Candidate code challenge

pom.xml

@@ -49,6 +49,15 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+	        <groupId>org.junit.jupiter</groupId>
+	        <artifactId>junit-jupiter-engine</artifactId>
+	        <scope>test</scope>
+		</dependency>		
 	</dependencies>
 
 	<build>
@@ -57,6 +66,17 @@
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-maven-plugin</artifactId>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+	            <dependencies>
+	               <dependency>
+	                   <groupId>org.junit.jupiter</groupId>
+	                   <artifactId>junit-jupiter-engine</artifactId>
+	                   <version>5.3.2</version>
+	               </dependency>
+	            </dependencies>
+			</plugin>
 		</plugins>
 	</build>
 

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

@@ -0,0 +1,24 @@
+package com.zoomcare.candidatechallenge.controllers;
+
+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.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import com.zoomcare.candidatechallenge.model.EmployeeDto;
+
+@RequestMapping("/employee")
+public interface EmployeeController {
+
+	@GetMapping("/")
+	ResponseEntity<Object> getAll();
+
+	@GetMapping("/{id}")
+	ResponseEntity<Object> getById(@PathVariable Long id);
+
+	@PostMapping("/")
+	ResponseEntity<Object> addEmployee(@RequestBody EmployeeDto employee);
+
+}

src/main/java/com/zoomcare/candidatechallenge/controllers/EmployeeControllerImpl.java

@@ -0,0 +1,103 @@
+package com.zoomcare.candidatechallenge.controllers;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.zoomcare.candidatechallenge.entity.Employee;
+import com.zoomcare.candidatechallenge.entity.Property;
+import com.zoomcare.candidatechallenge.model.EmployeeDto;
+import com.zoomcare.candidatechallenge.service.EmployeeService;
+
+@RestController
+@RequestMapping("/employee")
+public class EmployeeControllerImpl implements EmployeeController {
+
+	@Autowired
+	private EmployeeService employeeService;
+
+	@Override
+	public ResponseEntity<Object> getAll() {
+		List<Map<String, Object>> response = new ArrayList<Map<String,Object>>();
+
+		List<Employee> employees = employeeService.getAllEmployees();
+
+		employees.forEach(employee -> {
+			Map<String, Object> resp = new HashMap<String, Object>();
+			resp.putAll(getSupervisorData(employee));
+			response.add(resp);
+		});
+
+		return new ResponseEntity<>(response, HttpStatus.OK);
+	}
+
+	@Override
+	public ResponseEntity<Object> getById(Long id) {
+		//First fetch the employee properties
+		Employee employee = employeeService.findEmployeeById(id);
+
+		Map<String, Object> response = new HashMap<String, Object>();
+		response.putAll(getSupervisorData(employee));
+
+		return new ResponseEntity<>(response, HttpStatus.OK);
+	}
+
+	private Map<String, Object> getSupervisorData(Employee employee) {
+		Map<String, Object> resp = new HashMap<String, Object>();
+
+		//EmployeeResponse response = new EmployeeResponse();
+		resp.putAll(getEmployeeData(employee));
+		List<Map<String, Object>> listEmployees = new ArrayList<Map<String,Object>>();
+
+		//then fetch the employees under supervision of current employee
+		List<Employee> supervised = employeeService.findBySupervisorId(employee.getId());
+		if (!supervised.isEmpty()) {
+			supervised.forEach(emp -> {
+				listEmployees.add(getEmployeeData(emp));
+			});
+
+			resp.put("employees", listEmployees);
+		}
+		return resp;
+	}
+
+	private Map<String, Object> getEmployeeData(Employee employee) {
+		Map<String, Object> response = new HashMap<String, Object>();
+
+		response.put("id", employee.getId());
+		Map<String, String> properties = new HashMap<String, String>();
+		employee.getProperties().forEach(prop -> {
+			properties.put(prop.getKey(), prop.getValue());
+		});
+
+		response.putAll(properties);
+
+		return response;
+	}
+
+	@Override
+	public ResponseEntity<Object> addEmployee(EmployeeDto empl) {
+		System.out.println("Empl" +  empl);
+		Employee employee = new Employee();
+		employee.setSupervisorId(empl.getSupervisorId());
+		List<Property> properties = new ArrayList<Property>();
+		empl.getProperties().forEach(prop -> {
+			Property property = new Property();
+			property.setKey(prop.getKey());
+			property.setValue(prop.getValue());
+			property.setEmployee(employee);
+			properties.add(property);
+		});		
+		employee.setProperties(properties);
+
+		Employee added = employeeService.save(employee);
+
+		return new ResponseEntity<>("Added succesfully with ID: " + added.getId(), HttpStatus.OK);
+	}
+
+}

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

@@ -0,0 +1,58 @@
+package com.zoomcare.candidatechallenge.entity;
+
+import java.util.List;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToMany;
+
+@Entity
+public class Employee {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@Column(name = "supervisor_id")
+	private Long supervisorId;
+
+	@JoinColumn(name = "employee_id")
+	@OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+	private List<Property> properties;
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public Long getSupervisorId() {
+		return supervisorId;
+	}
+
+	public void setSupervisorId(Long supervisorId) {
+		this.supervisorId = supervisorId;
+	}
+
+	public List<Property> getProperties() {
+		return properties;
+	}
+
+	public void setProperties(List<Property> properties) {
+		this.properties = properties;
+	}
+
+	@Override
+	public String toString() {
+		return "Employee [id=" + id + ", supervisorId=" + supervisorId + ", properties=" + properties + "]";
+	}
+
+}

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

@@ -0,0 +1,44 @@
+package com.zoomcare.candidatechallenge.entity;
+
+import java.io.Serializable;
+
+public class EmployeeId implements Serializable {
+
+	private static final long serialVersionUID = 1268563792164235735L;
+
+	private String key;
+
+	private Employee employee;
+
+	public EmployeeId() {
+	}
+
+	public Employee getEmployee() {
+		return employee;
+	}
+
+
+	public void setEmployee(Employee employee) {
+		this.employee = employee;
+	}
+
+
+	public String getKey() {
+		return key;
+	}
+
+	public void setKey(String key) {
+		this.key = key;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		return super.equals(obj);
+	}
+
+	@Override
+	public int hashCode() {
+		return super.hashCode();
+	}
+
+}

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

@@ -0,0 +1,51 @@
+package com.zoomcare.candidatechallenge.entity;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.IdClass;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+@Entity
+@IdClass(value = EmployeeId.class)
+public class Property {
+
+	@Id
+	@Column(name = "key")
+	private String key;
+
+	@ManyToOne
+	@JoinColumn(name = "employee_id")
+	@JsonIgnore
+    private Employee employee;
+
+	@Column(name = "value")
+	private String value;
+
+	public String getValue() {
+		return value;
+	}
+
+	public void setValue(String value) {
+		this.value = value;
+	}
+
+	public Employee getEmployee() {
+		return employee;
+	}
+
+	public void setEmployee(Employee employee) {
+		this.employee = employee;
+	}
+
+	public String getKey() {
+		return key;
+	}
+
+	public void setKey(String key) {
+		this.key = key;
+	}
+}

src/main/java/com/zoomcare/candidatechallenge/exception/EmployeeNotFoundException.java

@@ -0,0 +1,7 @@
+package com.zoomcare.candidatechallenge.exception;
+
+public class EmployeeNotFoundException extends RuntimeException {
+
+	private static final long serialVersionUID = 8826523028693639120L;
+
+}

src/main/java/com/zoomcare/candidatechallenge/exception/EmployeeProductExceptionController.java

@@ -0,0 +1,16 @@
+package com.zoomcare.candidatechallenge.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+@ControllerAdvice
+public class EmployeeProductExceptionController {
+
+	@ExceptionHandler(value = EmployeeNotFoundException.class)
+   public ResponseEntity<Object> exception(EmployeeNotFoundException exception) {
+      return new ResponseEntity<>("Employee not found", HttpStatus.NOT_FOUND);
+   }
+
+}

src/main/java/com/zoomcare/candidatechallenge/model/EmployeeDto.java

@@ -0,0 +1,40 @@
+package com.zoomcare.candidatechallenge.model;
+
+import java.util.List;
+
+public class EmployeeDto {
+
+	private Long id;
+	private Long supervisorId;
+	private List<PropertyDto> properties;
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public Long getSupervisorId() {
+		return supervisorId;
+	}
+
+	public void setSupervisorId(Long supervisorId) {
+		this.supervisorId = supervisorId;
+	}
+
+	public List<PropertyDto> getProperties() {
+		return properties;
+	}
+
+	public void setProperties(List<PropertyDto> properties) {
+		this.properties = properties;
+	}
+
+	@Override
+	public String toString() {
+		return "EmployeeDto [id=" + id + ", supervisorId=" + supervisorId + ", properties=" + properties + "]";
+	}
+
+}