From 61da93983ff1fad186dcb305e8b4acc38db60dc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@hornquist.se>
Date: Tue, 7 May 2019 11:46:37 +0200
Subject: Add basic server.

---
 module/server.scm | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 module/server.scm

(limited to 'module/server.scm')

diff --git a/module/server.scm b/module/server.scm
new file mode 100644
index 00000000..063f6fc7
--- /dev/null
+++ b/module/server.scm
@@ -0,0 +1,55 @@
+(define-module (server)
+  #:use-module (util))
+
+(use-modules* (web (server request response uri))
+              (output (html))
+              (ice-9 (match control rdelim curried-definitions))
+              (srfi (srfi-1 srfi-19)))
+
+(define month-names
+  '(jan feb mar apr may jun jul aug sep oct nov dec))
+
+(define month-numbers
+  (map cons month-names (iota 12 1)))
+
+(define (query->alist str)
+  (map (lambda (s) (let* (((k . v) (string-split s #\=)))
+                (cons (string->symbol (string-downcase k)) v)))
+       (filter (negate string-null?) (string-split str #\&))))
+
+
+(define ((serve-file continuation) path-list)
+  (continuation
+   '((content-type text/css))
+   ;; TODO document root somewhere around here
+   (call-with-input-file (string-append "./" (string-join path-list "/"))
+     read-string)))
+
+;;; TODO "/static/*"
+(define (make-handler calendars events)
+  (lambda (request request-body)
+    (format (current-error-port) "[~a] ~a~%"
+            (date->string (current-date) "~3")
+            request)
+    (call/ec
+     (lambda (ret)
+       (let* ((uri (request-uri request)))
+         (match uri
+           (($ (@@ (web uri) <uri>) scheme userinfo host port path query fragment)
+            (let* ((path-parts (string-split path #\/)))
+              ;; This is actually quite ugly
+              (and=> (member "static" path-parts) (serve-file ret))
+
+              (let* ((query (query->alist (or query "")))
+                     (m (and=> (assoc-ref query 'm)
+                               (compose (lambda (k) (assoc-ref month-numbers k)) string->symbol car))))
+                (when m
+                 (let* ((start (make-date 0 0 0 0 1 m 2019 0))
+                        (end (make-date 0 0 0 0 1 (1+ m) 2019 0))
+                        (str (with-output-to-string (lambda () (html-generate calendars events start end)))))
+                   (ret `((content-type text/html)) str)))
+                (ret (build-response #:code 404)
+                     "404 Not Fonud"))))))))))
+
+(define-public (server-main c e args)
+  (run-server (make-handler c e)))
-- 
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