Merge pull request 'story/PMT-27-mitarbeiter-aus-einem-projekt' (!17) from story/PMT-27-mitarbeiter-aus-einem-projekt into trunk

Reviewed-on: #17
Reviewed-by: SZUT-Rajbir <rajbir2@schule.bremen.de>
Reviewed-by: Dominik Säume <dominik.saeume@hmmh.de>

api/pmt.yml

@@ -210,3 +210,34 @@ paths:
                 type: string
         500:
           $ref: "#/components/responses/InternalError"
+
+  /project/{id}/employee/{employeeId}:
+    delete:
+      operationId: "removeEmployeeFromProject"
+      description: "Removes an employee from a Project"
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: integer
+            format: int64
+          required: true
+        - in: path
+          name: employeeId
+          schema:
+            type: integer
+            format: int64
+          required: true
+      responses:
+        204:
+          description: "Deletes the employee from the Project"
+        401:
+          $ref: "#/components/responses/Unauthorized"
+        404:
+          $ref: "#/components/responses/NotFound"
+        409:
+          $ref: "#/components/responses/Conflict"
+        500:
+          $ref: "#/components/responses/InternalError"
+        503:
+          $ref: "#/components/responses/ServiceUnavailable"

src/main/java/de/hmmh/pmt/ApiController.java

@@ -1,12 +1,11 @@
 package de.hmmh.pmt;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import de.hmmh.pmt.db.Allocation;
+
-import de.hmmh.pmt.db.AllocationRepository;
+import de.hmmh.pmt.db.*;
-import de.hmmh.pmt.db.Project;
-import de.hmmh.pmt.db.ProjectRepository;
 import de.hmmh.pmt.dtos.*;
 import de.hmmh.pmt.employee.ApiClientFactory;
+import de.hmmh.pmt.employee.api.EmployeeControllerApi;
 import de.hmmh.pmt.employee.dtos.EmployeeResponseDTO;
 import de.hmmh.pmt.oas.DefaultApi;
 import de.hmmh.pmt.util.Mapper;
@@ -143,4 +142,15 @@ public class ApiController implements DefaultApi {
 
         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
     }
+
+    @Override
+    public ResponseEntity<Void> removeEmployeeFromProject(Long id, Long employeeId){
+       Optional<Allocation> allocation = allocationRepository.findById(new AllocationId(id, employeeId));
+        if (allocation.isEmpty()){
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+
+        allocationRepository.delete(allocation.get());
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
 }

src/main/java/de/hmmh/pmt/db/AllocationRepository.java

@@ -7,4 +7,5 @@ import java.util.List;
 public interface AllocationRepository extends JpaRepository<Allocation, AllocationId> {
 
     List<Allocation> findAllByEmployeeId(Long employeeId);
+    List<Allocation> findAllByProjectId(Long projectId);
 }

src/test/java/de/hmmh/pmt/IntegrationTest.java

@@ -165,6 +165,13 @@ public abstract class IntegrationTest {
         allocation1ToOverlapA.setRole(TEST_QUALIFICATION_A_ID);
         allocations.put("1>overlap-a", allocation1ToOverlapA);
 
+
+        Allocation allocation1ToSpaceStation = new Allocation();
+        allocation1ToSpaceStation.setProject(allProjects.get("space-station"));
+        allocation1ToSpaceStation.setEmployeeId(TEST_EMPLOYEE_A_ID);
+        allocation1ToSpaceStation.setRole(TEST_QUALIFICATION_A_ID);
+        allocations.put("1>space-station", allocation1ToSpaceStation);
+        
         allocationRepository.saveAllAndFlush(allocations.values());
         return allocations;
     }

src/test/java/de/hmmh/pmt/project/DeleteEmployeeTest.java

@@ -0,0 +1,59 @@
+package de.hmmh.pmt.project;
+
+import static org.mockito.Mockito.when;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.RequestBuilder;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.web.client.HttpClientErrorException;
+
+import de.hmmh.pmt.IntegrationTest;
+import de.hmmh.pmt.db.Allocation;
+import de.hmmh.pmt.db.Project;
+import de.hmmh.pmt.dtos.AddEmployeeDTO;
+
+public class DeleteEmployeeTest extends IntegrationTest {
+    @Test
+    void shouldNotDeleteEmployeeWhenProjectIsNotFound() throws Exception {
+        mvc
+            .perform(delete(baseUri + "/project/1"))
+            .andExpect(status().isNotFound())
+        ;
+    }
+
+    @Test
+    void shouldNotDeleteEmployeeWhenEmployeeIsNotAllocated() throws Exception {
+        when(this.mockEmployeeApi.findById(Mockito.anyLong()))
+            .thenThrow(new HttpClientErrorException(HttpStatus.NOT_FOUND));
+
+        Map<String, Project> allProjects = createTestProjectData();
+
+        this.mvc
+            .perform(getRequest(allProjects.get("research-lab").getId(), 0L))
+            .andExpect(status().isNotFound());
+    }
+
+    @Test
+    void employeeSuccessfullyDeletedFromProject() throws Exception {
+        Map<String, Project> allProjects = createTestProjectData();
+        Map<String, Allocation> allAllocations = createTestAllocationData(allProjects);
+        Allocation allocation = allAllocations.get("1>space-station");
+
+        this.mvc
+            .perform(getRequest(allocation.getProjectId(),allocation.getEmployeeId()))
+            .andExpect(status().isNoContent());
+
+    }
+
+    private RequestBuilder getRequest(Long projectId, Long employeeId) {
+        return MockMvcRequestBuilders
+            .delete(baseUri + "/project/" + projectId + "/employee/" + employeeId);
+    }
+}