Create Object tool on Main Menu

api/package.json

@@ -9,6 +9,7 @@
   "dependencies": {
     "@stomp/stompjs": "^6.1.0",
     "@xmldom/xmldom": "^0.7.0",
+    "body-parser": "^1.18.3",
     "bullmq": "^1.14.8",
     "connect-session-knex": "^2.1.0",
     "cookie-parser": "~1.4.4",

api/src/routes/edit.ts

@@ -1,10 +1,59 @@
 import express = require("express");
+import bodyParser = require("body-parser");
 import Config from "../models/Config";
-const router = express.Router();
+import Fedora from "../services/Fedora";
+import FedoraObjectFactory from "../services/FedoraObjectFactory";
+import MetadataExtractor from "../services/MetadataExtractor";
 import { requireToken } from "./auth";
 
+const router = express.Router();
+
 router.get("/models", requireToken, function (req, res) {
     res.json({ CollectionModels: Config.getInstance().collectionModels, DataModels: Config.getInstance().dataModels });
 });
 
+router.post("/object/new", requireToken, bodyParser.json(), async function (req, res) {
+    let parentPid = req?.body?.parent;
+    if (parentPid !== null && parentPid.length === 0) {
+        parentPid = null;
+    }
+    const noParent = (req.body.noParent ?? "0") === "1";
+
+    // Validate parent parameters:
+    if (noParent && parentPid !== null) {
+        res.status(400).send("Cannot set parent PID and no parent PID");
+        return;
+    }
+    if (!noParent && parentPid === null) {
+        res.status(400).send("Must set either parent or noParent");
+        return;
+    }
+    // Validate parent PID, if set:
+    if (parentPid !== null) {
+        const fedora = Fedora.getInstance();
+        const extractor = MetadataExtractor.getInstance();
+        const relsExt = await fedora.getDatastreamAsString(req.body.parent, "RELS-EXT");
+        const models = extractor.extractRelations(relsExt).hasModel ?? [];
+
+        // Parents must be collections; validate!
+        if (!models.includes("info:fedora/vudl-system:CollectionModel")) {
+            res.status(400).send("Illegal parent " + req.body.parent + "; not a collection!");
+            return;
+        }
+    }
+
+    const factory = FedoraObjectFactory.getInstance();
+    try {
+        const newObject = await factory.build(
+            req.body.model.replace("vudl-system:", ""),
+            req.body.title,
+            req.body.state,
+            parentPid
+        );
+        res.status(200).send(newObject.pid);
+    } catch (e) {
+        res.status(400).send(e.message);
+    }
+});
+
 module.exports = router;