BarInsta/app/src/main/java/awais/instagrabber/viewmodels/DirectorySelectActivityView...

89 lines
3.6 KiB
Kotlin

package awais.instagrabber.viewmodels
import android.app.Application
import android.content.Intent
import android.content.UriPermission
import android.net.Uri
import android.os.Parcelable
import androidx.documentfile.provider.DocumentFile
import androidx.lifecycle.AndroidViewModel
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import awais.instagrabber.R
import awais.instagrabber.fragments.settings.PreferenceKeys
import awais.instagrabber.utils.Constants
import awais.instagrabber.utils.DownloadUtils.ReselectDocumentTreeException
import awais.instagrabber.utils.TextUtils.isEmpty
import awais.instagrabber.utils.Utils
import java.io.UnsupportedEncodingException
import java.net.URLDecoder
import java.nio.charset.StandardCharsets
class DirectorySelectActivityViewModel(application: Application) : AndroidViewModel(application) {
private val _message = MutableLiveData<String>()
private val _prevUri = MutableLiveData<String?>()
private val _loading = MutableLiveData(false)
private val _dirSuccess = MutableLiveData(false)
val message: LiveData<String> = _message
val prevUri: LiveData<String?> = _prevUri
val loading: LiveData<Boolean> = _loading
val dirSuccess: LiveData<Boolean> = _dirSuccess
fun setInitialUri(intent: Intent?) {
if (intent == null) {
setMessage(null)
return
}
val initialUriParcelable = intent.getParcelableExtra<Parcelable>(Constants.EXTRA_INITIAL_URI)
if (initialUriParcelable !is Uri) {
setMessage(null)
return
}
setMessage(initialUriParcelable as Uri?)
}
private fun setMessage(initialUri: Uri?) {
if (initialUri == null) {
val prevVersionFolderPath = Utils.settingsHelper.getString(PreferenceKeys.FOLDER_PATH)
if (isEmpty(prevVersionFolderPath)) {
// default message
_message.postValue(getApplication<Application>().getString(R.string.dir_select_default_message))
_prevUri.postValue(null)
return
}
_message.postValue(getApplication<Application>().getString(R.string.dir_select_reselect_message))
_prevUri.postValue(prevVersionFolderPath)
return
}
val existingPermissions = getApplication<Application>().contentResolver.persistedUriPermissions
val anyMatch = existingPermissions.stream().anyMatch { uriPermission: UriPermission -> uriPermission.uri == initialUri }
val documentFile = DocumentFile.fromSingleUri(getApplication(), initialUri)
val path: String = try {
URLDecoder.decode(initialUri.toString(), StandardCharsets.UTF_8.toString())
} catch (e: UnsupportedEncodingException) {
initialUri.toString()
}
if (!anyMatch) {
_message.postValue(getApplication<Application>().getString(R.string.dir_select_permission_revoked_message))
_prevUri.postValue(path)
return
}
if (documentFile == null || !documentFile.exists() || documentFile.lastModified() == 0L) {
_message.postValue(getApplication<Application>().getString(R.string.dir_select_folder_not_exist))
_prevUri.postValue(path)
}
}
@Throws(ReselectDocumentTreeException::class)
fun setupSelectedDir(data: Intent) {
_loading.postValue(true)
try {
Utils.setupSelectedDir(getApplication(), data)
_message.postValue(getApplication<Application>().getString(R.string.dir_select_success_message))
_dirSuccess.postValue(true)
} finally {
_loading.postValue(false)
}
}
}