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package com.pitchedapps.frost.utils
import android.app.DownloadManager
import android.content.Context
import android.content.Context.DOWNLOAD_SERVICE
import android.net.Uri
import android.os.Environment
import android.webkit.URLUtil
import ca.allanwang.kau.permissions.PERMISSION_WRITE_EXTERNAL_STORAGE
import ca.allanwang.kau.permissions.kauRequestPermissions
import ca.allanwang.kau.utils.string
import com.pitchedapps.frost.R
import com.pitchedapps.frost.dbflow.loadFbCookie
/**
* Created by Allan Wang on 2017-08-04.
*
* With reference to <a href="https://stackoverflow.com/questions/33434532/android-webview-download-files-like-browsers-do">Stack Overflow</a>
*/
fun Context.frostDownload(url: String, userAgent: String, contentDisposition: String, mimeType: String, contentLength: Long) {
L.d("Received download request", "Download $url")
val uri = Uri.parse(url) ?: return
if (uri.scheme != "http" && uri.scheme != "https")
return L.e("Invalid download attempt", url)
kauRequestPermissions(PERMISSION_WRITE_EXTERNAL_STORAGE) { granted, _ ->
if (!granted) return@kauRequestPermissions
val request = DownloadManager.Request(uri)
request.setMimeType(mimeType)
val cookie = loadFbCookie(Prefs.userId) ?: return@kauRequestPermissions
request.addRequestHeader("cookie", cookie.cookie)
request.addRequestHeader("User-Agent", userAgent)
request.setDescription(string(R.string.downloading))
request.setTitle(URLUtil.guessFileName(url, contentDisposition, mimeType))
request.allowScanningByMediaScanner()
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "Frost/" + URLUtil.guessFileName(url, contentDisposition, mimeType))
val dm = getSystemService(DOWNLOAD_SERVICE) as DownloadManager
dm.enqueue(request)
}
}
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