Improved sharing dialog, setting a sheet as public now working

app/imports/api/sharing/sharing.js

@@ -0,0 +1,20 @@
+import SimpleSchema from 'simpl-schema';
+import { assertOwnership } from '/imports/api/sharing/sharingPermissions.js';
+import fetchDocByRef from '/imports/api/parenting/fetchDocByRef.js';
+import getCollectionByName from '/imports/api/parenting/getCollectionByName.js';
+import { RefSchema } from '/imports/api/parenting/ChildSchema.js';
+
+const setPublic = new ValidatedMethod({
+  name: 'sharing.methods.setPublic',
+	validate: new SimpleSchema({
+		docRef: RefSchema,
+    public: { type: Boolean },
+  }).validator(),
+  run({docRef, public}){
+		let doc = fetchDocByRef(docRef);
+		assertOwnership(doc, this.userId);
+		getCollectionByName(docRef.collection).update(docRef.id, {$set: {public}});
+	},
+});
+
+export { setPublic };