-; TODO optional text wrap
-; TODO write
-; TODO caching (use cache by default, unless explicitly asked for update)
-; - [x] value --> cache
-; - [x] value <-- cache
-; requires: commands
-; TODO timeline limits
-; TODO feed set operations (perhaps better done externally?)
-; TODO timeline as a result of a query (feed set op + filter expressions)
-; TODO named timelines
-; TODO config files
-; TODO parse "following" from feed
-; - following = <nick> <uri>
-; TODO parse mentions:
-; - @<source.nick source.url> | @<source.url>
-; TODO highlight mentions
-; TODO filter on mentions
-; TODO highlight hashtags
-; TODO filter on hashtags
-; TODO hashtags as channels? initial hashtag special?
-; TODO query language
-; TODO console logger colors by level ('error)
-; TODO file logger ('debug)
-; TODO commands:
-; - r | read
-; - see timeline ops above
-; - w | write
-; - arg or stdin
-; - nick expand to URI
-; - q | query
-; - see timeline ops above
-; - see hashtag and channels above
-; - d | download
-; - u | upload
-; - calls user-configured command to upload user's own feed file to their server
-;
-; Looks like a better CLI parser than "racket/cmdline":
-; https://docs.racket-lang.org/natural-cli/
-
#lang racket
(require openssl/sha1)
[expected (sort ( filter-map f xs) <)])
(check-equal? actual expected "concurrent-filter-map")))
-(define (msg-print out-format odd msg)
- (printf
- (match out-format
- ['single-line "~a \033[1;37m<~a ~a>\033[0m \033[0;~am~a\033[0m~n"]
- ['multi-line "~a~n\033[1;37m<~a ~a>\033[0m~n\033[0;~am~a\033[0m~n~n"]
- [_ (raise (format "Invalid output format: ~a" out-format))])
- (date->string (seconds->date [msg-ts_epoch msg]) #t)
- (msg-nick msg)
- (msg-uri msg)
- (if odd 36 33)
- (msg-text msg)))
+(define msg-print
+ (let* ([colors (vector 36 33)]
+ [n (vector-length colors)])
+ (λ (out-format color-i msg)
+ (let ([color (vector-ref colors (modulo color-i n))]
+ [nick (msg-nick msg)]
+ [uri (msg-uri msg)]
+ [text (msg-text msg)])
+ (match out-format
+ ['single-line
+ (printf "~a \033[1;37m<~a>\033[0m \033[0;~am~a\033[0m~n"
+ (parameterize ([date-display-format 'iso-8601])
+ (date->string (seconds->date [msg-ts_epoch msg]) #t))
+ nick color text)]
+ ['multi-line
+ (printf "~a~n\033[1;37m<~a ~a>\033[0m~n\033[0;~am~a\033[0m~n~n"
+ (parameterize ([date-display-format 'rfc2822])
+ (date->string (seconds->date [msg-ts_epoch msg]) #t))
+ nick uri color text)])))))
(define re-msg-begin
; TODO Zulu offset. Maybe in several formats. Which ones?
(file->string cache-file-path))
(begin
(log-info "uri-fetch new ~a" uri)
+ ; TODO Timeout. Currently hangs on slow connections.
(let* ([resp (http-get uri)]
[status (http-response-code resp)]
[body (http-response-body resp)])
(raise status))))))
(define (timeline-print out-format timeline)
- (for ([msg timeline]
- [i (in-naturals)])
- (msg-print out-format (odd? i) msg)))
+ (void (foldl (match-lambda**
+ [((and m (msg _ _ nick _ _)) (cons prev-nick i))
+ (let ([i (if (string=? prev-nick nick) i (+ 1 i))])
+ (msg-print out-format i m)
+ (cons nick i))])
+ (cons "" 0)
+ timeline)))
(define (feed->msgs use-cache feed)
(log-info "downloading feed nick:~a uri:~a"
)
(format "~a/~a (~a)" prog-name prog-version user)))
+(define (start-logger level)
+ (let* ([logger (make-logger #f #f level #f)]
+ [log-receiver (make-log-receiver logger level)])
+ (void (thread (λ ()
+ (parameterize
+ ([date-display-format 'iso-8601])
+ (let loop ()
+ (define data (sync log-receiver))
+ (define level (vector-ref data 0))
+ (define msg (vector-ref data 1))
+ (define ts (date->string (current-date) #t))
+ (eprintf "~a [~a] ~a~n" ts level msg)
+ (loop))))))
+ (current-logger logger)))
+
(module+ main
(require setup/getinfo)
- (let* ([level 'info]
- [logger (make-logger #f #f level #f)]
- [log-receiver (make-log-receiver logger level)])
- (void (thread (λ ()
- [date-display-format 'iso-8601]
- [let loop ()
- (define data (sync log-receiver))
- (define level (vector-ref data 0))
- (define msg (vector-ref data 1))
- (define ts (date->string (current-date) #t))
- (eprintf "~a [~a] ~a~n" ts level msg)
- (loop)])))
- (current-logger logger))
(current-http-response-auto #f)
(let* ([prog-name "tt"]
[prog-version ((get-info (list prog-name)) 'version)]
[user-agent (user-agent prog-name prog-version)])
(current-http-user-agent user-agent))
- (date-display-format 'rfc2822)
(let* ([use-cache
#f]
+ [log-level
+ 'info]
[out-format
'multi-line]
[num_workers
"Read cached data instead of downloading."
(set! use-cache #t)]
+ [("-d" "--debug")
+ "Enable debug log level."
+ (set! log-level 'debug)]
+
[("-j" "--jobs")
njobs "Number of concurrent jobs."
(set! num_workers (string->number njobs))]
- #:args (filename)
+ #:once-any
+ [("-s" "--short")
+ "Short output format"
+ (set! out-format 'single-line)]
+ [("-l" "--long")
+ "Long output format"
+ (set! out-format 'multi-line)]
+
+ #:args (filename)
+ (start-logger log-level)
(timeline-print out-format
(timeline use-cache
num_workers