first commit

app/src/main/java/com/amz/genie/helpers/AttachmentDownloader.kt

@@ -0,0 +1,40 @@
+package com.amz.genie.helpers
+
+import android.content.Context
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import java.io.File
+
+object AttachmentDownloader {
+
+    fun downloadToCache(
+        ctx: Context,
+        url: String,
+        fileName: String,
+        token: String
+    ): File {
+        val safeName = fileName.ifBlank { "attachment_${System.currentTimeMillis()}" }
+        val outFile = File(ctx.cacheDir, safeName)
+
+        val client = OkHttpClient.Builder().build()
+
+        val req = Request.Builder()
+            .url(url)
+            .addHeader("Authorization", token)
+            .build()
+
+        client.newCall(req).execute().use { resp ->
+            if (!resp.isSuccessful) {
+                throw RuntimeException("Download gagal: ${resp.code} ${resp.message}")
+            }
+            val body = resp.body ?: throw RuntimeException("Body kosong")
+            outFile.outputStream().use { os ->
+                body.byteStream().use { input ->
+                    input.copyTo(os)
+                }
+            }
+        }
+
+        return outFile
+    }
+}