org.openmrs.module.billing.web.controller.main.TenderBillAddController.java Source code

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Here is the source code for org.openmrs.module.billing.web.controller.main.TenderBillAddController.java

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/**
 *  Copyright 2009 Society for Health Information Systems Programmes, India (HISP India)
 *
 *  This file is part of Billing module.
 *
 *  Billing module 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.
    
 *  Billing module 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 Billing module.  If not, see <http://www.gnu.org/licenses/>.
 *
 **/

package org.openmrs.module.billing.web.controller.main;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.api.context.Context;
import org.openmrs.module.hospitalcore.BillingService;
import org.openmrs.module.hospitalcore.model.Company;
import org.openmrs.module.hospitalcore.model.Tender;
import org.openmrs.module.hospitalcore.model.TenderBill;
import org.openmrs.module.hospitalcore.model.TenderBillItem;
import org.openmrs.module.hospitalcore.util.Money;
import org.openmrs.web.WebConstants;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
@RequestMapping("/module/billing/addTenderBill.form")
public class TenderBillAddController {
    Log log = LogFactory.getLog(getClass());

    @RequestMapping(method = RequestMethod.POST)
    public String onSubmit(Model model, @RequestParam("companyId") Integer companyId,
            @RequestParam("tenderIds") Integer[] tenderIds, HttpServletRequest request, Object command,
            BindingResult binding) {

        validateQty(tenderIds, binding, request);
        if (binding.hasErrors()) {
            model.addAttribute("errors", binding.getAllErrors());
            return "module/billing/main/tenderBillAdd";
        }

        BillingService billingService = (BillingService) Context.getService(BillingService.class);

        Company company = billingService.getCompanyById(companyId);

        TenderBill tenderBill = new TenderBill();
        tenderBill.setCompany(company);
        tenderBill.setCreatedDate(new Date());
        tenderBill.setCreator(Context.getAuthenticatedUser());

        Tender tender = null;
        int quantity = 0;
        Money itemAmount;
        Money totalAmount = new Money(BigDecimal.ZERO);
        for (Integer id : tenderIds) {

            tender = billingService.getTenderById(id);
            quantity = Integer.parseInt(request.getParameter(id + "_qty"));
            itemAmount = new Money(tender.getPrice());
            itemAmount = itemAmount.times(quantity);
            totalAmount = totalAmount.plus(itemAmount);

            TenderBillItem item = new TenderBillItem();
            item.setName(tender.getName() + "_" + tender.getNumber());
            item.setCreatedDate(new Date());
            item.setTender(tender);
            item.setUnitPrice(tender.getPrice());
            item.setQuantity(quantity);
            item.setTenderBill(tenderBill);
            item.setAmount(itemAmount.getAmount());
            tenderBill.addBillItem(item);
        }
        tenderBill.setAmount(totalAmount.getAmount());
        tenderBill.setReceipt(billingService.createReceipt());
        tenderBill = billingService.saveTenderBill(tenderBill);

        return "redirect:/module/billing/tenderBill.list?companyId=" + companyId + "&tenderBillId="
                + tenderBill.getTenderBillId();
    }

    @RequestMapping(method = RequestMethod.GET)
    public String displayForm(@ModelAttribute("command") Object command,
            @RequestParam("companyId") Integer companyId, HttpServletRequest request, Model model) {

        BillingService billingService = (BillingService) Context.getService(BillingService.class);

        List<Tender> listTender = billingService.getActiveTenders();

        if (listTender == null || listTender.size() == 0) {
            request.getSession().setAttribute(WebConstants.OPENMRS_MSG_ATTR, "No Tender Service found.");
        } else {
            model.addAttribute("listTender", listTender);
        }
        model.addAttribute("companyId", companyId);
        return "module/billing/main/tenderBillAdd";
    }

    private void validateQty(Integer[] ids, BindingResult binding, HttpServletRequest request) {
        for (int id : ids) {
            try {
                Integer.parseInt(request.getParameter(id + "_qty"));
            } catch (Exception e) {
                binding.reject("billing.bill.quantity.invalid", "Quantity is invalid");
                return;
            }

        }
    }

}