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Code Issues Projects Releases Wiki Activity

Use IO extensions in ImportHelper.

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This commit is contained in:
Isira Seneviratne 2022-09-17 06:26:23 +05:30
parent 8629adba29
commit fa0a993418
1 changed files with 22 additions and 46 deletions
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68
app/src/main/java/com/github/libretube/util/ImportHelper.kt
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@ -15,49 +15,39 @@ import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.runBlocking
import java.io.BufferedReader
import java.io.FileOutputStream
import java.io.InputStreamReader
class ImportHelper(
private val activity: Activity
) {
class ImportHelper(private val activity: Activity) {
/**
* Import subscriptions by a file uri
*/
fun importSubscriptions(uri: Uri?) {
if (uri == null) return
try {
var channels = ArrayList<String>()
val fileType = activity.contentResolver.getType(uri)
val channels = when (activity.contentResolver.getType(uri)) {
"application/json" -> {
// NewPipe subscriptions format
val mapper = ObjectMapper()
val json = activity.contentResolver.openInputStream(uri)?.use {
it.bufferedReader().use { reader -> reader.readText() }
}.orEmpty()
if (fileType == "application/json") {
// NewPipe subscriptions format
val mapper = ObjectMapper()
val json = readRawTextFromUri(uri)
val subscriptions = mapper.readValue(json, NewPipeSubscriptions::class.java)
channels = subscriptions.subscriptions?.map {
it.url?.replace("https://www.youtube.com/channel/", "")!!
} as ArrayList<String>
} else if (
fileType == "text/csv" ||
fileType == "text/comma-separated-values"
) {
// import subscriptions from Google/YouTube Takeout
val inputStream = activity.contentResolver.openInputStream(uri)
BufferedReader(InputStreamReader(inputStream)).use { reader ->
var line: String? = reader.readLine()
while (line != null) {
val channelId = line.substringBefore(",")
if (channelId.length == 24) channels.add(channelId)
line = reader.readLine()
val subscriptions = mapper.readValue(json, NewPipeSubscriptions::class.java)
subscriptions.subscriptions.orEmpty().map {
it.url!!.replace("https://www.youtube.com/channel/", "")
}
}
inputStream?.close()
} else {
throw IllegalArgumentException("Unsupported file type")
"text/csv", "text/comma-separated-values" -> {
// import subscriptions from Google/YouTube Takeout
activity.contentResolver.openInputStream(uri)?.use {
it.bufferedReader().useLines { lines ->
lines.map { line -> line.substringBefore(",") }
.filter { channelId -> channelId.length == 24 }
.toList()
}
}.orEmpty()
}
else -> throw IllegalArgumentException("Unsupported file type")
}
CoroutineScope(Dispatchers.IO).launch {
@ -75,20 +65,6 @@ class ImportHelper(
}
}
private fun readRawTextFromUri(uri: Uri): String {
val stringBuilder = StringBuilder()
activity.contentResolver.openInputStream(uri)?.use { inputStream ->
BufferedReader(InputStreamReader(inputStream)).use { reader ->
var line: String? = reader.readLine()
while (line != null) {
stringBuilder.append(line)
line = reader.readLine()
}
}
}
return stringBuilder.toString()
}
/**
* write the text to the document
*/