You can implement a rake task that builds the data and initiate the task
using CRON.
However, it really depends on what your idea of accumulated data is to
be honest. If a user is hitting your web page you can create an action
that instantiates the loading and updates a database. Or, if the data
is something that is being accumulated through creations or updates,
then you can use callbacks in your model to perform actions.
What type of data are you trying to accumulate?
Here's a brief example of something I created to tag when a person hits
a view in my app:
class ApplicationController < ActionController::Base
protected
def instantiate_sitestats(page)
site_stats =
Sitestat.find_by_user_id_and_pages_visited(@current_user.id, page)
if site_stats
site_stats.update_attributes(:clicks => (site_stats.clicks + 1),
:last_time_clicked => Time.now.in_time_zone)
else
Sitestat.create(:user_id => @current_user.id, :pages_visited =>
"#{page}", :clicks => 1, :last_time_clicked => Time.now.in_time_zone)
end
end
end
.. then in each controller I want to mark this occurence I do:
def index
instantiate_sitestats("Home Index") if user_signed_in?
end
This allows me to track any page a user visits, if the user is signed
in. You can create your own trackables as well.
If you are looking more for notifications, or internals, you might want
to look at Rails' notifications, although some are heavy and intensive
loads.
Otherwise, cron or model callbacks are your best bet.
Hope it helps.
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