From 34da56150cbee6449faec22faabf6b2af3c84ed9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@hornquist.se>
Date: Tue, 23 Apr 2019 19:26:54 +0200
Subject: Move stuff from main.

---
 module/html/html.scm | 164 ---------------------------------------------------
 1 file changed, 164 deletions(-)
 delete mode 100644 module/html/html.scm

(limited to 'module/html/html.scm')

diff --git a/module/html/html.scm b/module/html/html.scm
deleted file mode 100644
index 3dcfdb55..00000000
--- a/module/html/html.scm
+++ /dev/null
@@ -1,164 +0,0 @@
-(define-module (html html)
-  #:use-module (srfi srfi-1)
-  #:use-module (srfi srfi-41)
-  #:use-module (srfi srfi-41 util)
-  #:use-module (vcomponent)
-  #:use-module (vcomponent datetime)
-  #:use-module (util)
-  #:use-module (util tree)
-  #:use-module (srfi srfi-19)
-  #:use-module (srfi srfi-19 util)
-
-  #:use-module (parameters)
-  #:use-module (config))
-
-(define-stream (group-stream in-stream)
-  (define (ein? day) (lambda (e) (event-in? e (date->time-utc day))))
-
-  (let loop ((days (day-stream (time-utc->date (attr (stream-car in-stream) 'DTSTART))))
-             (stream in-stream))
-    (if (stream-null? stream)
-        stream-null
-        (let* ((day (stream-car days))
-               (tomorow (add-day (date->time-utc (drop-time day)))))
-          (let ((head (stream-take-while (ein? day) stream))
-                (tail
-                 (filter-sorted-stream*
-                  (lambda (e) (time<? tomorow (attr e 'DTEND)))
-                  (lambda (e) (time<=? tomorow (attr e 'DTSTART)))
-                  stream)))
-
-            (stream-cons (cons day head)
-                         (loop (stream-cdr days)
-                               tail)))))))
-
-(define x-pos (make-object-property))
-(define width (make-object-property))
-
-;; Takes a list of vcomponents, sets their widths and x-positions to optimally
-;; fill out the space, without any overlaps.
-(define (fix-event-widths! start-of-day lst)
-
-  ;; @var{x} is how for left in the container we are.
-  (define (inner x tree)
-    (if (null? tree) #f
-        (let ((w (/ (- 1 x)
-                    (+ 1 (length-of-longst-branch (left-subtree tree))))))
-          (set! (width (car tree)) w
-                (x-pos (car tree)) x)
-          (inner (+ x w) (left-subtree tree))
-          (inner x (right-subtree tree)))))
-
-  (inner 0 (make-tree (lambda (head e) (overlapping? head e))
-                        ;; The tree construction is greedy. This means
-                        ;; that if  a smaller  event preceeds a longer
-                        ;; event it would capture  the longer event to
-                        ;; only find  events which  also overlaps  the
-                        ;; smaller event.
-                      (sort* lst time>? (lambda (e) (event-length/day e start-of-day))))))
-
-;; This should only be used on time intervals, never on absolute times.
-;; For that see @var{date->decimal-hour}.
-(define (time->decimal-hour time)
-  (exact->inexact (/ (time-second time)
-                     3600)))
-
-(define (html-attr str)
-  (define cs (char-set-adjoin char-set:letter+digit #\- #\_))
-  (string-filter (lambda (c) (char-set-contains? cs c)) str))
-
-(define (vevent->sxml day ev)
-  (define time (date->time-utc day))
-  (define style
-    (format #f "left:~,3f%;width:~,3f%;top:~,3f%;height:~,3f%;"
-
-            (* 100 (x-pos ev))          ; left
-            (* 100 (width ev))          ; width
-
-            ;; top
-            (if (in-day? day (attr ev 'DTSTART))
-                (* 100/24
-                   (time->decimal-hour
-                    (time-difference (attr ev 'DTSTART)
-                                     (start-of-day* (attr ev 'DTSTART)))))
-                0)
-
-            ;; height
-            (* 100/24 (time->decimal-hour (event-length/day ev time)))))
-
-  `(div (@ (class "event CAL_" ,(html-attr (let ((l (attr (parent ev) 'NAME)))
-                                             (if (pair? l) (car l) l)))
-             ,(if (time<? (attr ev 'DTSTART) time)
-                  " continued" "")
-             ,(if (time<? (add-day time) (attr ev 'DTEND))
-                  " continuing" ""))
-           (style ,style))
-        ,((summary-filter) ev (attr ev 'SUMMARY))))
-
-(define (lay-out-day day)
-  (let* (((date . events) day))
-    ;; (format (current-error-port) "Processing ~a~%" (date->string date))
-    (fix-event-widths! (date->time-utc date) (stream->list events))
-    `(div (@ (class "day"))
-          (div (@ (class "meta"))
-               (span (@ (class "dayname")) ,(date->string date "~a"))
-               (span (@ (class "daydate")) ,(date->string date "~Y-~m-~d")))
-          (div (@ (class "events"))
-               " "
-               ,@(stream->list (stream-map (lambda (e) (vevent->sxml date e)) events))))))
-
-
-(define (time-marker-div)
-  (map (lambda (time)
-         `(div (@ (id ,(string-append "clock-" time))
-                  (class "clock"))
-               ,(string-append time ":00")))
-       (map number->string (iota 12 0 2))))
-
-(define (d str)
-  (string->date str "~Y-~m-~d"))
-
-
-(define (calculate-fg-color c)
-  (define (str->num c n) (string->number (substring/shared c n (+ n 2)) 16))
-  (let ((r (str->num c 1))
-        (g (str->num c 3))
-        (b (str->num c 5)))
-    (if (< 1/2 (/ (+ (* 0.299 r)
-                     (* 0.587 g)
-                     (* 0.144 b))
-                  #xFF))
-        "black" "#e5e8e6")))
-
-(define (include-css path)
-  `(link (@ (type "text/css")
-            (rel "stylesheet")
-            (href ,path))))
-
-(define-public (html-main calendars events)
-
-  (define evs
-    (filter-sorted-stream
-     (compose (in-date-range?
-               (d "2019-04-15")
-               (d "2019-05-10"))
-              car)
-     (group-stream events)))
-
-  ((@ (sxml simple) sxml->xml)
-   `(html (head
-           (title "Calendar")
-           (meta (@ (charset "utf-8")))
-           ,(include-css "static/style.css")
-           (style ,(format #f "~:{.CAL_~a { background-color: ~a; color: ~a }~%~}"
-                           (map (lambda (c)
-                                  (list (html-attr (if (pair? (attr c 'NAME))
-                                                       (car (attr c 'NAME))
-                                                       (attr c 'NAME)))
-                                        (or (attr c 'COLOR) "white")
-                                        (or (and=> (attr c 'COLOR) calculate-fg-color) "black")))
-                                calendars))))
-          (body (div (@ (class "calendar"))
-                     ,@(time-marker-div)
-                     (div (@ (class "days"))
-                          ,@(stream->list (stream-map lay-out-day evs))))))))
-- 
cgit v1.2.3