Fix open-meteo response decompression fails if downloading through iOS companion app (#114)

* Remove open-meteo gzip handling

* Fix copypaste error message

* Update release notes

* Update app/src/main/kotlin/de/timklge/karooheadwind/weatherprovider/openmeteo/OpenMeteoWeatherProvider.kt

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

app/build.gradle.kts

@@ -93,10 +93,10 @@ tasks.register("generateManifest") {
             "latestVersionCode" to android.defaultConfig.versionCode,
             "developer" to "github.com/timklge",
             "description" to "Open-source extension that provides headwind direction, wind speed, forecast and other weather data fields.",
-            "releaseNotes" to "* Add relative grade, relative elevation gain data fields\n" +
+            "releaseNotes" to "* Fix weather data download from Open-Meteo via iOS companion app (thx @keefar!)\n" +
+                    "* Add relative grade, relative elevation gain data fields\n" +
                     "* Fix precipitation forecast field\n" +
                     "* Interpolate between forecasted and current weather data\n" +
-                    "* Colorize field background instead of text\n" +
                     "* Add OpenWeatherMap support contributed by lockevod\n",
             "screenshotUrls" to listOf(
                 "https://github.com/timklge/karoo-headwind/releases/latest/download/preview1.png",

app/src/main/kotlin/de/timklge/karooheadwind/util/Gzip.kt

@@ -1,19 +0,0 @@
-package de.timklge.karooheadwind.util
-
-import io.hammerhead.karooext.models.HttpResponseState
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-import java.util.zip.GZIPInputStream
-
-suspend fun ungzip(response: HttpResponseState.Complete): String {
-    val inputStream = java.io.ByteArrayInputStream(response.body ?: ByteArray(0))
-    val lowercaseHeaders = response.headers.map { (k: String, v: String) -> k.lowercase() to v.lowercase() }.toMap()
-    val isGzippedResponse = lowercaseHeaders["content-encoding"]?.contains("gzip") == true
-
-    return if(isGzippedResponse){
-        val gzipStream = withContext(Dispatchers.IO) { GZIPInputStream(inputStream) }
-        gzipStream.use { stream -> String(stream.readBytes()) }
-    } else {
-        inputStream.use { stream -> String(stream.readBytes()) }
-    }
-}

app/src/main/kotlin/de/timklge/karooheadwind/weatherprovider/openmeteo/OpenMeteoWeatherProvider.kt

@@ -8,7 +8,6 @@ import de.timklge.karooheadwind.TemperatureUnit
 import de.timklge.karooheadwind.WeatherDataProvider
 import de.timklge.karooheadwind.datatypes.GpsCoordinates
 import de.timklge.karooheadwind.jsonWithUnknownKeys
-import de.timklge.karooheadwind.util.ungzip
 import de.timklge.karooheadwind.weatherprovider.WeatherDataResponse
 import de.timklge.karooheadwind.weatherprovider.WeatherProvider
 import de.timklge.karooheadwind.weatherprovider.WeatherProviderException
@@ -28,7 +27,7 @@ import kotlin.time.Duration.Companion.seconds
 
 class OpenMeteoWeatherProvider : WeatherProvider {
     @OptIn(FlowPreview::class)
-    private suspend fun makeOpenMeteoWeatherRequest(karooSystemService: KarooSystemService, gpsCoordinates: List<GpsCoordinates>, settings: HeadwindSettings, profile: UserProfile?): String {
+    private suspend fun makeOpenMeteoWeatherRequest(karooSystemService: KarooSystemService, gpsCoordinates: List<GpsCoordinates>, settings: HeadwindSettings, profile: UserProfile?): HttpResponseState.Complete {
         val precipitationUnit = if (profile?.preferredUnit?.distance != UserProfile.PreferredUnit.UnitType.IMPERIAL) PrecipitationUnit.MILLIMETERS else PrecipitationUnit.INCH
         val temperatureUnit = if (profile?.preferredUnit?.temperature != UserProfile.PreferredUnit.UnitType.IMPERIAL) TemperatureUnit.CELSIUS else TemperatureUnit.FAHRENHEIT
 
@@ -45,7 +44,7 @@ class OpenMeteoWeatherProvider : WeatherProvider {
                     "GET",
                     url,
                     waitForConnection = false,
-                    headers = mapOf("User-Agent" to KarooHeadwindExtension.TAG, "Accept-Encoding" to "gzip"),
+                    headers = mapOf("User-Agent" to KarooHeadwindExtension.TAG),
                 ),
                 onEvent = { event: OnHttpResponse ->
                     if (event.state is HttpResponseState.Complete){
@@ -74,7 +73,7 @@ class OpenMeteoWeatherProvider : WeatherProvider {
             throw WeatherProviderException(response.statusCode, "OpenMeteo API request failed with status code ${response.statusCode}")
         }
 
-        return ungzip(response)
+        return response
     }
 
     override suspend fun getWeatherData(
@@ -84,11 +83,12 @@ class OpenMeteoWeatherProvider : WeatherProvider {
         profile: UserProfile?
     ): WeatherDataResponse {
         val openMeteoResponse = makeOpenMeteoWeatherRequest(karooSystem, coordinates, settings, profile)
+        val responseBody = openMeteoResponse.body?.let { String(it) } ?: throw WeatherProviderException(500, "Null response from OpenMeteo")
 
         val weatherData = if (coordinates.size == 1) {
-            listOf(jsonWithUnknownKeys.decodeFromString<OpenMeteoWeatherDataForLocation>(openMeteoResponse))
+            listOf(jsonWithUnknownKeys.decodeFromString<OpenMeteoWeatherDataForLocation>(responseBody))
         } else {
-            jsonWithUnknownKeys.decodeFromString<List<OpenMeteoWeatherDataForLocation>>(openMeteoResponse)
+            jsonWithUnknownKeys.decodeFromString<List<OpenMeteoWeatherDataForLocation>>(responseBody)
         }
 
         val response = WeatherDataResponse(