PMT-43: Implement Endpoint

api/pmt.yml

@@ -46,6 +46,28 @@ components:
         plannedEnd:
           type: string
           format: date-time
+    UpdateProjectDTO:
+      type: object
+      properties:
+        name:
+          type: string
+        goal:
+          type: string
+        customerId:
+          type: integer
+          format: int64
+        administratorId:
+          type: integer
+          format: int64
+        start:
+          type: string
+          format: date-time
+        plannedEnd:
+          type: string
+          format: date-time
+        end:
+          type: string
+          format: date-time
     CreatedProjectDTO:
       type: object
       properties:
@@ -154,7 +176,6 @@ paths:
         503:
           $ref: "#/components/responses/ServiceUnavailable"
 
-  
   /project/{id}:
     post:
       operationId: "addEmployee"
@@ -186,7 +207,36 @@ paths:
           $ref: "#/components/responses/InternalError"
         503:
           $ref: "#/components/responses/ServiceUnavailable"
-
+    put:
+      operationId: "updateProject"
+      description: "Updates a project"
+      parameters:
+        - in: path
+          name: id
+          schema:
+            type: integer
+            format: int64
+          required: true
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/UpdateProjectDTO"
+      responses:
+        204:
+          description: "Project updated successfully"
+        401:
+          $ref: "#/components/responses/Unauthorized"
+        404:
+          $ref: "#/components/responses/NotFound"
+        409:
+          $ref: "#/components/responses/Conflict"
+        422:
+          $ref: "#/components/responses/UnprocessableContent"
+        500:
+          $ref: "#/components/responses/InternalError"
+        503:
+          $ref: "#/components/responses/ServiceUnavailable"
     delete:
       operationId: "deleteProject"
       description: "Delete a specific Project"

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

@@ -9,18 +9,16 @@ import de.hmmh.pmt.dtos.*;
 import de.hmmh.pmt.employee.ApiClientFactory;
 import de.hmmh.pmt.employee.dtos.EmployeeResponseDTO;
 import de.hmmh.pmt.oas.DefaultApi;
+import de.hmmh.pmt.util.ApiTools;
 import de.hmmh.pmt.util.Mapper;
+import de.hmmh.pmt.util.Validator;
 import jakarta.servlet.http.HttpServletRequest;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.client.HttpClientErrorException;
-import org.springframework.web.client.RestClientException;
 
-import java.time.ZoneOffset;
-import java.util.List;
 import java.util.Optional;
 
 @Controller
@@ -31,6 +29,10 @@ public class ApiController implements DefaultApi {
     @Autowired
     private ApiClientFactory apiClientFactory;
     @Autowired
+    private Validator validator;
+    @Autowired
+    private ApiTools apiTools;
+    @Autowired
     private ProjectRepository projectRepository;
     @Autowired
     AllocationRepository allocationRepository;
@@ -69,26 +71,61 @@ public class ApiController implements DefaultApi {
         return ResponseEntity.ok(response);
     }
 
+    @Override
+    public ResponseEntity<Void> updateProject(Long id, UpdateProjectDTO body) {
+        Optional<Project> optionalProject = projectRepository.findById(id);
+        if (optionalProject.isEmpty()) {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+        Project project = optionalProject.get();
+
+        if (project.getName().equals(body.getName()) && projectRepository.existsByName(body.getName())) {
+            return new ResponseEntity<>(HttpStatus.CONFLICT);
+        }
+
+        if (project.getAdministratorId().equals(body.getAdministratorId())) {
+            HttpStatus status = apiTools.checkEmployeeExists(body.getAdministratorId()).status();
+            if (status != HttpStatus.OK) {
+                return new ResponseEntity<>(status);
+            }
+        }
+
+        Project finalProject = mapper.map(project, body);
+        if (!validator.isValidProject(project)) {
+            return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
+        }
+
+        if (validator.areAllocationTimeRangesOverlapping(
+                project.getStart(),
+                project.getPlannedEnd(),
+                allocationRepository
+                        .findAllByProjectId(finalProject.getId())
+                        .stream()
+                        .map(Allocation::getEmployeeId)
+                        .flatMap(employeeId -> allocationRepository.findAllByEmployeeId(employeeId).stream())
+                        .filter(employeeAllocation -> employeeAllocation.getProjectId().equals(finalProject.getId()))
+                        .toList()
+        )){
+            return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
+        }
+
+        projectRepository.save(project);
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
+
     @Override
     public ResponseEntity<CreatedProjectDTO> createProject(CreateProjectDTO body) {
         if (projectRepository.existsByName(body.getName())) {
             return new ResponseEntity<>(HttpStatus.CONFLICT);
         }
 
-        try {
-            apiClientFactory.getEmployeeApi().findById(body.getAdministratorId());
-        } catch (HttpClientErrorException exception) {
-            return new ResponseEntity<>(
-                    exception.getStatusCode().equals(HttpStatus.NOT_FOUND)
-                            ? HttpStatus.NOT_FOUND
-                            : HttpStatus.SERVICE_UNAVAILABLE
-            );
-        } catch (RestClientException exception) {
-            return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
+        HttpStatus status = apiTools.checkEmployeeExists(body.getAdministratorId()).status();
+        if (status != HttpStatus.OK) {
+            return new ResponseEntity<>(status);
         }
 
         Project project = mapper.map(body);
-        if (!project.isValid()) {
+        if (!validator.isValidProject(project)) {
             return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
         }
         projectRepository.save(project);
@@ -105,16 +142,13 @@ public class ApiController implements DefaultApi {
         }
         Project project = optionalProject.get();
 
-        EmployeeResponseDTO employee;
-        try {
-            employee = apiClientFactory.getEmployeeApi().findById(body.getEmployeeId());
-        } catch (HttpClientErrorException exception) {
-            return new ResponseEntity<>(exception.getStatusCode().equals(HttpStatus.NOT_FOUND)
-                    ? HttpStatus.NOT_FOUND
-                    : HttpStatus.SERVICE_UNAVAILABLE);
-        } catch (RestClientException exception) {
-            return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
+
+        ApiTools.CheckEmployeeRecord employeeRecord = apiTools.checkEmployeeExists(body.getEmployeeId());
+        if (employeeRecord.status() != HttpStatus.OK) {
+            return new ResponseEntity<>(employeeRecord.status());
         }
+        EmployeeResponseDTO employee = employeeRecord.employee();
+
 
         if (employee.getSkillSet()
                 .stream()
@@ -122,16 +156,11 @@ public class ApiController implements DefaultApi {
             return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
         }
 
-        long start = project.getStart().toEpochSecond(ZoneOffset.UTC);
-        long plannedEnd = project.getPlannedEnd().toEpochSecond(ZoneOffset.UTC);
-        List<Allocation> allocations = allocationRepository.findAllByEmployeeId(body.getEmployeeId());
-        if (allocations.stream()
-                .map(Allocation::getProject)
-                .anyMatch(allocatedProject -> {
-                    long allocatedStart = allocatedProject.getStart().toEpochSecond(ZoneOffset.UTC);
-                    long allocatedPlannedEnd = allocatedProject.getPlannedEnd().toEpochSecond(ZoneOffset.UTC);
-                    return Math.max(start, allocatedStart) <= Math.min(plannedEnd, allocatedPlannedEnd);
-                })) {
+        if (validator.areAllocationTimeRangesOverlapping(
+                project.getStart(),
+                project.getPlannedEnd(),
+                allocationRepository.findAllByEmployeeId(body.getEmployeeId())
+        )) {
             return new ResponseEntity<>(HttpStatus.UNPROCESSABLE_ENTITY);
         }
 

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/main/java/de/hmmh/pmt/db/Project.java

@@ -47,16 +47,4 @@ public class Project {
     private LocalDateTime plannedEnd;
 
     private LocalDateTime realEnd; // Cant be named just "end" because it's and SQL Keyword
-
-
-    public boolean isValid() {
-        Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
-        Set<ConstraintViolation<Project>> violations = validator.validate(this);
-
-        return violations.isEmpty() &&
-               plannedEnd.isAfter(start) &&
-               (realEnd == null || realEnd.isAfter(start));
-    }
-
 }
-

src/main/java/de/hmmh/pmt/util/ApiTools.java

@@ -0,0 +1,34 @@
+package de.hmmh.pmt.util;
+
+import de.hmmh.pmt.employee.ApiClientFactory;
+import de.hmmh.pmt.employee.dtos.EmployeeResponseDTO;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestClientException;
+
+@Component
+public class ApiTools {
+
+    @Autowired
+    private ApiClientFactory apiClientFactory;
+
+    public record CheckEmployeeRecord(EmployeeResponseDTO employee, HttpStatus status) {}
+    public CheckEmployeeRecord checkEmployeeExists(long id) {
+        EmployeeResponseDTO employee;
+        try {
+            employee =apiClientFactory.getEmployeeApi().findById(id);
+        } catch (HttpClientErrorException exception) {
+            return new CheckEmployeeRecord(
+                    null,
+                    exception.getStatusCode().equals(HttpStatus.NOT_FOUND)
+                            ? HttpStatus.NOT_FOUND
+                            : HttpStatus.SERVICE_UNAVAILABLE
+            );
+        } catch (RestClientException exception) {
+            return new CheckEmployeeRecord(null, HttpStatus.INTERNAL_SERVER_ERROR);
+        }
+        return new CheckEmployeeRecord(employee, HttpStatus.OK);
+    }
+}

src/main/java/de/hmmh/pmt/util/Mapper.java

@@ -3,6 +3,7 @@ package de.hmmh.pmt.util;
 import de.hmmh.pmt.db.Project;
 import de.hmmh.pmt.dtos.CreateProjectDTO;
 import de.hmmh.pmt.dtos.CreatedProjectDTO;
+import de.hmmh.pmt.dtos.UpdateProjectDTO;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -29,4 +30,15 @@ public class Mapper {
         dto.setPlannedEnd(project.getPlannedEnd());
         return dto;
     }
+
+    public Project map(Project project, UpdateProjectDTO dto) {
+        project.setName(dto.getName());
+        project.setGoal(dto.getGoal());
+        project.setCustomerId(dto.getCustomerId());
+        project.setAdministratorId(dto.getAdministratorId());
+        project.setStart(dto.getStart());
+        project.setPlannedEnd(dto.getPlannedEnd());
+        project.setRealEnd(dto.getEnd());
+        return project;
+    }
 }

src/main/java/de/hmmh/pmt/util/Validator.java

@@ -0,0 +1,48 @@
+package de.hmmh.pmt.util;
+
+import de.hmmh.pmt.db.Allocation;
+import de.hmmh.pmt.db.Project;
+import jakarta.validation.ConstraintViolation;
+import jakarta.validation.Validation;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.util.List;
+import java.util.Set;
+
+@Component
+public class Validator {
+
+    public boolean isValidProject(Project project) {
+        jakarta.validation.Validator validator = Validation
+                .buildDefaultValidatorFactory()
+                .getValidator();
+        Set<ConstraintViolation<Project>> violations = validator.validate(project);
+
+        LocalDateTime start = project.getStart();
+        LocalDateTime plannedEnd = project.getPlannedEnd();
+        LocalDateTime realEnd = project.getRealEnd();
+
+        return violations.isEmpty() &&
+                plannedEnd.isAfter(start) &&
+                (realEnd == null || realEnd.isAfter(start));
+    }
+
+    public boolean areAllocationTimeRangesOverlapping(
+            LocalDateTime start,
+            LocalDateTime plannedEnd,
+            List<Allocation> allocations
+    ){
+        long startUnix = start.toEpochSecond(ZoneOffset.UTC);
+        long plannedEndUnix = plannedEnd.toEpochSecond(ZoneOffset.UTC);
+        return allocations.stream()
+                .map(Allocation::getProject)
+                .anyMatch(allocatedProject -> {
+                    long allocatedStart = allocatedProject.getStart().toEpochSecond(ZoneOffset.UTC);
+                    long allocatedPlannedEnd = allocatedProject.getPlannedEnd().toEpochSecond(ZoneOffset.UTC);
+                    return Math.max(startUnix, allocatedStart) <= Math.min(plannedEndUnix, allocatedPlannedEnd);
+                });
+    }
+
+}

src/main/resources/spotbugs-exclude.xml

@@ -1,12 +1,7 @@
 <FindBugsFilter xmlns="https://raw.githubusercontent.com/spotbugs/spotbugs/4.8.6/spotbugs/etc/findbugsfilter.xsd">
     <Match>
-        <!-- We Want This Exposure of Resources the Way it is for our usage -->
-        <Class name="de.hmmh.pmt.employee.ApiClientFactory"/>
-        <Bug code="M,V,EI"/>
-    </Match>
-    <Match>
-        <Class name="de.hmmh.pmt.db.Allocation"/>
-        <Bug code="M,V,EI,EI2"/>
+        <Source name="~.*"/>
+        <Bug code="EI,EI2"/> <!-- We don't care about these codes -->
     </Match>
     <Match>
         <!--Ignore Auto Generated Code -->