add metarecords to new Projects (#254)

Author: cubap

classes/Project/Project.js

@@ -25,7 +25,10 @@ export default class Project {
     if (!validation.isValid) {
       throw { status: 400, message: validation.errors }
     }
-    
+
+    payload._createdAt ??= Date.now().toString().slice(-6)
+    payload._modifiedAt ??= -1
+    payload._lastModified ??= payload.layers?.[0]?.pages?.[0]?.id ?? true
     console.log("Creating project...", payload.layers)
     try {
       return database.save(payload, "projects")

classes/Project/ProjectFactory.js

@@ -104,13 +104,18 @@ export default class ProjectFactory {
     const metadata = manifest.metadata ?? []
     const layer = Layer.build( database.reserveId(), `First Layer - ${label}`, manifest.items ) 
 
+    const firstPage = layer.pages[0]?.id ?? true
+
     // required properties: id, label, metadata, manifest, layers
     return {
       label,
       metadata,
       manifest: [ manifest.id ],
       layers: [ layer.asProjectLayer() ],
-      tools: this.tools
+      tools: this.tools,
+      _createdAt: now,
+      _modifiedAt: -1,
+      _lastModified: firstPage,
     }
   }