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[tt.git]
/
tt
diff --git
a/tt
b/tt
index
2bbe402
..
840a8e5
100755
(executable)
--- a/
tt
+++ b/
tt
@@
-4,6
+4,9
@@
; TODO optional text wrap
; TODO write
; TODO caching (use cache by default, unless explicitly asked for update)
; TODO optional text wrap
; TODO write
; TODO caching (use cache by default, unless explicitly asked for update)
+; - [x] value --> cache
+; - [ ] 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 timeline limits
; TODO feed set operations (perhaps better done externally?)
; TODO timeline as a result of a query (feed set op + filter expressions)
@@
-37,6
+40,7
@@
#lang racket
#lang racket
+(require openssl/sha1)
(require racket/date)
(require http-client)
(require racket/date)
(require http-client)
@@
-124,6
+128,12
@@
(define (str->msgs nick uri str)
(filter-map (λ (line) (str->msg nick uri line)) (str->lines str)))
(define (str->msgs nick uri str)
(filter-map (λ (line) (str->msg nick uri line)) (str->lines str)))
+(define (hash-sha1 str)
+ (define in (open-input-string str))
+ (define digest (sha1 in))
+ (close-input-port in)
+ digest)
+
(define (uri-fetch uri)
(log-info "GET ~a" uri)
(define resp (http-get uri))
(define (uri-fetch uri)
(log-info "GET ~a" uri)
(define resp (http-get uri))
@@
-132,7
+142,18
@@
(log-debug "finished GET ~a status:~a body length:~a"
uri status (string-length body))
; TODO Handle redirects
(log-debug "finished GET ~a status:~a body length:~a"
uri status (string-length body))
; TODO Handle redirects
- (if (= status 200) body (raise status)))
+ (if (= status 200)
+ (let*
+ ([url-digest
+ (hash-sha1 uri)]
+ [cache-file-path
+ (expand-user-path (string-append "~/.tt/cache/" url-digest))])
+ (display-to-file
+ body cache-file-path
+ #:exists 'replace)
+ body)
+ ; TODO A more-informative exception
+ (raise status)))
(define (timeline-print out-format timeline)
(for ([msg timeline]
(define (timeline-print out-format timeline)
(for ([msg timeline]
@@
-200,7
+221,7
@@
(define user-agent
(let*
([prog-name "tt"]
(define user-agent
(let*
([prog-name "tt"]
- [prog-version "0.3.
3
"]
+ [prog-version "0.3.
4
"]
[prog-uri "https://github.com/xandkar/tt"]
[user-feed-file (expand-user-path "~/twtxt-me.txt")]
[user
[prog-uri "https://github.com/xandkar/tt"]
[user-feed-file (expand-user-path "~/twtxt-me.txt")]
[user
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