X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=tt;h=46059434d82510efacb51cb1d2975da08f969e58;hb=e5c3ae92a01b721a4f9ac27daaed6b2dfff7a060;hp=62499bbfbfeb285ac728aa5b5d897e97f92a36c3;hpb=d6a187b7487fd369119d018a238696ba750793e7;p=tt.git

diff --git a/tt b/tt
index 62499bb..4605943 100755
--- a/tt
+++ b/tt
@@ -1,6 +1,7 @@
 #! /usr/bin/env racket
 ; vim: filetype=racket
 
+; TODO optional text wrap
 ; TODO write
 ; TODO caching (use cache by default, unless explicitly asked for update)
 ; TODO timeline limits
@@ -10,11 +11,32 @@
 ; TODO named timelines
 ; TODO CLI params
 ; TODO config files
+; 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 concurrency
+; 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
+; TODO user-agent format: <client>/<version> (+<source.url>; @<source.nick>)
+;   - requires configurability
+;   - ref: https://twtxt.readthedocs.io/en/latest/user/discoverability.html
 
 #lang racket
 
@@ -23,21 +45,26 @@
 (require http-client)
 (require rfc3339-old)
 
-(struct msg  (tm_epoch tm_rfc3339 nick text))
+(struct msg  (tm_epoch tm_rfc3339 nick uri text))
 (struct feed (nick uri))
 
-(define (msg-print odd m)
-  (printf "~a \033[1;37m<~a>\033[0m \033[0;~am~a\033[0m~n"
-          (date->string (seconds->date [msg-tm_epoch m]) #t)
-          [msg-nick m]
-          [if odd 36 33]
-          [msg-text m]))
+(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-tm_epoch msg]) #t)
+    (msg-nick msg)
+    (msg-uri  msg)
+    (if odd 36 33)
+    (msg-text msg)))
 
 (define re-msg-begin
   ; TODO Zulu offset. Maybe in several formats. Which ones?
   (pregexp "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}"))
 
-(define (str->msg nick str)
+(define (str->msg nick uri str)
   (if (not (regexp-match? re-msg-begin str))
     (begin
       (log-debug "Non-msg line from nick:~a, line:~a" nick str)
@@ -58,13 +85,13 @@
                                    [rfc3339-record:mday   t]
                                    [rfc3339-record:month  t]
                                    [rfc3339-record:year   t])])
-          (msg tm_epoch tm_rfc3339 nick tok_text))))))
+          (msg tm_epoch tm_rfc3339 nick uri tok_text))))))
 
 (define (str->lines str)
   (string-split str (regexp "[\r\n]+")))
 
-(define (str->msgs nick str)
-  (filter-map (λ (line) (str->msg nick line)) (str->lines str)))
+(define (str->msgs nick uri str)
+  (filter-map (λ (line) (str->msg nick uri line)) (str->lines str)))
 
 (define (uri-fetch uri)
   (log-info "GET ~a" uri)
@@ -76,40 +103,37 @@
   ; TODO Handle redirects
   (if (= status 200) body (raise status)))
 
-(define (timeline-print timeline)
+(define (timeline-print out-format timeline)
   (for ([msg timeline]
         [i   (in-naturals)])
-    (msg-print (odd? i) msg)))
-
+    (msg-print out-format (odd? i) msg)))
+
+(define (feed->msgs feed)
+  (log-info "downloading feed nick:~a uri:~a"
+            (feed-nick feed)
+            (feed-uri feed))
+  (with-handlers
+    ([exn:fail:network?
+       (λ (e)
+          (log-error "network error nick:~a uri:~a  exn:~a"
+                     (feed-nick feed)
+                     (feed-uri feed)
+                     e)
+          #f)]
+     [integer?
+       (λ (status)
+          (log-error "http error nick:~a uri:~a  status:~a"
+                     (feed-nick feed)
+                     (feed-uri feed)
+                     status)
+          #f)])
+    (define uri (feed-uri feed))
+    (str->msgs [feed-nick feed] uri [uri-fetch uri])))
+
+; TODO timeline contract : time-sorted list of messages
 (define (timeline feeds)
-  (let* ([timelines
-           (filter-map
-             (λ (feed)
-                (log-info "processing feed nick:~a uri:~a"
-                          (feed-nick feed)
-                          (feed-uri feed))
-                (with-handlers
-                  ([exn:fail:network?
-                     (λ (e)
-                        (log-error "network error nick:~a uri:~a  exn:~a"
-                                   (feed-nick feed)
-                                   (feed-uri feed)
-                                   e)
-                        #f)]
-                   [integer?
-                     (λ (status)
-                        (log-error "http error nick:~a uri:~a  status:~a"
-                                   (feed-nick feed)
-                                   (feed-uri feed)
-                                   status)
-                        #f)])
-                  (str->msgs [feed-nick feed] [uri-fetch (feed-uri feed)])))
-             feeds)]
-         [timeline
-           (append* timelines)]
-         [timeline
-           (sort timeline (λ (a b) [< (msg-tm_epoch a) (msg-tm_epoch b)]))])
-    timeline))
+  (sort (append* (filter-map feed->msgs feeds))
+        (λ (a b) [< (msg-tm_epoch a) (msg-tm_epoch b)])))
 
 (define (we-are-twtxt)
   (let* ([uri
@@ -120,6 +144,7 @@
            (str->lines payload)]
          [feeds
            (map (λ (line)
+                   ; TODO validation
                    (define toks (string-split line))
                    (feed
                      [list-ref toks 0]
@@ -148,6 +173,7 @@
   (date-display-format 'rfc2822)
 
   (define feeds (we-are-twtxt))
-  (timeline-print (timeline feeds)))
+  (define out-format 'multi-line)
+  (timeline-print out-format (timeline feeds)))
 
 (main)