Expose API Endpoint for creating bills on form submission

api/pom.xml

@@ -1,10 +1,11 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.openmrs.module</groupId>
 		<artifactId>mohbilling</artifactId>
-		<version>2.0.2-SNAPSHOT</version>
+		<version>2.0.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>mohbilling-api</artifactId>
 	<packaging>jar</packaging>
@@ -43,11 +44,11 @@
 			<version>5.5.13.3</version>
 		</dependency>
 		<dependency>
-            <groupId>org.openmrs.module</groupId>
-            <artifactId>legacyui-omod</artifactId>
-            <version>1.6.0</version>
-            <scope>provided</scope>
-        </dependency>
+			<groupId>org.openmrs.module</groupId>
+			<artifactId>legacyui-omod</artifactId>
+			<version>1.6.0</version>
+			<scope>provided</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.openmrs.module</groupId>
 			<artifactId>htmlformentry-api</artifactId>
@@ -85,6 +86,19 @@
 			<artifactId>commons-dbcp2</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>org.openmrs.module</groupId>
+			<artifactId>webservices.rest-omod-common</artifactId>
+			<version>${webservicesRestVersion}</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.openmrs.module</groupId>
+			<artifactId>webservices.rest-omod</artifactId>
+			<version>${webservicesRestVersion}</version>
+			<scope>provided</scope>
+		</dependency>
+
 	</dependencies>
 
 </project>

api/src/main/java/org/openmrs/module/mohbilling/db/BillingDAO.java

@@ -47,6 +47,19 @@ public interface BillingDAO {
 	 */
 	public PatientBill getPatientBill(Integer billId) throws DAOException;
 
+	/**
+	 * Gets paginated and ordered list of patient bills
+	 *
+	 * @param startIndex starting index for pagination
+	 * @param pageSize number of records per page
+	 * @param orderBy field to order by
+	 * @param orderDirection asc or desc
+	 * @return List<PatientBill> paginated and ordered list of bills
+	 * @throws DAOException
+	 */
+	public List<PatientBill> getPatientBillsByPagination(Integer startIndex, Integer pageSize, String orderBy, 
+		String orderDirection) throws DAOException;
+
 	/**
 	 * Gets all existing PatientBills
 	 * 

api/src/main/java/org/openmrs/module/mohbilling/db/hibernate/HibernateBillingDAO.java

@@ -96,6 +96,29 @@ public InsurancePolicy getInsurancePolicy(Integer cardId) {
         return (InsurancePolicy) sessionFactory.getCurrentSession().get(
                 InsurancePolicy.class, cardId);
     }
+    @Override
+    public List<PatientBill> getPatientBillsByPagination(Integer startIndex, Integer pageSize,
+        String orderBy, String orderDirection) throws DAOException {
+
+        Criteria criteria = sessionFactory.getCurrentSession()
+                .createCriteria(PatientBill.class)
+                .setFirstResult(startIndex)
+                .setMaxResults(pageSize);
+
+        // Add ordering
+        if (orderBy != null) {
+            if ("desc".equalsIgnoreCase(orderDirection)) {
+                criteria.addOrder(Order.desc(orderBy));
+            } else {
+                criteria.addOrder(Order.asc(orderBy));
+            }
+        } else {
+            // Default order by createdDate desc
+            criteria.addOrder(Order.desc("createdDate"));
+        }
+
+        return criteria.list();
+    }
 
     /**
      * @see org.openmrs.module.mohbilling.db.BillingDAO#getInsurancePolicyByCardNo(String)

api/src/main/java/org/openmrs/module/mohbilling/impl/BillingProcessingServiceImpl.java

@@ -0,0 +1,117 @@
+package org.openmrs.module.mohbilling.impl;
+
+import org.openmrs.Obs;
+import org.openmrs.Patient;
+import org.openmrs.User;
+import org.openmrs.api.context.Context;
+import org.openmrs.api.impl.BaseOpenmrsService;
+import org.openmrs.module.mohbilling.db.BillingDAO;
+import org.openmrs.module.mohbilling.model.*;
+import org.openmrs.module.mohbilling.service.BillingProcessingService;
+import org.openmrs.module.mohbilling.service.BillingService;
+import org.openmrs.module.mohbilling.utils.BillingUtils;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.util.Date;
+import java.util.List;
+
+@Service("billingProcessingService")
+@Transactional
+public class BillingProcessingServiceImpl extends BaseOpenmrsService implements BillingProcessingService {
+
+    private BillingDAO billingDAO;
+
+    public void setBillingDAO(BillingDAO billingDAO) {
+        this.billingDAO = billingDAO;
+    }
+
+    @Override
+    @Transactional(timeout = 30)
+    public PatientBill createBill(Patient patient, List<Obs> observations, String insuranceCardNumber) {
+        BillingService billingService = Context.getService(BillingService.class);
+
+        // Fetch insurance policy
+        InsurancePolicy insurancePolicy = billingService.getInsurancePolicyByCardNo(insuranceCardNumber);
+        if (insurancePolicy == null) {
+            throw new IllegalArgumentException("Insurance policy not found for the provided card number.");
+        }
+
+        // Generate service bills using BillingUtils
+        BigDecimal totalMaximaToPay = BigDecimal.ZERO;
+        List<PatientServiceBill> serviceBills = BillingUtils.generateServiceBills(observations, insurancePolicy);
+        for (PatientServiceBill psb : serviceBills) {
+            totalMaximaToPay = totalMaximaToPay.add(psb.getUnitPrice().multiply(psb.getQuantity()));
+        }
+
+        // Update the global bill
+        GlobalBill globalBill = billingService.getOpenGlobalBillByInsuranceCardNo(insurancePolicy.getInsuranceCardNo());
+        if (globalBill == null) {
+            throw new IllegalStateException("No open global bill found for the insurance card number.");
+        }
+        globalBill.setGlobalAmount(globalBill.getGlobalAmount().add(totalMaximaToPay));
+        billingService.saveGlobalBill(globalBill);
+
+        // Create and save patient bill
+        PatientBill patientBill = new PatientBill();
+        patientBill.setAmount(totalMaximaToPay);
+        patientBill.setCreator(Context.getAuthenticatedUser());
+        patientBill.setCreatedDate(new Date());
+        billingService.savePatientBill(patientBill);
+
+        // Save consommation
+        Consommation consommation = new Consommation();
+        consommation.setBeneficiary(billingService.getBeneficiaryByPolicyNumber(insuranceCardNumber));
+        consommation.setPatientBill(patientBill);
+        consommation.setGlobalBill(globalBill);
+        consommation.setCreatedDate(new Date());
+        consommation.setCreator(Context.getAuthenticatedUser());
+        billingService.saveConsommation(consommation);
+
+        // Attach bills to consommation
+        for (PatientServiceBill psb : serviceBills) {
+            psb.setConsommation(consommation);
+            billingService.saveBilledItem(psb);
+        }
+
+        return patientBill;
+    }
+
+    @Override
+    @Transactional(readOnly = true)
+    public PatientBill getPatientBillById(int id) {
+        return Context.getService(BillingService.class).getPatientBill(id);
+    }
+
+    @Override
+    @Transactional
+    public void voidPatientBill(PatientBill patientBill, User voidedBy, Date voidedDate, String voidReason) {
+        if (patientBill != null) {
+            patientBill.setVoided(true);
+            patientBill.setVoidedBy(voidedBy);
+            patientBill.setVoidedDate(voidedDate);
+            patientBill.setVoidReason(voidReason);
+            Context.getService(BillingService.class).savePatientBill(patientBill);
+        }
+    }
+
+    @Override
+    @Transactional
+    public PatientBill savePatientBill(PatientBill patientBill) {
+        return Context.getService(BillingService.class).savePatientBill(patientBill);
+    }
+
+    @Override
+    public List<PatientBill> getAllPatientBills() {
+    return Context.getService(BillingService.class).getAllPatientBills();
+    }
+
+    @Override
+    @Transactional(readOnly = true)
+    public List<PatientBill> getPatientBillsByPagination(Integer startIndex, Integer pageSize,
+            String orderBy, String orderDirection) {
+        return Context.getService(BillingService.class)
+                .getPatientBillsByPagination(startIndex, pageSize, orderBy, orderDirection);
+    }
+}

api/src/main/java/org/openmrs/module/mohbilling/impl/BillingServiceImpl.java

@@ -43,6 +43,12 @@ public void setBillingDAO(BillingDAO billingDAO) {
         this.billingDAO = billingDAO;
     }
 
+    @Override
+    @Transactional(readOnly = true)
+    public List<PatientBill> getPatientBillsByPagination(Integer startIndex, Integer pageSize, String orderBy, String orderDirection) throws DAOException {
+        return billingDAO.getPatientBillsByPagination(startIndex, pageSize, orderBy, orderDirection);
+    }
+
     /**
      * (non-Javadoc)
      *
@@ -112,13 +118,15 @@ public void saveInsurancePolicy(InsurancePolicy card) {
 
     /**
      * (non-Javadoc)
-     *
-     * @see org.openmrs.module.mohbilling.service.BillingService#savePatientBill(org.openmrs.module.mohbilling.model.PatientBill)
-     */
-    @Override
-    public void savePatientBill(PatientBill bill) {
+          * @return 
+          *
+          * @see org.openmrs.module.mohbilling.service.BillingService#savePatientBill(org.openmrs.module.mohbilling.model.PatientBill)
+          */
+         @Override
+         public PatientBill savePatientBill(PatientBill bill) {
 
         billingDAO.savePatientBill(bill);
+                return bill;
     }
 
     /**
@@ -1007,4 +1015,4 @@ public FacilityServicePrice getFacilityServiceByName(String name) {
     public InsuranceReport getBillItemsReportByCategory(Integer insuranceId, Date startDate, Date endDate) {
         return billingDAO.getBillItemsByCategoryFromMamba(insuranceId, startDate, endDate);
     }
-}
+}

api/src/main/java/org/openmrs/module/mohbilling/service/BillingProcessingService.java

@@ -0,0 +1,26 @@
+package org.openmrs.module.mohbilling.service;
+
+import org.openmrs.Obs;
+import org.openmrs.Patient;
+import org.openmrs.User;
+import org.openmrs.module.mohbilling.model.PatientBill;
+
+import java.util.Date;
+import java.util.List;
+
+public interface BillingProcessingService {
+    PatientBill createBill(Patient patient, List<Obs> observations, String insuranceCardNumber);
+    PatientBill getPatientBillById(int id);
+    void voidPatientBill(PatientBill patientBill, User voidedBy, Date voidedDate, String voidReason);
+    PatientBill savePatientBill(PatientBill patientBill);
+    List<PatientBill> getAllPatientBills();
+    /**
+     * Gets a paginated list of patient bills
+     * 
+     * @param startIndex starting index for pagination
+     * @param pageSize number of records per page
+     * @return List<PatientBill> paginated list of bills
+     */
+    List<PatientBill> getPatientBillsByPagination(Integer startIndex, Integer pageSize,
+        String orderBy, String orderDirection);
+}

api/src/main/java/org/openmrs/module/mohbilling/service/BillingService.java

@@ -40,7 +40,10 @@ public interface BillingService {
 	 * @throws DAOException
 	 */
 	public List<PatientBill> getAllPatientBills() throws DAOException;
-
+
+	List<PatientBill> getPatientBillsByPagination(Integer startIndex, Integer pageSize, 
+		String orderBy, String orderDirection) throws DAOException;
+
 	/**
 	 * Gets all existing Bill Payments
 	 * 
@@ -101,7 +104,7 @@ public InsurancePolicy getInsurancePolicy(Integer insurancePolicyId)
 	 * 
 	 * @throws DAOException
 	 */
-	public void savePatientBill(PatientBill bill) throws DAOException;
+	PatientBill savePatientBill(PatientBill bill) throws DAOException;
 
 
 

api/src/main/java/org/openmrs/module/mohbilling/utils/BillingUtils.java

@@ -0,0 +1,48 @@
+package org.openmrs.module.mohbilling.utils;
+
+import org.openmrs.Obs;
+import org.openmrs.module.mohbilling.model.BillableService;
+import org.openmrs.module.mohbilling.model.FacilityServicePrice;
+import org.openmrs.module.mohbilling.model.InsurancePolicy;
+import org.openmrs.module.mohbilling.model.PatientServiceBill;
+import org.openmrs.module.mohbilling.service.BillingService;
+import org.openmrs.api.context.Context;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BillingUtils {
+
+    /**
+     * Generates a list of PatientServiceBill objects from observations and an insurance policy.
+     *
+     * @param observations      The list of observations to process
+     * @param insurancePolicy   The insurance policy for the patient
+     * @return A list of PatientServiceBill objects
+     */
+    public static List<PatientServiceBill> generateServiceBills(List<Obs> observations, InsurancePolicy insurancePolicy) {
+        List<PatientServiceBill> serviceBills = new ArrayList<>();
+        BillingService billingService = Context.getService(BillingService.class);
+
+        for (Obs obs : observations) {
+            FacilityServicePrice facilityServicePrice = billingService.getFacilityServiceByConcept(obs.getConcept());
+            if (facilityServicePrice != null && !facilityServicePrice.isHidden()) {
+                BillableService billableService = billingService.getBillableServiceByConcept(facilityServicePrice, insurancePolicy.getInsurance());
+                if (billableService != null) {
+                    PatientServiceBill serviceBill = new PatientServiceBill();
+                    serviceBill.setService(billableService);
+                    serviceBill.setServiceDate(obs.getObsDatetime());
+                    serviceBill.setUnitPrice(billableService.getMaximaToPay());
+                    serviceBill.setQuantity(BigDecimal.ONE); // Default to 1 unless otherwise specified
+                    serviceBill.setCreatedDate(obs.getDateCreated());
+                    serviceBill.setCreator(obs.getCreator());
+                    serviceBill.setItemType(1); // Define appropriate item type
+                    serviceBills.add(serviceBill);
+                }
+            }
+        }
+
+        return serviceBills;
+    }
+}