I'm playing with mongoose schemas. I have 3 items, each one with a corresponding ID field like this:
"_id": "508dcb79cb1c8ad910000001","
"_id": "508dcba389e2f32e11000002","
"_id": "508dcba389e2f32e11000003","
Is there any default way to process that big chunk of ID to get a cleaner one without having to set up custom id's numbers to just get the last numbers, corresponding the ID? Or should I use a regex or something to be able to get them by id like this:
app.get('/fields/:id', function(req, res) { ; });
And access them with /field/1, /field/3 or whatever.
As described here, the ObjectID for a document is made up of a timestamp, a machine id, a process id, and a counter. I don't see a way to take the counter by itself and come up with the ObjectID. Using a regular expression to search the index probably isn't a good idea because you would end up iterating over all ObjectIDs in the index. As pointed out here, only simple prefix regular expressions can take advantage of the index. Furthermore, I think multiple documents could have the same counter, e.g. if a write occurred on two different machines to the same collection.
So the short answer is "no". If you really want short IDs you probably should roll your own sequence numbers, use something like shortid, or just look the documents up by a naturally unique index (if your collection happens to have one), like email, username, etc.