1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE UndecidableInstances #-}
-- | Module that deals with handling config options
module LintConfig (LintConfig(..), LintConfig', patchConfig) where
import Universum
import qualified Universum.Unsafe as Unsafe
import Data.Aeson (FromJSON (parseJSON), Options (..),
defaultOptions, eitherDecode)
import Data.Aeson.Types (genericParseJSON)
import qualified Data.ByteString.Char8 as C8
import qualified Data.ByteString.Lazy as LB
import qualified Data.Map.Strict as M
import GHC.Generics (Generic (Rep, from, to), K1 (..),
M1 (..), (:*:) (..))
import Types (Level)
import Uris (SchemaSet,
Substitution (DomainSubstitution))
import WithCli.Pure (Argument (argumentType, parseArgument))
type family HKD f a where
HKD Identity a = a
HKD f a = f a
data LintConfig f = LintConfig
{ configScriptInject :: HKD f (Maybe Text)
-- ^ Link to Script that should be injected
, configAssemblyTag :: HKD f Text
-- ^ Assembly name (used for jitsiRoomAdminTag)
, configAssemblies :: HKD f [Text]
-- ^ list of all assembly slugs (used to lint e.g. world:// links)
, configMaxLintLevel :: HKD f Level
-- ^ Maximum warn level allowed before the lint fails
, configDontCopyAssets :: HKD f Bool
-- ^ Don't copy map assets (mostly useful for development)
, configAllowScripts :: HKD f Bool
-- ^ Allow defining custom scripts in maps
, configUriSchemas :: HKD f SchemaSet
} deriving (Generic)
type LintConfig' = LintConfig Identity
-- TODO: should probably find a way to write these constraints nicer ...
deriving instance
( Show (HKD a (Maybe Text))
, Show (HKD a Text)
, Show (HKD a Level)
, Show (HKD a [Text])
, Show (HKD a Bool)
, Show (HKD a SchemaSet)
)
=> Show (LintConfig a)
aesonOptions :: Options
aesonOptions = defaultOptions
{ omitNothingFields = True
, rejectUnknownFields = True
, fieldLabelModifier = drop 6
}
instance
( FromJSON (HKD a (Maybe Text))
, FromJSON (HKD a [Text])
, FromJSON (HKD a Text)
, FromJSON (HKD a Level)
, FromJSON (HKD a Bool)
, FromJSON (HKD a SchemaSet)
)
=> FromJSON (LintConfig a)
where
parseJSON = genericParseJSON aesonOptions
-- need to define this one extra, since Aeson will not make
-- Maybe fields optional if the type isn't given explicitly.
--
-- Whoever said instances had confusing semantics?
instance {-# Overlapping #-} FromJSON (LintConfig Maybe) where
parseJSON = genericParseJSON aesonOptions
-- | generic typeclass for things that are "patchable"
class GPatch i m where
gappend :: i p -> m p -> i p
-- generic instances. It's category theory, but with confusing names!
instance GPatch (K1 a k) (K1 a (Maybe k)) where
gappend _ (K1 (Just k')) = K1 k'
gappend (K1 k) (K1 Nothing) = K1 k
{-# INLINE gappend #-}
instance (GPatch i o, GPatch i' o')
=> GPatch (i :*: i') (o :*: o') where
gappend (l :*: r) (l' :*: r') = gappend l l' :*: gappend r r'
{-# INLINE gappend #-}
instance GPatch i o
=> GPatch (M1 _a _b i) (M1 _a' _b' o) where
gappend (M1 x) (M1 y) = M1 (gappend x y)
{-# INLINE gappend #-}
-- | A patch function. For (almost) and a :: * -> *,
-- take an a Identity and an a Maybe, then replace all appropriate
-- values in the former with those in the latter.
--
-- There isn't actually any useful reason for this function to be this
-- abstract, I just wanted to play around with higher kinded types for
-- a bit.
patch ::
( Generic (f Maybe)
, Generic (f Identity)
, GPatch (Rep (f Identity))
(Rep (f Maybe))
)
=> f Identity
-> f Maybe
-> f Identity
patch x y = to (gappend (from x) (from y))
patchConfig :: LintConfig Identity -> Maybe (LintConfig Maybe) -> LintConfig Identity
patchConfig config p = config'
{ configUriSchemas = ("world", assemblysubsts) : configUriSchemas config'}
where config' = case p of
Just p -> patch config p
Nothing -> config
assemblysubsts =
DomainSubstitution (M.fromList generated) scope
where generated = (\slug -> (slug, "/@/rc3_21/"<>slug)) <$> configAssemblies config'
scope = (\(DomainSubstitution _ s) -> s)
. snd . Unsafe.head
. filter ((==) "world" . fst)
$ configUriSchemas config'
instance (FromJSON (LintConfig a)) => Argument (LintConfig a) where
parseArgument str =
case eitherDecode (LB.fromStrict $ C8.pack str) of
Left _ -> Nothing
Right res -> Just res
argumentType Proxy = "LintConfig"
|