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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.isAppEnabled
import ca.allanwang.kau.utils.showAppInfo
import ca.allanwang.kau.utils.string
import ca.allanwang.kau.utils.toast
import com.pitchedapps.frost.R
import com.pitchedapps.frost.dbflow.loadFbCookie
import com.pitchedapps.frost.facebook.USER_AGENT_BASIC
/**
* 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 = USER_AGENT_BASIC,
contentDisposition: String? = null,
mimeType: String? = null,
contentLength: Long = 0L) {
url ?: return
frostDownload(Uri.parse(url), userAgent, contentDisposition, mimeType, contentLength)
}
fun Context.frostDownload(uri: Uri?,
userAgent: String = USER_AGENT_BASIC,
contentDisposition: String? = null,
mimeType: String? = null,
contentLength: Long = 0L) {
uri ?: return
L.d { "Received download request" }
if (uri.scheme != "http" && uri.scheme != "https") {
toast(R.string.error_invalid_download)
return L.e { "Invalid download $uri" }
}
if (!isAppEnabled(DOWNLOAD_MANAGER_PACKAGE)) {
materialDialogThemed {
title(R.string.no_download_manager)
content(R.string.no_download_manager_desc)
positiveText(R.string.kau_yes)
onPositive { _, _ -> showAppInfo(DOWNLOAD_MANAGER_PACKAGE) }
negativeText(R.string.kau_no)
}
return
}
kauRequestPermissions(PERMISSION_WRITE_EXTERNAL_STORAGE) { granted, _ ->
if (!granted) return@kauRequestPermissions
val request = DownloadManager.Request(uri)
request.setMimeType(mimeType)
val cookie = loadFbCookie(Prefs.userId) ?: return@kauRequestPermissions
val title = URLUtil.guessFileName(uri.toString(), contentDisposition, mimeType)
request.addRequestHeader("Cookie", cookie.cookie)
request.addRequestHeader("User-Agent", userAgent)
request.setDescription(string(R.string.downloading))
request.setTitle(title)
request.allowScanningByMediaScanner()
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "Frost/$title")
val dm = getSystemService(DOWNLOAD_SERVICE) as DownloadManager
try {
dm.enqueue(request)
} catch (e: Exception) {
toast(R.string.error_generic)
L.e(e) { "Download" }
}
}
}
private const val DOWNLOAD_MANAGER_PACKAGE = "com.android.providers.downloads"
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