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
|
-- ldgallery - A static generator which turns a collection of tagged
-- pictures into a searchable web gallery.
--
-- Copyright (C) 2019-2020 Pacien TRAN-GIRARD
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as
-- published by the Free Software Foundation, either version 3 of the
-- License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program. If not, see <https://www.gnu.org/licenses/>.
module Config
( GalleryConfig(..), readConfig
, ViewerConfig(..), viewerConfig
, TagsFromDirectoriesConfig(..)
, Resolution(..)
) where
import GHC.Generics (Generic)
import Data.Aeson (ToJSON, FromJSON, withObject, (.:?), (.!=))
import qualified Data.Aeson as JSON
import Files (FileName)
import Input (decodeYamlFile)
data Resolution = Resolution
{ width :: Int
, height :: Int
} deriving (Generic, Show, ToJSON, FromJSON)
data TagsFromDirectoriesConfig = TagsFromDirectoriesConfig
{ fromParents :: Int
, prefix :: String
} deriving (Generic, Show)
instance FromJSON TagsFromDirectoriesConfig where
parseJSON = withObject "TagsFromDirectoriesConfig" $ \v -> TagsFromDirectoriesConfig
<$> v .:? "fromParents" .!= 0
<*> v .:? "prefix" .!= ""
data GalleryConfig = GalleryConfig
{ galleryTitle :: String
, includedDirectories :: [String]
, excludedDirectories :: [String]
, includedFiles :: [String]
, excludedFiles :: [String]
, tagsFromDirectories :: TagsFromDirectoriesConfig
, thumbnailMaxResolution :: Resolution
, pictureMaxResolution :: Maybe Resolution
} deriving (Generic, Show)
instance FromJSON GalleryConfig where
parseJSON = withObject "GalleryConfig" $ \v -> GalleryConfig
<$> v .:? "galleryTitle" .!= "ldgallery"
<*> v .:? "includedDirectories" .!= ["*"]
<*> v .:? "excludedDirectories" .!= []
<*> v .:? "includedFiles" .!= ["*"]
<*> v .:? "excludedFiles" .!= []
<*> v .:? "tagsFromDirectories" .!= (TagsFromDirectoriesConfig 0 "")
<*> v .:? "thumbnailMaxResolution" .!= (Resolution 400 300)
<*> v .:? "pictureMaxResolution"
readConfig :: FileName -> IO GalleryConfig
readConfig = decodeYamlFile
data ViewerConfig = ViewerConfig
{ -- TODO: add viewer config keys (tag groups...)
galleryTitle :: String
} deriving (Generic, ToJSON, Show)
viewerConfig :: GalleryConfig -> ViewerConfig
viewerConfig GalleryConfig{galleryTitle} = ViewerConfig galleryTitle
|