Re-wrote parenting, should be significantly faster, more maintainable

app/imports/api/parenting/softRemove.js

@@ -0,0 +1,55 @@
+import getCollectionByName from '/imports/api/parenting/getCollectionByName.js';
+import updateDecendents from '/imports/api/parenting/parenting.js';
+
+// 1 + n database hits
+export function softRemove({id, collection}){
+  let removalDate = new Date();
+  // Remove this document
+  collection = getCollectionByName(collection);
+  collection.update(id, {$set: {
+    removed: true,
+    removedAt: removalDate,
+  }, $unset: {
+    removedWith: 1,
+  }});
+  // Remove all the decendents that have not yet been removed, and set them to be
+  // removed with this document
+  updateDecendents({
+    ancestorId: id,
+    filter: {removed: {$ne: true}},
+    modifier: {$set: {
+      removed: true,
+      removedAt: removalDate,
+      removedWith: id,
+    }},
+  });
+};
+
+const restoreError = function(){
+  throw new Meteor.Error('restore-failed',
+    'Could not restore this document, maybe it was removed by a parent?'
+  );
+};
+
+export function restore({id, collection}){
+  collection = getCollectionByName(collection);
+  let numUpdated = collection.update({
+    _id: id,
+    removedWith: {$exists: false}
+  }, { $unset: {
+    removed: 1,
+    removedAt: 1,
+  }});
+  if (numUpdated === 0) restoreError();
+  updateDecendents({
+    ancestorId: id,
+    filter: {
+      removedWith: id,
+    },
+    modifier: { $unset: {
+      removed: 1,
+      removedAt: 1,
+      removedWith: 1,
+    }},
+  });
+}