88 lines
3.2 KiB
Haskell
Executable file
88 lines
3.2 KiB
Haskell
Executable file
-- eidolon -- A simple gallery in Haskell and Yesod
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-- Copyright (C) 2015 Amedeo Molnár
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--
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-- This program is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU Affero General Public License as published
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-- by the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU Affero General Public License for more details.
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--
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-- You should have received a copy of the GNU Affero General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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module Model where
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import ClassyPrelude.Yesod
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import Database.Persist.Quasi
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import Yesod.Markdown
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import qualified System.FilePath as FP
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-- You can define all of your database entities in the entities file.
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-- You can find more information on persistent and how to declare entities
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-- at:
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-- http://www.yesodweb.com/book/persistent/
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share [mkPersist sqlSettings, mkMigrate "migrateAll"]
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$(persistFileWith lowerCaseSettings "config/models")
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class ShowUrl a where
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url :: a -> Maybe String
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data Licence
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= AllRightsReserved
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| CC0
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| CCBy4
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| CCBySa4
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| CCByNd4
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| CCByNc4
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| CCByNcSa4
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| CCByNcNd4
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| PublicDomain
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instance ShowUrl Licence where
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url PublicDomain = Nothing
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url AllRightsReserved = Nothing
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url CC0 = Just "https://creativecommons.org/publicdomain/zero/1.0/"
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url CCBy4 = Just "https://creativecommons.org/licenses/by/4.0"
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url CCBySa4 = Just "https://creativecommons.org/licenses/by-sa/4.0"
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url CCByNd4 = Just "https://creativecommons.org/licenses/by-nd/4.0"
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url CCByNc4 = Just "https://creativecommons.org/licenses/by-nc/4.0"
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url CCByNcSa4 = Just "https://creativecommons.org/licenses/by-nc-sa/4.0"
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url CCByNcNd4 = Just "https://creativecommons.org/licenses/by-nc-nd/4.0"
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instance Show Licence where
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show PublicDomain = "Public Domain"
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show AllRightsReserved = "All rights reserved"
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show CC0 = "CC0 1.0"
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show CCBy4 = "CC-BY 4.0 International"
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show CCBySa4 = "CC-BY-SA 4.0 International"
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show CCByNd4 = "CC-BY-ND 4.0 International"
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show CCByNc4 = "CC-BY-NC 4.0 International"
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show CCByNcSa4 = "CC-BY-NC-SA 4.0 International"
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show CCByNcNd4 = "CC-BY-NC-ND 4.0 International"
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instance Enum Licence where
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fromEnum PublicDomain = -2
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fromEnum AllRightsReserved = -1
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fromEnum CC0 = 0
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fromEnum CCBy4 = 1
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fromEnum CCBySa4 = 2
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fromEnum CCByNd4 = 3
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fromEnum CCByNc4 = 4
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fromEnum CCByNcSa4 = 5
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fromEnum CCByNcNd4 = 6
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fromEnum n = error $ "no licence no. for" ++ show n
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toEnum (-2) = PublicDomain
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toEnum (-1) = AllRightsReserved
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toEnum 0 = CC0
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toEnum 1 = CCBy4
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toEnum 2 = CCBySa4
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toEnum 3 = CCByNd4
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toEnum 4 = CCByNc4
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toEnum 5 = CCByNcSa4
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toEnum 6 = CCByNcNd4
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toEnum n = error $ "No licence no. " ++ show n
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