mirror of
https://github.com/higherkindness/mu-haskell.git
synced 2024-09-11 14:36:01 +03:00
Unify examples for Avro, Protobuf and GraphQL (#139)
This commit is contained in:
Alejandro Serrano
GitHub
parent
234dc1477e
commit
12da3fb688
@ -6,11 +6,9 @@ packages: compendium-client/
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adapter/protobuf/
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adapter/persistent/
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adapter/kafka/
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examples/health-check/avro/
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examples/health-check/protobuf/
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examples/health-check/
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examples/route-guide/
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examples/seed/avro/
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examples/seed/protobuf/
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examples/seed/
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examples/todolist/
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examples/with-persistent/
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grpc/common/
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@ -10,11 +10,9 @@ let
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in {
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compendium-client = hnPkgs.compendium-client.components.library;
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mu-avro = hnPkgs.mu-avro.components.all;
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mu-example-health-check-avro = hnPkgs.mu-example-health-check-avro.components.all;
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mu-example-health-check-protobuf = hnPkgs.mu-example-health-check-protobuf.components.all;
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mu-example-health-check = hnPkgs.mu-example-health-check.components.all;
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mu-example-route-guide = hnPkgs.mu-example-route-guide.components.all;
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mu-example-seed-avro = hnPkgs.mu-example-seed-avro.components.all;
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mu-example-seed-protobuf = hnPkgs.mu-example-seed-protobuf.components.all;
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mu-example-seed = hnPkgs.mu-example-seed.components.all;
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mu-example-todolist = hnPkgs.mu-example-todolist.components.all;
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mu-example-with-persistent = hnPkgs.mu-example-with-persistent.components.all;
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mu-graphql = hnPkgs.mu-graphql.components.library;
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@ -1 +0,0 @@
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cradle: { stack: { component: "mu-example-health-check-avro:exe:health-server-avro" } }
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@ -1,67 +0,0 @@
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name: mu-example-health-check-avro
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version: 0.3.0.0
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synopsis:
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Example health-check project from mu-scala (with avro) ported to mu-haskell
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description:
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Example health-check project from mu-scala (with avro) ported to mu-haskell.
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license: Apache-2.0
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license-file: LICENSE
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author: Alejandro Serrano, Flavio Corpa
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maintainer: alejandro.serrano@47deg.com
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copyright: Copyright © 2020 47 Degrees. <http://47deg.com>
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category: Network
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build-type: Simple
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cabal-version: >=1.10
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data-files: healthcheck.avdl
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bug-reports: https://github.com/higherkindness/mu-haskell/issues
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executable health-server-avro
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main-is: Server.hs
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other-modules: Definition
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build-depends:
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base >=4.12 && <5
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, deferred-folds
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, mu-avro >=0.2.0
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, mu-grpc-server >=0.2.0
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, mu-rpc >=0.2.0
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, mu-schema >=0.2.0
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, stm
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, stm-conduit
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, stm-containers
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, text
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hs-source-dirs: src
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default-language: Haskell2010
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ghc-options: -Wall
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executable health-client-tyapps-avro
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main-is: ClientTyApps.hs
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other-modules: Definition
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build-depends:
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base >=4.12 && <5
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, mu-avro >=0.2.0
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, mu-grpc-client >=0.2.0
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, mu-rpc >=0.2.0
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, mu-schema >=0.2.0
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, text
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hs-source-dirs: src
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default-language: Haskell2010
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ghc-options: -Wall
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executable health-client-record-avro
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main-is: ClientRecord.hs
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other-modules: Definition
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build-depends:
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base >=4.12 && <5
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, mu-avro >=0.2.0
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, mu-grpc-client >=0.2.0
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, mu-rpc >=0.2.0
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, mu-schema >=0.2.0
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, text
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hs-source-dirs: src
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default-language: Haskell2010
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ghc-options: -Wall
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@ -1,64 +0,0 @@
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{-# language AllowAmbiguousTypes #-}
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{-# language DataKinds #-}
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{-# language DeriveGeneric #-}
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{-# language FlexibleContexts #-}
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{-# language OverloadedStrings #-}
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{-# language ScopedTypeVariables #-}
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{-# language TypeApplications #-}
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{-# language TypeOperators #-}
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module Main where
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import qualified Data.Text as T
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import GHC.Generics (Generic)
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import System.Environment
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import Mu.GRpc.Client.Record
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import Definition
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data HealthCall = HealthCall
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{ setStatus :: HealthStatusMsg -> IO (GRpcReply ())
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, check :: HealthCheckMsg -> IO (GRpcReply ServerStatusMsg)
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, clearStatus :: HealthCheckMsg -> IO (GRpcReply ())
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, checkAll :: IO (GRpcReply AllStatusMsg)
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, cleanAll :: IO (GRpcReply ())
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-- , watch :: HealthCheckMsg -> IO (ConduitT () (GRpcReply ServerStatusMsg) IO ())
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} deriving (Generic)
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buildHealthCall :: GrpcClient -> HealthCall
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buildHealthCall = buildService @'MsgAvro @HealthCheckService @"HealthCheckServiceFS2" @""
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main :: IO ()
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main = do -- Setup the client
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let config = grpcClientConfigSimple "127.0.0.1" 50051 False
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Right grpcClient <- setupGrpcClient' config
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let client = buildHealthCall grpcClient
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-- Execute command
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args <- getArgs
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case args of
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-- ["watch" , who] -> watching client who
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["simple", who] -> simple client who
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["update", who] -> update client who "SERVING"
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["update", who, newstatus] -> update client who newstatus
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_ -> putStrLn "unknown command"
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simple :: HealthCall -> String -> IO ()
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simple client who = do
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let hcm = HealthCheckMsg (T.pack who)
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putStrLn ("UNARY: Is there some server named " <> who <> "?")
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rknown <- check client hcm
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putStrLn ("UNARY: Actually the status is " <> show rknown)
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update client who "SERVING"
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r <- clearStatus client hcm
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putStrLn ("UNARY: Was clearing successful? " <> show r)
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runknown <- check client hcm
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putStrLn ("UNARY: Current status of " <> who <> ": " <> show runknown)
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update :: HealthCall -> String -> String -> IO ()
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update client who newstatus = do
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let hcm = HealthCheckMsg (T.pack who)
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putStrLn ("UNARY: Setting " <> who <> " service to " <> newstatus)
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r <- setStatus client (HealthStatusMsg hcm (ServerStatusMsg (T.pack newstatus)))
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putStrLn ("UNARY: Was setting successful? " <> show r)
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rstatus <- check client hcm
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putStrLn ("UNARY: Checked the status of " <> who <> ". Obtained: " <> show rstatus)
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@ -1,52 +0,0 @@
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{-# language AllowAmbiguousTypes #-}
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{-# language DataKinds #-}
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{-# language FlexibleContexts #-}
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{-# language OverloadedStrings #-}
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{-# language ScopedTypeVariables #-}
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{-# language TypeApplications #-}
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{-# language TypeOperators #-}
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module Main where
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import qualified Data.Text as T
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import System.Environment
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import Mu.GRpc.Client.TyApps
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import Definition
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main :: IO ()
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main = do -- Setup the client
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let config = grpcClientConfigSimple "127.0.0.1" 50051 False
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Right client <- setupGrpcClient' config
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-- Execute command
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args <- getArgs
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case args of
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["simple", who] -> simple client who
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["update", who] -> update client who "SERVING"
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["update", who, newstatus] -> update client who newstatus
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_ -> putStrLn "unknown command"
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simple :: GrpcClient -> String -> IO ()
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simple client who = do
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let hcm = HealthCheckMsg (T.pack who)
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putStrLn ("UNARY: Is there some server named " <> who <> "?")
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rknown :: GRpcReply ServerStatusMsg
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<- gRpcCall @'MsgAvro @HealthCheckService @"HealthCheckServiceFS2" @"check" client hcm
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putStrLn ("UNARY: Actually the status is " <> show rknown)
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update client who "SERVING"
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r <- gRpcCall @'MsgAvro @HealthCheckService @"HealthCheckServiceFS2" @"clearStatus" client hcm
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putStrLn ("UNARY: Was clearing successful? " <> show r)
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runknown :: GRpcReply ServerStatusMsg
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<- gRpcCall @'MsgAvro @HealthCheckService @"HealthCheckServiceFS2" @"check" client hcm
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putStrLn ("UNARY: Current status of " <> who <> ": " <> show runknown)
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update :: GrpcClient -> String -> String -> IO ()
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update client who newstatus = do
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let hcm = HealthCheckMsg (T.pack who)
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putStrLn ("UNARY: Setting " <> who <> " service to " <> newstatus)
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r <- gRpcCall @'MsgAvro @HealthCheckService @"HealthCheckServiceFS2" @"setStatus" client
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(HealthStatusMsg hcm (ServerStatusMsg (T.pack newstatus)))
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putStrLn ("UNARY: Was setting successful? " <> show r)
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rstatus :: GRpcReply ServerStatusMsg
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<- gRpcCall @'MsgAvro @HealthCheckService @"HealthCheckServiceFS2" @"check" client hcm
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putStrLn ("UNARY: Checked the status of " <> who <> ". Obtained: " <> show rstatus)
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@ -1,47 +0,0 @@
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{-# language CPP #-}
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{-# language DataKinds #-}
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{-# language DeriveAnyClass #-}
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{-# language DeriveGeneric #-}
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{-# language DuplicateRecordFields #-}
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{-# language FlexibleContexts #-}
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{-# language FlexibleInstances #-}
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{-# language MultiParamTypeClasses #-}
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{-# language OverloadedLabels #-}
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{-# language PolyKinds #-}
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{-# language TemplateHaskell #-}
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{-# language TypeFamilies #-}
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{-# language TypeOperators #-}
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module Definition where
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import Data.Text as T
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import GHC.Generics
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import Mu.Quasi.Avro
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import Mu.Schema
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#if __GHCIDE__
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avdl "HealthCheckSchema" "HealthCheckService" "examples/health-check/avro" "healthcheck.avdl"
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#else
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avdl "HealthCheckSchema" "HealthCheckService" "." "healthcheck.avdl"
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#endif
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newtype HealthCheckMsg
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= HealthCheckMsg { nameService :: T.Text }
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deriving ( Eq, Show, Ord, Generic
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, ToSchema HealthCheckSchema "HealthCheck"
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, FromSchema HealthCheckSchema "HealthCheck" )
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newtype ServerStatusMsg
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= ServerStatusMsg { status :: T.Text }
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deriving ( Eq, Show, Ord, Generic
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, ToSchema HealthCheckSchema "ServerStatus"
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, FromSchema HealthCheckSchema "ServerStatus" )
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data HealthStatusMsg
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= HealthStatusMsg { hc :: HealthCheckMsg, status :: ServerStatusMsg }
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deriving ( Eq, Show, Ord, Generic
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, ToSchema HealthCheckSchema "HealthStatus"
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, FromSchema HealthCheckSchema "HealthStatus" )
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newtype AllStatusMsg
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= AllStatusMsg { all :: [HealthStatusMsg] }
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deriving ( Eq, Show, Ord, Generic
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, ToSchema HealthCheckSchema "AllStatus"
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, FromSchema HealthCheckSchema "AllStatus" )
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@ -1,87 +0,0 @@
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{-# language OverloadedStrings #-}
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{-# language PartialTypeSignatures #-}
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{-# OPTIONS_GHC -fno-warn-partial-type-signatures #-}
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module Main where
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import Control.Concurrent.STM
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import Data.Conduit.TMChan
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import Data.Maybe (fromMaybe)
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import qualified Data.Text as T
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import DeferredFolds.UnfoldlM
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import qualified StmContainers.Map as M
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import Mu.GRpc.Server
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import Mu.Server
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import Definition
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main :: IO ()
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main = do
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m <- M.newIO
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upd <- newTBMChanIO 100
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putStrLn "running health check application"
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runGRpcApp msgAvro 50051 (server m upd)
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-- Server implementation
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-- https://github.com/higherkindness/mu/blob/master/modules/health-check-unary/src/main/scala/higherkindness/mu/rpc/healthcheck/unary/handler/HealthServiceImpl.scala
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type StatusMap = M.Map T.Text T.Text
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type StatusUpdates = TBMChan HealthStatusMsg
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server :: StatusMap -> StatusUpdates -> ServerIO HealthCheckService _
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server m upd = Server (
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checkH_ m :<|>:
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checkAll_ m :<|>:
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cleanAll_ m :<|>:
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clearStatus_ m :<|>:
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setStatus_ m upd :<|>:
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{- watch_ upd :<|>: -} H0)
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setStatus_ :: StatusMap -> StatusUpdates -> HealthStatusMsg -> ServerErrorIO ()
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setStatus_ m upd s@(HealthStatusMsg (HealthCheckMsg nm) (ServerStatusMsg ss))
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= alwaysOk $ do
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putStr "setStatus: " >> print (nm, ss)
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atomically $ do
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M.insert ss nm m
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writeTBMChan upd s
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print =<< atomically (M.lookup nm m)
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checkH_ :: StatusMap -> HealthCheckMsg -> ServerErrorIO ServerStatusMsg
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checkH_ m (HealthCheckMsg nm) = alwaysOk $ do
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putStr "check: " >> print nm
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ss <- atomically $ M.lookup nm m
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print ss
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pure $ ServerStatusMsg (fromMaybe "<unknown>" ss)
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clearStatus_ :: StatusMap -> HealthCheckMsg -> ServerErrorIO ()
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clearStatus_ m (HealthCheckMsg nm) = alwaysOk $ do
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putStr "clearStatus: " >> print nm
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atomically $ M.delete nm m
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checkAll_ :: StatusMap -> ServerErrorIO AllStatusMsg
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checkAll_ m = alwaysOk $ do
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putStrLn "checkAll"
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AllStatusMsg <$> atomically (consumeValues kvToStatus (M.unfoldlM m))
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where
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consumeValues :: Monad m => (k -> v -> a) -> UnfoldlM m (k,v) -> m [a]
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consumeValues f = foldlM' (\xs (x,y) -> pure (f x y:xs)) []
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kvToStatus k v = HealthStatusMsg (HealthCheckMsg k) (ServerStatusMsg v)
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cleanAll_ :: StatusMap -> ServerErrorIO ()
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cleanAll_ m = alwaysOk $ do
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putStrLn "cleanAll"
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atomically $ M.reset m
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{- Note: no "streams" in avro
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watch_ :: StatusUpdates
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-> HealthCheckMsg
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-> ConduitT ServerStatusMsg Void ServerErrorIO ()
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-> ServerErrorIO ()
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watch_ upd hcm@(HealthCheckMsg nm) sink = do
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alwaysOk (putStr "watch: " >> print nm)
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runConduit $ sourceTBMChan upd
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.| C.filter (\(HealthStatusMsg c _) -> hcm == c)
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.| C.map (\(HealthStatusMsg _ s) -> s)
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.| sink
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-}
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1
examples/health-check/hie.yaml
Normal file
1
examples/health-check/hie.yaml
Normal file
@ -0,0 +1 @@
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cradle: { stack: { component: "mu-example-health-check:exe:health-server" } }
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@ -1,4 +1,4 @@
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name: mu-example-health-check-protobuf
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name: mu-example-health-check
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version: 0.3.0.0
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synopsis:
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Example health-check project from mu-scala (with protobuf) ported to mu-haskell
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@ -17,27 +17,31 @@ cabal-version: >=1.10
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data-files: healthcheck.proto
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bug-reports: https://github.com/higherkindness/mu-haskell/issues
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executable health-server-protobuf
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executable health-server
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main-is: Server.hs
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other-modules: Definition
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build-depends:
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base >=4.12 && <5
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, conduit
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, deferred-folds
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, mu-grpc-server >=0.2.0
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, mu-protobuf >=0.2.0
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, mu-rpc >=0.2.0
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, mu-schema >=0.2.0
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, mu-graphql
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, mu-grpc-server >=0.3.0
|
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, mu-protobuf >=0.3.0
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, mu-rpc >=0.3.0
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, mu-schema >=0.3.0
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, stm
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, stm-conduit
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, stm-containers
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, text
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, wai
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, wai-route
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, warp
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|
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hs-source-dirs: src
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default-language: Haskell2010
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ghc-options: -Wall
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|
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executable health-client-tyapps-protobuf
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executable health-client-tyapps
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main-is: ClientTyApps.hs
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other-modules: Definition
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build-depends:
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@ -53,7 +57,7 @@ executable health-client-tyapps-protobuf
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default-language: Haskell2010
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ghc-options: -Wall
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|
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executable health-client-record-protobuf
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executable health-client-record
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main-is: ClientRecord.hs
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other-modules: Definition
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build-depends:
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@ -1 +0,0 @@
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cradle: { stack: { component: "mu-example-health-check-protobuf:exe:health-server-protobuf" } }
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@ -1,5 +1,7 @@
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{-# language DataKinds #-}
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{-# language OverloadedStrings #-}
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{-# language PartialTypeSignatures #-}
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{-# language TypeApplications #-}
|
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{-# OPTIONS_GHC -fno-warn-partial-type-signatures #-}
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|
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module Main where
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@ -9,10 +11,14 @@ import Data.Conduit
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import qualified Data.Conduit.Combinators as C
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import Data.Conduit.TMChan
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import Data.Maybe (fromMaybe)
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import Data.Proxy
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import qualified Data.Text as T
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import DeferredFolds.UnfoldlM
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import Network.Wai.Handler.Warp
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import Network.Wai.Route
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import qualified StmContainers.Map as M
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import Mu.GraphQL.Server
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import Mu.GRpc.Server
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import Mu.Server
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@ -23,7 +29,15 @@ main = do
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m <- M.newIO
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upd <- newTBMChanIO 100
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putStrLn "running health check application"
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runGRpcApp msgProtoBuf 50051 (server m upd)
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let s = server m upd
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run 50051 $ flip route app404 $ compileRoutes
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[ defRoute (str "proto" ./ end) $
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\_ -> gRpcApp msgProtoBuf s
|
||||
, defRoute (str "avro" ./ end) $
|
||||
\_ -> gRpcApp msgAvro s
|
||||
, defRoute (str "graphql" ./ end) $
|
||||
\_ -> graphQLApp s (Proxy @"HealthCheckServiceFS2") (Proxy @"HealthCheckServiceFS2")
|
||||
]
|
||||
|
||||
-- Server implementation
|
||||
-- https://github.com/higherkindness/mu/blob/master/modules/health-check-unary/src/main/scala/higherkindness/mu/rpc/healthcheck/unary/handler/HealthServiceImpl.scala
|
||||
@ -1,202 +0,0 @@
|
||||
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
|
||||
|
||||
"License" shall mean the terms and conditions for use, reproduction,
|
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|
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|
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|
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|
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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|
||||
@ -1,18 +0,0 @@
|
||||
# Seed RPC example with Avro!
|
||||
|
||||
## Execution
|
||||
|
||||
Running the server:
|
||||
|
||||
```bash
|
||||
stack run mu-example-seed-avro
|
||||
```
|
||||
|
||||
[comment]: # (Start Copyright)
|
||||
# Copyright
|
||||
|
||||
Mu is designed and developed by 47 Degrees
|
||||
|
||||
Copyright © 2020 47 Degrees. <http://47deg.com>
|
||||
|
||||
[comment]: # (End Copyright)
|
||||
@ -1 +0,0 @@
|
||||
cradle: { stack: { component: "mu-example-seed-avro:exe:seed-server" } }
|
||||
@ -1,39 +0,0 @@
|
||||
name: mu-example-seed-avro
|
||||
version: 0.3.0.0
|
||||
synopsis:
|
||||
Example seed project from mu-scala (with avro) ported to mu-haskell
|
||||
|
||||
description:
|
||||
Example seed project from mu-scala (with avro) ported to mu-haskell.
|
||||
|
||||
license: Apache-2.0
|
||||
license-file: LICENSE
|
||||
author: Flavio Corpa, Alejandro Serrano
|
||||
maintainer: flavio.corpa@47deg.com
|
||||
copyright: Copyright © 2020 47 Degrees. <http://47deg.com>
|
||||
category: Web
|
||||
build-type: Simple
|
||||
cabal-version: >=1.10
|
||||
extra-source-files: README.md
|
||||
data-files: seed.avdl
|
||||
homepage:
|
||||
https://github.com/higherkindness/mu-haskell/examples/seed/avro#readme
|
||||
|
||||
bug-reports: https://github.com/higherkindness/mu-haskell/issues
|
||||
|
||||
executable mu-example-seed-avro
|
||||
hs-source-dirs: src
|
||||
main-is: Main.hs
|
||||
other-modules: Schema
|
||||
default-language: Haskell2010
|
||||
build-depends:
|
||||
base >=4.12 && <5
|
||||
, monad-logger
|
||||
, mu-avro >=0.2.0
|
||||
, mu-grpc-server >=0.2.0
|
||||
, mu-optics >=0.2.0
|
||||
, mu-rpc >=0.2.0
|
||||
, mu-schema >=0.2.0
|
||||
, text
|
||||
|
||||
ghc-options: -Wall -fprint-potential-instances
|
||||
@ -1,40 +0,0 @@
|
||||
{-# language DataKinds #-}
|
||||
{-# language DuplicateRecordFields #-}
|
||||
{-# language FlexibleContexts #-}
|
||||
{-# language OverloadedLabels #-}
|
||||
{-# language OverloadedStrings #-}
|
||||
{-# language PartialTypeSignatures #-}
|
||||
{-# language TypeOperators #-}
|
||||
{-# OPTIONS_GHC -fno-warn-partial-type-signatures #-}
|
||||
|
||||
module Main where
|
||||
|
||||
import Control.Monad.Logger
|
||||
import Data.Int
|
||||
import Mu.GRpc.Server
|
||||
import Mu.Schema
|
||||
import Mu.Schema.Optics
|
||||
import Mu.Server
|
||||
|
||||
import Schema
|
||||
|
||||
type Person = Term SeedSchema (SeedSchema :/: "Person")
|
||||
type PeopleRequest = Term SeedSchema (SeedSchema :/: "PeopleRequest")
|
||||
type PeopleResponse = Term SeedSchema (SeedSchema :/: "PeopleResponse")
|
||||
|
||||
main :: IO ()
|
||||
main = do
|
||||
putStrLn "running seed application"
|
||||
runGRpcAppTrans msgAvro 8080 runStderrLoggingT server
|
||||
|
||||
-- Server implementation
|
||||
-- https://github.com/higherkindness/mu/blob/master/modules/examples/seed/server/modules/process/src/main/scala/example/seed/server/process/ProtoPeopleServiceHandler.scala
|
||||
|
||||
server :: (MonadServer m, MonadLogger m) => SingleServerT PeopleService m _
|
||||
server = Server (getPerson :<|>: H0)
|
||||
|
||||
evolvePerson :: PeopleRequest -> PeopleResponse
|
||||
evolvePerson req = record1 (review _U0 $ record (req ^. #name, 18 :: Int32))
|
||||
|
||||
getPerson :: Monad m => PeopleRequest -> m PeopleResponse
|
||||
getPerson = pure . evolvePerson
|
||||
@ -1,21 +0,0 @@
|
||||
{-# language CPP #-}
|
||||
{-# language DataKinds #-}
|
||||
{-# language DeriveAnyClass #-}
|
||||
{-# language DeriveGeneric #-}
|
||||
{-# language DuplicateRecordFields #-}
|
||||
{-# language FlexibleContexts #-}
|
||||
{-# language FlexibleInstances #-}
|
||||
{-# language MultiParamTypeClasses #-}
|
||||
{-# language PolyKinds #-}
|
||||
{-# language TemplateHaskell #-}
|
||||
{-# language TypeFamilies #-}
|
||||
{-# language TypeOperators #-}
|
||||
module Schema where
|
||||
|
||||
import Mu.Quasi.Avro
|
||||
|
||||
#if __GHCIDE__
|
||||
avdl "SeedSchema" "PeopleService" "examples/seed/avro" "seed.avdl"
|
||||
#else
|
||||
avdl "SeedSchema" "PeopleService" "." "seed.avdl"
|
||||
#endif
|
||||
@ -1,17 +0,0 @@
|
||||
resolver: lts-14.22
|
||||
allow-newer: true
|
||||
extra-deps:
|
||||
# mu
|
||||
- mu-schema-0.1.0.0
|
||||
- mu-rpc-0.1.0.0
|
||||
- mu-optics-0.1.0.0
|
||||
- mu-avro-0.1.0.0
|
||||
- mu-grpc-server-0.1.0.1
|
||||
- compendium-client-0.1.0.1
|
||||
# dependencies of mu
|
||||
- http2-client-0.9.0.0
|
||||
- http2-grpc-types-0.5.0.0
|
||||
- http2-grpc-proto3-wire-0.1.0.0
|
||||
- warp-grpc-0.3.0.0
|
||||
- proto3-wire-1.1.0
|
||||
- language-protobuf-1.0.1
|
||||
1
examples/seed/hie.yaml
Normal file
1
examples/seed/hie.yaml
Normal file
@ -0,0 +1 @@
|
||||
cradle: { stack: { component: "mu-example-seed:exe:seed-server" } }
|
||||
@ -1,4 +1,4 @@
|
||||
name: mu-example-seed-protobuf
|
||||
name: mu-example-seed
|
||||
version: 0.3.0.0
|
||||
synopsis:
|
||||
Example seed project from mu-scala (with protobuf) ported to mu-haskell
|
||||
@ -30,12 +30,16 @@ executable seed-server
|
||||
base >=4.12 && <5
|
||||
, conduit
|
||||
, monad-logger
|
||||
, mu-grpc-server >=0.2.0
|
||||
, mu-protobuf >=0.2.0
|
||||
, mu-rpc >=0.2.0
|
||||
, mu-schema >=0.2.0
|
||||
, mu-graphql
|
||||
, mu-grpc-server >=0.3.0
|
||||
, mu-protobuf >=0.3.0
|
||||
, mu-rpc >=0.3.0
|
||||
, mu-schema >=0.3.0
|
||||
, stm
|
||||
, text
|
||||
, wai
|
||||
, wai-route
|
||||
, warp
|
||||
|
||||
executable seed-server-optics
|
||||
hs-source-dirs: src
|
||||
3
examples/seed/protobuf/.gitignore
vendored
3
examples/seed/protobuf/.gitignore
vendored
@ -1,3 +0,0 @@
|
||||
.stack-work/
|
||||
stack*.yaml.lock
|
||||
*~
|
||||
@ -1,202 +0,0 @@
|
||||
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
|
||||
|
||||
"License" shall mean the terms and conditions for use, reproduction,
|
||||
and distribution as defined by Sections 1 through 9 of this document.
|
||||
|
||||
"Licensor" shall mean the copyright owner or entity authorized by
|
||||
the copyright owner that is granting the License.
|
||||
|
||||
"Legal Entity" shall mean the union of the acting entity and all
|
||||
other entities that control, are controlled by, or are under common
|
||||
control with that entity. For the purposes of this definition,
|
||||
"control" means (i) the power, direct or indirect, to cause the
|
||||
direction or management of such entity, whether by contract or
|
||||
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||
outstanding shares, or (iii) beneficial ownership of such entity.
|
||||
|
||||
"You" (or "Your") shall mean an individual or Legal Entity
|
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exercising permissions granted by this License.
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|
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"Source" form shall mean the preferred form for making modifications,
|
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including but not limited to software source code, documentation
|
||||
source, and configuration files.
|
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|
||||
"Object" form shall mean any form resulting from mechanical
|
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transformation or translation of a Source form, including but
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not limited to compiled object code, generated documentation,
|
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and conversions to other media types.
|
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|
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"Work" shall mean the work of authorship, whether in Source or
|
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Object form, made available under the License, as indicated by a
|
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copyright notice that is included in or attached to the work
|
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(an example is provided in the Appendix below).
|
||||
|
||||
"Derivative Works" shall mean any work, whether in Source or Object
|
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form, that is based on (or derived from) the Work and for which the
|
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editorial revisions, annotations, elaborations, or other modifications
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represent, as a whole, an original work of authorship. For the purposes
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of this License, Derivative Works shall not include works that remain
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separable from, or merely link (or bind by name) to the interfaces of,
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"Contribution" shall mean any work of authorship, including
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the original version of the Work and any modifications or additions
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submitted to Licensor for inclusion in the Work by the copyright owner
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or by an individual or Legal Entity authorized to submit on behalf of
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the copyright owner. For the purposes of this definition, "submitted"
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means any form of electronic, verbal, or written communication sent
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to the Licensor or its representatives, including but not limited to
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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limitations under the License.
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||||
@ -1,2 +0,0 @@
|
||||
import Distribution.Simple
|
||||
main = defaultMain
|
||||
@ -1 +0,0 @@
|
||||
cradle: { stack: { component: "mu-example-seed-protobuf:exe:seed-server" } }
|
||||
@ -5,6 +5,7 @@
|
||||
{-# language FlexibleContexts #-}
|
||||
{-# language OverloadedStrings #-}
|
||||
{-# language PartialTypeSignatures #-}
|
||||
{-# language TypeApplications #-}
|
||||
{-# OPTIONS_GHC -fno-warn-partial-type-signatures #-}
|
||||
|
||||
module Main where
|
||||
@ -17,9 +18,13 @@ import Data.Conduit.Combinators as C
|
||||
import Data.Int
|
||||
import Data.Text as T
|
||||
import GHC.Generics
|
||||
import Mu.GraphQL.Server
|
||||
import Mu.GRpc.Server
|
||||
import Mu.Schema
|
||||
import Mu.Server
|
||||
import Network.Wai
|
||||
import Network.Wai.Handler.Warp
|
||||
import Network.Wai.Route
|
||||
|
||||
import Schema
|
||||
|
||||
@ -45,7 +50,15 @@ newtype PeopleResponse = PeopleResponse
|
||||
main :: IO ()
|
||||
main = do
|
||||
putStrLn "running seed application"
|
||||
runGRpcAppTrans msgProtoBuf 8080 runStderrLoggingT server
|
||||
run 8080 $ flip route app404 $ compileRoutes
|
||||
[ defRoute (str "proto" ./ end) $
|
||||
\_ -> gRpcAppTrans msgProtoBuf runStderrLoggingT server
|
||||
, defRoute (str "avro" ./ end) $
|
||||
\_ -> gRpcAppTrans msgAvro runStderrLoggingT server
|
||||
, defRoute (str "graphql" ./ end) $
|
||||
\_ -> graphQLAppTrans runStderrLoggingT server (Proxy @"PeopleService") (Proxy @"PeopleService")
|
||||
]
|
||||
|
||||
|
||||
-- Server implementation
|
||||
-- https://github.com/higherkindness/mu/blob/master/modules/examples/seed/server/modules/process/src/main/scala/example/seed/server/process/ProtoPeopleServiceHandler.scala
|
||||
@ -26,6 +26,7 @@ library
|
||||
aeson
|
||||
, base >=4.12 && <5
|
||||
, bytestring
|
||||
, conduit
|
||||
, graphql-parser
|
||||
, http-types
|
||||
, mtl
|
||||
@ -33,6 +34,8 @@ library
|
||||
, mu-schema
|
||||
, scientific
|
||||
, sop-core
|
||||
, stm-chans
|
||||
, stm-conduit
|
||||
, text
|
||||
, unordered-containers
|
||||
, wai
|
||||
|
||||
@ -32,10 +32,13 @@ data ChosenMethodQuery (p :: Package snm mnm anm) (m :: Method snm mnm anm) wher
|
||||
ChosenMethodQuery
|
||||
:: NP (ArgumentValue p) args
|
||||
-> ReturnQuery p r
|
||||
-> ChosenMethodQuery p ('Method mname anns args ('RetSingle r))
|
||||
-> ChosenMethodQuery p ('Method mname anns args r)
|
||||
|
||||
data ArgumentValue (p :: Package snm mnm anm) (a :: Argument snm anm) where
|
||||
ArgumentValue :: ArgumentValue' p r -> ArgumentValue p ('ArgSingle aname anns r)
|
||||
ArgumentValue :: ArgumentValue' p r
|
||||
-> ArgumentValue p ('ArgSingle aname anns r)
|
||||
ArgumentStream :: ArgumentValue' p ('ListRef r)
|
||||
-> ArgumentValue p ('ArgStream aname anns r)
|
||||
|
||||
data ArgumentValue' (p :: Package snm mnm anm) (r :: TypeRef snm) where
|
||||
ArgPrimitive :: t -> ArgumentValue' p ('PrimitiveRef t)
|
||||
@ -46,14 +49,19 @@ data ArgumentValue' (p :: Package snm mnm anm) (r :: TypeRef snm) where
|
||||
ArgOptional :: Maybe (ArgumentValue' p r)
|
||||
-> ArgumentValue' p ('OptionalRef r)
|
||||
|
||||
data ReturnQuery (p :: Package snm mnm anm) (r :: TypeRef snm) where
|
||||
RetPrimitive :: ReturnQuery p ('PrimitiveRef t)
|
||||
data ReturnQuery (p :: Package snm mnm anm) (r :: Return snm) where
|
||||
RNothing :: ReturnQuery p 'RetNothing
|
||||
RSingle :: ReturnQuery' p r -> ReturnQuery p ('RetSingle r)
|
||||
RStream :: ReturnQuery' p r -> ReturnQuery p ('RetStream r)
|
||||
|
||||
data ReturnQuery' (p :: Package snm mnm anm) (r :: TypeRef snm) where
|
||||
RetPrimitive :: ReturnQuery' p ('PrimitiveRef t)
|
||||
RetSchema :: SchemaQuery sch (sch :/: sty)
|
||||
-> ReturnQuery p ('SchemaRef sch sty)
|
||||
RetList :: ReturnQuery p r -> ReturnQuery p ('ListRef r)
|
||||
RetOptional :: ReturnQuery p r -> ReturnQuery p ('OptionalRef r)
|
||||
-> ReturnQuery' p ('SchemaRef sch sty)
|
||||
RetList :: ReturnQuery' p r -> ReturnQuery' p ('ListRef r)
|
||||
RetOptional :: ReturnQuery' p r -> ReturnQuery' p ('OptionalRef r)
|
||||
RetObject :: ServiceQuery ('Package pname ss) (LookupService ss s)
|
||||
-> ReturnQuery ('Package pname ss) ('ObjectRef s)
|
||||
-> ReturnQuery' ('Package pname ss) ('ObjectRef s)
|
||||
|
||||
data SchemaQuery (sch :: Schema tn fn) (t :: TypeDef tn fn) where
|
||||
QueryEnum :: SchemaQuery sch ('DEnum nm choices)
|
||||
|
||||
@ -170,13 +170,13 @@ instance ParseMethod p '[] where
|
||||
selectMethod tyName _ _ (GQL.unName -> wanted) _ _
|
||||
= throwError $ "field '" <> wanted <> "' was not found on type '" <> tyName <> "'"
|
||||
instance
|
||||
(KnownSymbol mname, ParseMethod p ms, ParseArgs p args, ParseReturn p r) =>
|
||||
ParseMethod p ('Method mname manns args ('RetSingle r) ': ms)
|
||||
(KnownSymbol mname, ParseMethod p ms, ParseArgs p args, ParseDifferentReturn p r) =>
|
||||
ParseMethod p ('Method mname manns args r ': ms)
|
||||
where
|
||||
selectMethod tyName vmap frmap w@(GQL.unName -> wanted) args sels
|
||||
| wanted == mname
|
||||
= Z <$> (ChosenMethodQuery <$> parseArgs vmap args
|
||||
<*> parseReturn vmap frmap wanted sels)
|
||||
<*> parseDiffReturn vmap frmap wanted sels)
|
||||
| otherwise
|
||||
= S <$> selectMethod tyName vmap frmap w args sels
|
||||
where
|
||||
@ -190,6 +190,20 @@ class ParseArgs (p :: Package') (args :: [Argument']) where
|
||||
|
||||
instance ParseArgs p '[] where
|
||||
parseArgs _ _ = pure Nil
|
||||
-- one single argument without name
|
||||
instance ParseArg p a
|
||||
=> ParseArgs p '[ 'ArgSingle 'Nothing anns a ] where
|
||||
parseArgs vmap [GQL.Argument _ x]
|
||||
= (\v -> ArgumentValue v :* Nil) <$> parseArg' vmap "arg" x
|
||||
parseArgs _ _
|
||||
= throwError "this field receives one single argument"
|
||||
instance ParseArg p a
|
||||
=> ParseArgs p '[ 'ArgStream 'Nothing anns a ] where
|
||||
parseArgs vmap [GQL.Argument _ x]
|
||||
= (\v -> ArgumentStream v :* Nil) <$> parseArg' vmap "arg" x
|
||||
parseArgs _ _
|
||||
= throwError "this field receives one single argument"
|
||||
-- more than one argument
|
||||
instance (KnownName aname, ParseArg p a, ParseArgs p as, FindDefaultArgValue aanns)
|
||||
=> ParseArgs p ('ArgSingle ('Just aname) aanns a ': as) where
|
||||
parseArgs vmap args
|
||||
@ -202,6 +216,18 @@ instance (KnownName aname, ParseArg p a, ParseArgs p as, FindDefaultArgValue aan
|
||||
-> do x <- findDefaultArgValue (Proxy @aanns) aname
|
||||
(:*) <$> (ArgumentValue <$> parseArg' vmap aname (constToValue x))
|
||||
<*> parseArgs vmap args
|
||||
instance (KnownName aname, ParseArg p a, ParseArgs p as, FindDefaultArgValue aanns)
|
||||
=> ParseArgs p ('ArgStream ('Just aname) aanns a ': as) where
|
||||
parseArgs vmap args
|
||||
= let aname = T.pack $ nameVal (Proxy @aname)
|
||||
in case find ((== nameVal (Proxy @aname)) . T.unpack . GQL.unName . GQL._aName) args of
|
||||
Just (GQL.Argument _ x)
|
||||
-> (:*) <$> (ArgumentStream <$> parseArg' vmap aname x)
|
||||
<*> parseArgs vmap args
|
||||
Nothing
|
||||
-> do x <- findDefaultArgValue (Proxy @aanns) aname
|
||||
(:*) <$> (ArgumentStream <$> parseArg' vmap aname (constToValue x))
|
||||
<*> parseArgs vmap args
|
||||
|
||||
class FindDefaultArgValue (vs :: [Type]) where
|
||||
findDefaultArgValue :: MonadError T.Text f
|
||||
@ -401,18 +427,41 @@ instance (ValueParser sch r) => ValueParser sch ('TList r) where
|
||||
= FList <$> traverse (valueParser' vmap fname) xs
|
||||
valueParser _ fname _
|
||||
= throwError $ "field '" <> fname <> "' was not of right type"
|
||||
instance (ValueParser sch r) => ValueParser sch ('TOption r) where
|
||||
valueParser _ _ GQL.VNull
|
||||
= pure $ FOption Nothing
|
||||
valueParser vmap fname v
|
||||
= FOption . Just <$> valueParser' vmap fname v
|
||||
instance (ObjectOrEnumParser sch (sch :/: sty), KnownName sty)
|
||||
=> ValueParser sch ('TSchematic sty) where
|
||||
valueParser vmap _ v
|
||||
= FSchematic <$> parseObjectOrEnum' vmap (T.pack $ nameVal (Proxy @sty)) v
|
||||
|
||||
class ParseDifferentReturn (p :: Package') (r :: Return Symbol) where
|
||||
parseDiffReturn :: MonadError T.Text f
|
||||
=> VariableMap
|
||||
-> FragmentMap
|
||||
-> T.Text
|
||||
-> GQL.SelectionSet
|
||||
-> f (ReturnQuery p r)
|
||||
instance ParseDifferentReturn p 'RetNothing where
|
||||
parseDiffReturn _ _ _ [] = pure RNothing
|
||||
parseDiffReturn _ _ fname _
|
||||
= throwError $ "field '" <> fname <> "' should not have a selection of subfields"
|
||||
instance ParseReturn p r => ParseDifferentReturn p ('RetSingle r) where
|
||||
parseDiffReturn vmap frmap fname s
|
||||
= RSingle <$> parseReturn vmap frmap fname s
|
||||
instance ParseReturn p r => ParseDifferentReturn p ('RetStream r) where
|
||||
parseDiffReturn vmap frmap fname s
|
||||
= RStream <$> parseReturn vmap frmap fname s
|
||||
|
||||
class ParseReturn (p :: Package') (r :: TypeRef Symbol) where
|
||||
parseReturn :: MonadError T.Text f
|
||||
=> VariableMap
|
||||
-> FragmentMap
|
||||
-> T.Text
|
||||
-> GQL.SelectionSet
|
||||
-> f (ReturnQuery p r)
|
||||
-> f (ReturnQuery' p r)
|
||||
|
||||
instance ParseReturn p ('PrimitiveRef t) where
|
||||
parseReturn _ _ _ []
|
||||
|
||||
@ -7,6 +7,7 @@
|
||||
{-# language OverloadedLists #-}
|
||||
{-# language OverloadedStrings #-}
|
||||
{-# language PolyKinds #-}
|
||||
{-# language RankNTypes #-}
|
||||
{-# language ScopedTypeVariables #-}
|
||||
{-# language TupleSections #-}
|
||||
{-# language TypeApplications #-}
|
||||
@ -22,14 +23,18 @@ module Mu.GraphQL.Query.Run (
|
||||
, RunQueryFindHandler
|
||||
) where
|
||||
|
||||
import Control.Monad.Except (runExceptT)
|
||||
import Control.Concurrent.STM.TMQueue
|
||||
import Control.Monad.Except (MonadError, runExceptT)
|
||||
import Control.Monad.Writer
|
||||
import qualified Data.Aeson as Aeson
|
||||
import qualified Data.Aeson.Types as Aeson
|
||||
import qualified Data.Aeson as Aeson
|
||||
import qualified Data.Aeson.Types as Aeson
|
||||
import Data.Conduit
|
||||
import Data.Conduit.Combinators (sinkList, yieldMany)
|
||||
import Data.Conduit.TQueue
|
||||
import Data.Maybe
|
||||
import qualified Data.Text as T
|
||||
import qualified Data.Text as T
|
||||
import GHC.TypeLits
|
||||
import qualified Language.GraphQL.Draft.Syntax as GQL
|
||||
import qualified Language.GraphQL.Draft.Syntax as GQL
|
||||
|
||||
import Mu.GraphQL.Query.Definition
|
||||
import Mu.GraphQL.Query.Parse
|
||||
@ -40,14 +45,14 @@ import Mu.Server
|
||||
data GraphQLError
|
||||
= GraphQLError ServerError [T.Text]
|
||||
|
||||
type GraphQLApp p pname ss qmethods mmethods hs chn qr mut qanns manns =
|
||||
type GraphQLApp m p pname ss qmethods mmethods hs chn qr mut qanns manns =
|
||||
( p ~ 'Package pname ss
|
||||
, KnownName qr
|
||||
, ParseMethod p qmethods
|
||||
, KnownName mut
|
||||
, ParseMethod p mmethods
|
||||
, RunQueryFindHandler p hs chn ss (LookupService ss qr) hs
|
||||
, RunQueryFindHandler p hs chn ss (LookupService ss mut) hs
|
||||
, RunQueryFindHandler m p hs chn ss (LookupService ss qr) hs
|
||||
, RunQueryFindHandler m p hs chn ss (LookupService ss mut) hs
|
||||
, MappingRight chn qr ~ ()
|
||||
, LookupService ss qr ~ 'Service qr qanns qmethods
|
||||
, LookupService ss mut ~ 'Service mut manns mmethods
|
||||
@ -55,13 +60,14 @@ type GraphQLApp p pname ss qmethods mmethods hs chn qr mut qanns manns =
|
||||
)
|
||||
|
||||
runPipeline
|
||||
:: forall qr mut (p :: Package') pname ss hs chn qanns qmethods manns mmethods.
|
||||
( GraphQLApp p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
=> ServerT chn p ServerErrorIO hs
|
||||
:: forall m qr mut (p :: Package') pname ss hs chn qanns qmethods manns mmethods.
|
||||
( GraphQLApp m p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
=> (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m hs
|
||||
-> Proxy qr -> Proxy mut
|
||||
-> Maybe T.Text -> VariableMapC -> GQL.ExecutableDocument
|
||||
-> IO Aeson.Value
|
||||
runPipeline svr _ _ opName vmap doc
|
||||
runPipeline f svr _ _ opName vmap doc
|
||||
= case parseDoc opName vmap doc of
|
||||
Left e ->
|
||||
pure $
|
||||
@ -69,7 +75,7 @@ runPipeline svr _ _ opName vmap doc
|
||||
("errors", Aeson.Array [
|
||||
Aeson.object [ ("message", Aeson.String e) ] ])]
|
||||
Right (d :: Document p qr mut) -> do
|
||||
(data_, errors) <- runWriterT (runDocument svr d)
|
||||
(data_, errors) <- runWriterT (runDocument f svr d)
|
||||
case errors of
|
||||
[] -> pure $ Aeson.object [ ("data", data_) ]
|
||||
_ -> pure $ Aeson.object [ ("data", data_), ("errors", Aeson.listValue errValue errors) ]
|
||||
@ -83,58 +89,61 @@ runPipeline svr _ _ opName vmap doc
|
||||
|
||||
runDocument
|
||||
:: ( p ~ 'Package pname ss
|
||||
, RunQueryFindHandler p hs chn ss (LookupService ss qr) hs
|
||||
, RunQueryFindHandler m p hs chn ss (LookupService ss qr) hs
|
||||
, MappingRight chn qr ~ ()
|
||||
, RunQueryFindHandler p hs chn ss (LookupService ss mut) hs
|
||||
, RunQueryFindHandler m p hs chn ss (LookupService ss mut) hs
|
||||
, MappingRight chn mut ~ ()
|
||||
)
|
||||
=> ServerT chn p ServerErrorIO hs
|
||||
=> (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m hs
|
||||
-> Document p qr mut
|
||||
-> WriterT [GraphQLError] IO Aeson.Value
|
||||
runDocument svr (QueryDoc q)
|
||||
= runQuery svr () q
|
||||
runDocument svr (MutationDoc q)
|
||||
= runQuery svr () q
|
||||
runDocument f svr (QueryDoc q)
|
||||
= runQuery f svr () q
|
||||
runDocument f svr (MutationDoc q)
|
||||
= runQuery f svr () q
|
||||
|
||||
runQuery
|
||||
:: forall p s pname ss hs sname sanns ms chn inh.
|
||||
( RunQueryFindHandler p hs chn ss s hs
|
||||
:: forall m p s pname ss hs sname sanns ms chn inh.
|
||||
( RunQueryFindHandler m p hs chn ss s hs
|
||||
, p ~ 'Package pname ss
|
||||
, s ~ 'Service sname sanns ms
|
||||
, inh ~ MappingRight chn sname )
|
||||
=> ServerT chn p ServerErrorIO hs
|
||||
=> (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m hs
|
||||
-> inh
|
||||
-> ServiceQuery p s
|
||||
-> WriterT [GraphQLError] IO Aeson.Value
|
||||
runQuery whole@(Services ss) = runQueryFindHandler whole ss
|
||||
runQuery f whole@(Services ss) = runQueryFindHandler f whole ss
|
||||
|
||||
class RunQueryFindHandler p whole chn ss s hs where
|
||||
class RunQueryFindHandler m p whole chn ss s hs where
|
||||
runQueryFindHandler
|
||||
:: ( p ~ 'Package pname wholess
|
||||
, s ~ 'Service sname sanns ms
|
||||
, inh ~ MappingRight chn sname )
|
||||
=> ServerT chn p ServerErrorIO whole
|
||||
-> ServicesT chn ss ServerErrorIO hs
|
||||
=> (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m whole
|
||||
-> ServicesT chn ss m hs
|
||||
-> inh
|
||||
-> ServiceQuery p s
|
||||
-> WriterT [GraphQLError] IO Aeson.Value
|
||||
|
||||
instance TypeError ('Text "Could not find handler for " ':<>: 'ShowType s)
|
||||
=> RunQueryFindHandler p whole chn '[] s '[] where
|
||||
runQueryFindHandler = error "this should never be called"
|
||||
=> RunQueryFindHandler m p whole chn '[] s '[] where
|
||||
runQueryFindHandler _ = error "this should never be called"
|
||||
instance {-# OVERLAPPABLE #-}
|
||||
RunQueryFindHandler p whole chn ss s hs
|
||||
=> RunQueryFindHandler p whole chn (other ': ss) s (h ': hs) where
|
||||
runQueryFindHandler whole (_ :<&>: that) = runQueryFindHandler whole that
|
||||
instance {-# OVERLAPS #-} (s ~ 'Service sname sanns ms, RunMethod p whole chn sname ms h)
|
||||
=> RunQueryFindHandler p whole chn (s ': ss) s (h ': hs) where
|
||||
runQueryFindHandler whole (this :<&>: _) inh queries
|
||||
RunQueryFindHandler m p whole chn ss s hs
|
||||
=> RunQueryFindHandler m p whole chn (other ': ss) s (h ': hs) where
|
||||
runQueryFindHandler f whole (_ :<&>: that) = runQueryFindHandler f whole that
|
||||
instance {-# OVERLAPS #-} (s ~ 'Service sname sanns ms, RunMethod m p whole chn sname ms h)
|
||||
=> RunQueryFindHandler m p whole chn (s ': ss) s (h ': hs) where
|
||||
runQueryFindHandler f whole (this :<&>: _) inh queries
|
||||
= Aeson.object . catMaybes <$> mapM runOneQuery queries
|
||||
where
|
||||
-- if we include the signature we have to write
|
||||
-- an explicit type signature for 'runQueryFindHandler'
|
||||
runOneQuery (OneMethodQuery nm args)
|
||||
= pass (do (val, methodName) <- runMethod whole (Proxy @sname) inh this args
|
||||
= pass (do (val, methodName) <- runMethod f whole (Proxy @sname) inh this args
|
||||
let realName = fromMaybe methodName nm
|
||||
-- choose between given name,
|
||||
-- or fallback to method name
|
||||
@ -144,43 +153,70 @@ instance {-# OVERLAPS #-} (s ~ 'Service sname sanns ms, RunMethod p whole chn s
|
||||
updateErrs :: T.Text -> GraphQLError -> GraphQLError
|
||||
updateErrs methodName (GraphQLError err loc) = GraphQLError err (methodName : loc)
|
||||
|
||||
class RunMethod p whole chn sname ms hs where
|
||||
class RunMethod m p whole chn sname ms hs where
|
||||
runMethod
|
||||
:: ( p ~ 'Package pname wholess
|
||||
, inh ~ MappingRight chn sname )
|
||||
=> ServerT chn p ServerErrorIO whole
|
||||
=> (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m whole
|
||||
-> Proxy sname -> inh
|
||||
-> HandlersT chn inh ms ServerErrorIO hs
|
||||
-> HandlersT chn inh ms m hs
|
||||
-> NS (ChosenMethodQuery p) ms
|
||||
-> WriterT [GraphQLError] IO (Maybe Aeson.Value, T.Text)
|
||||
|
||||
instance RunMethod p whole chn s '[] '[] where
|
||||
runMethod = error "this should never be called"
|
||||
instance (RunMethod p whole chn s ms hs, KnownName mname, RunHandler p whole chn args r h)
|
||||
=> RunMethod p whole chn s ('Method mname anns args ('RetSingle r) ': ms) (h ': hs) where
|
||||
runMethod whole _ inh (h :<||>: _) (Z (ChosenMethodQuery args ret))
|
||||
= (, T.pack $ nameVal (Proxy @mname)) <$> runHandler whole (h inh) args ret
|
||||
runMethod whole p inh (_ :<||>: r) (S cont)
|
||||
= runMethod whole p inh r cont
|
||||
instance RunMethod m p whole chn s '[] '[] where
|
||||
runMethod _ = error "this should never be called"
|
||||
instance (RunMethod m p whole chn s ms hs, KnownName mname, RunHandler m p whole chn args r h)
|
||||
=> RunMethod m p whole chn s ('Method mname anns args r ': ms) (h ': hs) where
|
||||
runMethod f whole _ inh (h :<||>: _) (Z (ChosenMethodQuery args ret))
|
||||
= (, T.pack $ nameVal (Proxy @mname)) <$> runHandler f whole (h inh) args ret
|
||||
runMethod f whole p inh (_ :<||>: r) (S cont)
|
||||
= runMethod f whole p inh r cont
|
||||
|
||||
class Handles chn args ('RetSingle r) ServerErrorIO h
|
||||
=> RunHandler p whole chn args r h where
|
||||
runHandler :: ServerT chn p ServerErrorIO whole
|
||||
class Handles chn args r m h
|
||||
=> RunHandler m p whole chn args r h where
|
||||
runHandler :: (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m whole
|
||||
-> h
|
||||
-> NP (ArgumentValue p) args
|
||||
-> ReturnQuery p r
|
||||
-> WriterT [GraphQLError] IO (Maybe Aeson.Value)
|
||||
|
||||
instance (ArgumentConversion chn ref t, RunHandler p whole chn rest r h)
|
||||
=> RunHandler p whole chn ('ArgSingle aname aanns ref ': rest) r (t -> h) where
|
||||
runHandler whole h (ArgumentValue one :* rest)
|
||||
= runHandler whole (h (convertArg (Proxy @chn) one)) rest
|
||||
instance (ResultConversion p whole chn r l)
|
||||
=> RunHandler p whole chn '[] r (ServerErrorIO l) where
|
||||
runHandler whole h Nil q = do
|
||||
res <- liftIO $ runExceptT h
|
||||
instance (ArgumentConversion chn ref t, RunHandler m p whole chn rest r h)
|
||||
=> RunHandler m p whole chn ('ArgSingle aname aanns ref ': rest) r (t -> h) where
|
||||
runHandler f whole h (ArgumentValue one :* rest)
|
||||
= runHandler f whole (h (convertArg (Proxy @chn) one)) rest
|
||||
instance ( MonadError ServerError m
|
||||
, FromRef chn ref t
|
||||
, ArgumentConversion chn ('ListRef ref) [t]
|
||||
, RunHandler m p whole chn rest r h )
|
||||
=> RunHandler m p whole chn ('ArgStream aname aanns ref ': rest) r (ConduitT () t m () -> h) where
|
||||
runHandler f whole h (ArgumentStream lst :* rest)
|
||||
= let converted :: [t] = convertArg (Proxy @chn) lst
|
||||
in runHandler f whole (h (yieldMany converted)) rest
|
||||
instance (MonadError ServerError m)
|
||||
=> RunHandler m p whole chn '[] 'RetNothing (m ()) where
|
||||
runHandler f _ h Nil _ = do
|
||||
res <- liftIO $ runExceptT (f h)
|
||||
case res of
|
||||
Right v -> convertResult whole q v
|
||||
Right _ -> pure $ Just Aeson.Null
|
||||
Left e -> tell [GraphQLError e []] >> pure Nothing
|
||||
instance (MonadError ServerError m, ResultConversion m p whole chn r l)
|
||||
=> RunHandler m p whole chn '[] ('RetSingle r) (m l) where
|
||||
runHandler f whole h Nil (RSingle q) = do
|
||||
res <- liftIO $ runExceptT (f h)
|
||||
case res of
|
||||
Right v -> convertResult f whole q v
|
||||
Left e -> tell [GraphQLError e []] >> pure Nothing
|
||||
instance (MonadIO m, MonadError ServerError m, ResultConversion m p whole chn r l)
|
||||
=> RunHandler m p whole chn '[] ('RetStream r) (ConduitT l Void m () -> m ()) where
|
||||
runHandler f whole h Nil (RStream q) = do
|
||||
queue <- liftIO newTMQueueIO
|
||||
res <- liftIO $ runExceptT $ f $ h (sinkTMQueue queue)
|
||||
case res of
|
||||
Right _ -> do
|
||||
info <- runConduit $ sourceTMQueue queue .| sinkList
|
||||
Just . Aeson.toJSON . catMaybes <$> traverse (convertResult f whole q) info
|
||||
Left e -> tell [GraphQLError e []] >> pure Nothing
|
||||
|
||||
class FromRef chn ref t
|
||||
@ -198,35 +234,36 @@ instance ArgumentConversion chn ref t
|
||||
=> ArgumentConversion chn ('OptionalRef ref) (Maybe t) where
|
||||
convertArg p (ArgOptional x) = convertArg p <$> x
|
||||
|
||||
class ToRef chn r l => ResultConversion p whole chn r l where
|
||||
convertResult :: ServerT chn p ServerErrorIO whole
|
||||
-> ReturnQuery p r
|
||||
class ToRef chn r l => ResultConversion m p whole chn r l where
|
||||
convertResult :: (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m whole
|
||||
-> ReturnQuery' p r
|
||||
-> l -> WriterT [GraphQLError] IO (Maybe Aeson.Value)
|
||||
|
||||
instance Aeson.ToJSON t => ResultConversion p whole chn ('PrimitiveRef t) t where
|
||||
convertResult _ RetPrimitive = pure . Just . Aeson.toJSON
|
||||
instance Aeson.ToJSON t => ResultConversion m p whole chn ('PrimitiveRef t) t where
|
||||
convertResult _ _ RetPrimitive = pure . Just . Aeson.toJSON
|
||||
instance ( ToSchema sch l r
|
||||
, RunSchemaQuery sch (sch :/: l) )
|
||||
=> ResultConversion p whole chn ('SchemaRef sch l) r where
|
||||
convertResult _ (RetSchema r) t
|
||||
=> ResultConversion m p whole chn ('SchemaRef sch l) r where
|
||||
convertResult _ _ (RetSchema r) t
|
||||
= pure $ Just $ runSchemaQuery (toSchema' @_ @_ @sch @r t) r
|
||||
instance ( MappingRight chn ref ~ t
|
||||
, MappingRight chn sname ~ t
|
||||
, LookupService ss ref ~ 'Service sname sanns ms
|
||||
, RunQueryFindHandler ('Package pname ss) whole chn ss ('Service sname sanns ms) whole)
|
||||
=> ResultConversion ('Package pname ss) whole chn ('ObjectRef ref) t where
|
||||
convertResult whole (RetObject q) h
|
||||
= Just <$> runQuery @('Package pname ss) @(LookupService ss ref) whole h q
|
||||
instance ResultConversion p whole chn r s
|
||||
=> ResultConversion p whole chn ('OptionalRef r) (Maybe s) where
|
||||
convertResult _ _ Nothing
|
||||
, RunQueryFindHandler m ('Package pname ss) whole chn ss ('Service sname sanns ms) whole)
|
||||
=> ResultConversion m ('Package pname ss) whole chn ('ObjectRef ref) t where
|
||||
convertResult f whole (RetObject q) h
|
||||
= Just <$> runQuery @m @('Package pname ss) @(LookupService ss ref) f whole h q
|
||||
instance ResultConversion m p whole chn r s
|
||||
=> ResultConversion m p whole chn ('OptionalRef r) (Maybe s) where
|
||||
convertResult _ _ _ Nothing
|
||||
= pure Nothing
|
||||
convertResult whole (RetOptional q) (Just x)
|
||||
= convertResult whole q x
|
||||
instance ResultConversion p whole chn r s
|
||||
=> ResultConversion p whole chn ('ListRef r) [s] where
|
||||
convertResult whole (RetList q) xs
|
||||
= Just . Aeson.toJSON . catMaybes <$> mapM (convertResult whole q) xs
|
||||
convertResult f whole (RetOptional q) (Just x)
|
||||
= convertResult f whole q x
|
||||
instance ResultConversion m p whole chn r s
|
||||
=> ResultConversion m p whole chn ('ListRef r) [s] where
|
||||
convertResult f whole (RetList q) xs
|
||||
= Just . Aeson.toJSON . catMaybes <$> mapM (convertResult f whole q) xs
|
||||
|
||||
class RunSchemaQuery sch r where
|
||||
runSchemaQuery
|
||||
|
||||
@ -3,13 +3,15 @@
|
||||
{-# language GADTs #-}
|
||||
{-# language OverloadedLists #-}
|
||||
{-# language OverloadedStrings #-}
|
||||
{-# language RankNTypes #-}
|
||||
{-# OPTIONS_GHC -fno-warn-orphans #-}
|
||||
|
||||
module Mu.GraphQL.Server (
|
||||
GraphQLApp
|
||||
, graphQLApp
|
||||
, runGraphQLApp
|
||||
, runGraphQLAppSettings
|
||||
, graphQLApp
|
||||
, graphQLAppTrans
|
||||
) where
|
||||
|
||||
import Control.Applicative ((<|>))
|
||||
@ -62,12 +64,21 @@ instance A.FromJSON ValueConst where
|
||||
-- for example, @wai-routes@, or you can add middleware
|
||||
-- from @wai-extra@, among others.
|
||||
graphQLApp ::
|
||||
( GraphQLApp p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
( GraphQLApp ServerErrorIO p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
=> ServerT chn p ServerErrorIO hs
|
||||
-> Proxy qr
|
||||
-> Proxy mut
|
||||
-> Application
|
||||
graphQLApp server q m req res =
|
||||
graphQLApp = graphQLAppTrans id
|
||||
|
||||
graphQLAppTrans ::
|
||||
( GraphQLApp m p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
=> (forall a. m a -> ServerErrorIO a)
|
||||
-> ServerT chn p m hs
|
||||
-> Proxy qr
|
||||
-> Proxy mut
|
||||
-> Application
|
||||
graphQLAppTrans f server q m req res =
|
||||
case parseMethod (requestMethod req) of
|
||||
Left err -> toError $ decodeUtf8 err
|
||||
Right GET -> do
|
||||
@ -96,7 +107,7 @@ graphQLApp server q m req res =
|
||||
execQuery opn vals qry =
|
||||
case parseExecutableDoc qry of
|
||||
Left err -> toError err
|
||||
Right doc -> runPipeline server q m opn vals doc >>= toResponse
|
||||
Right doc -> runPipeline f server q m opn vals doc >>= toResponse
|
||||
toError :: T.Text -> IO ResponseReceived
|
||||
toError err = toResponse $ A.object [ ("errors", A.Array [ A.object [ ("message", A.String err) ] ])]
|
||||
toResponse :: A.Value -> IO ResponseReceived
|
||||
@ -106,7 +117,7 @@ graphQLApp server q m req res =
|
||||
--
|
||||
-- Go to 'Network.Wai.Handler.Warp' to declare 'Settings'.
|
||||
runGraphQLAppSettings ::
|
||||
( GraphQLApp p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
( GraphQLApp ServerErrorIO p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
=> Settings
|
||||
-> ServerT chn p ServerErrorIO hs
|
||||
-> Proxy qr
|
||||
@ -116,7 +127,7 @@ runGraphQLAppSettings st svr q m = runSettings st (graphQLApp svr q m)
|
||||
|
||||
-- | Run a Mu 'graphQLApp' on the given port.
|
||||
runGraphQLApp ::
|
||||
( GraphQLApp p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
( GraphQLApp ServerErrorIO p pname ss qmethods mmethods hs chn qr mut qanns manns )
|
||||
=> Port
|
||||
-> ServerT chn p ServerErrorIO hs
|
||||
-> Proxy qr
|
||||
|
||||
@ -28,7 +28,7 @@ module Mu.GRpc.Server
|
||||
, runGRpcAppSettings, Settings
|
||||
, runGRpcAppTLS, TLSSettings
|
||||
-- * Convert a 'Server' into a WAI application
|
||||
, gRpcApp
|
||||
, gRpcApp, gRpcAppTrans
|
||||
-- * Raise errors as exceptions in IO
|
||||
, raiseErrors, liftServerConduit
|
||||
-- * Re-export useful instances
|
||||
|
||||
@ -13,11 +13,9 @@ packages:
|
||||
- grpc/client
|
||||
- grpc/server
|
||||
- graphql
|
||||
- examples/health-check/avro
|
||||
- examples/health-check/protobuf
|
||||
- examples/health-check
|
||||
- examples/route-guide
|
||||
- examples/seed/avro
|
||||
- examples/seed/protobuf
|
||||
- examples/seed
|
||||
- examples/todolist
|
||||
- examples/with-persistent
|
||||
- compendium-client
|
||||
@ -37,3 +35,5 @@ extra-deps:
|
||||
- HasBigDecimal-0.1.1
|
||||
- git: https://github.com/hasura/graphql-parser-hs.git
|
||||
commit: 1380495a7b3269b70a7ab3081d745a5f54171a9c
|
||||
- wai-route-1.0.0
|
||||
- pattern-trie-0.1.0
|
||||
|
||||
@ -13,11 +13,9 @@ packages:
|
||||
- grpc/client
|
||||
- grpc/server
|
||||
- graphql
|
||||
- examples/health-check/avro
|
||||
- examples/health-check/protobuf
|
||||
- examples/health-check
|
||||
- examples/route-guide
|
||||
- examples/seed/avro
|
||||
- examples/seed/protobuf
|
||||
- examples/seed
|
||||
- examples/todolist
|
||||
- examples/with-persistent
|
||||
- compendium-client
|
||||
@ -37,6 +35,8 @@ extra-deps:
|
||||
- HasBigDecimal-0.1.1
|
||||
- git: https://github.com/hasura/graphql-parser-hs.git
|
||||
commit: 1380495a7b3269b70a7ab3081d745a5f54171a9c
|
||||
- wai-route-1.0.0
|
||||
- pattern-trie-0.1.0
|
||||
# missing in the current LTS
|
||||
- primitive-0.7.0.0
|
||||
- primitive-extras-0.8
|
||||
|
||||
Loading…
Reference in New Issue
Block a user