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path: root/app/src/main/java/dev/msfjarvis/aps/ui/dialogs/FolderCreationDialogFragment.kt
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/*
 * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
 * SPDX-License-Identifier: GPL-3.0-only
 */
package dev.msfjarvis.aps.ui.dialogs

import android.app.Dialog
import android.content.Intent
import android.os.Bundle
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import androidx.core.os.bundleOf
import androidx.fragment.app.DialogFragment
import androidx.lifecycle.lifecycleScope
import com.google.android.material.checkbox.MaterialCheckBox
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.android.material.textfield.TextInputEditText
import com.google.android.material.textfield.TextInputLayout
import dev.msfjarvis.aps.R
import dev.msfjarvis.aps.data.repo.PasswordRepository
import dev.msfjarvis.aps.ui.crypto.BasePgpActivity
import dev.msfjarvis.aps.ui.crypto.GetKeyIdsActivity
import dev.msfjarvis.aps.ui.passwords.PasswordStore
import dev.msfjarvis.aps.util.extensions.commitChange
import dev.msfjarvis.aps.util.extensions.requestInputFocusOnView
import java.io.File
import kotlinx.coroutines.launch
import me.msfjarvis.openpgpktx.util.OpenPgpApi

class FolderCreationDialogFragment : DialogFragment() {

    private lateinit var newFolder: File

    private val keySelectAction = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
        if (result.resultCode == AppCompatActivity.RESULT_OK) {
            result.data?.getStringArrayExtra(OpenPgpApi.EXTRA_KEY_IDS)?.let { keyIds ->
                val gpgIdentifierFile = File(newFolder, ".gpg-id")
                gpgIdentifierFile.writeText(keyIds.joinToString("\n"))
                val repo = PasswordRepository.getRepository(null)
                if (repo != null) {
                    lifecycleScope.launch {
                        val repoPath = PasswordRepository.getRepositoryDirectory().absolutePath
                        requireActivity().commitChange(
                            getString(
                                R.string.git_commit_gpg_id,
                                BasePgpActivity.getLongName(gpgIdentifierFile.parentFile!!.absolutePath, repoPath, gpgIdentifierFile.name)
                            ),
                        )
                        dismiss()
                    }
                }
            }
        }
    }

    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        val alertDialogBuilder = MaterialAlertDialogBuilder(requireContext())
        alertDialogBuilder.setTitle(R.string.title_create_folder)
        alertDialogBuilder.setView(R.layout.folder_dialog_fragment)
        alertDialogBuilder.setPositiveButton(getString(R.string.button_create), null)
        alertDialogBuilder.setNegativeButton(getString(android.R.string.cancel)) { _, _ ->
            dismiss()
        }
        val dialog = alertDialogBuilder.create()
        dialog.requestInputFocusOnView<TextInputEditText>(R.id.folder_name_text)
        dialog.setOnShowListener {
            dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
                createDirectory(requireArguments().getString(CURRENT_DIR_EXTRA)!!)
            }
        }
        return dialog
    }

    private fun createDirectory(currentDir: String) {
        val dialog = requireDialog()
        val folderNameView = dialog.findViewById<TextInputEditText>(R.id.folder_name_text)
        val folderNameViewContainer = dialog.findViewById<TextInputLayout>(R.id.folder_name_container)
        newFolder = File("$currentDir/${folderNameView.text}")
        folderNameViewContainer.error = when {
            newFolder.isFile -> getString(R.string.folder_creation_err_file_exists)
            newFolder.isDirectory -> getString(R.string.folder_creation_err_folder_exists)
            else -> null
        }
        if (folderNameViewContainer.error != null) return
        newFolder.mkdirs()
        (requireActivity() as PasswordStore).refreshPasswordList(newFolder)
        if (dialog.findViewById<MaterialCheckBox>(R.id.set_gpg_key).isChecked) {
            keySelectAction.launch(Intent(requireContext(), GetKeyIdsActivity::class.java))
            return
        } else {
            dismiss()
        }
    }

    companion object {

        private const val CURRENT_DIR_EXTRA = "CURRENT_DIRECTORY"
        fun newInstance(startingDirectory: String): FolderCreationDialogFragment {
            val extras = bundleOf(CURRENT_DIR_EXTRA to startingDirectory)
            val fragment = FolderCreationDialogFragment()
            fragment.arguments = extras
            return fragment
        }
    }
}