[feat] #8 Auth Interceptor 구현

app/src/main/java/org/sopt/and/data/interceptor/AuthInterceptor.kt

@@ -0,0 +1,25 @@
+package org.sopt.and.data.interceptor
+
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+import org.sopt.and.data.datasource.local.WaveLocalDataSource
+import javax.inject.Inject
+
+class AuthInterceptor @Inject constructor(
+    private val localStorage: WaveLocalDataSource
+) : Interceptor {
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val originalRequest = chain.request()
+        val authRequest =
+            if (localStorage.isLogin) originalRequest.newAuthBuilder() else originalRequest
+        return chain.proceed(authRequest)
+    }
+
+    private fun Request.newAuthBuilder() =
+        this.newBuilder().addHeader(AUTHORIZATION, localStorage.accessToken).build()
+
+    companion object {
+        const val AUTHORIZATION = "token"
+    }
+}