Implemented number of abstract products in category

app/src/main/java/org/foxarmy/barcodescannerforemployees/DBStorageController.kt

@@ -1,6 +1,7 @@
 package org.foxarmy.barcodescannerforemployees
 
 import android.content.Context
+import android.database.DatabaseUtils
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 import android.provider.BaseColumns
@@ -121,6 +122,9 @@ class DBStorageController(context: Context) : SQLiteOpenHelper(context, DATABASE
         return result
     }
 
+    fun getAmountOfAbstractProductsInCategory(db:SQLiteDatabase, id: Int) : Int {
+        return DatabaseUtils.longForQuery(db, "SELECT COUNT(*) FROM ${ProductContract.ProductEntry.TABLE_NAME} WHERE ${ProductContract.ProductEntry.CATEGORY} = ?", arrayOf(id.toString())).toInt()
+    }
     fun eraseAbstractProduct(db: SQLiteDatabase, id: Int, context: Context) {
         val projection = arrayOf(
             ProductContract.ProductEntry.IMAGE_FILENAME

app/src/main/java/org/foxarmy/barcodescannerforemployees/views/CategoryView.kt

@@ -7,6 +7,7 @@ import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.core.content.ContextCompat
 import org.foxarmy.barcodescannerforemployees.Category
+import org.foxarmy.barcodescannerforemployees.DBStorageController
 import org.foxarmy.barcodescannerforemployees.R
 
 class CategoryView : LinearLayout {
@@ -14,8 +15,6 @@ class CategoryView : LinearLayout {
     val categoryName: TextView
     val amountOfProducts: TextView
     var isCategorySelected = false
-//    val updateButton: Button
-//    val deleteButton: Button
 
     constructor(activity: Activity, context: Context, category: Category) : super(context) {
         this.category = category
@@ -27,37 +26,14 @@ class CategoryView : LinearLayout {
 
         categoryName = findViewById(R.id.categoryNameTextView)
         amountOfProducts = findViewById(R.id.amountOfProducts)
-//        updateButton = findViewById(R.id.updateButton)
-//        deleteButton = findViewById(R.id.deleteButton)
 
         categoryName.text = category.name
+        amountOfProducts.text = DBStorageController(context).getAmountOfAbstractProductsInCategory(DBStorageController(context).readableDatabase, category.id).toString()
 
         setOnLongClickListener {
             isCategorySelected = !isCategorySelected
             this.background = ContextCompat.getDrawable(context, if (isCategorySelected) R.drawable.outline_selected else R.drawable.outline)
             true
         }
-
-//        updateButton.setOnClickListener {
-//            val addCategoryIntent = Intent(context, AddCategoryActivity::class.java)
-//            val extras = Bundle()
-//            extras.putInt("categoryid", category.id)
-//            extras.putString("categoryname", category.name)
-//            addCategoryIntent.putExtras(extras)
-//            ContextCompat.startActivity(context, addCategoryIntent, extras)
-//        }
-//
-//        deleteButton.setOnClickListener {
-//            val builder = AlertDialog.Builder(context)
-//                .setMessage("Deleting this category will also delete ALL the products, that belong to that category. Do you want to proceed?")
-//                .setPositiveButton("Yes") { _: DialogInterface, _: Int ->
-//                    val db = DBStorageController(context).writableDatabase
-//                    DBStorageController(context).eraseCategory(db, category.id, context)
-//
-//                }
-//                .setNegativeButton("No") { _: DialogInterface, _: Int ->
-//
-//                }.show()
-//        }
     }
 }