Refactor remote config code

Author: mbarta

turbo/src/main/kotlin/dev/hotwire/turbo/config/TurboPathConfigurationLoader.kt

@@ -29,11 +29,9 @@ internal class TurboPathConfigurationLoader(val context: Context) : CoroutineSco
         loadCachedConfigurationForUrl(url, onCompletion)
 
         launch {
-            repository.getRemoteConfiguration(url)?.let { remoteConfigJson ->
-                repository.parseFromJson(remoteConfigJson)?.let { config ->
-                    onCompletion(config)
-                    cacheConfigurationForUrl(url, config)
-                }
+            repository.getRemoteConfiguration(url)?.let { config ->
+                onCompletion(config)
+                cacheConfigurationForUrl(url, config)
             }
         }
     }

turbo/src/main/kotlin/dev/hotwire/turbo/config/TurboPathConfigurationRepository.kt

@@ -16,11 +16,11 @@ import okhttp3.Request
 internal class TurboPathConfigurationRepository {
     private val cacheFile = "turbo"
 
-    suspend fun getRemoteConfiguration(url: String): String? {
+    suspend fun getRemoteConfiguration(url: String): TurboPathConfiguration? {
         val request = Request.Builder().url(url).build()
 
         return withContext(dispatcherProvider.io) {
-            issueRequest(request)
+            issueRequest(request)?.let { parseFromJson(it) }
         }
     }
 

turbo/src/test/kotlin/dev/hotwire/turbo/config/TurboPathConfigurationRepositoryTest.kt

@@ -35,10 +35,8 @@ class TurboPathConfigurationRepositoryTest : BaseRepositoryTest() {
 
         runBlocking {
             launch(Dispatchers.Main) {
-                val json = repository.getRemoteConfiguration(baseUrl())
-                assertThat(json).isNotNull()
-
-                val config = repository.parseFromJson(json!!)
+                val config = repository.getRemoteConfiguration(baseUrl())
+                assertThat(config).isNotNull()
                 assertThat(config?.rules?.size).isEqualTo(2)
             }
         }
@@ -50,10 +48,7 @@ class TurboPathConfigurationRepositoryTest : BaseRepositoryTest() {
 
         runBlocking {
             launch(Dispatchers.Main) {
-                val json = repository.getRemoteConfiguration(baseUrl())
-                assertThat(json).isNotNull()
-
-                val config = repository.parseFromJson(json!!)
+                val config = repository.getRemoteConfiguration(baseUrl())
                 assertThat(config).isNull()
             }
         }