From d68749e6d31beffe45b6230f6b1428e79ceadb57 Mon Sep 17 00:00:00 2001
From: tilpner
Date: Sun, 12 Aug 2018 21:16:34 +0200
Subject: Add listenbrainz module

---
 modules/3-listenbrainz.rkt | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 modules/3-listenbrainz.rkt

diff --git a/modules/3-listenbrainz.rkt b/modules/3-listenbrainz.rkt
new file mode 100644
index 0000000..e4e5437
--- /dev/null
+++ b/modules/3-listenbrainz.rkt
@@ -0,0 +1,29 @@
+#lang racket/base
+(require irc/core irc/storage irc/bot irc/command
+         racket/format
+         net/url net/uri-codec json)
+
+(define get-listens "https://api.listenbrainz.org/1/user/~a/listens?count=1")
+(define (now-playing lb-user)
+  (let* ([safe-user (uri-encode lb-user)]
+         [port (get-pure-port (string->url (format get-listens safe-user)))]
+         [result (read-json port)]
+         [listens (ref result 'payload 'listens)])
+    (ref (car listens) 'track_metadata)))
+
+(define-command (lb-set-name nick)
+  #:help "Set ListenBrainz handle to be associated with your IRC user"
+  (ref-set! (user-storage (source))
+            (~a nick)
+            'listenbrainz 'name)
+  (persist-user (source)))
+
+(define-command (np)
+  #:help "Display last played song from your associated ListenBrainz handle"
+  (define lb-name (ref (user-storage (source)) 'listenbrainz 'name))
+  (unless lb-name
+    (error-user "You have not set a name yet. Use (lb-set-name yourlbhandle)"))
+  (define last-meta (now-playing lb-name))
+  (reply (format "\"~a\" by ~a"
+                 (ref last-meta 'track_name)
+                 (ref last-meta 'artist_name))))
-- 
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