aboutsummaryrefslogtreecommitdiff
path: root/guix-data-service/web/controller.scm
blob: e671082c1e6d8a9a7781408561bce028bbf2473a (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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2016, 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Affero General Public License
;;; as published by the Free Software Foundation, either version 3 of
;;; the License, or (at your option) any later version.
;;;
;;; This program 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
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with this program.  If not, see
;;; <http://www.gnu.org/licenses/>.

(define-module (guix-data-service web controller)
  #:use-module (ice-9 match)
  #:use-module (ice-9 pretty-print)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-11)
  #:use-module (srfi srfi-26)
  #:use-module (web request)
  #:use-module (web uri)
  #:use-module (squee)
  #:use-module (guix-data-service comparison)
  #:use-module (guix-data-service model guix-revision)
  #:use-module (guix-data-service jobs load-new-guix-revision)
  #:use-module (guix-data-service web render)
  #:use-module (guix-data-service web util)
  #:use-module (guix-data-service web view html)
  #:export (controller))

(define-syntax-rule (-> target functions ...)
  (fold (lambda (f val) (and=> val f))
        target
        (list functions ...)))

(define (render-with-error-handling page message)
  (apply render-html (page))
  ;; (catch #t
  ;;   (lambda ()
  ;;     (receive (sxml headers)
  ;;         (pretty-print (page))
  ;;       (render-html sxml headers)))
  ;;   (lambda (key . args)
  ;;     (format #t "ERROR: ~a ~a\n"
  ;;             key args)
  ;;     (render-html (error-page message))))
  )

(define (controller request body conn)
  (match-lambda
    ((GET)
     (apply render-html (index (most-recent-n-guix-revisions conn 10))))
    ((GET "compare")
     (let ((base-commit (-> request
                            request-uri
                            uri-query
                            parse-query-string
                            (cut assoc-ref <> "base_commit")))
           (target-commit (-> request
                              request-uri
                              uri-query
                              parse-query-string
                              (cut assoc-ref <> "target_commit"))))
       (let ((base-revision-id (commit->revision-id conn base-commit))
             (target-revision-id (commit->revision-id conn target-commit)))
         (cond
          ((not (and base-revision-id target-revision-id))
           (apply render-html
                  (compare-unknown-commit base-commit
                                          target-commit
                                          (if base-revision-id #t #f)
                                          (if target-revision-id #t #f)
                                          (select-job-for-commit conn
                                                                 base-commit)
                                          (select-job-for-commit conn
                                                                 target-commit))))
          (else
           (let-values
               (((base-packages-vhash target-packages-vhash)
                 (package-data->package-data-vhashes
                  (package-differences-data conn
                                            base-revision-id
                                            target-revision-id))))
             (let* ((new-packages
                     (package-data-vhashes->new-packages base-packages-vhash
                                                         target-packages-vhash))
                    (removed-packages
                     (package-data-vhashes->removed-packages base-packages-vhash
                                                             target-packages-vhash))
                    (version-changes
                     (package-data-version-changes base-packages-vhash
                                                   target-packages-vhash))
                    (other-changes
                     (package-data-other-changes base-packages-vhash
                                                 target-packages-vhash)))
               (apply render-html
                      (compare base-commit
                               target-commit
                               new-packages
                               removed-packages
                               version-changes
                               other-changes)))))))))
    ((GET "compare" "derivations")
     (let ((base-commit (-> request
                            request-uri
                            uri-query
                            parse-query-string
                            (cut assoc-ref <> "base_commit")))
           (target-commit (-> request
                              request-uri
                              uri-query
                              parse-query-string
                              (cut assoc-ref <> "target_commit"))))
       (let ((base-revision-id (commit->revision-id conn base-commit))
             (target-revision-id (commit->revision-id conn target-commit)))
         (cond
          ((not (and base-revision-id target-revision-id))
           (apply render-html
                  (compare-unknown-commit base-commit
                                          target-commit
                                          (if base-revision-id #t #f)
                                          (if target-revision-id #t #f)
                                          (select-job-for-commit conn
                                                                 base-commit)
                                          (select-job-for-commit conn
                                                                 target-commit))))
          (else
           (let-values
               (((base-packages-vhash target-packages-vhash)
                 (package-data->package-data-vhashes
                  (package-differences-data conn
                                            base-revision-id
                                            target-revision-id))))
               (apply render-html
                      (compare/derivations
                       base-commit
                       target-commit
                       (package-data-vhash->derivations
                        conn
                        base-packages-vhash)
                       (package-data-vhash->derivations
                        conn
                        target-packages-vhash)))))))))
    ((GET path ...)
     (render-static-asset request))))