Payal Pandey- Code Challenge

pom.xml

@@ -25,7 +25,7 @@
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-data-jdbc</artifactId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -49,7 +49,20 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.modelmapper</groupId>
+            <artifactId>modelmapper-module-jsr310</artifactId>
+            <version>1.2.2</version>
+        </dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<version>1.18.24</version>
+			<scope>provided</scope>
+		</dependency>
+
+    </dependencies>
 
 	<build>
 		<plugins>

src/main/java/com/zoomcare/candidatechallenge/BO/EmployeeBO.java

@@ -0,0 +1,17 @@
+package com.zoomcare.candidatechallenge.BO;
+
+import com.zoomcare.candidatechallenge.entity.Property;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.List;
+import java.util.Set;
+
+@Getter
+@Setter
+public class EmployeeBO {
+    private Long id ;
+    private List<PropertyBO> properties ;
+    private Set<EmployeeBO> employeeDirectReportee;
+
+}

src/main/java/com/zoomcare/candidatechallenge/BO/PropertyBO.java

@@ -0,0 +1,11 @@
+package com.zoomcare.candidatechallenge.BO;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class PropertyBO {
+    private String key ;
+    private String value ;
+}

src/main/java/com/zoomcare/candidatechallenge/controller/EmployeeController.java

@@ -0,0 +1,39 @@
+package com.zoomcare.candidatechallenge.controller;
+
+import com.zoomcare.candidatechallenge.BO.EmployeeBO;
+import com.zoomcare.candidatechallenge.entity.Employee;
+import com.zoomcare.candidatechallenge.service.EmployeeServices;
+import org.modelmapper.ModelMapper;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+@RequestMapping("/api/employees/v1")
+public class EmployeeController {
+    EmployeeServices employeeServices ;
+    ModelMapper mapper;
+    public EmployeeController (EmployeeServices employeeServices ,ModelMapper mapper ){
+        this.employeeServices = employeeServices;
+        this.mapper= mapper;
+    }
+
+    @GetMapping(path = "/{empId}",produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<EmployeeBO> getEmployeeById(@PathVariable(value="empId") Long employeeId) {
+        Employee employee = employeeServices.getEmployeebyId(employeeId);
+        EmployeeBO employeeBO= mapper.map(employee, EmployeeBO.class);
+        return ResponseEntity.ok(employeeBO);
+    }
+    @GetMapping(path = "/topLevelEmployees",produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<List<EmployeeBO>> getTopLevelEmployees() {
+        List<Employee> topLevelEmployees = employeeServices.getTopLevelEmployee();
+        List<EmployeeBO> topLevelEmployeesBO = topLevelEmployees.stream().map(e -> mapper.map(e, EmployeeBO.class)).collect(Collectors.toList());
+        return ResponseEntity.ok(topLevelEmployeesBO);
+    }
+}

src/main/java/com/zoomcare/candidatechallenge/entity/Employee.java

@@ -0,0 +1,26 @@
+package com.zoomcare.candidatechallenge.entity;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.util.List;
+import java.util.Set;
+
+@Entity
+@Table(name="employee")
+@Getter
+@Setter
+public class Employee {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id ;
+    @ManyToOne
+    Employee supervisor ;
+    @OneToMany
+    @JoinColumn(name="employee_id")
+    List<Property> properties ;
+    @OneToMany(mappedBy = "supervisor")
+    Set<Employee> employeeDirectReportee;
+
+}

src/main/java/com/zoomcare/candidatechallenge/entity/Property.java

@@ -0,0 +1,23 @@
+package com.zoomcare.candidatechallenge.entity;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name="property")
+@IdClass(PropertyKey.class)
+@Getter
+@Setter
+public class Property {
+    @Id
+    @Column(name ="employee_id")
+    Long employeeId ;
+    @Id
+    @Column(name="key")
+    String key ;
+    @Column(name="value")
+    String value ;
+
+}

src/main/java/com/zoomcare/candidatechallenge/entity/PropertyKey.java

@@ -0,0 +1,17 @@
+package com.zoomcare.candidatechallenge.entity;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+@Getter
+@Setter
+@EqualsAndHashCode
+public class PropertyKey implements Serializable {
+    private Long employeeId;
+    private String key;
+
+}

src/main/java/com/zoomcare/candidatechallenge/repository/EmployeeRepository.java

@@ -0,0 +1,12 @@
+package com.zoomcare.candidatechallenge.repository;
+
+import com.zoomcare.candidatechallenge.entity.Employee;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface EmployeeRepository extends JpaRepository<Employee ,Long > {
+    List<Employee> findAllBySupervisorIsNull();
+}

src/main/java/com/zoomcare/candidatechallenge/service/EmployeeServices.java

@@ -0,0 +1,26 @@
+package com.zoomcare.candidatechallenge.service;
+
+import com.zoomcare.candidatechallenge.entity.Employee;
+import com.zoomcare.candidatechallenge.repository.EmployeeRepository;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class EmployeeServices {
+
+    EmployeeRepository employeeRepository;
+    public EmployeeServices(EmployeeRepository employeeRepository) {
+        this.employeeRepository = employeeRepository;
+    }
+
+    public Employee getEmployeebyId(Long id) {
+        Employee dummy = new Employee();
+        dummy.setId(189635L);
+        return employeeRepository.findById(id).orElse(dummy);
+    }
+    public List<Employee> getTopLevelEmployee() {
+        return employeeRepository.findAllBySupervisorIsNull();
+    }
+
+}

src/main/java/com/zoomcare/candidatechallenge/util/ConfigurationOfMapper.java

@@ -0,0 +1,14 @@
+package com.zoomcare.candidatechallenge.util;
+
+import org.modelmapper.ModelMapper;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ConfigurationOfMapper {
+    @Bean
+    public ModelMapper getModelMapper() {
+        ModelMapper mapper = new ModelMapper();
+        return mapper;
+    }
+}