Anusha Project Java

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

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+package com.zoomcare.candidatechallenge.controller;
+
+import com.zoomcare.candidatechallenge.dto.EmployeeDto;
+import com.zoomcare.candidatechallenge.service.EmployeeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class EmployeeController
+{
+    @Autowired
+    private EmployeeService employeeService;
+
+//get specific employee details based on id
+    @GetMapping(value="/api/employee/id/{id}")
+    @ResponseStatus(HttpStatus.OK)
+    EmployeeDto getEmployee(@PathVariable(name="id") Long id){
+return employeeService.getEmployee(id);
+    }
+
+//get list of top level employees
+    @GetMapping(value="/api/employee/topLevel")
+    @ResponseStatus(HttpStatus.OK)
+    List<EmployeeDto> getTopLevelEmployeeList(){
+        return employeeService.getTopLevelEmployeeList();
+    }
+}

src/main/java/com/zoomcare/candidatechallenge/dao/EmployeeDao.java

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+package com.zoomcare.candidatechallenge.dao;
+
+import com.zoomcare.candidatechallenge.dto.EmployeeDto;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+//Data Access Object class for Employee table
+@Repository("Employee")
+public class EmployeeDao{
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+private PropertiesDao propertiesDao;
+
+    public EmployeeDao(PropertiesDao propertiesDao, JdbcTemplate jdbcTemplate) {
+        this.propertiesDao = propertiesDao;
+        this.jdbcTemplate = jdbcTemplate;
+    }
+    private static final String TOP_LEVEL_QUERY = "Select * from employee where supervisor_id is null";
+
+    public List<EmployeeDto> getTopLevelEmployees() {
+        List<EmployeeDto> employees = jdbcTemplate.query(TOP_LEVEL_QUERY , ROW_MAPPER_EMP);
+        for(EmployeeDto emp:employees) {
+            emp.setEmployeeProperties(propertiesDao.getEmployeeProperties(emp.getEmployeeId()));
+        }
+        for(EmployeeDto emp:employees) {
+            emp.setDirectReports(getDirectReports(emp.getEmployeeId()));
+        }
+        return employees;
+    }
+
+    public EmployeeDto getEmployeeById(Long employeeId) {
+        EmployeeDto emp = new EmployeeDto(employeeId);
+        emp.setEmployeeId(employeeId);
+        emp.setEmployeeProperties(propertiesDao.getEmployeeProperties(employeeId));
+        emp.setDirectReports(getDirectReports(employeeId));
+        return emp;
+    }
+
+    public List<EmployeeDto> getDirectReports(Long id){
+        String DIRECT_REPORTS_QUERY = "Select * from employee where supervisor_id = "+id;
+        return jdbcTemplate.query(DIRECT_REPORTS_QUERY, ROW_MAPPER_EMP);
+    }
+
+    private static final RowMapper<EmployeeDto> ROW_MAPPER_EMP =
+            (rs, rowNum) -> new EmployeeDto(rs.getLong("id"));
+
+}

src/main/java/com/zoomcare/candidatechallenge/dao/PropertiesDao.java

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+package com.zoomcare.candidatechallenge.dao;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.stereotype.Repository;
+
+import java.util.Arrays;
+import java.util.List;
+
+//Data Access Object class for Employee table
+@Repository("Properties")
+public class PropertiesDao {
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+
+    public List<List<String>> getEmployeeProperties(Long id){
+        String PROPERTIES_QUERY  = "Select * from property where employee_id="+id;
+        return jdbcTemplate.query(PROPERTIES_QUERY ,ROW_MAPPER_PROP);
+    }
+
+    private static final RowMapper<List<String>> ROW_MAPPER_PROP =
+            (rs, rowNum) ->
+                    Arrays.asList(rs.getString("key"), rs.getString("value"));
+}

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

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+package com.zoomcare.candidatechallenge.dto;
+
+import java.util.List;
+
+public class EmployeeDto {
+    private Long employeeId;
+
+    private List<List<String>> employeeProperties;
+    private List<EmployeeDto> directReports;
+
+    public EmployeeDto(Long employeeId) {
+    this.employeeId = employeeId;
+    }
+
+    public Long getEmployeeId() {
+        return employeeId;
+    }
+    public void setEmployeeId(Long employeeId) {
+        this.employeeId = employeeId;
+    }
+    public List<List<String>> getEmployeeProperties() {
+        return employeeProperties;
+    }
+    public void setEmployeeProperties(List<List<String>> employeeProperties) {
+        this.employeeProperties = employeeProperties;
+    }
+    public List<EmployeeDto> getDirectReports() {
+        return directReports;
+    }
+    public void setDirectReports(List<EmployeeDto> directReports) {
+        this.directReports = directReports;
+    }
+
+    @Override
+    public String toString() {
+        return "EmployeeDto{" +
+                "employeeId=" + employeeId +
+                ", employeeProperties=" + employeeProperties +
+                ", directReports=" + directReports +
+                '}';
+    }
+}

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

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+package com.zoomcare.candidatechallenge.service;
+
+import com.zoomcare.candidatechallenge.dto.EmployeeDto;
+
+import java.util.List;
+
+public interface EmployeeService {
+
+    EmployeeDto getEmployee(Long id);
+    List<EmployeeDto> getTopLevelEmployeeList();
+}

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

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+package com.zoomcare.candidatechallenge.service;
+
+import com.zoomcare.candidatechallenge.dao.EmployeeDao;
+import com.zoomcare.candidatechallenge.dto.EmployeeDto;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class EmployeeServiceImpl implements EmployeeService{
+
+    @Autowired
+    private final EmployeeDao employeeDao;
+
+    public EmployeeServiceImpl(EmployeeDao employeeDao) {
+        this.employeeDao = employeeDao;
+    }
+
+    public EmployeeDto getEmployee(Long id){
+        return employeeDao.getEmployeeById(id);
+
+    }
+   public List<EmployeeDto> getTopLevelEmployeeList(){
+        return employeeDao.getTopLevelEmployees();
+    }
+
+}