fix names of betriebsstellen not having ü encoded properly

this was not ported from the previous gleam implementation.

app/Main.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE LambdaCase        #-}
 {-# LANGUAGE MultiWayIf        #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE RecordWildCards   #-}
@@ -10,13 +11,13 @@ import qualified Data.ByteString.Lazy                 as LB
 import           Data.Char
 import           Data.Csv                             hiding (lookup)
 import           Data.Either
-import           Data.Function                        ((&))
+import           Data.Function                        (on, (&))
 import           Data.Functor                         ((<&>))
-import           Data.FuzzySet
+import           Data.FuzzySet.Simple
-import           Data.List
+import           Data.List                            hiding (find)
 import           Data.Map                             (Map)
 import qualified Data.Map                             as M
-import           Data.Maybe                           (fromMaybe)
+import           Data.Maybe                           (fromMaybe, mapMaybe)
 import           Data.Ord
 import           Data.Text                            (Text)
 import qualified Data.Text                            as T
@@ -58,7 +59,7 @@ findStationName query set = case sorted of
     sorted = results
      & fmap (\(_, match) -> (fromIntegral . maybe 0 score . bestMatch (T.unpack query) $ T.unpack match, match))
      & sortOn (Down . fst)
-    results = get set query
+    results = find query set
     maybeHbf = filter (T.isInfixOf "Hbf" . snd) sorted
 
 data Platform = Platform
@@ -67,6 +68,9 @@ data Platform = Platform
   , ref             :: Maybe Text
   , localRef        :: Maybe Text
   , osmLevel        :: Maybe Text
+  , osmPlatform     :: Maybe Text
+  , osmSection      :: Maybe Text
+  , osmPlatformEdge :: Maybe Text
   } deriving Show
 
 instance FromRecord Platform where
@@ -76,7 +80,10 @@ instance FromRecord Platform where
       v .! 1 <*>
       v .! 2 <*>
       v .! 3 <*>
-      (v .! 4 <|> v .! 5)
+      (v .! 4 <|> v .! 5) <*>
+      v .! 6 <*>
+      v .! 7 <*>
+      v .! 8
 
 data Answer
   = Redirect Text
@@ -107,7 +114,7 @@ app :: AppData -> Application
 app AppData{..} request respond = mkAnswer >>= (respond . toResponse)
   where
     mkAnswer :: IO Answer
-    mkAnswer = case pathInfo request of
+    mkAnswer = case filter (/= mempty) (pathInfo request) of
       [] -> pure helptext
       ["favicon.ico"] -> pure Notfound
       ["cache"] -> do
@@ -118,11 +125,11 @@ app AppData{..} request respond = mkAnswer >>= (respond . toResponse)
           & T.unlines
           & (pure . Plaintext)
       [query]
-        | T.all isUpper query && host `elem` ["leitpunkt"]
+        | not (T.any isLower query) && host `elem` ["leitpunkt"]
           -> lookupName query leitpunktMap
             >>= (`lookupCode` ril100map)
             & maybeAnswer Plaintext & pure
-        | T.all isUpper query
+        | not (T.any isLower query)
           -> lookupCode (Ril100 query) ril100map
             & maybeAnswer Plaintext & pure
         | host `elem` ["leitpunkt"]
@@ -141,7 +148,7 @@ app AppData{..} request respond = mkAnswer >>= (respond . toResponse)
       [query, segment] | segment `elem` ["gleis", "track", "tracks", "gleise", "platform", "platforms", "fetch"]
         -> case queriedRil100 query of
         None -> pure Notfound
-        Fuzzy url -> pure (Redirect url)
+        Fuzzy url -> pure (Redirect (T.intercalate "/" [url, segment]))
         Exact ril100 -> do
           maybeCache <- readTVarIO platformCache <&> M.lookup ril100
           now <- getCurrentTime
@@ -150,13 +157,37 @@ app AppData{..} request respond = mkAnswer >>= (respond . toResponse)
               | now `diffUTCTime` age < cacheTime && segment /= "fetch" -> pure answer
             _ -> do
               let overpassQuery = " \
-                 \[out:csv(::type, ::id, ref, local_ref, level, layer;false)][timeout:25];\n\
+                 \[out:csv(::type, ::id, ref, local_ref, level, layer, platform, section, track;false)][timeout:25];\n\
-                 \node[~\"railway:ref|railway:ref:parent\"~\"^"<>encodeUtf8 (unRil100 ril100)<>"$\"][operator~\"^(DB |Deutsch)\"];\n\
+                 \nwr[~\"railway:ref|railway:ref:parent\"~\"^"<>encodeUtf8 (unRil100 ril100)<>"$\"][operator~\"^(DB|Deutsch)\"];\n\
-                 \rel[public_transport~\"stop_area|stop_area_group\"](bn) -> .a;\n\
+                 \(._;rel[public_transport~\"stop_area|stop_area_group\"](bn);) -> .a;\n\
                  \rel[public_transport~\"stop_area|stop_area_group\"](br.a) -> .b;\n\
                  \(.a;.b;);\n\
                  \nwr[railway=platform](>>);\n\
-                 \out;\n"
+                 \foreach {\n\
+                 \  ._ -> .a;\n\
+                 \  out tags;\n\
+                 \  >> -> .p;\n\
+                 \  nwr.p[\"railway\"=\"platform_edge\"][\"ref\"] -> .edges;\n\
+                 \  if (edges.count(nwr) == 0) {\n\
+                 \    >>;\n\
+                 \    node._[\"railway:platform:section\"] -> ._;\n\
+                 \    convert node platform = a.u(id()),\n\
+                 \                 section = t[\"railway:platform:section\"],\n\
+                 \                 ::id = id();\n\
+                 \    out tags;\n\
+                 \  } else {  \n\
+                 \    foreach.edges {\n\
+                 \      ._ -> .b;\n\
+                 \      >>;\n\
+                 \      node._[\"railway:platform:section\"] -> ._;\n\
+                 \      convert node platform = a.u(id()),\n\
+                 \                   section = t[\"railway:platform:section\"],\n\
+                 \                   track = b.u(t[\"ref\"]),\n\
+                 \                   ::id = id();\n\
+                 \      out tags;\n\
+                 \    }\n\
+                 \  }\n\
+                 \}\n"
               let req = "https://overpass-api.de/api/interpreter"
                     { Client.requestBody = Client.RequestBodyBS overpassQuery
                     , Client.method = "POST"}
@@ -166,10 +197,9 @@ app AppData{..} request respond = mkAnswer >>= (respond . toResponse)
                 Left _ -> pure Notfound
                 Right (platforms :: Vector Platform) -> do
                   let answer = V.toList platforms
-                       & sortOn (maybe (-100 :: Int) (fromRight (-100) . fmap fst . T.signed T.decimal) . osmLevel)
+                       & sortOn (maybe (0::Int) (fromRight 0 . fmap fst . T.signed T.decimal) . osmLevel)
-                       <&> renderPlatform
+                       <&> renderPlatform platforms
                        & (Html . T.concat)
-                  now <- getCurrentTime
                   atomically $ do
                     cache <- readTVar platformCache
                     writeTVar platformCache (M.insert ril100 (now, answer) cache)
@@ -178,16 +208,32 @@ app AppData{..} request respond = mkAnswer >>= (respond . toResponse)
                     getRef (Just ref) _       = Just ref
                     getRef Nothing (Just ref) = Just ref
                     getRef _ _                = Nothing
-                    renderPlatform Platform{..} = case getRef ref localRef of
+                    renderPlatform others p = case getRef (ref p) (localRef p) of
-                      Just ref -> "<a href=\"https://osm.org/"<>osmType<>"/"<>osmId<>"\">"<>ref<>"</a><br>"
+                      Just ref -> mkAnchor p ref<>"</a>"<>renderedSections<>"<br>"
                       Nothing -> ""
+                      where sectionGroups = others
+                              & V.filter ((== Just (osmId p)) . osmPlatform)
+                              & V.toList
+                              & groupBy ((==) `on` osmPlatformEdge)
+                            renderSectionGroup sections = if null sections then "" else sections
+                              & sortOn osmSection
+                              & mapMaybe (\p -> case osmSection p of Just s -> Just (mkAnchor p s) ; _ -> Nothing)
+                              & intersperse ","
+                              & ((osmPlatformEdge (head sections) & \case {Nothing -> ""; Just a -> a<>": "}) :)
+                              & T.concat
+                            renderedSections = if null sectionGroups then "" else sectionGroups
+                              <&> renderSectionGroup
+                              & (": " :)
+                              & T.intercalate " "
+                            mkAnchor p inner =
+                              "<a href=\"https://osm.org/"<>osmType p<>"/"<>osmId p<>"\">"<>inner<>"</a>"
       _ -> pure Notfound
     queriedRil100 :: Text -> MatchResult Ril100 Text
     queriedRil100 query = if
-        | T.all isUpper query && host `elem` ["leitpunkt"]
+        | not (T.any isLower query) && host `elem` ["leitpunkt"]
           -> lookupName query leitpunktMap
               & maybe None Exact
-        | T.all isUpper query
+        | not (T.any isLower query)
           -> Exact (Ril100 query)
         | host `elem` ["leitpunkt"]
           -> case findStationName query ril100set of
@@ -246,16 +292,17 @@ main = do
   Right (betriebsstellen :: V.Vector [Text]) <-
     LB.readFile "data/DBNetz-Betriebsstellenverzeichnis-Stand2021-10.csv"
     <&> decodeWith csvOptions HasHeader
-    <&> fmap (V.filter (\line -> line !! 4 `notElem` ["BUSH", "LGR", "ÜST", "BFT", "ABZW", "BK", "AWAN", "ANST", "LGR"]))
+  let betriebsstellenFiltered = betriebsstellen
+       & V.filter (\line -> line !! 4 `notElem` ["BUSH", "LGR", "ÜST", "BFT", "ABZW", "BK", "AWAN", "ANST", "LGR"])
   Right (leitpunkte :: V.Vector [Text]) <-
     LB.readFile "data/leitpunkte.csv"
     <&> decodeWith csvOptions HasHeader
 
   putStrLn "building Index ..."
-  let ril100set = addMany (emptySet 5 6 False) (V.toList (V.map (!! 2) betriebsstellen))
+  let ril100set = addMany (V.toList (V.map (!! 2) betriebsstellenFiltered)) (emptySet 5 6 False)
   putStrLn (seq ril100set "done")
 
-  let ril100map = mkDoubleMap $ fmap (\line -> (Ril100 (line !! 1), line !! 2)) betriebsstellen
+  let ril100map = mkDoubleMap $ fmap (\line -> (Ril100 (line !! 1), T.replace "<EFBFBD>" "ü" (line !! 2))) betriebsstellen
   let leitpunktMap = mkDoubleMap $ fmap (\line -> (Ril100 (line !! 2), line !! 0)) leitpunkte
 
   let ril100BaseUrl = "https://ril100.bahnhof.name"

bahnhof-name.cabal

@@ -21,8 +21,8 @@ executable bahnhof-name
 
     main-is:          Main.hs
     hs-source-dirs:   app
-    build-depends:    base ^>=4.16.4.0
+    build-depends:    base ^>=4.18
-                    , fuzzyset
+                    , fuzzyset >= 0.3.0
                     , fuzzyfind
                     , text
                     , vector