fix issue double category and add all category filter

app/src/main/java/com/example/yourcashiertest/activities/CartActivity.java

@@ -8,7 +8,9 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
+import android.widget.Toast;
 
 import com.example.yourcashiertest.R;
 import com.example.yourcashiertest.adapters.CartAdapter;
@@ -61,9 +63,17 @@ public class CartActivity extends AppCompatActivity {
         adapter.setCartListener(new CartAdapter.CartListener() {
             @Override
             public void onIncrease(Cart cart) {
+                Log.d("stock1", ""+product.getQuantity());
+                Log.d("qty1", ""+cart.getQty());
+                if(product.getQuantity() < cart.getQty()){
+                    Log.d("stock2", ""+product.getQuantity());
+                    Log.d("qty2", ""+cart.getQty());
                     cart.setQty(cart.getQty() + 1);
                     cart.setPrice(cart.getRealPrice() * cart.getQty());
                     cartViewModel.updateCart(cart);
+                }else{
+                    Toast.makeText(getApplicationContext(),"Product stock is not enough", Toast.LENGTH_LONG).show();
+                }
             }
 
             @Override
@@ -71,7 +81,7 @@ public class CartActivity extends AppCompatActivity {
                 cart.setQty(cart.getQty() - 1);
                 cart.setPrice(cart.getRealPrice() * cart.getQty());
                 cartViewModel.updateCart(cart);
-                if (cart.getQty() <= 0){
+                if (cart.getQty() < 1){
                     cartViewModel.deleteCart(cart);
                 }
             }

app/src/main/java/com/example/yourcashiertest/activities/MainActivity.java

@@ -19,6 +19,7 @@ import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextWatcher;
 
+import android.view.View;
 import android.widget.PopupMenu;
 import android.widget.Toast;
 
@@ -134,12 +135,11 @@ public class MainActivity extends AppCompatActivity {
         Set<String> set = new HashSet<>();
         List<String> category = new ArrayList<>();
         for (int i = 0; i < product.size(); i++){
-            set.add(product.get(i).getCategory());
+            set.add(product.get(i).getCategory().toLowerCase());
         }
         category.addAll(set);
         categoryAdapter.setCategories(category);
-        categoryAdapter.setListener(c -> viewModel.filter(c.toLowerCase()));
-
+        categoryAdapter.setListener(c -> viewModel.filter(c));
         adapter.setListener(new ProductAdapter.ProductListener() {
             @Override
             public void onUpdate(Product product) {
@@ -229,4 +229,5 @@ public class MainActivity extends AppCompatActivity {
         super.onDestroy();
         binding = null;
     }
+
 }
\ No newline at end of file

app/src/main/java/com/example/yourcashiertest/activities/ProductActivity.java

@@ -67,7 +67,7 @@ public class ProductActivity extends AppCompatActivity{
                     fixProduct.setPhoto(file.getAbsolutePath());
                 }
                 fixProduct.setName(binding.etProduct.getText().toString());
-                fixProduct.setCategory(binding.etCategory.getText().toString());
+                fixProduct.setCategory(binding.etCategory.getText().toString().toLowerCase());
                 fixProduct.setDescription(binding.etDescription.getText().toString());
                 fixProduct.setPrice(Long.parseLong(TextUtils.
                         isEmpty(binding.etPrice.getText().toString()) ? "0" : binding.etPrice.getText().toString()));

app/src/main/java/com/example/yourcashiertest/activities/RegisterActivity.java

@@ -36,8 +36,6 @@ public class RegisterActivity extends AppCompatActivity {
             if(binding.etUsername.getText().toString().length() == 0 || binding.etPassword.getText().toString().length() == 0
                     || binding.etEmail.getText().toString().length() == 0 ||binding.etPhoneNumber.getText().toString().length() == 0){
                 Toast.makeText(getApplicationContext(), "Please input All Required Data", Toast.LENGTH_SHORT).show();
-            }else if(!binding.etPassword.getText().toString().matches("[A-Za-z0-9]+")){
-                binding.etPassword.setError("Passwords can only contain Alphanumeric");
             }else if(binding.etPassword.getText().toString().length() < 8) {
                 binding.etPassword.setError("Password length cannot be less than 8 characters");
             }else if(!binding.etPassword.getText().toString().equals(binding.etConfirmPassword.getText().toString())){

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

@@ -126,11 +126,44 @@
             android:imeOptions="actionSearch"
             android:inputType="textCapWords"
             android:textSize="@dimen/text_default" />
+
+        <com.google.android.material.card.MaterialCardView
+            android:id="@+id/cvAllCategory"
+            android:layout_width="wrap_content"
+            android:layout_height="30dp"
+            android:backgroundTint="@color/colorPrimaryDark"
+            android:layout_marginLeft="15dp"
+            android:checkable="true"
+            android:clickable="true"
+            android:clipToPadding="true"
+            android:focusable="true"
+            app:cardCornerRadius="10dp"
+            app:layout_constraintBottom_toTopOf="@id/rvProducts"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/rectangle_4">
+
+            <RelativeLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:paddingHorizontal="15dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_centerInParent="true"
+                    android:gravity="center"
+                    android:text="all"
+                    android:textColor="#fff"
+                    android:textSize="18sp"
+                    tools:text="@tools:sample/lorem" />
+            </RelativeLayout>
+        </com.google.android.material.card.MaterialCardView>
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/rvCategory"
-            android:layout_width="match_parent"
+            android:layout_width="300dp"
             android:layout_height="wrap_content"
-            app:layout_constraintStart_toStartOf="parent"
+            android:layout_marginStart="8dp"
+            app:layout_constraintStart_toEndOf="@id/cvAllCategory"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/rectangle_4"
             app:layout_constraintBottom_toTopOf="@id/rvProducts"