init commit

both.php

@@ -0,0 +1,165 @@
+<?php
+
+$dbPath = 'sqlite:./weatherdata.sqlite3';
+
+$WUNDERGROUND_TO_ECOWITT = array(
+    'tempf' => 'tempf',
+    'humidity' => 'humidity',
+    'indoortempf' => 'tempinf',
+    'indoorhumidity' => 'humidityin',
+    'UV' => 'uv',
+    'winddir' => 'winddir',
+    'windspeedmph' => 'windspeedmph',
+    'windgustmph' => 'windgustmph',
+    'dailyrainin' => 'dailyrainin',
+    'weeklyrainin' => 'weeklyrainin',
+    'monthlyrainin' => 'monthlyrainin',
+    'yearlyrainin' => 'yearlyrainin',
+    'dateutc' => 'dateutc',
+    'solarradiation' => 'solarradiation',
+    'softwaretype' => 'model',
+);
+//POST (ecowitt):
+// [PASSKEY] => 123*****************************
+// [stationtype] => GW2000A_V3.2.4
+// [runtime] => 296
+// [heap] => 110140
+// [dateutc] => 2025-05-08 16:00:56
+// [tempinf] => 69.26
+// [humidityin] => 61
+// [baromrelin] => 28.804
+// [baromabsin] => 28.804
+// [tempf] => 69.44
+// [humidity] => 60
+// [vpd] => 0.290
+// [winddir] => 69
+// [windspeedmph] => 0.00
+// [windgustmph] => 3.36
+// [maxdailygust] => 11.41
+// [solarradiation] => 0.15
+// [uv] => 0
+// [rainratein] => 0.000
+// [eventrainin] => 0.000
+// [hourlyrainin] => 0.000
+// [dailyrainin] => 0.000
+// [weeklyrainin] => 0.000
+// [monthlyrainin] => 0.000
+// [yearlyrainin] => 0.000
+// [totalrainin] => 0.000
+// [wh65batt] => 0
+// [freq] => 868M
+// [model] => GW2000A
+// [interval] => 8
+
+//GET (wunderground):
+// [ID] => 1
+// [PASSWORD] => 1
+// [tempf] => 69.44
+// [humidity] => 60
+// [dewptf] => 55.04
+// [windchillf] => 69.44
+// [winddir] => 69
+// [windspeedmph] => 0.00
+// [windgustmph] => 0.00
+// [rainin] => 0.000
+// [dailyrainin] => 0.000
+// [weeklyrainin] => 0.000
+// [monthlyrainin] => 0.000
+// [yearlyrainin] => 0.000
+// [solarradiation] => 0.15
+// [UV] => 0
+// [indoortempf] => 69.26
+// [indoorhumidity] => 61
+// [baromin] => 28.804
+// [lowbatt] => 0
+// [dateutc] => now
+// [softwaretype] => GW2000A_V3.2.4
+// [action] => updateraw
+// [realtime] => 1
+// [rtfreq] => 5
+
+$NORMALIZATION = array(
+    'dateutc' => fn ($dt) => new DateTimeImmutable($dt),
+    'tempf' => fn ($temp) => normalizeTemperature($temp),
+    'indoortempf' => fn ($temp) => normalizeTemperature($temp),
+    'windspeedmph' => fn ($mph) => normalizeSpeed($mph),
+    'windgustmph' => fn ($mph) => normalizeSpeed($mph),
+);
+
+function ecowittKey($key)
+{
+    global $WUNDERGROUND_TO_ECOWITT;
+
+    return empty($WUNDERGROUND_TO_ECOWITT[$key]) ? $key : $WUNDERGROUND_TO_ECOWITT[$key];
+}
+
+function normalizeSpeed($mph)
+{
+    // string to float
+    $mph = (float) $mph;
+    return mphToKmh($mph);
+}
+
+function normalizeTemperature($fahrenheit)
+{
+    // string to float
+    $fahrenheit = (float) $fahrenheit;
+    // missing readings are represented as -9999
+    return $fahrenheit == -9999
+        ? null
+        : fToC($fahrenheit);
+}
+
+function fToC($fahrenheit)
+{
+    return ($fahrenheit - 32) * 5 / 9;
+}
+
+function mphToKmh($mph)
+{
+    // TODO: check
+    return $mph * 1.609344;
+}
+
+function extractParameter($key)
+{
+    global $NORMALIZATION;
+
+    $value = empty($_GET[$key]) ? $_POST[ecowittKey($key)] : $_GET[$key];
+
+    return isset($NORMALIZATION[$key])
+        ? ($NORMALIZATION[$key])($value)
+        : $value;
+}
+
+function dbConn($path)
+{
+
+    try {
+        return new \PDO($path);
+    } catch (\PDOException $e) {
+        die($e->getMessage());
+    }
+}
+
+function createTable($conn)
+{
+    // TODO:
+    $conn->exec("CREATE TABLE IF NOT EXISTS weatherdata (
+        id INTEGER PRIMARY KEY,
+        reading_date TIMESTAMP,
+        temperature INTEGER,
+        humidity INTEGER,
+        barometer_rel INTEGER,
+        barometer_abs INTEGER
+        )");
+}
+
+$conn = dbConn($dbPath);
+createTable($conn);
+
+$res = extractParameter('dateutc');
+var_dump($res);
+
+$res = extractParameter('tempf');
+var_dump($res);