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{-# LANGUAGE DuplicateRecordFields, DeriveGeneric, DeriveAnyClass #-}
-- ldgallery - A static generator which turns a collection of tagged
-- pictures into a searchable web gallery.
--
-- Copyright (C) 2019 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 Lib
( testRun
) where
import GHC.Generics (Generic)
import Data.Function ((&))
import Data.Ord (comparing)
import Data.List (sortBy, length)
import System.Directory (createDirectoryIfMissing, removePathForcibly)
import System.FilePath (dropFileName, (</>))
import Data.Aeson (ToJSON, FromJSON)
import qualified Data.Aeson as JSON
import Files (FileName, readDirectory, localPath, flattenDir, root, (/>))
import Input (decodeYamlFile, readInputTree)
import Resource (ResourceTree, buildResourceTree, outputDiff)
import Gallery (buildGalleryTree)
data CompilerConfig = CompilerConfig
{ dummy :: Maybe String -- TODO
} deriving (Generic, FromJSON, Show)
data GalleryConfig = GalleryConfig
{ compiler :: CompilerConfig
, viewer :: JSON.Object
} deriving (Generic, FromJSON, Show)
readConfig :: FileName -> IO GalleryConfig
readConfig = decodeYamlFile
process :: FilePath -> FilePath -> IO ()
process inputDirPath outputDirPath =
do
config <- readConfig (inputDirPath </> "gallery.yaml")
inputDir <- readDirectory inputDirPath
putStrLn "\nINPUT DIR"
putStrLn (show inputDir)
inputTree <- readInputTree inputDir
putStrLn "\nINPUT TREE"
putStrLn (show inputTree)
let resourceTree = buildResourceTree inputTree
putStrLn "\nRESOURCE TREE"
putStrLn (show resourceTree)
-- TODO: make buildResourceTree build a resource compilation strategy
-- (need to know the settings)
-- flatten the tree of resources and their strategies
-- filter resources that are already up to date
-- (or recompile everything if the config file has changed!)
-- execute in parallel
cleanup resourceTree outputDirPath
-- TODO: execute (in parallel) the resource compilation strategy list
-- need to find a good library for that
buildGalleryTree resourceTree
& writeJSON (outputDirPath </> "index.json")
viewer config
& writeJSON (outputDirPath </> "viewer.json")
where
cleanup :: ResourceTree -> FileName -> IO ()
cleanup resourceTree outputDir =
readDirectory outputDir
>>= return . outputDiff resourceTree . root
>>= return . sortBy (flip $ comparing length) -- nested files before dirs
>>= return . map (localPath . (/>) outputDir)
>>= mapM_ removePathForcibly
writeJSON :: ToJSON a => FileName -> a -> IO ()
writeJSON path obj =
createDirectoryIfMissing True (dropFileName path)
>> JSON.encodeFile path obj
testRun :: IO ()
testRun = process "../../example" "../../out"
|