blob: cf7783f27b44d8f70657ab16d9e45588eb7da5f0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
;;; http.scm -- HTTP API
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;;
;;; This file is part of Cuirass.
;;;
;;; Cuirass is free software: you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation, either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; Cuirass is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Cuirass. If not, see <http://www.gnu.org/licenses/>.
(define-module (cuirass http)
#:use-module (cuirass database)
#:use-module (cuirass utils)
#:use-module (ice-9 hash-table)
#:use-module (ice-9 match)
#:use-module (json)
#:use-module (web request)
#:use-module (web response)
#:use-module (web server)
#:use-module (web uri)
#:export (spec->json-string
run-cuirass-server))
;;;
;;; JSON format.
;;;
(define (object->json-scm obj)
"Prepare OBJ for JSON usage."
(cond ((string? obj) obj)
((number? obj) obj)
((boolean? obj) obj)
((null? obj) obj)
((symbol? obj) (symbol->string obj))
((keyword? obj) (object->json-scm (keyword->symbol obj)))
((alist? obj) (alist->hash-table (map object->json-scm obj)))
((pair? obj) (cons (object->json-scm (car obj))
(object->json-scm (cdr obj))))
(else (object->string obj))))
(define* (spec->json-string spec #:key pretty)
"Return SPEC as a JSON object."
(scm->json-string (object->json-scm spec) #:pretty pretty))
;;;
;;; Web server.
;;;
(define (request-path-components request)
(split-and-decode-uri-path (uri-path (request-uri request))))
(define (url-handler request body db)
(define* (respond response #:key body (db db))
(values response body db))
(match (request-path-components request)
(((or "jobsets" "specifications") . rest)
(respond '((content-type . (application/json)))
#:body (spec->json-string (car (db-get-specifications db)))))
(_
(respond (build-response #:code 404)
#:body (string-append "Resource not found: "
(uri->string (request-uri request)))))))
(define (run-cuirass-server db)
(run-server url-handler
'http ;server implementation
'() ;implementation parameters
db)) ;state
|