From 7ec6a6de13d2df4198393111fa82a3136db1cf3b Mon Sep 17 00:00:00 2001
From: Kirill Taran <kirill@taran.space>
Date: Tue, 18 Apr 2023 10:53:29 +0300
Subject: [PATCH] #333: Root folder suggestions

---
 .../rootsscan/RootsScanDialogFragment.kt      | 61 ++++++++++++++++++-
 app/src/main/res/layout/dialog_roots_scan.xml | 30 +++++++--
 2 files changed, 85 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/dev/arkbuilders/navigator/presentation/dialog/rootsscan/RootsScanDialogFragment.kt b/app/src/main/java/dev/arkbuilders/navigator/presentation/dialog/rootsscan/RootsScanDialogFragment.kt
index d4c3c003..9b1dd1bd 100644
--- a/app/src/main/java/dev/arkbuilders/navigator/presentation/dialog/rootsscan/RootsScanDialogFragment.kt
+++ b/app/src/main/java/dev/arkbuilders/navigator/presentation/dialog/rootsscan/RootsScanDialogFragment.kt
@@ -1,9 +1,14 @@
 package dev.arkbuilders.navigator.presentation.dialog.rootsscan
 
+import android.content.res.ColorStateList
+import android.graphics.Color
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.CheckBox
+import android.widget.LinearLayout
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.setFragmentResult
 import moxy.MvpBottomSheetDialogFragment
 import moxy.ktx.moxyPresenter
@@ -12,6 +17,8 @@ import dev.arkbuilders.navigator.databinding.DialogRootsScanBinding
 import dev.arkbuilders.navigator.presentation.App
 import dev.arkbuilders.navigator.presentation.utils.toast
 import java.nio.file.Path
+import java.nio.file.Paths
+import kotlin.io.path.exists
 
 class RootsScanDialogFragment : MvpBottomSheetDialogFragment(), RootsScanView {
     private lateinit var binding: DialogRootsScanBinding
@@ -20,6 +27,8 @@ class RootsScanDialogFragment : MvpBottomSheetDialogFragment(), RootsScanView {
             App.instance.appComponent.inject(this)
         }
     }
+    private val defaultRootsFolders =
+        listOf("DCIM/Camera", "Documents", "Pictures", "Downloads")
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -48,6 +57,33 @@ class RootsScanDialogFragment : MvpBottomSheetDialogFragment(), RootsScanView {
         btnScan.setOnClickListener {
             presenter.onScanBtnClick()
         }
+        initDefaultRootsInfo(defaultRootsFolders)
+    }
+
+    private fun initDefaultRootsInfo(rootsList: List<String>) {
+        rootsList.forEach { root ->
+            val view = CheckBox(context)
+            val params = LinearLayout.LayoutParams(
+                LinearLayout.LayoutParams.MATCH_PARENT,
+                LinearLayout.LayoutParams.WRAP_CONTENT
+            )
+            view.layoutParams = params
+            view.text = root
+            view.isChecked = true
+            val selectColor =
+                ContextCompat.getColor(requireContext(), R.color.colorPrimary)
+            val normalColor = ContextCompat.getColor(requireContext(), R.color.gray)
+            view.setTextColor(selectColor)
+            view.buttonTintList = ColorStateList.valueOf(Color.BLUE)
+            view.setOnCheckedChangeListener { buttonView, isChecked ->
+                if (isChecked) {
+                    view.setTextColor(selectColor)
+                } else {
+                    view.setTextColor(normalColor)
+                }
+            }
+            binding.layoutDefaultRoot.addView(view)
+        }
     }
 
     override fun startScan() = with(binding) {
@@ -77,10 +113,33 @@ class RootsScanDialogFragment : MvpBottomSheetDialogFragment(), RootsScanView {
     override fun closeDialog() = dismiss()
 
     override fun notifyRootsFound(roots: List<Path>) {
+        val finalRoots: MutableList<Path> = mutableListOf()
+        val checkedFolders: MutableList<String> = mutableListOf()
+        val count = binding.layoutDefaultRoot.childCount
+        for (i in 0 until count) {
+            val child = binding.layoutDefaultRoot.getChildAt(i) as CheckBox
+            if (child.isChecked) {
+                checkedFolders.add(defaultRootsFolders[i])
+            }
+        }
+        roots.forEach { root ->
+            var foundDefaultFolder = false
+            checkedFolders.forEach {
+                val defaultRoot = Paths.get(root.toString() + '/' + it)
+                if (defaultRoot.exists()) {
+                    finalRoots.add(defaultRoot)
+                    foundDefaultFolder = true
+                }
+            }
+            if (!foundDefaultFolder) {
+                finalRoots.add(root)
+            }
+        }
+
         val bundle = Bundle().apply {
             putStringArray(
                 RESULT_KEY_ROOTS,
-                roots.map(Path::toString).toTypedArray()
+                finalRoots.map(Path::toString).toTypedArray()
             )
         }
         setFragmentResult(REQUEST_KEY_ROOTS_FOUND, bundle)
diff --git a/app/src/main/res/layout/dialog_roots_scan.xml b/app/src/main/res/layout/dialog_roots_scan.xml
index 0fe2af87..6a187547 100644
--- a/app/src/main/res/layout/dialog_roots_scan.xml
+++ b/app/src/main/res/layout/dialog_roots_scan.xml
@@ -30,11 +30,32 @@
             android:text="@string/root_scanning_description"
             android:textColor="@color/black"
             android:textSize="16sp"
-            app:layout_constraintBottom_toTopOf="@id/btn_scan"
+            app:layout_constraintBottom_toTopOf="@id/tv_default_root"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tv_header" />
-
+        <TextView
+            android:id="@+id/tv_default_root"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingLeft="30dp"
+            android:paddingTop="12dp"
+            android:paddingBottom="12dp"
+            android:text="default Root folder"
+            android:textColor="#7A000000"
+            android:textSize="15sp"
+            app:layout_constraintTop_toBottomOf="@id/tv_description"/>
+        <LinearLayout
+            android:id="@+id/layout_default_root"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="#fff"
+            android:paddingLeft="30dp"
+            android:paddingRight="16dp"
+            android:orientation="vertical"
+            android:visibility="visible"
+            app:layout_constraintBottom_toTopOf="@+id/btn_skip"
+            app:layout_constraintTop_toBottomOf="@id/tv_default_root"/>
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn_skip"
             style="@style/Widget.MaterialComponents.Button.TextButton"
@@ -42,9 +63,8 @@
             android:layout_height="wrap_content"
             android:layout_marginEnd="12dp"
             android:text="@string/skip"
-            app:layout_constraintBottom_toBottomOf="@id/btn_scan"
-            app:layout_constraintEnd_toStartOf="@id/btn_scan"
-            app:layout_constraintTop_toTopOf="@id/btn_scan" />
+            app:layout_constraintTop_toBottomOf="@id/layout_default_root"
+            app:layout_constraintEnd_toStartOf="@id/btn_scan" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/btn_scan"