Added user agent header to HTTP requests

app/src/main/java/io/github/drumber/kitsune/di/NetworkModule.kt

@@ -43,6 +43,7 @@ import io.github.drumber.kitsune.util.deserializer.AlgoliaNumericValueDeserializ
 import io.github.drumber.kitsune.util.network.AuthenticationInterceptor
 import io.github.drumber.kitsune.util.network.AuthenticationInterceptorDummy
 import io.github.drumber.kitsune.util.network.AuthenticationInterceptorImpl
+import io.github.drumber.kitsune.util.network.UserAgentInterceptor
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.logging.HttpLoggingInterceptor
@@ -137,7 +138,8 @@ val networkModule = module {
 }
 
 private fun createHttpClientBuilder() = OkHttpClient.Builder()
-    .apply { if (BuildConfig.DEBUG) addInterceptor(createHttpLoggingInterceptor()) }
+    .addNetworkInterceptor(createUserAgentInterceptor())
+    .apply { if (BuildConfig.DEBUG) addNetworkInterceptor(createHttpLoggingInterceptor()) }
     .connectTimeout(30, TimeUnit.SECONDS)
     .readTimeout(60, TimeUnit.SECONDS)
     .writeTimeout(60, TimeUnit.SECONDS)
@@ -152,6 +154,9 @@ private fun createHttpLoggingInterceptor() = HttpLoggingInterceptor().apply {
     redactHeader("Authorization")
 }
 
+private fun createUserAgentInterceptor() =
+    UserAgentInterceptor("Kitsune/${BuildConfig.VERSION_NAME}")
+
 private fun Scope.createAuthenticationInterceptor() = try {
     AuthenticationInterceptorImpl(get())
 } catch (t: Throwable) {

app/src/main/java/io/github/drumber/kitsune/util/network/UserAgentInterceptor.kt

@@ -0,0 +1,14 @@
+package io.github.drumber.kitsune.util.network
+
+import okhttp3.Interceptor
+import okhttp3.Response
+
+class UserAgentInterceptor(private val userAgent: String) : Interceptor {
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request().newBuilder()
+            .header("User-Agent", userAgent)
+            .build()
+        return chain.proceed(request)
+    }
+}