- (let* ([logger (make-logger #f #f 'debug #f)]
- [log-receiver (make-log-receiver logger 'debug)])
- (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 ([feeds
- (let ([args (current-command-line-arguments)])
- (if (= 0 (vector-length args))
- (we-are-twtxt)
- (file->feeds (vector-ref args 0))))]
- [out-format
- 'multi-line]
- [num_workers
- 15]) ; 15 was fastest out of the tried 1, 5, 10, 15 and 20.
- (timeline-print out-format (timeline num_workers feeds))))
+; TODO timeline contract : time-sorted list of messages
+; timeline-read : (U 'old->new 'new->old) -> (Listof Feeds) -> (Listof Msg)
+(define (timeline-read order feeds)
+ (define cmp (match order
+ ['old->new <]
+ ['new->old >]))
+ (sort (append* (filter-map feed->msgs feeds))
+ (λ (a b) (cmp (msg-ts_epoch a) (msg-ts_epoch b)))))
+
+(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
+ (let ([log-level 'info])
+ (command-line
+ #:program
+ "tt"
+ #:once-each
+ [("-d" "--debug")
+ "Enable debug log level."
+ (set! log-level 'debug)]
+ #:help-labels
+ ""
+ "and <command> is one of"
+ "r, read i : Read the timeline."
+ "d, download : Download the timeline."
+ "u, upload : Upload your twtxt file (alias to execute ~/.tt/upload)."
+ ""
+ #:args (command . args)
+ (start-logger log-level)
+ (current-command-line-arguments (list->vector args))
+ (match command
+ [(or "d" "download")
+ (let ([num_workers 15]) ; 15 was fastest out of the tried: 1, 5, 10, 20.
+ (command-line
+ #:program
+ "tt download"
+ #:once-each
+ [("-j" "--jobs")
+ njobs "Number of concurrent jobs."
+ (set! num_workers (string->number njobs))]
+ #:args (filename)
+ (timeline-download num_workers (file->feeds filename))))]
+ [(or "u" "upload")
+ (command-line
+ #:program
+ "tt upload"
+ #:args ()
+ (if (system (path->string (expand-user-path "~/.tt/upload")))
+ (exit 0)
+ (exit 1)))]
+ [(or "r" "read")
+ (let ([out-format 'multi-line]
+ [order 'old->new])
+ (command-line
+ #:program
+ "tt read"
+ #:once-each
+ [("-r" "--rev")
+ "Reverse displayed timeline order."
+ (set! order 'new->old)]
+ #:once-any
+ [("-s" "--short")
+ "Short output format"
+ (set! out-format 'single-line)]
+ [("-l" "--long")
+ "Long output format"
+ (set! out-format 'multi-line)]
+ #:args (filename)
+ (timeline-print out-format (timeline-read order (file->feeds filename)))))]
+ ))))