83 lines
4.6 KiB
Common Lisp
83 lines
4.6 KiB
Common Lisp
(in-package :asteroid)
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(defun icecast-now-playing (icecast-base-url)
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(let* ((icecast-url (format nil "~a/admin/stats.xml" icecast-base-url))
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(response (drakma:http-request icecast-url
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:want-stream nil
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:basic-authorization '("admin" "asteroid_admin_2024"))))
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(format t "DEBUG: Fetching Icecast stats from ~a~%" icecast-url)
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(when response
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(let ((xml-string (if (stringp response)
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response
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(babel:octets-to-string response :encoding :utf-8))))
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;; Simple XML parsing to extract source information and aggregate listeners
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;; Get title from main mp3 stream
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(let* ((mp3-match (cl-ppcre:scan "<source mount=\"/asteroid\\.mp3\">" xml-string))
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(title (if mp3-match
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(let* ((source-section (subseq xml-string mp3-match
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(or (cl-ppcre:scan "</source>" xml-string :start mp3-match)
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(length xml-string))))
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(titlep (cl-ppcre:all-matches "<title>" source-section)))
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(if titlep
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(cl-ppcre:regex-replace-all ".*<title>(.*?)</title>.*" source-section "\\1")
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"Unknown"))
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"Unknown"))
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;; Aggregate listeners from all three streams
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(total-listeners 0))
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;; Count listeners from each mount point
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(dolist (mount '("/asteroid\\.mp3" "/asteroid\\.aac" "/asteroid-low\\.mp3"))
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(let ((match-pos (cl-ppcre:scan (format nil "<source mount=\"~a\">" mount) xml-string)))
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(when match-pos
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(let* ((source-section (subseq xml-string match-pos
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(or (cl-ppcre:scan "</source>" xml-string :start match-pos)
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(length xml-string))))
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(listenersp (cl-ppcre:all-matches "<listeners>" source-section)))
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(when listenersp
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(let ((listener-count-str (cl-ppcre:regex-replace-all ".*<listeners>(.*?)</listeners>.*" source-section "\\1"))
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(count (parse-integer (cl-ppcre:regex-replace-all ".*<listeners>(.*?)</listeners>.*" source-section "\\1") :junk-allowed t)))
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(format t "DEBUG: Mount ~a has ~a listeners~%" mount count)
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(incf total-listeners count)))))))
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(let ((result `((:listenurl . ,(format nil "~a/asteroid.mp3" *stream-base-url*))
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(:title . ,title)
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(:listeners . ,total-listeners))))
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(format t "DEBUG: Parsed title=~a, total-listeners=~a~%" title total-listeners)
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result))))))
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(define-api asteroid/partial/now-playing () ()
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"Get Partial HTML with live status from Icecast server"
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(handler-case
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(let ((now-playing-stats (icecast-now-playing *stream-base-url*)))
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(if now-playing-stats
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(progn
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;; TODO: it should be able to define a custom api-output for this
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;; (api-output <clip-parser> :format "html"))
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(setf (header "Content-Type") "text/html")
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(clip:process-to-string
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(load-template "partial/now-playing")
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:stats now-playing-stats))
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(progn
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(setf (header "Content-Type") "text/html")
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(clip:process-to-string
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(load-template "partial/now-playing")
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:connection-error t
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:stats nil))))
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(error ()
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(format t "Error in now-playing endpoint~%")
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(setf (header "Content-Type") "text/html")
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(clip:process-to-string
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(load-template "partial/now-playing")
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:connection-error t
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:stats nil))))
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(define-api asteroid/partial/now-playing-inline () ()
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"Get inline text with now playing info (for admin dashboard and widgets)"
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(with-error-handling
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(let ((now-playing-stats (icecast-now-playing *stream-base-url*)))
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(if now-playing-stats
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(progn
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(setf (header "Content-Type") "text/plain")
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(cdr (assoc :title now-playing-stats)))
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(progn
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(setf (header "Content-Type") "text/plain")
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"Stream Offline")))))
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