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This adds a simple way to have namespaced counters per user and get the global count per namespace. In essence this can be used for a variety of use-cases, e.g. leaderboards, group challenges, etc. Introducing only the barest of functionality it will be extended as use-cases arise and applications have been identified. A variety of dimensions might be added for future extension to have contextual leadboards, for example slicing by location, user core data or free form tags.
API
Counter payload:
In the first iteration we support two endpoints:
PUT /me/counters/<counterName>
: Expects the counter payload and sets the named counter for the current user to the given value.GET /counters/<counterName>
: Returns the sum of all values for all users for the named counter.