Simplify error handling

app/src/main/java/gq/kirmanak/mealient/extensions/CoroutineExtensions.kt

@@ -0,0 +1,15 @@
+package gq.kirmanak.mealient.extensions
+
+import kotlinx.coroutines.CancellationException
+
+/**
+ * Like [runCatching] but rethrows [CancellationException] to support
+ * cancellation of coroutines.
+ */
+inline fun <T> runCatchingExceptCancel(block: () -> T): Result<T> = try {
+    Result.success(block())
+} catch (e: CancellationException) {
+    throw e
+} catch (e: Throwable) {
+    Result.failure(e)
+}

app/src/main/java/gq/kirmanak/mealient/extensions/NetworkExtensions.kt

@@ -1,8 +1,11 @@
 package gq.kirmanak.mealient.extensions
 
+import gq.kirmanak.mealient.data.network.NetworkError
 import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.SerializationException
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.decodeFromStream
+import retrofit2.HttpException
 import retrofit2.Response
 import timber.log.Timber
 import java.io.InputStream
@@ -16,3 +19,7 @@ inline fun <reified T> Json.decodeFromStreamOrNull(stream: InputStream): T? =
         .onFailure { Timber.e(it, "decodeFromStreamOrNull: can't decode") }
         .getOrNull()
 
+fun Throwable.mapToNetworkError(): NetworkError = when (this) {
+    is HttpException, is SerializationException -> NetworkError.NotMealie(this)
+    else -> NetworkError.NoServerConnection(this)
+}