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
|
{-# OPTIONS_GHC -fno-warn-incomplete-patterns #-}
{-# OPTIONS_GHC -fno-warn-incomplete-uni-patterns #-}
module Schema
( Schema,
viewSchema,
schemaTable,
schemaForm,
)
where
import Data.Aeson qualified as A
import Data.Aeson.Key qualified as AK
import Data.Aeson.KeyMap qualified as AM
import Data.List
import Data.Map qualified as M
import Data.Maybe
import Data.Text qualified as T
import Form qualified as F
import Miso
import Miso.String (toMisoString)
import Route
data Schema = Schema
{ id :: String,
schema :: String,
title :: String,
type_ :: SchemaType
}
deriving (Show, Eq)
instance A.FromJSON Schema where
parseJSON =
A.withObject
"Schema"
( \v ->
Schema
<$> v A..: "$id"
<*> v A..: "$schema"
<*> v A..: "title"
<*> A.parseJSON (A.Object v)
)
data SchemaType = Object (M.Map String String)
deriving (Show, Eq)
instance A.FromJSON SchemaType where
parseJSON =
A.withObject
"SchemaType"
( \v ->
v A..: "type" >>= \case
("object" :: String) -> Object <$> v A..: "properties"
)
viewSchema :: Schema -> View action
viewSchema schema =
case schema.type_ of
Object properties ->
ol_ [] $
( \(k, v) ->
li_ [] $
[ text (toMisoString k),
text ":",
text (toMisoString v)
]
)
<$> (M.toList properties)
schemaTable :: String -> Schema -> [A.Value] -> View action
schemaTable collection schema values =
table_ [] [thead, tbody]
where
thead =
thead_ [] $
case schema.type_ of
Object properties ->
[ tr_ [] $
[ th_ [] [text (toMisoString k)]
| k <- M.keys properties
]
]
tbody = tbody_ [] $
case schema.type_ of
Object properties ->
[ tr_
[]
[ td_ [] $
[ case (k, getO (AK.fromString k) value) of
("$fileName", A.String fn) ->
a_
[ href_
(toMisoString (routeToString (EditValue collection (T.unpack fn))))
]
[ text (toMisoString fn)
]
(_, v) ->
text $
case v of
A.String s -> toMisoString s
_ -> toMisoString (A.encode v)
]
| k <- M.keys properties
]
| value <- values
]
schemaForm :: Schema -> F.Form A.Value A.Value
schemaForm schema =
fmap mergeJson . sequence $
case schema.type_ of
Object properties ->
( \(AK.fromString -> k, v) ->
case v of
"string" ->
A.Object . AM.singleton k
<$> ( F.mapValues (getO k) (setO k) $
fmap A.String . F.mapValues fromJson toJson $
F.input (AK.toString k)
)
"string?" ->
A.Object . AM.singleton k
<$> ( F.mapValues (getO k) (setO k)
$ fmap (maybe A.Null A.String)
. F.mapValues fromJson toJson
$ F.optional (F.input (AK.toString k))
)
)
<$> (M.toList properties)
mergeJson :: [A.Value] -> A.Value
mergeJson = foldl' mergeObject (A.Object AM.empty)
mergeObject :: A.Value -> A.Value -> A.Value
mergeObject (A.Object kvs) (A.Object kvs') = A.Object (AM.union kvs kvs')
fromJson :: A.Value -> T.Text
fromJson (A.String x) = x
fromJson _ = ""
toJson :: T.Text -> A.Value -> A.Value
toJson x _ = A.String x
getO :: AK.Key -> A.Value -> A.Value
getO k (A.Object kvs) = fromMaybe A.Null (AM.lookup k kvs)
setO :: AK.Key -> A.Value -> A.Value -> A.Value
setO k v (A.Object kvs) = A.Object (AM.insert k v kvs)
|
