added barcode to abstractproduct, working on adding products

app/src/main/AndroidManifest.xml

@@ -45,7 +45,7 @@
 
         <provider
                 android:name="androidx.core.content.FileProvider"
-                android:authorities="com.google.firebase.components.activities.MainActivity.provider;com.google.firebase.components.activities.FullscreenActivity.provider;com.google.firebase.components.activities.AddAbstractProductActivity.provider"
+                android:authorities="com.google.firebase.components.activities.MainActivity.provider;com.google.firebase.components.activities.FullscreenActivity.provider;com.google.firebase.components.activities.AddAbstractProductActivity.provider;com.google.firebase.components.activities.AddProductActivity.provider"
                 android:exported="false"
                 android:grantUriPermissions="true">
             <meta-data

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

@@ -166,6 +166,36 @@ class DBStorageController(context: Context) : SQLiteOpenHelper(context, DATABASE
         db.delete(AbstractProductContract.AbstractProductEntry.TABLE_NAME, BaseColumns._ID + "=" + id, null)
     }
 
+    fun findAbstractProductByBarcode (db: SQLiteDatabase, barcode: String) : AbstractProduct? {
+        var abstractProduct: AbstractProduct? = null
+        val projection = arrayOf(
+            BaseColumns._ID,
+            AbstractProductContract.AbstractProductEntry.PRODUCT_NAME,
+            AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME,
+            AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT,
+            AbstractProductContract.AbstractProductEntry.CATEGORY
+        )
+
+        val selection = "${AbstractProductContract.AbstractProductEntry.BARCODE} = ?"
+        val selectionArgs = arrayOf(barcode)
+
+        val cursor = db.query(AbstractProductContract.AbstractProductEntry.TABLE_NAME, projection, selection, selectionArgs, null, null, null)
+
+        with(cursor) {
+            while(moveToNext()) {
+                val id = getInt(getColumnIndexOrThrow(BaseColumns._ID))
+                val productName = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NAME))
+                val imageFilename = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME))
+                val netWeight = getDouble(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT))
+                val category = getInt(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.CATEGORY))
+
+                abstractProduct = AbstractProduct(id, barcode, productName, netWeight, imageFilename, category)
+            }
+        }
+
+        return abstractProduct
+    }
+
     companion object {
         const val DATABASE_VERSION = 1
         const val DATABASE_NAME = "database.db"

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

@@ -2,6 +2,7 @@ package org.foxarmy.barcodescannerforemployees
 
 import android.app.Activity
 import android.content.Context
+import android.content.ContextWrapper
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.net.Uri
@@ -57,3 +58,29 @@ fun removeSubstringsFromString(text: String, toRemove: Array<String>): String {
 }
 
 fun String.utf8(): String = URLEncoder.encode(this, "UTF-8")
+
+//fun getActivity(context: Context?): Activity? {
+//    if (context == null) {
+//        return null
+//    } else if (context is ContextWrapper) {
+//        if (context is Activity)
+//            return context
+//        else
+//            return getActivity(context as ContextWrapper)!!.baseContext as Activity
+//    }
+//    return null
+//}
+
+fun getActivity(context: Context?): Activity? {
+    if (context == null) {
+        return null
+    } else if (context is ContextWrapper) {
+        return if (context is Activity) {
+            context
+        } else {
+            getActivity(context.baseContext)
+        }
+    }
+
+    return null
+}

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

@@ -1,18 +1,56 @@
 package org.foxarmy.barcodescannerforemployees.activities
 
 import android.os.Bundle
+import android.widget.Button
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
+import com.google.mlkit.vision.codescanner.GmsBarcodeScanning
+import org.foxarmy.barcodescannerforemployees.DBStorageController
 import org.foxarmy.barcodescannerforemployees.R
 import org.foxarmy.barcodescannerforemployees.dataclasses.Product
+import org.foxarmy.barcodescannerforemployees.views.AbstractProductView
 
 class AddProductActivity : AppCompatActivity() {
+
+    private lateinit var scanButton: Button
+    private lateinit var abstractProductView: AbstractProductView
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        setContentView(R.layout.activity_add_product)
+        setContentView(R.layout.fragment_add_product)
 
         val extras = intent.extras
         val product = extras!!.get("product") as Product?
 
+
+        scanButton = findViewById(R.id.scanButton)
+        abstractProductView = findViewById(R.id.abstractProductView)
+        /*
+        scanButton = findViewById(R.id.scanButton)
+        abstractProductView = AbstractProductView(this, this, AbstractProduct())
+        findViewById<ConstraintLayout>(R.id.addProductConstraintLayout).addView(abstractProductView)
+         */
+
+        scanButton.setOnClickListener {
+            val scanner = GmsBarcodeScanning.getClient(this)
+            scanner.startScan()
+                .addOnSuccessListener { barcode ->
+                    findAndDisplayAbstractProductByBarcode(barcode.rawValue.toString())
+                }
+                .addOnFailureListener {
+                    Toast.makeText(this, "Cannot scan barcode", Toast.LENGTH_SHORT).show()
+                }
+        }
+    }
+
+    fun findAndDisplayAbstractProductByBarcode(barcode: String) {
+        val abstractProduct = DBStorageController(this).findAbstractProductByBarcode(DBStorageController(this).readableDatabase, barcode)
+        if (abstractProduct == null) {
+            Toast.makeText(this, "No product found", Toast.LENGTH_SHORT).show()
+            return
+        }
+        abstractProductView.abstractProduct = abstractProduct
+        abstractProductView.update()
     }
 }

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

@@ -4,6 +4,7 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.ImageView
 import android.widget.LinearLayout
@@ -15,26 +16,37 @@ import org.foxarmy.barcodescannerforemployees.DBStorageController
 import org.foxarmy.barcodescannerforemployees.R
 import org.foxarmy.barcodescannerforemployees.activities.FullscreenActivity
 import org.foxarmy.barcodescannerforemployees.dataclasses.AbstractProduct
+import org.foxarmy.barcodescannerforemployees.getActivity
 import org.foxarmy.barcodescannerforemployees.getImageUri
 import java.io.File
 
 class AbstractProductView: LinearLayout {
-    private var productLayout: ConstraintLayout
+    private var productLayout: ConstraintLayout? = null
-    private var productPicture: ImageView
+    private var productPicture: ImageView? = null
-    private var productNameField: TextView
+    private var productNameField: TextView? = null
-    private var netWeightField: TextView
+    private var netWeightField: TextView? = null
-    private var categoryField: TextView
+    private var categoryField: TextView? = null
-    private var unitField: TextView
+    private var unitField: TextView? = null
-    var abstractProduct: AbstractProduct
+    var abstractProduct: AbstractProduct = AbstractProduct()
     var isProductSelected = false
+    private lateinit var activity: Activity
+
+    constructor(context: Context, a: AttributeSet) : super(context, a) {
+        activity = getActivity(context)!!
+        val inflater:LayoutInflater = activity.layoutInflater
+        inflater.inflate(R.layout.abstract_product_view, this)
+    }
 
     constructor(activity: Activity, context: Context, abstractProduct: AbstractProduct) : super(context) {
-
         this.abstractProduct = abstractProduct
-
+        this.activity = activity
         val inflater:LayoutInflater = activity.layoutInflater
         inflater.inflate(R.layout.abstract_product_view, this)
 
+        update()
+    }
+
+    fun init () {
         productLayout = findViewById(R.id.productLayout)
         productPicture = findViewById(R.id.productPicture)
         productNameField = findViewById(R.id.productNameView)
@@ -42,12 +54,8 @@ class AbstractProductView: LinearLayout {
         categoryField = findViewById(R.id.categoryView)
         unitField = findViewById(R.id.unitView)
 
-        val thumbnailsDir = File(context.cacheDir, "thumbnails")
+
-        thumbnailsDir.mkdirs()
+        productPicture!!.setOnClickListener {
-        val imageUri = getImageUri(activity, File(thumbnailsDir, "${abstractProduct.imageHash}.webp"))
-        productPicture.setImageURI(imageUri)
-        productPicture.rotation = 90f
-        productPicture.setOnClickListener {
             val fullscreenIntent = Intent(activity, FullscreenActivity::class.java)
             val extras = Bundle()
             extras.putString("imagehash", abstractProduct.imageHash)
@@ -55,20 +63,30 @@ class AbstractProductView: LinearLayout {
             startActivity(context, fullscreenIntent, extras)
         }
 
-        productLayout.setOnClickListener {
+        productLayout!!.setOnClickListener {
 
         }
 
-        productNameField.text = abstractProduct.name
-        netWeightField.text = abstractProduct.netWeight.toString()
-        categoryField.text = DBStorageController(context).getCategoryNameById(DBStorageController(context).readableDatabase, abstractProduct.category)
-
         //TODO: units
 
-        productLayout.setOnLongClickListener {
+        productLayout!!.setOnLongClickListener {
             isProductSelected = !isProductSelected
             this.background = ContextCompat.getDrawable(context, if (isProductSelected) R.drawable.outline_selected else R.drawable.outline)
             true
         }
     }
+
+    fun update() {
+        init()
+
+        val thumbnailsDir = File(context.cacheDir, "thumbnails")
+        thumbnailsDir.mkdirs()
+        val imageUri = getImageUri(activity, File(thumbnailsDir, "${abstractProduct.imageHash}.webp"))
+        productPicture!!.setImageURI(imageUri)
+        productPicture!!.rotation = 90f
+
+        productNameField!!.text = abstractProduct.name
+        netWeightField!!.text = abstractProduct.netWeight.toString()
+        categoryField!!.text = DBStorageController(context).getCategoryNameById(DBStorageController(context).readableDatabase, abstractProduct.category)
+    }
 }

app/src/main/res/layout/abstract_product_view.xml

@@ -11,7 +11,7 @@
             android:background="#00FFFEFE" android:clickable="true">
         <ImageView
                 android:layout_width="match_parent"
-                android:layout_height="200dp" app:srcCompat="@android:drawable/ic_btn_speak_now"
+                android:layout_height="200dp" app:srcCompat="@android:drawable/ic_menu_gallery"
                 android:id="@+id/productPicture"
                 app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"/>
@@ -45,7 +45,8 @@
                 android:layout_height="wrap_content" android:id="@+id/categoryView"
                 app:layout_constraintEnd_toEndOf="parent"
                 android:layout_marginEnd="25dp" android:fontFamily="monospace" android:textSize="10sp"
-                app:layout_constraintBottom_toBottomOf="parent" android:layout_marginBottom="20dp"/>
+                app:layout_constraintBottom_toBottomOf="parent" android:layout_marginBottom="20dp"
+                app:layout_constraintTop_toBottomOf="@+id/productNameView" android:layout_marginTop="10dp"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 
 </LinearLayout>

app/src/main/res/layout/fragment_add_product.xml

@@ -9,12 +9,19 @@
     <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:padding="16dp">
+            android:padding="16dp" android:layout_gravity="center_horizontal" android:id="@+id/addProductConstraintLayout">
-        <Spinner
+        <org.foxarmy.barcodescannerforemployees.views.AbstractProductView
-            android:layout_width="400dp"
+                android:layout_width="300dp"
-            android:layout_height="50dp" android:id="@+id/abstractProductSelect"
+                android:layout_height="300dp" android:id="@+id/abstractProductView"
-            app:layout_constraintTop_toTopOf="parent" android:layout_marginTop="12dp"
+                app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
+                android:layout_marginTop="32dp" app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"/>
+                app:layout_constraintEnd_toEndOf="parent"/>
+        <Button
+                android:text="@string/scan_label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" android:id="@+id/scanButton" android:layout_weight="1"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/abstractProductView" android:layout_marginTop="16dp"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 </androidx.core.widget.NestedScrollView>

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

@@ -1,7 +1,6 @@
 <resources>
     <string name="app_name">BarcodeScannerForEmployees</string>
     <string name="action_settings">Settings</string>
-    <!-- Strings used for fragments for navigation -->
     <string name="first_fragment_label">Add new product</string>
     <string name="second_fragment_label">Products</string>
     <string name="scan_label">Scan</string>
@@ -13,8 +12,8 @@
     <string name="productName">Product name</string>
     <string name="productType">Product type</string>
     <string name="imageOfAProduct">Image of a product</string>
-    <string name="sample_product_name">Уззкое название товара</string>
+    <string name="sample_product_name">Sample product name</string>
-    <string name="sample_product_net_weight">1998</string>
+    <string name="sample_product_net_weight">100</string>
     <string name="sample_unit">g</string>
     <string name="sample_category">Sample category</string>
     <string name="title_activity_fullscreen">FullscreenActivity</string>