Fetch perfumes according to multiple materials

1 files changed, 36 insertions, 0 deletions

diff --git a/src/Model/Perfume.hs b/src/Model/Perfume.hs
new file mode 100644
index 0000000..0f99b55
--- /dev/null
+++ b/src/Model/Perfume.hs
@@ -0,0 +1,36 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Model.Perfume
+  ( Perfume(..)
+  , csvPerfumes
+  , getCommonPerfumes
+  ) where
+
+import Data.Text (Text)
+import qualified Data.Text as T
+
+import Model.URL
+
+import CSV
+
+data Perfume = Perfume
+  { name :: Text
+  , url :: URL
+  } deriving (Eq, Show)
+
+csvPerfumes :: [Perfume] -> Text
+csvPerfumes = getCsv . map (\perfume -> [name perfume, url perfume])
+
+getCommonPerfumes :: [[Perfume]] -> [Perfume]
+getCommonPerfumes (perfumes1:perfumesSequences) =
+  filter
+    (\p1 ->
+      all
+        (\perfumes2 ->
+          any
+            (\p2 -> name p1 == name p2)
+            perfumes2
+        )
+        perfumesSequences
+    )
+    perfumes1