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Diffstat (limited to 'lore/Biz/Ibb/Keep.hs')
-rw-r--r-- | lore/Biz/Ibb/Keep.hs | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lore/Biz/Ibb/Keep.hs b/lore/Biz/Ibb/Keep.hs new file mode 100644 index 0000000..348d0ad --- /dev/null +++ b/lore/Biz/Ibb/Keep.hs @@ -0,0 +1,56 @@ +{-# LANGUAGE TemplateHaskell #-} +{-# LANGUAGE GeneralizedNewtypeDeriving #-} +{-# LANGUAGE DeriveDataTypeable #-} +{-# LANGUAGE TypeFamilies #-} +{-# OPTIONS_GHC -fno-warn-orphans #-} + +-- | Keep is a database built on Data.Acid. +-- +-- If this proves useful, maybe we could make it a more general thing. Like +-- `Biz.Keep`. I could wrap all the safecopy stuff in my own template haskell +-- like `$(keep ''MyType)`. +-- +module Biz.Ibb.Keep where + +import Biz.Ibb.Influencers (Person(..), Book(..)) +import Data.SafeCopy +import Data.Data (Data, Typeable) +import Data.Text (Text) +import Data.IxSet (Indexable(..), ixFun, ixSet) + +-- * Index @Person@ + +$(deriveSafeCopy 0 'base ''Person) + +newtype PersonName = + PersonName Text deriving (Eq, Ord, Data, Typeable) + +newtype PersonBlurb = + PersonBlurb Text deriving (Eq, Ord, Data, Typeable) + +instance Indexable Person where + empty = ixSet + [ ixFun $ \p -> [ PersonName $ _name p ] + , ixFun $ \p -> [ _pic p ] + , ixFun $ \p -> [ _twitter p ] + , ixFun $ \p -> [ _website p ] + , ixFun $ \p -> [ _books p ] + , ixFun $ \p -> [ PersonBlurb $ _blurb p ] + ] + +-- * Index @Book@ + +$(deriveSafeCopy 0 'base ''Book) + +newtype BookTitle = + BookTitle Text deriving (Eq, Ord, Data, Typeable) + +newtype BookAuthor = + BookAuthor Text deriving (Eq, Ord, Data, Typeable) + +instance Indexable Book where + empty = ixSet + [ ixFun $ \b -> [ BookTitle $ _title b ] + , ixFun $ \b -> [ BookAuthor $ _author b ] + , ixFun $ \b -> [ _amznref b ] + ] |