Hello,
I'm learning node.js+knockout.js+mongodb programming now.
As an initial target I set myself the goal to write a node.js back-end to
the last lesson in knockout's interactive tutorial, which is a task-list
app: http://learn.knockoutjs.com/#/?tutorial=loadingsaving
I manage to serve the static files and get the JSON data sent to the
"/tasks" URL path when the "save" button is pressed.
The task list is sent as a JSON array, naturally. When an entry is marked
to be deleted it is sent to the server with an additional "_destroy: true"
attribute, e.g. after the "wake up yoyo" task at the end of the list is
delete, this is the JSON I get:
{"tasks":[{"title":"Wire the money to Panama","isDone":true},{"title":"Get
hair dye, beard trimmer, dark glasses and
\"passport\"","isDone":false},{"title":"Book taxi to
airport","isDone":false},{"title":"Arrange for someone to look after the
cat","isDone":false},{"title":"wake up
yoyo","isDone":true,"_destroy":true}]}
My question - what's the most recommended, "best practice" way to process
it? Should I just something like:
tasks.forEach(function(task) {
if (task._destroy) {
// delete from mongodb
} else {
// add to mongodb
};
});
Or is there a more elegant way? Is there some node.js or even a
mongonode-specific way to just copy JSON to and from mongodb instead of
manually iterating over the data on each request?
In general - is _destroy a standard convention or is it unique to
knockout.js? (I'm going to ask this one also on the KO Google Group).
Thanks,
--Amos
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