I have created an object in Meteorjs to hold the database info for N numbers of dice rolls, and then the dice are displayed using handlebars #each iterator. Here is some of my code:
The global Mongo collection:
Items = new Meteor.Collection('items');</code>
When I roll the dice, this is what happens to the collection when a button is clicked:
//Don't want to bore you with all code, so here's just important parts...
var randomNumber=Math.floor(Math.random() * numSides) +1);
var numDice = 6;// It's really a variable passed in, but for here it's 6.
for (var i = 0; i < numDice; i++) {
Items.insert(item: randomNumber)
};
And then they display the info as dice because it displays numbers that I have CSS'd to look like Dice. But I'm straying here... Anyway, the dice rolling is awesome, but I want to clear the dice when I roll again. right now, they just keep adding up. And when I try to use any method to delete Mongo DB Items stuff, it crashes my app. Since I'm not sure how to debug very well yet in a browser, I need some help, and I'mm going to ask it here...
Now, my main problem is, when the dice are rolled again, I want to purge the database and start again. I am new to JavaScript and Meteor, and come from Java && Ruby land, so any suggestions are greatly appreciated.
I've tried
Items.removeIndexes(),
Items.purge(),
Items.remove({})
They all just freeze my app, and the numbers I displayed in the #each iterator are still there. I thought it would delete the stuff, and push the changes... No??? Please help.
The code is on GitHub @ http://www.github.com/rabbitfighter81/DMware/
You should use the remove method, but if you call it from the client, you can only remove one document per call, and the selector must refer to the documents _id field. So, here's an example to remove all the documents in a collection the client has:
TheCollection.find().forEach(function(doc){
TheCollection.remove(doc._id)
})