counting and ranking service with redis in ruby
diner provides a simple example HTTP API to a specific subset of Redis actions, namely:
- incrementing a sorted set's element
- returning the cardinality of a sorted set
- returning the rank of a sorted set's element
- returning the score of a sorted set's element
diner is built on Sinatra, so it can be started locally with Sinatra on localhost and port 4567. diner's tests run against a local running instance of Redis; the tests will create a few test keys.
diner is accessed via either GET or POST at /:key.
All the keys that Diner generates will be prepended with diner: for namespacing; however, interaction with the
keys happens directly on the specified name (e.g., you interface with 'foo', not 'diner:foo').
Using the key foo as an example:
Increment an element
POST /foo
with parameters: command=increment, element=bigelement, score=20.0
Get the cardinality of a sorted set
GET /foo?command=card'
Get the rank of an element of a sorted set
GET /foo?command=rank&element=bar
Get the score of an element of a sorted set
GET /foo?command=score&element=bar
You can check out a Python client at: https://github.com/tnm/pydiner.
BSD License