@@ -1,255 +1,57 @@
2−{-# LANGUAGE DeriveDataTypeable #-}
3{-# LANGUAGE TemplateHaskell #-}
1{-# LANGUAGE TemplateHaskell #-}
4{-# OPTIONS_GHC -Wno-orphans #-}
2{-# OPTIONS_GHC -Wno-orphans #-}
6module Data.Id
4module Data.Id
7− ( Id, mkId, unId, unsafeIdTagConvert, coerceId, _Id, nilId
5+ ( Id(..)
8− , IntId, mkIntId, unIntId, unsafeIntIdTagConvert, coerceIntId, _IntId
6+ , coerceId
9− , Name, mkName, unName, unsafeNameTagConvert, coerceName, _Name
7+ , _Id
16import Control.DeepSeq (NFData)
10import Control.DeepSeq (NFData)
17import Control.Lens
11import Control.Lens
19import Data.Aeson (FromJSON, FromJSONKey, ToJSON, ToJSONKey)
12import Data.Aeson (FromJSON, FromJSONKey, ToJSON, ToJSONKey)
20import Data.Binary (Binary)
13import Data.Binary (Binary)
21import Data.Coerce (coerce)
14import Data.Coerce (coerce)
23import Data.Hashable (Hashable)
15import Data.Hashable (Hashable)
24−import Data.String
16+import Data.UUID (UUID)
26−import Data.UUID.Types (UUID)
27−import qualified Data.UUID.Types as UUID
17+import qualified Data.UUID as UUID
30−import Text.ParserCombinators.ReadP
31−import Web.HttpApiData
32−import Web.PathPieces (PathPiece(..))
35−import qualified Data.UUID.V4 as UUID.V4
38import Data.OpenApi
18import Data.OpenApi
19+import Database.PostgreSQL.Simple.FromField (FromField)
20+import Database.PostgreSQL.Simple.ToField (ToField)
21+import GHC.Generics (Generic)
39import Test.QuickCheck
22import Test.QuickCheck
40−#ifdef USE_CASSAVA
23+import Yesod.Core (PathPiece(..))
41−import Data.Csv as Csv hiding(Name)
44−import Database.PostgreSQL.Simple.FromField as PG (FromField)
45−import Database.PostgreSQL.Simple.ToField as PG (ToField)
53−import qualified Data.Store
56newtype Id t = Id { unId :: UUID }
26newtype Id t = Id { unId :: UUID }
57− deriving stock Data
27+ deriving
62− , PG.ToField, PG.FromField
28+ ( Eq, Ord, Generic, Read, Show, ToField, FromField, PathPiece, FromJSON
65− , FromJSON, ToJSON, NFData, Hashable, FromJSONKey, ToJSONKey
29+ , ToJSON, NFData, Hashable, FromJSONKey, ToJSONKey, ToSchema)
67− , ToSchema, ToParamSchema
69− , FromHttpApiData, ToHttpApiData )
71type role Id nominal
31type role Id nominal
75−mkId :: forall s. UUID -> Id s
80−randomId :: forall s. IO (Id s)
81−randomId = coerce <$> UUID.V4.nextRandom
82−{-# INLINE randomId #-}
85−instance KnownSymbol s => Show (Id s) where
86− show (Id v) = "Id-" <> symbolVal (Proxy @s) <> "-" <> P.show v
88−instance KnownSymbol s => Read (Id s) where
89− readsPrec _ = readP_to_S $ do
90− _ <- string ("Id-" <> symbolVal (Proxy @s) <> "-")
91− mkId <$> readS_to_P reads
94−instance Flat (Id s) where
95− encode = F.encode . UUID.toWords . coerce
96− decode = coerce . (\(a,b,c,d) -> UUID.fromWords a b c d) <$> F.decode
97− size = F.size . UUID.toWords . coerce
101−instance Data.Store.Store (Id s) where
102− poke = Data.Store.poke . UUID.toWords . coerce
103− peek = coerce . (\(a,b,c,d) -> UUID.fromWords a b c d) <$> Data.Store.peek
104− size = Data.Store.ConstSize 16
108instance Arbitrary (Id t) where
33instance Arbitrary (Id t) where
109 arbitrary = fmap Id $ UUID.fromWords
34 arbitrary = fmap Id $ UUID.fromWords
110 <$> arbitrary
35 <$> arbitrary
111 <*> arbitrary
36 <*> arbitrary
112 <*> arbitrary
37 <*> arbitrary
113 <*> arbitrary
38 <*> arbitrary
116−instance PathPiece (Id t) where
117− fromPathPiece = coerce . UUID.fromText
118− toPathPiece = UUID.toText . coerce
120−#ifndef ghcjs_HOST_OS
40+instance Binary (Id t) where
123−instance Csv.FromField (Id tag) where
42+instance PathPiece UUID.UUID where
124− parseField = parseField
43+ fromPathPiece = UUID.fromText
125− >=> fmap mkId . maybe (fail "invalid UUID in CSV") pure . UUID.fromText
44+ toPathPiece = UUID.toText
127−instance Csv.ToField (Id tag) where
46+makePrisms ''Id
128− toField = Csv.toField . UUID.toText . coerce
133-- | This is a more \"explicit\" 'coerce' specifically for 'Id'.
48-- | This is a more \"explicit\" 'coerce' specifically for 'Id'.
134-- You are forced to explicitly specify the phantom types you are converting
49-- You are forced to explicitly specify the phantom types you are converting
135-- via the @TypeApplications@ compiler extension.
50-- via the @TypeApplications@ compiler extension.
136−coerceId, unsafeIdTagConvert :: forall a b. Id (Ambiguous a) -> Id (Ambiguous b)
51+coerceId :: forall a b. Id (Ambiguous a) -> Id (Ambiguous b)
137coerceId = coerce
52coerceId = coerce
138{-# INLINE coerceId #-}
53{-# INLINE coerceId #-}
139−unsafeIdTagConvert = coerce
140−{-# INLINE unsafeIdTagConvert #-}
142−-- | Id corresponding to UUID nil. Useful for testing etc.
143−nilId :: forall a. Id (Ambiguous a)
146-- https://kcsongor.github.io/ambiguous-tags/
55-- https://kcsongor.github.io/ambiguous-tags/
147type family Ambiguous (a :: k) :: j where
56type family Ambiguous (a :: k) :: j where
148 Ambiguous x = x
57 Ambiguous x = x
150−----------------- IntId
151−newtype IntId t = IntId { unIntId :: Integer }
155−#ifndef ghcjs_HOST_OS
157− , PG.ToField, PG.FromField
160− , Csv.ToField, Csv.FromField
170− , ToSchema, ToParamSchema, Arbitrary
172− , FromJSON, ToJSON, NFData, Hashable, FromJSONKey, ToJSONKey, FromHttpApiData
173− , ToHttpApiData, PathPiece, Num, Integral, Real, Enum )
175−type role IntId nominal
179−mkIntId :: forall s. Integer -> IntId s
181−{-# INLINE mkIntId #-}
183−instance KnownSymbol s => Show (IntId s) where
184− show (IntId v) = "IntId-" <> symbolVal (Proxy @s) <> "-" <> P.show v
186−instance KnownSymbol s => Read (IntId s) where
187− readsPrec _ = readP_to_S $ do
188− _ <- string ("IntId-" <> symbolVal (Proxy @s) <> "-")
189− mkIntId <$> readS_to_P reads
191−-- | This is a more \"explicit\" 'coerce' specifically for 'IntId'.
192−-- You are forced to explicitly specify the phantom types you are converting
193−-- via the @TypeApplications@ compiler extension.
194−coerceIntId, unsafeIntIdTagConvert
195− :: forall a b. IntId (Ambiguous a) -> IntId (Ambiguous b)
197−{-# INLINE coerceIntId #-}
198−unsafeIntIdTagConvert = coerce
199−{-# INLINE unsafeIntIdTagConvert #-}
201−----------------- Name
202−newtype Name t = Name { unName :: Text }
206−#ifndef ghcjs_HOST_OS
208− , PG.ToField, PG.FromField
211− , Csv.ToField, Csv.FromField
221− , ToSchema, ToParamSchema
223− , FromJSON, ToJSON, NFData, Hashable, FromJSONKey, ToJSONKey, FromHttpApiData
224− , ToHttpApiData, PathPiece, IsString, Semigroup, Monoid )
226−type role Name nominal
230−mkName :: forall s. Text -> Name s
232−{-# INLINE mkName #-}
234−instance KnownSymbol s => Show (Name s) where
235− show (Name v) = "Name-" <> symbolVal (Proxy @s) <> "-" <> P.show v
237−instance KnownSymbol s => Read (Name s) where
238− readsPrec _ = readP_to_S $ do
239− _ <- string ("Name-" <> symbolVal (Proxy @s) <> "-")
240− mkName <$> readS_to_P reads
243−instance Arbitrary (Name s) where
244− arbitrary = coerce . T.pack . getPrintableString <$> arbitrary
247−-- | This is a more \"explicit\" 'coerce' specifically for 'Name'.
248−-- You are forced to explicitly specify the phantom types you are converting
249−-- via the @TypeApplications@ compiler extension.
250−coerceName, unsafeNameTagConvert
251− :: forall a b. Name (Ambiguous a) -> Name (Ambiguous b)
253−{-# INLINE coerceName #-}
254−unsafeNameTagConvert = coerce
255−{-# INLINE unsafeNameTagConvert #-}