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fix: handle empty date fields from subsonic json

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eddyizm 2025-10-13 21:09:27 -07:00
parent 2854ac6354
commit f091b3d248
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4 changed files with 62 additions and 5 deletions
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2
README.md
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@ -39,7 +39,7 @@ Please note the two variants in the release assets include release/debug and 32/
As mentioned above, I am working towards a rebrand to get into app stores with a new name an icon.
Moved details to [CHANGELOG.md](https://github.com/eddyizm/tempo/blob/main/CHANGELOG.md)
Moved details to [CHANGELOG.md](CHANGELOG.md)
Fork [**sponsorship here**](https://ko-fi.com/eddyizm).

13
app/src/main/java/com/cappielloantonio/tempo/repository/AlbumRepository.java
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@ -2,6 +2,7 @@ package com.cappielloantonio.tempo.repository;
import androidx.annotation.NonNull;
import androidx.lifecycle.MutableLiveData;
import android.util.Log;
import com.cappielloantonio.tempo.App;
import com.cappielloantonio.tempo.interfaces.DecadesCallback;
@ -31,14 +32,22 @@ public class AlbumRepository {
.enqueue(new Callback<ApiResponse>() {
@Override
public void onResponse(@NonNull Call<ApiResponse> call, @NonNull Response<ApiResponse> response) {
if (response.isSuccessful() && response.body() != null && response.body().getSubsonicResponse().getAlbumList2() != null && response.body().getSubsonicResponse().getAlbumList2().getAlbums() != null) {
if (response.isSuccessful()
&& response.body() != null
&& response.body().getSubsonicResponse().getAlbumList2() != null
&& response.body().getSubsonicResponse().getAlbumList2().getAlbums() != null) {
listLiveAlbums.setValue(response.body().getSubsonicResponse().getAlbumList2().getAlbums());
} else {
Log.e("AlbumRepository", "API Error on getAlbums. HTTP Code: " + response.code());
listLiveAlbums.setValue(new ArrayList<>());
}
}
@Override
public void onFailure(@NonNull Call<ApiResponse> call, @NonNull Throwable t) {
Log.e("AlbumRepository", "Network Failure on getAlbums: " + t.getMessage());
listLiveAlbums.setValue(new ArrayList<>());
}
});

10
app/src/main/java/com/cappielloantonio/tempo/subsonic/RetrofitClient.kt
View file

@ -2,22 +2,28 @@ package com.cappielloantonio.tempo.subsonic
import com.cappielloantonio.tempo.App
import com.cappielloantonio.tempo.subsonic.utils.CacheUtil
import com.cappielloantonio.tempo.subsonic.utils.EmptyDateTypeAdapter
import com.google.gson.GsonBuilder
import okhttp3.Cache
import okhttp3.OkHttpClient
import okhttp3.logging.HttpLoggingInterceptor
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory
import java.util.Date
import java.util.concurrent.TimeUnit
class RetrofitClient(subsonic: Subsonic) {
var retrofit: Retrofit
init {
val gson = GsonBuilder()
.registerTypeAdapter(Date::class.java, EmptyDateTypeAdapter())
.setLenient()
.create()
retrofit = Retrofit.Builder()
.baseUrl(subsonic.url)
.addConverterFactory(GsonConverterFactory.create(GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ss").create()))
.addConverterFactory(GsonConverterFactory.create(GsonBuilder().setLenient().create()))
.addConverterFactory(GsonConverterFactory.create(gson))
.client(getOkHttpClient())
.build()
}

42
app/src/main/java/com/cappielloantonio/tempo/subsonic/utils/EmptyDateTypeAdapter.kt Normal file
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@ -0,0 +1,42 @@
package com.cappielloantonio.tempo.subsonic.utils
import com.google.gson.JsonDeserializationContext
import com.google.gson.JsonDeserializer
import com.google.gson.JsonElement
import com.google.gson.JsonParseException
import java.lang.reflect.Type
import java.text.ParseException
import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale
import java.util.TimeZone
// This adapter handles Date objects, returning null if the JSON string is empty or unparsable.
class EmptyDateTypeAdapter : JsonDeserializer<Date> {
// Define the date formats expected from the Subsonic server.
private val dateFormats: List<SimpleDateFormat> = listOf(
SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US).apply { timeZone = TimeZone.getTimeZone("UTC") },
SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US).apply { timeZone = TimeZone.getTimeZone("UTC") },
SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.US).apply { timeZone = TimeZone.getTimeZone("UTC") }
)
@Throws(JsonParseException::class)
override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Date? {
val jsonString = json.asString.trim()
if (jsonString.isEmpty()) {
return null
}
for (format in dateFormats) {
try {
return format.parse(jsonString)
} catch (e: ParseException) {
// Ignore and try the next format
}
}
return null
}
}