11 (struct msg (tm_epoch tm_rfc3339 nick text))
12 (struct feed (nick uri))
14 (define (msg-print odd m)
15 (printf "~a \033[1;37m<~a>\033[0m \033[0;~am~a\033[0m~n"
16 (date->string (seconds->date [msg-tm_epoch m]) #t)
22 ; TODO Zulu offset. Maybe in several formats. Which ones?
23 (pregexp "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}"))
25 (define (str->msg nick str)
26 (if (not (regexp-match? re-msg-begin str))
28 (log-debug "Non-msg line from nick:~a, line:~a" nick str)
30 (let ([toks (string-split str (regexp "\t+"))])
31 (if (not (= 2 (length toks)))
33 (log-warning "Invalid msg line from nick:~a, msg:~a" nick str)
36 ([tm_rfc3339 (list-ref toks 0)]
37 [tok_text (list-ref toks 1)]
38 [t (string->rfc3339-record tm_rfc3339)]
39 ; TODO handle tz offset
40 [tm_epoch (find-seconds [rfc3339-record:second t]
41 [rfc3339-record:minute t]
42 [rfc3339-record:hour t]
43 [rfc3339-record:mday t]
44 [rfc3339-record:month t]
45 [rfc3339-record:year t])])
46 (msg tm_epoch tm_rfc3339 nick tok_text))))))
48 (define (str->lines str)
49 (string-split str (regexp "[\r\n]+")))
51 (define (str->msgs nick str)
52 (filter-map (λ (line) (str->msg nick line)) (str->lines str)))
54 (define (uri-fetch uri)
55 (log-info "GET ~a" uri)
56 (define resp (http-get uri))
57 (define status (http-response-code resp))
58 (define body (http-response-body resp))
59 (log-debug "finished GET ~a status:~a body length:~a"
60 uri status (string-length body))
61 ; TODO Handle redirects
62 (if (= status 200) body (raise status)))
64 (define (timeline-print timeline)
67 (msg-print (odd? i) msg)))
69 (define (timeline feeds)
73 (log-info "processing feed nick:~a uri:~a"
79 (log-error "network error nick:~a uri:~a exn:~a"
86 (log-error "http error nick:~a uri:~a status:~a"
91 (str->msgs [feed-nick feed] [uri-fetch (feed-uri feed)])))
96 (sort timeline (λ (a b) [< (msg-tm_epoch a) (msg-tm_epoch b)]))])
99 (define (we-are-twtxt)
101 "https://raw.githubusercontent.com/mdom/we-are-twtxt/master/we-are-twtxt.txt"]
105 (str->lines payload)]
108 (define toks (string-split line))
115 (define (setup-logging)
116 (define logger (make-logger #f #f 'debug #f))
117 (define log-chan (make-log-receiver logger 'debug))
119 [date-display-format 'iso-8601]
121 (define data (sync log-chan))
122 (define level (vector-ref data 0))
123 (define msg (vector-ref data 1))
124 (define ts (date->string (current-date) #t))
125 (eprintf "~a [~a] ~a~n" ts level msg)
127 (current-logger logger))
131 (current-http-response-auto #f)
132 (current-http-user-agent "xandkar/tt 0.0.0")
133 (date-display-format 'rfc2822)
135 (define feeds (we-are-twtxt))
136 (timeline-print (timeline feeds)))