From 9cf01f48f9bf9cb882c2849198d0118fad4b4bf6 Mon Sep 17 00:00:00 2001
From: LLLL Colonq <llll@colonq>
Date: Thu, 23 Oct 2025 21:54:06 -0400
Subject: Add HLS streaming API

---
 fig-web/src/Fig/Web/Module/HLS.hs | 41 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 fig-web/src/Fig/Web/Module/HLS.hs

(limited to 'fig-web/src/Fig/Web/Module')

diff --git a/fig-web/src/Fig/Web/Module/HLS.hs b/fig-web/src/Fig/Web/Module/HLS.hs
new file mode 100644
index 0000000..306be06
--- /dev/null
+++ b/fig-web/src/Fig/Web/Module/HLS.hs
@@ -0,0 +1,41 @@
+module Fig.Web.Module.HLS
+  ( public
+  ) where
+
+import Fig.Prelude
+
+import Data.Functor ((<&>))
+
+import Fig.Web.Utils
+import Fig.Web.Types
+import qualified Fig.Web.DB as DB
+
+public :: PublicModule
+public a = do
+  onGet "/api/hls.m3u8" do
+    mseq :: Maybe Integer <- ((readMaybe . unpack . decodeUtf8)=<<) <$> DB.get a.db "hlssequence"
+    mlen <- DB.llen a.db "hlssamples"
+    case (mseq, mlen) of
+      (Just seq, Just len) -> do
+        let startingSeq = seq - (len - 1)
+        respondText $ mconcat
+          [ "#EXTM3U\n"
+          , "#EXT-X-VERSION: 4\n"
+          , "#EXT-X-TARGETDURATION:5\n"
+          , "#EXT-X-MEDIA-SEQUENCE:", tshow startingSeq, "\n"
+          , mconcat $ reverse [0,1..len] <&> \idx -> mconcat
+            [ "#EXTINF:3.0,\n"
+            , "http://localhost:8080/api/hls/", tshow idx, "/sample.aac\n"
+            ]
+          ]
+      _ -> do
+        status status404
+        respondText "no HLS stream"
+    pure ()
+  onGet "/api/hls/:num/sample.aac" do
+    num <- pathParam "num"
+    DB.lindex a.db "hlssamples" num >>= \case
+      Nothing -> do
+        status status404
+        respondText "sample not found"
+      Just val -> respondBytes val
-- 
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