4D0E6E}");
if (count($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"] === $Hook) return;
}
$hooks[] = ["Hook" => $Hook, "TargetID" => $this->InstanceID];
IPS_SetProperty($hookID, "Hooks", json_encode($hooks));
IPS_ApplyChanges($hookID);
}
}