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As a noob in rails, i am having a problem on how to find a decent and
straightforward notifications system for my application.
Being a Api like application (talking with the client is made using JSON
/ later on XML as well), i have a problem finding a good solution to
feed my needs.
I have tried to use the rails validators, but then i have realized that
is not a good solution, as i need to send normal notifications as well
(Ex: “You have successfully bought this item” ).
After that ideea failed … I have tried to implement a “Notification”
module inside my user model as, all my notifications are user related.
However … this system has 2 instance variables : @notifications and
@api_errors. Now, the problem would be the validation of the user
action, and here might be several messages to send:
- Stock finished
- No money
- No access to this feature …
- CC invalid
now … i can do my checks like
if false == money_requirement?
self.add_api_error “You do not have enough money”
if false == product.stock_requirement?
But the main problem … would be now, the method of trigger the action.
if self.api_errors.size == 0
do play with the user account, stocks and other stuff …
what i am asking you: Is there any way to play with those notifications
and errors without passing through the database? They are more like
flashes, but the code is inside the model … so, i don’t want to fall
into an antipattern having session related info inside my model.
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