CustomerActivity.java

package com.example.mampfmobil.ui;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

import com.example.mampfmobil.MainActivity;
import com.example.mampfmobil.R;

import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.fragment.NavHostFragment;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;
import com.example.mampfmobil.databinding.ActivityCustomerBinding;
import com.example.mampfmobil.databinding.ActivityDelivererBinding;
import com.example.mampfmobil.ui.Classes.ShopItem;
import com.example.mampfmobil.ui.Classes.Supplier;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Vector;

public class CustomerActivity extends AppCompatActivity {

private ActivityCustomerBinding binding;

    public static ArrayList<ShopItem> shopItemList = new ArrayList<>();



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d("myTag", "This is my Costumer");

        binding = ActivityCustomerBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());
        // Enable the back button in the ActionBar


        AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
                R.id.navigation_shop, R.id.navigation_shopping_cart, R.id.navigation_orders)
                .build();
        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_customer);
        NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
        NavigationUI.setupWithNavController(binding.navView1, navController);
        // Enable the back button in the ActionBar
        ActionBar actionBar = getSupportActionBar();
        if (actionBar != null) {
            actionBar.setDisplayHomeAsUpEnabled(true);
        }



    }

    @Override
    public boolean onSupportNavigateUp() {
        Intent intent = new Intent(this, MainActivity.class);
        startActivity(intent);
        return true; // true zurückgeben, um anzugeben, dass die Aktion behandelt wurde
    }

    public static void setupShop(){
        shopItemList.clear();
        Vector<Supplier> suppliers = MampfMobil.suppliers;
        for(ShopItem si:MampfMobil.currentCustomer.favoriten){
            shopItemList.add(si);
        }

        for(Supplier s: suppliers){
            for(ShopItem si: s.shopItems){
                if(!shopItemList.contains(si)){
                    shopItemList.add(si);
                }
            }
        }

    }
    public static void setupShop(String inputString){
        shopItemList.clear();
        Vector<Supplier> suppliers = MampfMobil.suppliers;

        for(ShopItem si:MampfMobil.currentCustomer.favoriten){
            if(si.item.name.contains(inputString)){
                shopItemList.add(si);
            }
        }

        for(Supplier s: suppliers){
            for(ShopItem si: s.shopItems){
                if(si.item.name.contains(inputString) && !shopItemList.contains(si)){
                    shopItemList.add(si);
                }
            }
        }

    }


    public static void setupShop(Supplier supplier){
        shopItemList.clear();
        Vector<Supplier> suppliers = MampfMobil.suppliers;

        for(ShopItem si:MampfMobil.currentCustomer.favoriten){
            if(si.item.supplier == supplier){
                shopItemList.add(si);
            }
        }

        for(Supplier s: suppliers){
            for(ShopItem si: s.shopItems){
                if(si.item.supplier == supplier && !shopItemList.contains(si)){
                    shopItemList.add(si);
                }
            }
        }

    }

    public static void sortShop(String inputString, Context context) {

        if (inputString.equals(context.getString(R.string.price))) {
            Collections.sort(shopItemList, new Comparator<ShopItem>() {
                @Override
                public int compare(ShopItem item1, ShopItem item2) {
                    return Double.compare(item1.item.price, item2.item.price);
                }
            });
            ArrayList<ShopItem> rearrangedList = new ArrayList<>();
            for(ShopItem sI : shopItemList){
                boolean fav = false;
                for (ShopItem favorit : MampfMobil.currentCustomer.favoriten) {
                    if (sI == favorit) {
                        fav = true;
                        break;  // Exit the inner loop since a match is found
                    }
                }

                if (fav) {
                    rearrangedList.add(0, sI); // Add the item to the beginning of the rearrangedList
                } else {
                    rearrangedList.add(sI); // Add the item to the end of the rearrangedList
                }
            }
            shopItemList.clear();
            shopItemList.addAll(rearrangedList);
        }
        if (inputString.equals(context.getString(R.string.restamount))) {
            Collections.sort(shopItemList, new Comparator<ShopItem>() {
                @Override
                public int compare(ShopItem item1, ShopItem item2) {
                    return Double.compare( item2.quantity,item1.quantity);
                }
            });
            ArrayList<ShopItem> rearrangedList = new ArrayList<>();
            for(ShopItem sI : shopItemList){
                boolean fav = false;
                for (ShopItem favorit : MampfMobil.currentCustomer.favoriten) {
                    if (sI == favorit) {
                        fav = true;
                        break;  // Exit the inner loop since a match is found
                    }
                }

                if (fav) {
                    rearrangedList.add(0, sI); // Add the item to the beginning of the rearrangedList
                } else {
                    rearrangedList.add(sI); // Add the item to the end of the rearrangedList
                }
            }
            shopItemList.clear();
            shopItemList.addAll(rearrangedList);
        }
        if (inputString.equals(context.getString(R.string.name))) {

            Collections.sort(shopItemList, new Comparator<ShopItem>() {
                @Override
                public int compare(ShopItem item1, ShopItem item2) {
                    return item1.item.name.compareTo(item2.item.name);
                }
            });
            ArrayList<ShopItem> rearrangedList = new ArrayList<>();
            for(ShopItem sI : shopItemList){
                boolean fav = false;
                for (ShopItem favorit : MampfMobil.currentCustomer.favoriten) {
                    if (sI == favorit) {
                        fav = true;
                        break;  // Exit the inner loop since a match is found
                    }
                }

                if (fav) {
                    rearrangedList.add(0, sI); // Add the item to the beginning of the rearrangedList
                } else {
                    rearrangedList.add(sI); // Add the item to the end of the rearrangedList
                }
            }
            shopItemList.clear();
            shopItemList.addAll(rearrangedList);
        }

    }

    @Override
    protected void onStop() {
        Log.d("myTag", "SAVED PERSISTANT");
        MampfMobil.savePersistant();
        super.onStop();
    }
}