eidolon/Handler/Home.hs

--  eidolon -- A simple gallery in Haskell and Yesod
--  Copyright (C) 2015  Amedeo Molnár
--
--  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 <http://www.gnu.org/licenses/>.

{-# LANGUAGE TupleSections, OverloadedStrings #-}
module Handler.Home where

import Import
import qualified Data.Text as T
import Data.List as L
import System.FilePath
import Yesod.RssFeed
import Yesod.AtomFeed

getHomeR :: Handler Html
getHomeR = do
  recentMedia <- runDB $ selectList [] [Desc MediumTime, LimitTo 16]
  nextMediaQuery <- runDB $ selectList [] [Desc MediumTime, LimitTo 1, OffsetBy 16]
  let nextMedia = not $ L.null nextMediaQuery
  defaultLayout $ do
    rssLink RootFeedRssR "Root Feed"
    atomLink RootFeedAtomR "Root Feed"
    setTitle "Eidolon :: Home"
    $(widgetFile "home")

getPageR :: Int -> Handler Html
getPageR page = do
  pageMedia <- runDB $ selectList [] [Desc MediumTime, LimitTo 16, OffsetBy (page*16)]
  nextMediaQuery <- runDB $ selectList [] [Desc MediumTime, LimitTo 1, OffsetBy ((page + 1) * 16)]
  let nextMedia = not $ L.null nextMediaQuery
  defaultLayout $ do
    rssLink RootFeedRssR "Root Feed"
    atomLink RootFeedAtomR "Root Feed"
    setTitle $ toHtml ("Eidolon :: Page " `T.append` T.pack (show page))
    $(widgetFile "page")