DSP-804: create a child node with a custom IRI

docs/03-apis/api-admin/lists.md

@@ -27,7 +27,7 @@ License along with Knora.  If not, see <http://www.gnu.org/licenses/>.
 - `GET: /admin/lists/<listIri>` : return complete list with children
 - `POST: /admin/lists` : create new list
 - `PUT: /admin/lists/<listIri>` : update list information
-- `POST: /admin/lists/<nodeIri>` : create new child node under the supplied parent node IRI
+- `POST: /admin/lists/<parentNodeIri>` : create new child node under the supplied parent node IRI
 - NOT IMPLEMENTED: `DELETE: /admin/lists/<listIri>` : delete list including children if not used
 - `GET: /admin/lists/infos/<listIri>` : return list information (without children)
 
@@ -83,19 +83,32 @@ Additionally, each list can have an optional custom IRI (of [Knora IRI](../api-v
   - Appends a new child node under the supplied nodeIri. If the supplied nodeIri
     is the listIri, then a new child node is appended to the top level. Children
     are currently only appended.
-  - POST: `/admin/lists/<nodeIri>`
+  - POST: `/admin/lists/<parentNodeIri>`
   - BODY:
 
 ```json
     {
-        "parentNodeIri": "nodeIri",
+        "parentNodeIri": "parentNodeIri",
         "projectIri": "someprojectiri",
         "name": "first",
         "labels": [{ "value": "New First Child List Node Value", "language": "en"}],
         "comments": [{ "value": "New First Child List Node Comment", "language": "en"}]
     }
 ```
 
+Additionally, each child node can have an optional custom IRI (of [Knora IRI](../api-v2/knora-iris.md#iris-for-data) form) specified by the `id` in the request body as below:
+
+```json
+    {
+        "id": "http://rdfh.ch/lists/0001/a-child-node-with-IRI",
+        "parentNodeIri": "http://rdfh.ch/lists/0001/a-list-with-IRI",
+        "projectIri": "http://rdfh.ch/projects/0001",
+        "name": "child node with a custom IRI",
+        "labels": [{ "value": "New child node with IRI", "language": "en"}],
+        "comments": [{ "value": "New child node comment", "language": "en"}]
+    }
+```
+
 ### Get list's information
 
  - Required permission: none

webapi/scripts/expected-client-test-data.txt

@@ -18,6 +18,8 @@ test-data/admin/lists/add-second-child-to-root-request.json
 test-data/admin/lists/add-second-child-to-root-response.json
 test-data/admin/lists/create-child-node-request.json
 test-data/admin/lists/create-child-node-response.json
+test-data/admin/lists/create-child-node-with-custom-IRI-request.json
+test-data/admin/lists/create-child-node-with-custom-IRI-response.json
 test-data/admin/lists/create-list-request.json
 test-data/admin/lists/create-list-response.json
 test-data/admin/lists/create-list-with-custom-IRI-request.json

webapi/src/main/scala/org/knora/webapi/messages/admin/responder/listsmessages/ListsMessagesADM.scala

@@ -79,17 +79,22 @@ case class CreateListApiRequestADM(id: Option[IRI] = None,
  * is added can be either a root list node or a child list node. At least one label needs to be supplied. If other
  * child nodes exist, the newly created list node will be appended to the end.
  *
- * @param parentNodeIri
- * @param labels
- * @param comments
+ * @param id            the optional custom IRI of the list node.
+ * @param parentNodeIri the IRI of the parent node.
+ * @param projectIri    the IRI of the project.
+ * @param name          the optional name of the list node.
+ * @param labels        labels of the list node.
+ * @param comments      comments of the list node.
  */
-case class CreateChildNodeApiRequestADM(parentNodeIri: IRI,
+case class CreateChildNodeApiRequestADM(id: Option[IRI] = None,
+                                        parentNodeIri: IRI,
                                         projectIri: IRI,
                                         name: Option[String],
                                         labels: Seq[StringLiteralV2],
                                         comments: Seq[StringLiteralV2]) extends ListADMJsonProtocol {
 
     private val stringFormatter = StringFormatter.getInstanceForConstantOntologies
+    stringFormatter.validateOptionalListIri(id, throw BadRequestException(s"Invalid list node IRI"))
 
     if (parentNodeIri.isEmpty) {
         // println(this)
@@ -967,7 +972,7 @@ trait ListADMJsonProtocol extends SprayJsonSupport with DefaultJsonProtocol with
 
 
     implicit val createListApiRequestADMFormat: RootJsonFormat[CreateListApiRequestADM] = jsonFormat(CreateListApiRequestADM, "id", "projectIri", "name", "labels", "comments")
-    implicit val createListNodeApiRequestADMFormat: RootJsonFormat[CreateChildNodeApiRequestADM] = jsonFormat(CreateChildNodeApiRequestADM, "parentNodeIri", "projectIri", "name", "labels", "comments")
+    implicit val createListNodeApiRequestADMFormat: RootJsonFormat[CreateChildNodeApiRequestADM] = jsonFormat(CreateChildNodeApiRequestADM, "id" , "parentNodeIri", "projectIri", "name", "labels", "comments")
     implicit val changeListInfoApiRequestADMFormat: RootJsonFormat[ChangeListInfoApiRequestADM] = jsonFormat(ChangeListInfoApiRequestADM, "listIri", "projectIri", "name", "labels", "comments")
     implicit val nodePathGetResponseADMFormat: RootJsonFormat[NodePathGetResponseADM] = jsonFormat(NodePathGetResponseADM, "elements")
     implicit val listsGetResponseADMFormat: RootJsonFormat[ListsGetResponseADM] = jsonFormat(ListsGetResponseADM, "lists")

webapi/src/main/scala/org/knora/webapi/responders/admin/ListsResponderADM.scala

@@ -617,13 +617,12 @@ class ListsResponderADM(responderData: ResponderData) extends Responder(responde
                 throw BadRequestException(s"The node name ${createListRequest.name.get} is already used by a list inside the project ${createListRequest.projectIri}.")
             }
 
-            maybeShortcode = project.shortcode
-            dataNamedGraph = stringFormatter.projectDataNamedGraphV2(project)
-
             // check the custom IRI; if not given, create an unused IRI
             customListIri: Option[SmartIri] = createListRequest.id.map(iri => iri.toSmartIri)
+            maybeShortcode = project.shortcode
             listIri: IRI <- checkOrCreateEntityIri(customListIri, stringFormatter.makeRandomListIri(maybeShortcode))
 
+            dataNamedGraph = stringFormatter.projectDataNamedGraphV2(project)
             // Create the new list
             createNewListSparqlString = org.knora.webapi.messages.twirl.queries.sparql.admin.txt.createNewList(
                 dataNamedGraph = dataNamedGraph,
@@ -826,9 +825,10 @@ class ListsResponderADM(responderData: ResponderData) extends Responder(responde
             // calculate the data named graph
             dataNamedGraph = stringFormatter.projectDataNamedGraphV2(project)
 
-            // calculate the new node's IRI
+            // check the custom IRI; if not given, create an unused IRI
+            customListIri: Option[SmartIri] = createChildNodeRequest.id.map(iri => iri.toSmartIri)
             maybeShortcode = project.shortcode
-            newListNodeIri = stringFormatter.makeRandomListIri(maybeShortcode)
+            newListNodeIri: IRI <- checkOrCreateEntityIri(customListIri, stringFormatter.makeRandomListIri(maybeShortcode))
 
             // Create the new list node
             createNewListSparqlString = org.knora.webapi.messages.twirl.queries.sparql.admin.txt.createNewListChildNode(

webapi/src/test/scala/org/knora/webapi/e2e/admin/ListsADME2ESpec.scala

@@ -319,6 +319,59 @@ class ListsADME2ESpec extends E2ESpec(ListsADME2ESpec.config) with SessionJsonPr
                 val invalidIri: Boolean = errorMessage.contains(s"IRI: '${SharedTestDataADM.customListIRI}' already exists, try another one.")
                 invalidIri should be(true)
             }
+
+            "add a child with a custom IRI" in {
+
+                val customChildNodeIRI = "http://rdfh.ch/lists/0001/a-child-node-with-IRI"
+
+                val createChildNodeWithCustomIriRequest =
+                            s"""
+                                 |{   "id": "$customChildNodeIRI",
+                                 |    "parentNodeIri": "${SharedTestDataADM.customListIRI}",
+                                 |    "projectIri": "${SharedTestDataADM.ANYTHING_PROJECT_IRI}",
+                                 |    "name": "node with a custom IRI",
+                                 |    "labels": [{ "value": "New List Node", "language": "en"}],
+                                 |    "comments": []
+                                 |}""".stripMargin
+
+                clientTestDataCollector.addFile(
+                    TestDataFileContent(
+                        filePath = TestDataFilePath(
+                            directoryPath = clientTestDataPath,
+                            filename = "create-child-node-with-custom-IRI-request",
+                            fileExtension = "json"
+                        ),
+                        text = createChildNodeWithCustomIriRequest
+                    )
+                )
+
+                val encodedParentNodeUrl = java.net.URLEncoder.encode(SharedTestDataADM.customListIRI, "utf-8")
+
+                val request = Post(baseApiUrl + s"/admin/lists/" + encodedParentNodeUrl, HttpEntity(ContentTypes.`application/json`, createChildNodeWithCustomIriRequest)) ~> addCredentials(anythingAdminUserCreds.basicHttpCredentials)
+                val response: HttpResponse = singleAwaitingRequest(request)
+                // println(s"response: ${response.toString}")
+                response.status should be(StatusCodes.OK)
+
+                val received: ListNodeInfoADM = AkkaHttpUtils.httpResponseToJson(response).fields("nodeinfo").convertTo[ListNodeInfoADM]
+
+                // check correct node info
+                val childNodeInfo = received match {
+                    case info: ListChildNodeInfoADM => info
+                    case something => fail(s"expecting ListChildNodeInfoADM but got ${something.getClass.toString} instead.")
+                }
+                childNodeInfo.id should be (customChildNodeIRI)
+
+                clientTestDataCollector.addFile(
+                    TestDataFileContent(
+                        filePath = TestDataFilePath(
+                            directoryPath = clientTestDataPath,
+                            filename = "create-child-node-with-custom-IRI-response",
+                            fileExtension = "json"
+                        ),
+                        text = responseToString(response)
+                    )
+                )
+            }
         }
 
         "used to modify list information" should {

webapi/src/test/scala/org/knora/webapi/messages/admin/responder/listsmessages/ListsMessagesADMSpec.scala

@@ -262,7 +262,7 @@ class ListsMessagesADMSpec extends AnyWordSpecLike with Matchers with ListADMJso
             thrown.getMessage should equal (UPDATE_REQUEST_EMPTY_LABEL_OR_COMMENT_ERROR)
         }
 
-        "throw 'BadRequestException' for `CreateChildNodeApiRequestADM` when list node iri is empty" in {
+        "throw 'BadRequestException' for `CreateChildNodeApiRequestADM` when no parent node iri is given" in {
 
             val payload =
                 s"""
@@ -280,7 +280,7 @@ class ListsMessagesADMSpec extends AnyWordSpecLike with Matchers with ListADMJso
 
         }
 
-        "throw 'BadRequestException' for `CreateChildNodeApiRequestADM` when list node iri is invalid" in {
+        "throw 'BadRequestException' for `CreateChildNodeApiRequestADM` when parent node iri is invalid" in {
 
             val payload =
                 s"""
@@ -352,5 +352,23 @@ class ListsMessagesADMSpec extends AnyWordSpecLike with Matchers with ListADMJso
 
         }
 
+        "throw 'BadRequestException' for `CreateChildNodeApiRequestADM` when custom iri of the child node is invalid" in {
+
+            val payload =
+                s"""
+                   |{   "id": "invalid-list-node-IRI",
+                   |    "parentNodeIri": "$exampleListIri",
+                   |    "projectIri": "${SharedTestDataADM.IMAGES_PROJECT_IRI}",
+                   |    "labels": [{ "value": "Neuer List Node", "language": "de"}],
+                   |    "comments": []
+                   |}
+                """.stripMargin
+
+            val thrown = the [BadRequestException] thrownBy payload.parseJson.convertTo[CreateChildNodeApiRequestADM]
+
+            thrown.getMessage should equal ("Invalid list node IRI")
+
+        }
+
     }
 }