feat: as a developer I want to edit projects

security-c4po-api/src/main/asciidoc/SecurityC4PO.adoc

@@ -71,10 +71,28 @@ include::{snippets}/deleteProject/http-response.adoc[]
 
 include::{snippets}/deleteProject/response-fields.adoc[]
 
+=== Update project
+
+To update a project, call the PATCH request /projects/{projectId}
+
+==== Request example
+
+include::{snippets}/deleteProject/http-request.adoc[]
+
+==== Response example
+
+include::{snippets}/deleteProject/http-response.adoc[]
+
+==== Response structure
+
+include::{snippets}/deleteProject/response-fields.adoc[]
+
 == Change History
 
 |===
 |Date |Change
+|2022-03-04
+|Added PATCH endpoint to save Projects
 |2022-02-01
 |Added DELETE endpoint to save Projects
 |2021-12-22

security-c4po-api/src/main/kotlin/com/securityc4po/api/BaseEntity.kt

@@ -5,6 +5,7 @@ import com.securityc4po.api.configuration.NP_NONNULL_FIELD_NOT_INITIALIZED_IN_CO
 import com.securityc4po.api.configuration.RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE
 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings
 import org.springframework.data.annotation.Id
+import java.time.Instant
 
 @SuppressFBWarnings(
         NP_NONNULL_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR,
@@ -16,4 +17,11 @@ abstract class BaseEntity<T>(
 ) {
         @Id
         lateinit var id: String
+
+        var lastModified: Instant = Instant.now()
+
+        fun setLastModifiedToCurrentInstant() {
+                this.lastModified = Instant.now()
+        }
 }
+

security-c4po-api/src/main/kotlin/com/securityc4po/api/project/Project.kt

@@ -50,10 +50,6 @@ data class ProjectRequestBody(
     val tester: String? = null
 )
 
-data class ProjectDeleteRequestBody(
-    val id: String
-)
-
 fun ProjectRequestBody.toProject(): Project {
     return Project(
         id = UUID.randomUUID().toString(),
@@ -65,5 +61,4 @@ fun ProjectRequestBody.toProject(): Project {
         createdBy = UUID.randomUUID().toString()
 
 )
-
 }

security-c4po-api/src/main/kotlin/com/securityc4po/api/project/ProjectController.kt

@@ -15,7 +15,7 @@ import java.util.*
         origins = [],
         allowCredentials = "false",
         allowedHeaders = ["*"],
-        methods = [RequestMethod.GET, RequestMethod.DELETE, RequestMethod.POST]
+        methods = [RequestMethod.GET, RequestMethod.DELETE, RequestMethod.POST, RequestMethod.PATCH]
 )
 
 @SuppressFBWarnings(BC_BAD_CAST_TO_ABSTRACT_COLLECTION)
@@ -49,4 +49,14 @@ class ProjectController(private val projectService: ProjectService) {
             ResponseEntity.ok().body(it.toProjectDeleteResponseBody())
         }
     }
+
+    @PatchMapping("/{id}")
+    fun updateProject(
+        @PathVariable(value = "id") id: String,
+        @RequestBody body: ProjectRequestBody
+    ): Mono<ResponseEntity<ResponseBody>> {
+        return this.projectService.updateProject(id, body).map {
+            ResponseEntity.accepted().body(it.toProjectResponseBody())
+        }
+    }
 }

security-c4po-api/src/main/kotlin/com/securityc4po/api/project/ProjectRepository.kt

@@ -14,4 +14,6 @@ interface ProjectRepository: ReactiveMongoRepository<ProjectEntity, String> {
 
     @DeleteQuery("{'data._id' : ?0}")
     fun deleteProjectById(id: String): Mono<Long>
+
+
 }

security-c4po-api/src/main/kotlin/com/securityc4po/api/project/ProjectService.kt

@@ -7,6 +7,8 @@ import edu.umd.cs.findbugs.annotations.SuppressFBWarnings
 import org.springframework.stereotype.Service
 import reactor.core.publisher.Mono
 import reactor.kotlin.core.publisher.switchIfEmpty
+import java.time.Instant
+import java.util.*
 
 
 @Service
@@ -45,4 +47,30 @@ class ProjectService(private val projectRepository: ProjectRepository) {
             projectRepository.deleteProjectById(id).map{project}
         }
     }
+
+    fun updateProject(id: String, body: ProjectRequestBody): Mono<Project> {
+        return projectRepository.findProjectById(id).switchIfEmpty{
+            logger.info("Project with id $id not found. Updating not possible.")
+            Mono.empty()
+        }.flatMap{projectEntity: ProjectEntity ->
+            projectEntity.lastModified = Instant.now()
+            projectEntity.data = buildProject(body, projectEntity)
+            projectRepository.save(projectEntity).map{
+                it.toProject()
+            }.doOnError {
+                logger.warn("Project could not be updated in Database. Thrown exception: ", it)
+            }
+        }
+    }
 }
+
+private fun buildProject(body: ProjectRequestBody, projectEntity: ProjectEntity): Project{
+    return Project(
+        id = projectEntity.data.id,
+        client = body.client,
+        title = body.title,
+        createdAt = projectEntity.data.createdAt,
+        tester = body.tester,
+        createdBy = projectEntity.data.createdBy
+    )
+}