1 files changed, 48 insertions, 0 deletions
diff --git a/src/Data/Paper.hs b/src/Data/Paper.hs
new file mode 100644
index 0000000..40ac91a
--- /dev/null
+++ b/src/Data/Paper.hs
@@ -0,0 +1,48 @@
+module Data.Paper
+    ( Paper (..)
+    , ArXiv (..)
+    , DOI (..)
+    ) where
+
+import Data.Name
+
+data Paper a = Paper
+    { date :: !Day
+    , authors :: ![Name a]
+    , title :: !a
+    , doi :: !(Maybe (DOI a))
+    , arXiv :: !(Maybe (ArXiv a))
+    , pubStatus :: !(PubStatus a)
+    , abstract :: !a
+    }
+
+data ArXiv a = ArXiv
+    { arxivDate :: !Day
+    , arxivID :: !a
+    , arxivClasses :: !(NonEmpty (ArXivClass a))
+    } deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
+
+data ArXivClass a = ArXiv
+    { archive :: !a
+    , subjectClass :: !a
+    } deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
+
+newtype DOI a = DOI a
+    deriving stock (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)
+
+
+data PubStatus a
+    = Submitted
+        { journal :: !a
+        }
+    | Accepted
+        { journal :: !a
+        }
+    | Published
+        { journal :: !a
+        , volume :: !(Maybe a)
+        , number :: !(Maybe a)
+        , pages :: !(Maybe a)
+        }
+    | UnPublished
+    deriving (Eq, Foldable, Functor, Generic, Ord, Show, Traversable)