handling non-existend abstract products

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

@@ -45,6 +45,7 @@ class AddAbstractProductActivity : AppCompatActivity() {
     private lateinit var pictureFile: File
     private lateinit var picturesPath: File
     private var barcode: String = ""
+    private var updatingExisting = false
 
     private var scanningBarcode = false
 
@@ -55,9 +56,6 @@ class AddAbstractProductActivity : AppCompatActivity() {
 
         val extras = intent.extras
         abstractProduct = extras!!.get("abstractProduct") as AbstractProduct?
-        if (abstractProduct != null) {
-            barcode = abstractProduct!!.barcode
-        }
 
         picturesPath = File(filesDir, "pictures")
         val thumbnailsDir = File(cacheDir, "thumbnails")
@@ -83,10 +81,20 @@ class AddAbstractProductActivity : AppCompatActivity() {
             this.barcode = barcodeText.text.toString()
         }
 
-        if (abstractProduct?.name == "" && abstractProduct?.barcode != "") {
+        if (abstractProduct != null) {
-            performRequest(abstractProduct?.barcode!!)
+            barcode = abstractProduct!!.barcode
+            updatingExisting = false
+            performRequest(abstractProduct!!.barcode)
+        } else {
+            updatingExisting = true
         }
 
+
+//        if (abstractProduct?.name == "" && abstractProduct?.barcode != "") {
+//            updatingExisting = true
+//            performRequest(abstractProduct?.barcode!!)
+//        }
+
         if (abstractProduct != null) {
             val imageThumbnailUri = getImageUri(this, File(thumbnailsDir, "${abstractProduct!!.imageHash}.webp"))
             pictureFile = File(picturesPath, "${abstractProduct!!.imageHash}.png]")
@@ -130,15 +138,15 @@ class AddAbstractProductActivity : AppCompatActivity() {
                 put(AbstractProductContract.AbstractProductEntry.UNIT, unitTypeSpinner.selectedItemPosition)
             }
 
-            if (abstractProduct == null) {
+            if (updatingExisting) {
-                db.insert(AbstractProductContract.AbstractProductEntry.TABLE_NAME, null, values)
-            } else {
                 db.update(
                     AbstractProductContract.AbstractProductEntry.TABLE_NAME,
                     values,
                     "${BaseColumns._ID} = ?",
                     arrayOf(abstractProduct!!.id.toString())
                 )
+            } else {
+                db.insert(AbstractProductContract.AbstractProductEntry.TABLE_NAME, null, values)
             }
 
             finish()

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

@@ -1,13 +1,16 @@
 package org.foxarmy.barcodescannerforemployees.activities
 
 import android.app.DatePickerDialog
+import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.view.View
 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 androidx.core.widget.addTextChangedListener
 import com.journeyapps.barcodescanner.ScanContract
 import com.journeyapps.barcodescanner.ScanIntentResult
@@ -206,10 +209,25 @@ class AddProductActivity : AppCompatActivity() {
         product!!.dateOfExpiry = c.timeInMillis / 1000
     }
 
-    private fun displayAbstractProduct(abstractProduct: AbstractProduct) {
+    private fun displayAbstractProduct(abstractProduct: AbstractProduct?, scannedBarcode: String) {
+        if (abstractProduct == null) {
+            AlertDialog.Builder(this)
+                .setMessage(getString(R.string.abstract_product_does_not_exist))
+                .setPositiveButton(R.string.yes) { _, _ ->
+                    val addAbstractProductIntent = Intent(this, AddAbstractProductActivity::class.java)
+                    val extras = Bundle()
+                    extras.putParcelable("abstractProduct", AbstractProduct(0, scannedBarcode, "", 0.0, "", 0, 0))
+                    addAbstractProductIntent.putExtras(extras)
+                    ContextCompat.startActivity(this, addAbstractProductIntent, extras)
+                }
+                .setNegativeButton(R.string.no) {_, _ ->
+
+                }.show()
+        } else {
             abstractProductView.abstractProduct = abstractProduct
             abstractProductView.update()
         }
+    }
 
     @RequiresApi(Build.VERSION_CODES.R)
     val requestPermissionLauncher =
@@ -230,11 +248,14 @@ class AddProductActivity : AppCompatActivity() {
             } else {
                 val scannedBarcode = result.contents
                 abstractProduct = DBStorageController(this).findAbstractProductByBarcode(DBStorageController(this).readableDatabase, scannedBarcode)
-                displayAbstractProduct(abstractProduct!!)
+
+                displayAbstractProduct(abstractProduct, scannedBarcode)
+                if (abstractProduct != null) {
                     product?.abstractProductId = abstractProduct!!.id
                 }
             }
         }
+    }
 
     private fun prepareBarcodeScanner() {
         val options = ScanOptions()

app/src/main/res/values-ru/strings.xml

@@ -77,4 +77,5 @@
         <item>Имя</item>
         <item>Категория</item>
     </string-array>
+    <string name="abstract_product_does_not_exist">Абстрактный продукт с таким штрихкодом не существует. Хотите его добавить?. </string>
 </resources>

app/src/main/res/values/strings.xml

@@ -75,4 +75,5 @@
     <string name="expired">Expired</string>
     <string name="barcode">Barcode</string>
     <string name="scan_label">Scan</string>
+    <string name="abstract_product_does_not_exist">Abstract product with such barcode does not exist. Do you want to add one?</string>
 </resources>