[consulting] Technical question about subscription to view results

[Audrius Naslenas]

Hello,

It is pretty silent there, so would like to ask a question about 
situation like this: Drupal site, lets say e-shop has a list of products 
which is view of nodes, where registered user can filter it by many 
different fields. User wants to subscribe to that filtered view so he 
can get email about changes in those filtered view results - node 
created, edited, deleted or any other condition. To say simple:
1. Subscribe to changes in filtered view results.
2. Get those results by email asap or every predefined interval
3. Delete the subscription, manage subscriptions and other common 
operations, restrictions, access control, integration to Rules etc

The task seemed pretty straightforward, but in reality cannot find the 
right "design" for this: should I use Subscriptions, Notifications or 
build complex Rules? Custom module!!!??? Should I chose the ****tions 
module which has the last commit many months ago and extend it if some 
small functionality is missing? Message module and some Rules magic - 
isn't it too much OG oriented? Flag + Rules magic????

Please give me a direction as never did any project with similar 
requirements and have only basic knowledge in 
Subscriptions/Notifications frameworks. I believe that this 
functionality is not something magically new but got stuck as search on 
the internet is surprisingly silent so I have a sense that it is because 
my English skills do not let me to choose right keywords or the answer 
is dead simple but cannot see it clearly.

Thank you for your help, regards,
Audrius



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