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[ps-cgit] / ui-repolist.c
1 /* ui-repolist.c: functions for generating the repolist page
2  *
3  * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
4  *
5  * Licensed under GNU General Public License v2
6  *   (see COPYING for full license text)
7  */
8
9 #include "cgit.h"
10 #include "ui-repolist.h"
11 #include "html.h"
12 #include "ui-shared.h"
13
14 static time_t read_agefile(char *path)
15 {
16         time_t result;
17         size_t size;
18         char *buf;
19         struct strbuf date_buf = STRBUF_INIT;
20
21         if (readfile(path, &buf, &size)) {
22                 free(buf);
23                 return -1;
24         }
25
26         if (parse_date(buf, &date_buf) == 0)
27                 result = strtoul(date_buf.buf, NULL, 10);
28         else
29                 result = 0;
30         free(buf);
31         strbuf_release(&date_buf);
32         return result;
33 }
34
35 static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
36 {
37         struct strbuf path = STRBUF_INIT;
38         struct stat s;
39         struct cgit_repo *r = (struct cgit_repo *)repo;
40
41         if (repo->mtime != -1) {
42                 *mtime = repo->mtime;
43                 return 1;
44         }
45         strbuf_addf(&path, "%s/%s", repo->path, ctx.cfg.agefile);
46         if (stat(path.buf, &s) == 0) {
47                 *mtime = read_agefile(path.buf);
48                 if (*mtime) {
49                         r->mtime = *mtime;
50                         goto end;
51                 }
52         }
53
54         strbuf_reset(&path);
55         strbuf_addf(&path, "%s/refs/heads/%s", repo->path,
56                     repo->defbranch ? repo->defbranch : "master");
57         if (stat(path.buf, &s) == 0) {
58                 *mtime = s.st_mtime;
59                 r->mtime = *mtime;
60                 goto end;
61         }
62
63         strbuf_reset(&path);
64         strbuf_addf(&path, "%s/%s", repo->path, "packed-refs");
65         if (stat(path.buf, &s) == 0) {
66                 *mtime = s.st_mtime;
67                 r->mtime = *mtime;
68                 goto end;
69         }
70
71         *mtime = 0;
72         r->mtime = *mtime;
73 end:
74         strbuf_release(&path);
75         return (r->mtime != 0);
76 }
77
78 static void print_modtime(struct cgit_repo *repo)
79 {
80         time_t t;
81         if (get_repo_modtime(repo, &t))
82                 cgit_print_age(t, -1, NULL);
83 }
84
85 static int is_match(struct cgit_repo *repo)
86 {
87         if (!ctx.qry.search)
88                 return 1;
89         if (repo->url && strcasestr(repo->url, ctx.qry.search))
90                 return 1;
91         if (repo->name && strcasestr(repo->name, ctx.qry.search))
92                 return 1;
93         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
94                 return 1;
95         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
96                 return 1;
97         return 0;
98 }
99
100 static int is_in_url(struct cgit_repo *repo)
101 {
102         if (!ctx.qry.url)
103                 return 1;
104         if (repo->url && starts_with(repo->url, ctx.qry.url))
105                 return 1;
106         return 0;
107 }
108
109 static void print_sort_header(const char *title, const char *sort)
110 {
111         char *currenturl = cgit_currenturl();
112         html("<th class='left'><a href='");
113         html_attr(currenturl);
114         htmlf("?s=%s", sort);
115         if (ctx.qry.search) {
116                 html("&amp;q=");
117                 html_url_arg(ctx.qry.search);
118         }
119         htmlf("'>%s</a></th>", title);
120         free(currenturl);
121 }
122
123 static void print_header(void)
124 {
125         html("<tr class='nohover'>");
126         print_sort_header("Name", "name");
127         print_sort_header("Description", "desc");
128         if (ctx.cfg.enable_index_owner)
129                 print_sort_header("Owner", "owner");
130         print_sort_header("Idle", "idle");
131         if (ctx.cfg.enable_index_links)
132                 html("<th class='left'>Links</th>");
133         html("</tr>\n");
134 }
135
136
137 static void print_pager(int items, int pagelen, char *search, char *sort)
138 {
139         int i, ofs;
140         char *class = NULL;
141         html("<ul class='pager'>");
142         for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
143                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
144                 html("<li>");
145                 cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
146                                 class, search, sort, ofs, 0);
147                 html("</li>");
148         }
149         html("</ul>");
150 }
151
152 static int cmp(const char *s1, const char *s2)
153 {
154         if (s1 && s2) {
155                 if (ctx.cfg.case_sensitive_sort)
156                         return strcmp(s1, s2);
157                 else
158                         return strcasecmp(s1, s2);
159         }
160         if (s1 && !s2)
161                 return -1;
162         if (s2 && !s1)
163                 return 1;
164         return 0;
165 }
166
167 static int sort_section(const void *a, const void *b)
168 {
169         const struct cgit_repo *r1 = a;
170         const struct cgit_repo *r2 = b;
171         int result;
172         time_t t;
173
174         result = cmp(r1->section, r2->section);
175         if (!result) {
176                 if (!strcmp(ctx.cfg.repository_sort, "age")) {
177                         // get_repo_modtime caches the value in r->mtime, so we don't
178                         // have to worry about inefficiencies here.
179                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
180                                 result = r2->mtime - r1->mtime;
181                 }
182                 if (!result)
183                         result = cmp(r1->name, r2->name);
184         }
185         return result;
186 }
187
188 static int sort_name(const void *a, const void *b)
189 {
190         const struct cgit_repo *r1 = a;
191         const struct cgit_repo *r2 = b;
192
193         return cmp(r1->name, r2->name);
194 }
195
196 static int sort_desc(const void *a, const void *b)
197 {
198         const struct cgit_repo *r1 = a;
199         const struct cgit_repo *r2 = b;
200
201         return cmp(r1->desc, r2->desc);
202 }
203
204 static int sort_owner(const void *a, const void *b)
205 {
206         const struct cgit_repo *r1 = a;
207         const struct cgit_repo *r2 = b;
208
209         return cmp(r1->owner, r2->owner);
210 }
211
212 static int sort_idle(const void *a, const void *b)
213 {
214         const struct cgit_repo *r1 = a;
215         const struct cgit_repo *r2 = b;
216         time_t t1, t2;
217
218         t1 = t2 = 0;
219         get_repo_modtime(r1, &t1);
220         get_repo_modtime(r2, &t2);
221         return t2 - t1;
222 }
223
224 struct sortcolumn {
225         const char *name;
226         int (*fn)(const void *a, const void *b);
227 };
228
229 static const struct sortcolumn sortcolumn[] = {
230         {"section", sort_section},
231         {"name", sort_name},
232         {"desc", sort_desc},
233         {"owner", sort_owner},
234         {"idle", sort_idle},
235         {NULL, NULL}
236 };
237
238 static int sort_repolist(char *field)
239 {
240         const struct sortcolumn *column;
241
242         for (column = &sortcolumn[0]; column->name; column++) {
243                 if (strcmp(field, column->name))
244                         continue;
245                 qsort(cgit_repolist.repos, cgit_repolist.count,
246                         sizeof(struct cgit_repo), column->fn);
247                 return 1;
248         }
249         return 0;
250 }
251
252
253 void cgit_print_repolist(void)
254 {
255         int i, columns = 3, hits = 0, header = 0;
256         char *last_section = NULL;
257         char *section;
258         int sorted = 0;
259
260         if (ctx.cfg.enable_index_links)
261                 ++columns;
262         if (ctx.cfg.enable_index_owner)
263                 ++columns;
264
265         ctx.page.title = ctx.cfg.root_title;
266         cgit_print_http_headers();
267         cgit_print_docstart();
268         cgit_print_pageheader();
269
270         if (ctx.cfg.index_header)
271                 html_include(ctx.cfg.index_header);
272
273         if (ctx.qry.sort)
274                 sorted = sort_repolist(ctx.qry.sort);
275         else if (ctx.cfg.section_sort)
276                 sort_repolist("section");
277
278         html("<table summary='repository list' class='list nowrap'>");
279         for (i = 0; i < cgit_repolist.count; i++) {
280                 ctx.repo = &cgit_repolist.repos[i];
281                 if (ctx.repo->hide || ctx.repo->ignore)
282                         continue;
283                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
284                         continue;
285                 hits++;
286                 if (hits <= ctx.qry.ofs)
287                         continue;
288                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
289                         continue;
290                 if (!header++)
291                         print_header();
292                 section = ctx.repo->section;
293                 if (section && !strcmp(section, ""))
294                         section = NULL;
295                 if (!sorted &&
296                     ((last_section == NULL && section != NULL) ||
297                     (last_section != NULL && section == NULL) ||
298                     (last_section != NULL && section != NULL &&
299                      strcmp(section, last_section)))) {
300                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
301                               columns);
302                         html_txt(section);
303                         html("</td></tr>");
304                         last_section = section;
305                 }
306                 htmlf("<tr><td class='%s'>",
307                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
308                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
309                 html("</td><td>");
310                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
311                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
312                 html_link_close();
313                 html("</td><td>");
314                 if (ctx.cfg.enable_index_owner) {
315                         if (ctx.repo->owner_filter) {
316                                 cgit_open_filter(ctx.repo->owner_filter);
317                                 html_txt(ctx.repo->owner);
318                                 cgit_close_filter(ctx.repo->owner_filter);
319                         } else {
320                                 html("<a href='");
321                                 html_attr(cgit_currenturl());
322                                 html("?q=");
323                                 html_url_arg(ctx.repo->owner);
324                                 html("'>");
325                                 html_txt(ctx.repo->owner);
326                                 html("</a>");
327                         }
328                         html("</td><td>");
329                 }
330                 print_modtime(ctx.repo);
331                 html("</td>");
332                 if (ctx.cfg.enable_index_links) {
333                         html("<td>");
334                         cgit_summary_link("summary", NULL, "button", NULL);
335                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
336                                       0, NULL, NULL, ctx.qry.showmsg, 0);
337                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
338                         html("</td>");
339                 }
340                 html("</tr>\n");
341         }
342         html("</table>");
343         if (!hits)
344                 cgit_print_error("No repositories found");
345         else if (hits > ctx.cfg.max_repo_count)
346                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
347         cgit_print_docend();
348 }
349
350 void cgit_print_site_readme(void)
351 {
352         cgit_print_layout_start();
353         if (!ctx.cfg.root_readme)
354                 goto done;
355         cgit_open_filter(ctx.cfg.about_filter, ctx.cfg.root_readme);
356         html_include(ctx.cfg.root_readme);
357         cgit_close_filter(ctx.cfg.about_filter);
358 done:
359         cgit_print_layout_end();
360 }