lark
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coupon-servant
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integrated a swagger json api endpoint

master
Alaudidae Lark 2017-05-06 15:25:27 +05:30
parent 00523772ac
commit 5f19bd02ac
5 changed files with 23 additions and 14 deletions
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5
app/Main.hs
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@ -2,10 +2,7 @@ module Main where
import App
import SwaggerGen
main :: IO ()
main = do genSwaggerDoc
run "host=localhost port=5432 user=msfuser dbname=coupon password="
main = run "host=localhost port=5432 user=msfuser dbname=coupon password="
-- run "testSql.db"

9
src/Api.hs
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@ -6,9 +6,11 @@
module Api (module Api,module Models) where
import Data.Proxy
import Data.Swagger
import Data.Text
import Models
import Servant.API
import SwaggerGen
type CouponApi =
"coupon" :> "add" :> ReqBody '[JSON] Coupon :> Post '[JSON] (Maybe Coupon)
@ -18,7 +20,12 @@ type CouponApi =
type BillCouponApi =
"billcoupon" :> ReqBody '[JSON] BillCoupon :> Post '[JSON] CouponResult
type ServerApi = CouponApi :<|> BillCouponApi
type SwaggerApi = "swagger.json" :> Get '[JSON] Swagger
type ServerApi = CouponApi :<|> BillCouponApi :<|> SwaggerApi
couponApi :: Proxy (CouponApi :<|> BillCouponApi)
couponApi = Proxy
api :: Proxy ServerApi
api = Proxy

8
src/App.hs
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@ -17,6 +17,7 @@ import Network.Wai
import Network.Wai.Handler.Warp as Warp
import Network.Wai.Middleware.Cors
import Servant
import SwaggerGen
-- import Network.Wai.Middleware.RequestLogger (logStdoutDev)
couponServer :: ConnectionPool -> Server CouponApi
@ -51,9 +52,11 @@ billCouponServer _ = billCouponComputeH
billCouponCompute bill = do print bill
return $ Applied 100
swaggerServer :: Server SwaggerApi
swaggerServer = liftIO $ return $ swaggerDoc couponApi
server :: ConnectionPool -> Server ServerApi
server pool = couponServer pool :<|> billCouponServer pool
server pool = couponServer pool :<|> billCouponServer pool :<|> swaggerServer
app :: ConnectionPool -> Application
@ -74,5 +77,4 @@ mkApp sqliteFile = do
return $ app pool
run :: String -> IO ()
run dbConnStr =
Warp.run 3000 =<< mkPgApp dbConnStr
run dbConnStr = Warp.run 3000 =<< mkPgApp dbConnStr

13
src/SwaggerGen.hs
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@ -5,7 +5,6 @@
module SwaggerGen where
import Api
import Control.Lens
import Data.Aeson
import Data.Aeson.Types (camelTo2)
@ -14,6 +13,8 @@ import Data.Proxy
import Data.String.Conversions
import Data.Swagger
import qualified Data.Text as T
import Models
import Servant.API
import Servant.Swagger
modifier :: String -> String
@ -24,15 +25,17 @@ prefixSchemaOptions = defaultSchemaOptions { fieldLabelModifier = modifier }
instance ToSchema Coupon where declareNamedSchema = genericDeclareNamedSchema prefixSchemaOptions
swaggerDoc :: Swagger
swaggerDoc = toSwagger api
-- swaggerDoc :: Swagger
swaggerDoc :: HasSwagger api => Proxy api -> Swagger
swaggerDoc api = toSwagger api
& host ?~ Host {_hostName = "localhost",_hostPort = Just 3000}
& info.title .~ "Coupon Api"
& info.version .~ "v1"
-- & applyTagsFor billOp ["billcoupon" & description ?~ "Text"]
genSwaggerDoc :: IO ()
genSwaggerDoc = BL8.writeFile "swagger.json" (encode swaggerDoc)
-- genSwaggerDoc :: IO ()
-- genSwaggerDoc = BL8.writeFile "swagger.json" (encode swaggerDoc)
-- billOp :: Traversal' Swagger Operation
-- billOp = subOperations (Proxy :: Proxy BillCouponApi) (Proxy :: Proxy ServerApi)

2
swagger.json
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@ -1 +1 @@
{"swagger":"2.0","info":{"version":"v1","title":"Coupon Api"},"host":"localhost:3000","paths":{"/coupon/add":{"post":{"consumes":["application/json"],"produces":["application/json"],"parameters":[{"required":true,"schema":{"$ref":"#/definitions/Coupon"},"in":"body","name":"body"}],"responses":{"400":{"description":"Invalid `body`"},"200":{"schema":{"$ref":"#/definitions/Coupon"},"description":""}}}},"/coupon/get/{name}":{"get":{"produces":["application/json"],"parameters":[{"required":true,"in":"path","name":"name","type":"string"}],"responses":{"404":{"description":"`name` not found"},"200":{"schema":{"$ref":"#/definitions/Coupon"},"description":""}}}},"/coupon/del/{name}":{"get":{"produces":["application/json"],"parameters":[{"required":true,"in":"path","name":"name","type":"string"}],"responses":{"404":{"description":"`name` not found"},"200":{"schema":{"$ref":"#/definitions/Coupon"},"description":""}}}},"/billcoupon":{"post":{"consumes":["application/json"],"produces":["application/json"],"parameters":[{"required":true,"schema":{"$ref":"#/definitions/BillCoupon"},"in":"body","name":"body"}],"responses":{"400":{"description":"Invalid `body`"},"200":{"schema":{"$ref":"#/definitions/CouponResult"},"description":""}}}}},"definitions":{"Coupon":{"required":["code","value","min_price","customer_limit","usage_limit","valid_from","valid_till"],"properties":{"code":{"type":"string"},"value":{"$ref":"#/definitions/CouponType"},"min_price":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"customer_limit":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"usage_limit":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"valid_from":{"$ref":"#/definitions/UTCTime"},"valid_till":{"$ref":"#/definitions/UTCTime"}},"type":"object"},"CouponType":{"properties":{"ProductFlat":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"CartFlat":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"CartPercent":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"}},"maxProperties":1,"minProperties":1,"type":"object"},"UTCTime":{"example":"2016-07-22T00:00:00Z","format":"yyyy-mm-ddThh:MM:ssZ","type":"string"},"CouponResult":{"properties":{"Applied":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"Rejected":{"type":"string"},"Partial":{"type":"string"}},"maxProperties":1,"minProperties":1,"type":"object"},"BillCoupon":{"required":["customer","coupon","productList"],"properties":{"customer":{"type":"string"},"coupon":{"type":"string"},"productList":{"items":{"$ref":"#/definitions/Product"},"type":"array"}},"type":"object"},"Product":{"required":["productName","productPrice"],"properties":{"productName":{"type":"string"},"productPrice":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"}},"type":"object"}}}
{"swagger":"2.0","info":{"version":"v1","title":"Coupon Api"},"host":"localhost:3000","paths":{"/coupon/add":{"post":{"consumes":["application/json"],"produces":["application/json"],"parameters":[{"required":true,"schema":{"$ref":"#/definitions/Coupon"},"in":"body","name":"body"}],"responses":{"400":{"description":"Invalid `body`"},"200":{"schema":{"$ref":"#/definitions/Coupon"},"description":""}}}},"/coupon/get/{name}":{"get":{"produces":["application/json"],"parameters":[{"required":true,"in":"path","name":"name","type":"string"}],"responses":{"404":{"description":"`name` not found"},"200":{"schema":{"$ref":"#/definitions/Coupon"},"description":""}}}},"/coupon/del/{name}":{"get":{"produces":["application/json"],"parameters":[{"required":true,"in":"path","name":"name","type":"string"}],"responses":{"404":{"description":"`name` not found"},"200":{"schema":{"$ref":"#/definitions/Coupon"},"description":""}}}},"/billcoupon":{"post":{"consumes":["application/json"],"produces":["application/json"],"parameters":[{"required":true,"schema":{"$ref":"#/definitions/BillCoupon"},"in":"body","name":"body"}],"responses":{"400":{"description":"Invalid `body`"},"200":{"schema":{"$ref":"#/definitions/CouponResult"},"description":""}}}}},"definitions":{"Coupon":{"required":["code","value","min_price","customer_limit","usage_limit","valid_from","valid_till"],"properties":{"code":{"type":"string"},"value":{"$ref":"#/definitions/CouponType"},"min_price":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"customer_limit":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"usage_limit":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"valid_from":{"$ref":"#/definitions/UTCTime"},"valid_till":{"$ref":"#/definitions/UTCTime"}},"type":"object"},"CouponType":{"properties":{"ProductFlat":{"$ref":"#/definitions/CouponForProduct"},"CartFlat":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"CartPercent":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"}},"maxProperties":1,"minProperties":1,"type":"object"},"CouponForProduct":{"required":["product","productDiscount"],"properties":{"product":{"type":"string"},"productDiscount":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"}},"type":"object"},"UTCTime":{"example":"2016-07-22T00:00:00Z","format":"yyyy-mm-ddThh:MM:ssZ","type":"string"},"CouponResult":{"properties":{"Applied":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"},"Rejected":{"type":"string"},"Partial":{"type":"string"}},"maxProperties":1,"minProperties":1,"type":"object"},"BillCoupon":{"required":["customer","coupon","productList"],"properties":{"customer":{"type":"string"},"coupon":{"type":"string"},"productList":{"items":{"$ref":"#/definitions/Product"},"type":"array"}},"type":"object"},"Product":{"required":["productName","productPrice"],"properties":{"productName":{"type":"string"},"productPrice":{"maximum":9223372036854775807,"minimum":-9223372036854775808,"type":"integer"}},"type":"object"}}}