handling existing abstract products

app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/AddAbstractProductActivity.kt

@@ -2,6 +2,8 @@ package org.foxarmy.barcodescannerforemployees.activities
 
 import android.Manifest
 import android.content.ContentValues
+import android.content.DialogInterface
+import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.provider.BaseColumns
@@ -9,7 +11,9 @@ import android.util.Log
 import android.widget.*
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.RequiresApi
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
 import com.google.mlkit.vision.barcode.common.Barcode
 import com.google.mlkit.vision.codescanner.GmsBarcodeScannerOptions
 import com.google.mlkit.vision.codescanner.GmsBarcodeScanning
@@ -78,6 +82,7 @@ class AddAbstractProductActivity : AppCompatActivity() {
             pictureFile = File(picturesPath, "${abstractProduct!!.imageHash}.png]")
             imageView.setImageURI(imageThumbnailUri)
             imageView.rotation = 90f
+            barcodeText.setText(abstractProduct!!.barcode)
             productNameText.text = abstractProduct!!.name
             netWeightText.text = abstractProduct!!.netWeight.toString()
             categorySpinner.setSelection(abstractProduct!!.category)
@@ -155,6 +160,23 @@ class AddAbstractProductActivity : AppCompatActivity() {
         requester.request(this, barcode)
         var abstractProduct: AbstractProduct
 
+        if (DBStorageController(this).findAbstractProductByBarcode(DBStorageController(this).readableDatabase, this.barcode) != null) {
+            AlertDialog.Builder(this)
+                .setMessage("You've got an abstract product with such barcode in your database")
+                .setPositiveButton("Quit") { _: DialogInterface, _: Int ->
+                    finish()
+                }
+                .setNegativeButton("Edit existing") { _: DialogInterface, _: Int ->
+                    val addProductIntent = Intent(this, AddAbstractProductActivity::class.java)
+                    val extras = Bundle()
+                    val existingAbstractProduct = DBStorageController(this).findAbstractProductByBarcode(DBStorageController(this).readableDatabase, this.barcode)
+                    extras.putParcelable("abstractProduct", existingAbstractProduct)
+                    addProductIntent.putExtras(extras)
+                    ContextCompat.startActivity(this, addProductIntent, extras)
+                    finish()
+                }.show()
+        }
+
         thread {
             // Я сам в ахуях какой это костыль, пока хз как фиксить, потом придумаю :))
             while (requester.response == "") { }
@@ -164,6 +186,7 @@ class AddAbstractProductActivity : AppCompatActivity() {
                 }
                 return@thread
             }
+
             abstractProduct = Parser().parse(requester.response)
             requester.response = ""
             runOnUiThread {