From 6e65bf675a5449b09f418d8ec713e9f3a6b1f21c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@lysator.liu.se>
Date: Fri, 14 Aug 2020 01:11:39 +0200
Subject: Got rid of (output html).

---
 module/entry-points/html.scm | 97 ++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 88 insertions(+), 9 deletions(-)

(limited to 'module/entry-points/html.scm')

diff --git a/module/entry-points/html.scm b/module/entry-points/html.scm
index e30dc7c1..de80f8d2 100644
--- a/module/entry-points/html.scm
+++ b/module/entry-points/html.scm
@@ -1,13 +1,26 @@
 (define-module (entry-points html)
   :export (main)
-  :use-module (output html)
   :use-module (util)
   :use-module (util time)
-  :use-module (util config)
   :use-module (util options)
-  ;; :use-module (vcomponent)
   :use-module (datetime)
   :use-module (ice-9 getopt-long)
+  :use-module ((ice-9 regex) :select (string-match regexp-substitute))
+
+  :use-module ((srfi srfi-41) :select (stream-take stream-for-each))
+  :use-module ((html view calendar) :select (html-generate))
+  :use-module ((html view calendar week)
+               :select (render-calendar)
+               :renamer (lambda _ 'render-calendar-wide))
+  :use-module ((html view calendar month)
+               :select (render-calendar-table))
+  :use-module ((vcomponent instance methods)
+                :select (get-calendars get-event-set))
+
+  :use-module ((sxml simple) :select (sxml->xml))
+  :use-module ((sxml transformations) :select (href-transformer))
+
+  :autoload (vcomponent instance) (global-event-object)
   )
 
 
@@ -39,6 +52,63 @@
 
     (help (single-char #\h) (description "Print this help."))))
 
+
+
+;; file existing but is of wrong type,
+(define (create-files)
+  (let* ((dir (dirname (or (@ (global) basedir) ".")))
+         (html (string-append dir "/html"))
+         (link (string-append html "/static")))
+    (unless (file-exists? html)
+      (mkdir html))
+    (unless (file-exists? link)
+      (symlink "../static" link))))
+
+
+(define (get-filename start-date)
+  (format #f "~a/html/~a.xml"
+          (dirname (or (@ (global) basedir) "."))
+          (date->string start-date "~1")))
+
+(define (re-root-static tree)
+  (href-transformer
+   tree
+   (lambda (str)
+     (aif (string-match "^/static" str)
+          (regexp-substitute #f it 'pre "static" 'post)
+          str))))
+
+(define (common count start-date chunk-length
+                render-calendar . extra-args)
+
+  (define calendars (get-calendars global-event-object))
+  (define events (get-event-set global-event-object))
+
+  ((@ (util time) report-time!) "html start")
+
+  (create-files)
+
+  (stream-for-each
+   (lambda (start-date)
+     (define fname (get-filename start-date))
+     (format (current-error-port) "Writing to [~a]~%" fname)
+     (with-output-to-file fname
+       (lambda () (sxml->xml (re-root-static
+                         (apply html-generate
+                                calendars: calendars
+                                events: events
+                                next-start: (lambda (d) (date+ d chunk-length))
+                                prev-start: (lambda (d) (date- d chunk-length))
+                                start-date: start-date
+                                end-date: (remove-day (date+ start-date chunk-length))
+                                render-calendar: render-calendar
+                                extra-args))))))
+   (stream-take count (date-stream chunk-length start-date))
+   ))
+
+
+
+
 (define (main args)
   (define opts (getopt-long args (getopt-opt opt-spec)))
   (define start (cond [(option-ref opts 'from #f) => parse-freeform-date]
@@ -52,18 +122,27 @@
     (throw 'return)
     )
 
+  ;; TODO a number of links are wrong, since they point to .html files,
+  ;; while we save the documents as .xml.
+
   (case style
-    [(wide)                             ; previously `chunked'
-     (html-chunked-main count start (date month: 1))]
+    [(wide)
+     (common count start (date month: 1) render-calendar-wide)]
+
     [(week)
+
      ;; TODO The small calendar is always centered on months, it might
      ;; be a good idea to instead center it on the current week, meaning
      ;; that the active row is always in the center
-     (html-chunked-main count
-                        (start-of-week start (get-config 'week-start))
-                        (date day: 7))]
+     (common count (start-of-week start)
+             (date day: 7)
+             render-calendar-wide)]
     [(table)
-     (html-table-main count start)]
+
+     (common count (start-of-month start) (date month: 1)
+             render-calendar-table
+             pre-start: (start-of-week start)
+             post-end: (end-of-week (end-of-month start)))]
     [else
      (error "Unknown html style: ~a" style)])
 
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