45 lines
1.5 KiB
Kotlin
45 lines
1.5 KiB
Kotlin
package com.keylesspalace.tusky.util
|
|
|
|
import android.content.Context
|
|
import com.keylesspalace.tusky.R
|
|
import org.json.JSONException
|
|
import org.json.JSONObject
|
|
import retrofit2.HttpException
|
|
import java.io.IOException
|
|
|
|
/**
|
|
* checks if this throwable indicates an error causes by a 4xx/5xx server response and
|
|
* tries to retrieve the error message the server sent
|
|
* @return the error message, or null if this is no server error or it had no error message
|
|
*/
|
|
fun Throwable.getServerErrorMessage(): String? {
|
|
if (this is HttpException) {
|
|
val errorResponse = response()?.errorBody()?.string()
|
|
return if (!errorResponse.isNullOrBlank()) {
|
|
try {
|
|
JSONObject(errorResponse).getString("error")
|
|
} catch (e: JSONException) {
|
|
null
|
|
}
|
|
} else {
|
|
null
|
|
}
|
|
}
|
|
return null
|
|
}
|
|
|
|
/** @return A drawable resource to accompany the error message for this throwable */
|
|
fun Throwable.getDrawableRes(): Int = when (this) {
|
|
is IOException -> R.drawable.errorphant_offline
|
|
is HttpException -> R.drawable.errorphant_offline
|
|
else -> R.drawable.errorphant_error
|
|
}
|
|
|
|
/** @return A string error message for this throwable */
|
|
fun Throwable.getErrorString(context: Context): String = getServerErrorMessage() ?: when (this) {
|
|
is IOException -> context.getString(R.string.error_network)
|
|
else -> context.getString(R.string.error_generic)
|
|
}
|
|
|
|
fun Throwable.isHttpNotFound(): Boolean = (this as? HttpException)?.code() == 404
|