bin/gargantext-client/Script.hs

   1 module Script (script) where
   2
   3 import Control.Monad.IO.Class
   4 import Gargantext.API.Client
   5 import Servant.Client
   6
   7 import Auth
   8 import Core
   9 import Options
  10 import Tracking
  11
  12 -- | An example script. Tweak, rebuild and re-run the executable to see the
  13 --   effect of your changes. You can hit any gargantext endpoint in the body
  14 --   of 'script' using the many (many!) client functions exposed by the
  15 --   'Gargantext.API.Client' module.
  16 --
  17 --   Don't forget to pass @--user@ and @--pass@ if you're using 'withAuthToken'.
  18 script :: ClientOpts -> ClientM ()
  19 script opts = do
  20   -- we start by asking the backend for its version
  21   ver <- getBackendVersion
  22   liftIO . putStrLn $ "Backend version: " ++ show ver
  23
  24   -- next we authenticate using the credentials given on the command line
  25   -- (through --user and --pass), erroring out loudly if the auth creds don't
  26   -- go through, running the continuation otherwise.
  27   withAuthToken opts $ \tok userNode -> do
  28     liftIO . putStrLn $ "user node: " ++ show userNode
  29     steps <-
  30       -- we run a few client computations while tracking some EKG metrics
  31       -- (any RTS stats or routing-related data), which means that we sample the
  32       -- metrics at the beginning, the end, and in between each pair of steps.
  33       tracking opts ["rts.gc.bytes_allocated"]
  34         [ ("get roots", do
  35               roots <- getRoots tok
  36               liftIO . putStrLn $ "roots: " ++ show roots
  37           )
  38         , ("get user node detail", do
  39               userNodeDetail <- getNode tok userNode
  40               liftIO . putStrLn $ "user node details: " ++ show userNodeDetail
  41           )
  42         ]
  43     -- we pretty print the values we sampled for all metrics and the
  44     -- results of all the steps
  45     whenVerbose opts (ppTracked steps)