05d47a71b2216ffb21a62c08208aecff5c9c57a1
[webgit] / src / log.c
1 /*
2     cehtehs git web frontend
3
4   Copyright (C)
5     2007, 2008,         Christian Thaeter <ct@pipapo.org>
6
7   This program is free software: you can redistribute it and/or modify
8   it under the terms of the GNU Affero General Public License as published by
9   the Free Software Foundation, either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU Affero General Public License for more details.
16
17   You should have received a copy of the GNU Affero General Public License
18   along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "log.h"
22 #include "repo.h"
23 #include "summary.h"
24 #include "actions.h"
25 #include "object.h"
26
27 #define SHA1_HEADER <openssl/sha.h>
28 #include "git/cache.h"
29 #include "git/commit.h"
30 #include "git/diff.h"
31 #include "git/revision.h"
32
33 Html
34 webgit_log_link (struct webgit_query* query,
35                  const char* repo,
36                  const char* head,
37                  const char* object, int object_len,
38                  int count,
39                  Html text)
40 {
41   return html (
42                html_tag ("a",
43                          html_attr ("href", html(
44                                                  html_fmt ("%s?repo=%s&action=log",
45                                                            query->request->script_name,
46                                                            repo),
47                                                  head ? html_fmt("&head=%s", head)
48                                                  : html (),
49                                                  object ? html_fmt("&object=%.*s",
50                                                                    object_len, object)
51                                                  : html (),
52                                                  count > 0 ? html_fmt("&count=%d",
53                                                                       count)
54                                                  : html ()
55                                                  )
56                                     )
57                          ),
58                text
59                );
60 }
61
62
63 Html
64 webgit_log_menu_action (struct webgit_repo_info* repo)
65 {
66   return html (html_tag ("div"),
67                webgit_repo_logo (repo), "<br />",
68                // TODO:  ...., "<br />",
69                webgit_summary_link (repo->query, repo, html("Summary")), "<br />",
70                webgit_main_link (repo->query, html ("Main"))
71                );
72 }
73
74
75 Html
76 webgit_log_table (struct webgit_query* query, const char* object, int count, int verbosity)
77 {
78   struct rev_info rev;
79   const char* argv[] = {NULL, object, NULL};
80   int argc = 2;
81
82   init_revisions (&rev, NULL);
83   rev.verbose_header = 1;
84   rev.topo_order = 1;
85
86   setup_revisions (argc, argv, &rev, NULL);
87
88   prepare_revision_walk(&rev);
89
90   Html table = html_list ();
91   Html cont = html_list ();
92   int row = 0;
93
94   struct commit *commit;
95   while ((commit = get_revision (&rev)))
96     {
97       if (!count--)
98         {
99           /* displayed query->count lines, finish */
100           html_list_append (cont,
101                             webgit_log_link (
102                                              query,
103                                              query->repo,
104                                              query->head,
105                                              sha1_to_hex(commit->object.sha1), 40,
106                                              query->count_def,
107                                              html("More..."))
108                             );
109           free(commit->buffer);
110           commit->buffer = NULL;
111           free_commit_list(commit->parents);
112           commit->parents = NULL;
113           break;
114         }
115
116       /* TODO: check if commit is one of the heads and display that */
117
118       struct tm tm;
119       webgit_object_commit_committer_date_parse (commit, &tm);
120
121       char pretty_date[256];
122       strftime (pretty_date, 255, "%c", &tm);
123
124       ++row;
125
126       html_list_append (table,
127                         html (
128                               html_tag ("div",
129                                         html_attr ("class", (row & 1) ? "odd" : "even")
130                                         ),
131                               html(html_tag ("div",
132                                              html_attr ("class", "date")
133                                              ),
134                                    html_strndup (pretty_date, 254)
135                                    ),
136                               html(html_tag ("div",
137                                              html_attr ("class", "test1")
138                                              ),
139                                    webgit_object_link (query,
140                                                        query->repo,
141                                                        strlen (query->repo),
142                                                        sha1_to_hex (commit->object.sha1),
143                                                        40,
144                                                        NULL,
145                                                        NULL,
146                                                        webgit_object_commit_header_parse (commit)
147                                                        )
148                                    )
149                               )
150                         );
151
152       if (verbosity > 0)
153         html_list_append (table,
154                           html (
155                                 html(html_tag ("div",
156                                                html_attr ("class", "author")
157                                                ),
158                                      webgit_email_link (
159                                                         webgit_object_commit_author_name_parse (commit),
160                                                         webgit_object_commit_author_email_parse (commit)
161                                                         )
162                                      ),
163                                 html (html_tag ("div",
164                                                 html_attr ("class", "action")
165                                                 ),
166                                       html(
167                                            "Diff ",
168                                            " ",
169                                            webgit_object_link (query,
170                                                                query->repo,
171                                                                strlen (query->repo),
172                                                                webgit_object_commit_tree_parse (commit),
173                                                                40,
174                                                                NULL,
175                                                                NULL,
176                                                                html ("Tree")
177                                                                )
178                                            )
179                                       )
180                                 )
181                           );
182
183       if (verbosity > 1)
184         html_list_append (table,
185                           html (
186                                 html(html_tag ("div",
187                                                html_attr ("class", "message")
188                                                ),
189                                      html(html_tag ("pre"),
190                                           webgit_object_commit_message_parse (commit)
191                                           )
192                                      )
193                                 )
194                           );
195
196
197 #if 0 /* traverse parents */
198       struct commit *parent;
199       while ((parent = pop_commit (&commit->parents)))
200         {
201         }
202 #endif
203
204       free(commit->buffer);
205       commit->buffer = NULL;
206       free_commit_list(commit->parents);
207       commit->parents = NULL;
208     }
209
210   return html (html( html_tag ("div", html_attr ("id", "log")), table), cont);
211 }
212
213
214 Html
215 webgit_log_content_action (struct webgit_repo_info* repo)
216 {
217   struct webgit_query* query = repo->query;
218
219   const char* object;
220   if (query->object)
221     object = query->object;
222   else if (query->head)
223     object = query->head;
224   else
225     object = "HEAD";
226
227   return webgit_log_table (query, object, query->count, 2);
228 }
229
230 /*
231 //      Local Variables:
232 //      mode: C
233 //      c-file-style: "gnu"
234 //      indent-tabs-mode: nil
235 //      End:
236 */