Android Open Source - myglob Invoice Fragment

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
 * MyGlob Android Application//w  w  w  . j  a va 2  s  .c  om
 * 
 * Copyright (C) 2013 Petar Petrov
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package net.vexelon.myglob.fragments;

import java.math.BigDecimal;
import java.util.Calendar;
import java.util.List;
import java.util.Map;

import net.vexelon.mobileops.GLBInvoiceXMLParser;
import net.vexelon.myglob.R;
import net.vexelon.myglob.actions.ActionExecuteException;
import net.vexelon.myglob.actions.ActionResult;
import net.vexelon.myglob.actions.InvoiceLoadCachedAction;
import net.vexelon.myglob.actions.InvoiceUpdateAction;
import net.vexelon.myglob.configuration.Defs;
import net.vexelon.myglob.configuration.GlobalSettings;
import net.vexelon.myglob.users.User;
import net.vexelon.myglob.users.UsersManager;
import net.vexelon.myglob.utils.Utils;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TableLayout;
import android.widget.TextView;
import android.widget.Toast;

public class InvoiceFragment extends BaseFragment {
  // unique ID  
  public static final int TAB_ID = 1;
  
  private boolean isUpdated = false;
  
  public static InvoiceFragment newInstance() {
    InvoiceFragment fragment = new InvoiceFragment();

        Bundle args = new Bundle();
        fragment.setArguments(args);
        
        return fragment;    
  }
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
      if (Defs.LOG_ENABLED)
        Log.v(Defs.LOG_TAG, "InvoiceFragment.onCreate()");
      
    super.onCreate(savedInstanceState);
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
      if (Defs.LOG_ENABLED)
        Log.v(Defs.LOG_TAG, "InvoiceFragment.onCreateView()");
        
    View v = inflater.inflate(R.layout.invoice, container, false);
    return v;
  }
  
  @Override
  public void onStart() {
    initInvoiceView();
    super.onStart();
  }
  
    @Override
    public void onSaveInstanceState(Bundle outState) {
      if (Defs.LOG_ENABLED)
        Log.v(Defs.LOG_TAG, "InvoiceFragment.onSaveInstanceState");
      
      super.onSaveInstanceState(outState);
      setUserVisibleHint(true);
    }  
  
  @SuppressWarnings("unchecked")
  private void initInvoiceView() {
    View v = getView();
    
    TableLayout table_invoice = (TableLayout) v.findViewById(R.id.table_invoice);
    table_invoice.setVisibility(View.GONE);
    
    TextView tv = (TextView) v.findViewById(R.id.tv_invoice_status_nodata);
    tv.setVisibility(View.VISIBLE);
    
    try {
      User user = UsersManager.getInstance().getUserByPhoneNumber(
          GlobalSettings.getInstance().getLastSelectedPhoneNumber());
      if (user != null) {
        ActionResult actionResult = new InvoiceLoadCachedAction(this.getActivity(), user)
            .execute();
        
        updateInvoiceView(user, (List<Map<String, String>>) actionResult.getListResult());
      }
    } catch (ActionExecuteException e) {
      if (Defs.LOG_ENABLED) {
        Log.d(Defs.LOG_TAG, "Failed loading invoice cache!", e);
      }
      // Simply skip view updates until user updates manually ...
    }    
  }
  
  private BigDecimal valOrZero(String value) {
    BigDecimal result = new BigDecimal("0.00");
    try {
      result = new BigDecimal(value);
    } catch (NumberFormatException e) {
      Log.w(Defs.LOG_TAG, "Failed to get decimal value from " + value + "!", e);
    }
    return result;
  }
  
    private void updateInvoiceView(User user, List<Map<String, String>> results) {
      if (Defs.LOG_ENABLED) 
        Log.v(Defs.LOG_TAG, "Updating invoice for: " + user.getPhoneNumber());
      
      View v = getView();
      boolean found = false;
      
      for (Map<String, String> map : results) {
      if (map.containsKey(GLBInvoiceXMLParser.TAG_MSISDN)) {
        String value = map.get(GLBInvoiceXMLParser.TAG_MSISDN);
//        String userPhone = user.getPhoneNumber();
//        if (value.endsWith(userPhone.substring(userPhone.length() - 6, userPhone.length()))) {
        if (value.trim().length() == 0) {
          // invoice info
            setText(v, R.id.tv_invoice_num, map.get(GLBInvoiceXMLParser.TAG_INVNUM));
            
            Calendar calendar = Calendar.getInstance();
            calendar.setTimeInMillis(Long.parseLong(map.get(GLBInvoiceXMLParser.TAG_DATE)));            
            setText(v, R.id.tv_invoice_date, Defs.globalDateFormat.format(calendar.getTime()));
            // costs
            BigDecimal servicesCharge = new BigDecimal("0.00");
            BigDecimal discounts = new BigDecimal("0.00");
            try {
              // solve discounts amount
              BigDecimal discount = valOrZero(map.get(GLBInvoiceXMLParser.TAG_DISCOUNT));
              BigDecimal discountPackage = valOrZero(map.get(GLBInvoiceXMLParser.TAG_DISCOUNT_PACKAGE));
              BigDecimal discountLoyality = valOrZero(map.get(GLBInvoiceXMLParser.TAG_DISCOUNT_LOYALITY));
              BigDecimal discountUBB = valOrZero(map.get(GLBInvoiceXMLParser.TAG_DISCOUNT_GLOBUL_UBB));
              discounts = discounts
                  .add(discount)
                  .add(discountPackage)
                  .add(discountLoyality)
                  .add(discountUBB);
              
              // solve services costs
              BigDecimal fixedCharge = valOrZero(map.get(GLBInvoiceXMLParser.TAG_FIXED_CHARGE));
//              BigDecimal discounts = new BigDecimal(map.get(GLBInvoiceXMLParser.TAG_DISCOUNT));
              BigDecimal totalNoVAT = valOrZero(map.get(GLBInvoiceXMLParser.TAG_TOTAL_NO_VAT));
              servicesCharge = totalNoVAT
                  .subtract(discounts)
                  .subtract(fixedCharge);
              
            } catch (Exception e) {
              Log.e(Defs.LOG_TAG, "Failed to get decimal prices info!", e);
              /*
               * XXX
               * It would be better to throw exception at this point!
               */
              discounts = new BigDecimal(map.get(GLBInvoiceXMLParser.TAG_DISCOUNT));
            }
            setText(v, R.id.tv_invoice_services, servicesCharge.toPlainString());
            setText(v, R.id.tv_invoice_fixed_charge, map.get(GLBInvoiceXMLParser.TAG_FIXED_CHARGE));
            setText(v, R.id.tv_invoice_discount, discounts.toPlainString());
            // totals
            setText(v, R.id.tv_invoice_tot_no_vat, map.get(GLBInvoiceXMLParser.TAG_TOTAL_NO_VAT));
            setText(v, R.id.tv_invoice_vat, map.get(GLBInvoiceXMLParser.TAG_VAT));
            setText(v, R.id.tv_invoice_totvat, map.get(GLBInvoiceXMLParser.TAG_TOTALVAT));
            // amount dues
            setText(v, R.id.tv_invoice_prev_amountdue, map.get(GLBInvoiceXMLParser.TAG_PREV_AMOUNTDUE));
            setText(v, R.id.tv_invoice_paied_amountdue, map.get(GLBInvoiceXMLParser.TAG_PAID_AMOUNTDUE));
            setText(v, R.id.tv_invoice_total_dueamount, map.get(GLBInvoiceXMLParser.TAG_TOTAL_DUEAMOUNT));    
          
            found = true;
            break;
        }
      }
    }
      
      if (!found) {
        // empty MSISDN was not found!
        setText(v, R.id.tv_invoice_status_nodata, R.string.text_invoice_invalid);
      } else {
        TextView tv = (TextView) v.findViewById(R.id.tv_invoice_status_nodata);
        tv.setVisibility(View.GONE);
        
          TableLayout table_invoice = (TableLayout) v.findViewById(R.id.table_invoice);
        table_invoice.setVisibility(View.VISIBLE);        
      }

      setUpdated(true);
    }
  
    @SuppressWarnings("unchecked")
  public void update() {
    if (Defs.LOG_ENABLED)
      Log.d(Defs.LOG_TAG, "Updating invoice ...");
    
    final FragmentActivity activity = getActivity();
    
    if (UsersManager.getInstance().size() > 0) {

      // show progress
      final ProgressDialog myProgress = ProgressDialog.show(activity, 
          getResString(R.string.dlg_progress_title), 
          getResString(R.string.dlg_progress_message), 
          true);

      new Thread() {
        public void run() {
          try {
            final User user = UsersManager.getInstance().getUserByPhoneNumber(
                GlobalSettings.getInstance().getLastSelectedPhoneNumber());
            
            final ActionResult actionResult = new InvoiceUpdateAction(activity, user)
                .execute();
            
            // update text field
            activity.runOnUiThread(new Runnable() {

              @Override
              public void run() {
                updateInvoiceView(user, (List<Map<String, String>>)actionResult.getListResult());
                // notify listeners that invoice was updated
                for(IFragmentEvents listener : listeners) {
                  listener.onFEvent_InvoiceUpdated(user);                  
                }
              }
            });
            
            // close progress bar dialog
            activity.runOnUiThread(new Runnable() {
              @Override
              public void run() {
                myProgress.dismiss();
              }
            });              
            
          } catch (ActionExecuteException e) {
            Log.e(Defs.LOG_TAG, "Error updating invoice!", e);
            
            // close progress bar dialog
            activity.runOnUiThread(new Runnable() {
              @Override
              public void run() {
                myProgress.dismiss();
              }
            });              
            
            // Show error dialog
            if (e.isErrorResIdAvailable()) {
              Utils.showAlertDialog(activity, e.getErrorResId(), e.getErrorTitleResId());
            } else {
              Utils.showAlertDialog(activity, e.getMessage(), getResString(e.getErrorTitleResId()));
            }            
          }
        };
      }.start();
    } else  {
      // show add user screen
      Toast.makeText(this.getActivity().getApplicationContext(), 
          R.string.text_account_add_new, Toast.LENGTH_SHORT).show();

    }    
  }
  
  public boolean isUpdated() {
    return isUpdated;
  }

  public void setUpdated(boolean isUpdated) {
    this.isUpdated = isUpdated;
  }  
  
  @Override
  public void onFEvent_UserChanged() {
    initInvoiceView();
  }
}
Java Source Code List
