feat(project): add remove project functionality with API endpoint

src/main/java/de/szut/lf8_starter/project/ProjectService.java

@@ -30,4 +30,8 @@ public class ProjectService {
 
         return project;
     }
+
+    public void delete(Long id) {
+        this.projectRepository.deleteById(id);
+    }
 }

src/main/java/de/szut/lf8_starter/project/action/RemoveProjectAction.java

@@ -0,0 +1,45 @@
+package de.szut.lf8_starter.project.action;
+
+import de.szut.lf8_starter.project.ProjectEntity;
+import de.szut.lf8_starter.project.ProjectMapper;
+import de.szut.lf8_starter.project.ProjectService;
+import de.szut.lf8_starter.project.dto.GetProjectDto;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Optional;
+
+@RestController
+@RequestMapping(value = "projects")
+public class RemoveProjectAction {
+    private final ProjectService projectService;
+    private final ProjectMapper projectMapper;
+
+    public RemoveProjectAction(ProjectService projectService, ProjectMapper projectMapper) {
+        this.projectService = projectService;
+        this.projectMapper = projectMapper;
+    }
+
+    @Operation(summary = "Remove project by ID")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "Project deleted", content = {}),
+            @ApiResponse(responseCode = "404", description = "Project not found", content = @Content)
+    })
+    @DeleteMapping("/{id}")
+    public ResponseEntity<GetProjectDto> findArticleById(@PathVariable Long id) {
+        Optional<ProjectEntity> project = this.projectService.findById(id);
+
+        if (project.isEmpty()) {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+
+        this.projectService.delete(id);
+        return new ResponseEntity<>(this.projectMapper.mapToGetDto(project.get()), HttpStatus.OK);
+    }
+}