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 = NULL;
  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, 0, -1);
  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 int is_visible(struct cgit_repo *repo)
 110 {
 111         if (repo->hide || repo->ignore)
 112                 return 0;
 113         if (!(is_match(repo) && is_in_url(repo)))
 114                 return 0;
 115         return 1;
 116 }
 117
 118 static int any_repos_visible(void)
 119 {
 120         int i;
 121
 122         for (i = 0; i < cgit_repolist.count; i++) {
 123                 if (is_visible(&cgit_repolist.repos[i]))
 124                         return 1;
 125         }
 126         return 0;
 127 }
 128
 129 static void print_sort_header(const char *title, const char *sort)
 130 {
 131         char *currenturl = cgit_currenturl();
 132         html("<th class='left'><a href='");
 133         html_attr(currenturl);
 134         htmlf("?s=%s", sort);
 135         if (ctx.qry.search) {
 136                 html("&amp;q=");
 137                 html_url_arg(ctx.qry.search);
 138         }
 139         htmlf("'>%s</a></th>", title);
 140         free(currenturl);
 141 }
 142
 143 static void print_header(void)
 144 {
 145         html("<tr class='nohover'>");
 146         print_sort_header("Name", "name");
 147         print_sort_header("Description", "desc");
 148         if (ctx.cfg.enable_index_owner)
 149                 print_sort_header("Owner", "owner");
 150         print_sort_header("Idle", "idle");
 151         if (ctx.cfg.enable_index_links)
 152                 html("<th class='left'>Links</th>");
 153         html("</tr>\n");
 154 }
 155
 156
 157 static void print_pager(int items, int pagelen, char *search, char *sort)
 158 {
 159         int i, ofs;
 160         char *class = NULL;
 161         html("<ul class='pager'>");
 162         for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
 163                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
 164                 html("<li>");
 165                 cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
 166                                 class, search, sort, ofs, 0);
 167                 html("</li>");
 168         }
 169         html("</ul>");
 170 }
 171
 172 static int cmp(const char *s1, const char *s2)
 173 {
 174         if (s1 && s2) {
 175                 if (ctx.cfg.case_sensitive_sort)
 176                         return strcmp(s1, s2);
 177                 else
 178                         return strcasecmp(s1, s2);
 179         }
 180         if (s1 && !s2)
 181                 return -1;
 182         if (s2 && !s1)
 183                 return 1;
 184         return 0;
 185 }
 186
 187 static int sort_section(const void *a, const void *b)
 188 {
 189         const struct cgit_repo *r1 = a;
 190         const struct cgit_repo *r2 = b;
 191         int result;
 192         time_t t;
 193
 194         result = cmp(r1->section, r2->section);
 195         if (!result) {
 196                 if (!strcmp(ctx.cfg.repository_sort, "age")) {
 197                         // get_repo_modtime caches the value in r->mtime, so we don't
 198                         // have to worry about inefficiencies here.
 199                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
 200                                 result = r2->mtime - r1->mtime;
 201                 }
 202                 if (!result)
 203                         result = cmp(r1->name, r2->name);
 204         }
 205         return result;
 206 }
 207
 208 static int sort_name(const void *a, const void *b)
 209 {
 210         const struct cgit_repo *r1 = a;
 211         const struct cgit_repo *r2 = b;
 212
 213         return cmp(r1->name, r2->name);
 214 }
 215
 216 static int sort_desc(const void *a, const void *b)
 217 {
 218         const struct cgit_repo *r1 = a;
 219         const struct cgit_repo *r2 = b;
 220
 221         return cmp(r1->desc, r2->desc);
 222 }
 223
 224 static int sort_owner(const void *a, const void *b)
 225 {
 226         const struct cgit_repo *r1 = a;
 227         const struct cgit_repo *r2 = b;
 228
 229         return cmp(r1->owner, r2->owner);
 230 }
 231
 232 static int sort_idle(const void *a, const void *b)
 233 {
 234         const struct cgit_repo *r1 = a;
 235         const struct cgit_repo *r2 = b;
 236         time_t t1, t2;
 237
 238         t1 = t2 = 0;
 239         get_repo_modtime(r1, &t1);
 240         get_repo_modtime(r2, &t2);
 241         return t2 - t1;
 242 }
 243
 244 struct sortcolumn {
 245         const char *name;
 246         int (*fn)(const void *a, const void *b);
 247 };
 248
 249 static const struct sortcolumn sortcolumn[] = {
 250         {"section", sort_section},
 251         {"name", sort_name},
 252         {"desc", sort_desc},
 253         {"owner", sort_owner},
 254         {"idle", sort_idle},
 255         {NULL, NULL}
 256 };
 257
 258 static int sort_repolist(char *field)
 259 {
 260         const struct sortcolumn *column;
 261
 262         for (column = &sortcolumn[0]; column->name; column++) {
 263                 if (strcmp(field, column->name))
 264                         continue;
 265                 qsort(cgit_repolist.repos, cgit_repolist.count,
 266                         sizeof(struct cgit_repo), column->fn);
 267                 return 1;
 268         }
 269         return 0;
 270 }
 271
 272
 273 void cgit_print_repolist(void)
 274 {
 275         int i, columns = 3, hits = 0, header = 0;
 276         char *last_section = NULL;
 277         char *section;
 278         char *repourl;
 279         int sorted = 0;
 280
 281         if (!any_repos_visible()) {
 282                 cgit_print_error_page(404, "Not found", "No repositories found");
 283                 return;
 284         }
 285
 286         if (ctx.cfg.enable_index_links)
 287                 ++columns;
 288         if (ctx.cfg.enable_index_owner)
 289                 ++columns;
 290
 291         ctx.page.title = ctx.cfg.root_title;
 292         cgit_print_http_headers();
 293         cgit_print_docstart();
 294         cgit_print_pageheader();
 295
 296         if (ctx.cfg.index_header)
 297                 html_include(ctx.cfg.index_header);
 298
 299         if (ctx.qry.sort)
 300                 sorted = sort_repolist(ctx.qry.sort);
 301         else if (ctx.cfg.section_sort)
 302                 sort_repolist("section");
 303
 304         html("<table summary='repository list' class='list nowrap'>");
 305         for (i = 0; i < cgit_repolist.count; i++) {
 306                 ctx.repo = &cgit_repolist.repos[i];
 307                 if (!is_visible(ctx.repo))
 308                         continue;
 309                 hits++;
 310                 if (hits <= ctx.qry.ofs)
 311                         continue;
 312                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 313                         continue;
 314                 if (!header++)
 315                         print_header();
 316                 section = ctx.repo->section;
 317                 if (section && !strcmp(section, ""))
 318                         section = NULL;
 319                 if (!sorted &&
 320                     ((last_section == NULL && section != NULL) ||
 321                     (last_section != NULL && section == NULL) ||
 322                     (last_section != NULL && section != NULL &&
 323                      strcmp(section, last_section)))) {
 324                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 325                               columns);
 326                         html_txt(section);
 327                         html("</td></tr>");
 328                         last_section = section;
 329                 }
 330                 htmlf("<tr><td class='%s'>",
 331                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
 332                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 333                 html("</td><td>");
 334                 repourl = cgit_repourl(ctx.repo->url);
 335                 html_link_open(repourl, NULL, NULL);
 336                 free(repourl);
 337                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 338                 html_link_close();
 339                 html("</td><td>");
 340                 if (ctx.cfg.enable_index_owner) {
 341                         if (ctx.repo->owner_filter) {
 342                                 cgit_open_filter(ctx.repo->owner_filter);
 343                                 html_txt(ctx.repo->owner);
 344                                 cgit_close_filter(ctx.repo->owner_filter);
 345                         } else {
 346                                 html("<a href='");
 347                                 html_attr(cgit_currenturl());
 348                                 html("?q=");
 349                                 html_url_arg(ctx.repo->owner);
 350                                 html("'>");
 351                                 html_txt(ctx.repo->owner);
 352                                 html("</a>");
 353                         }
 354                         html("</td><td>");
 355                 }
 356                 print_modtime(ctx.repo);
 357                 html("</td>");
 358                 if (ctx.cfg.enable_index_links) {
 359                         html("<td>");
 360                         cgit_summary_link("summary", NULL, "button", NULL);
 361                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 362                                       0, NULL, NULL, ctx.qry.showmsg, 0);
 363                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 364                         html("</td>");
 365                 }
 366                 html("</tr>\n");
 367         }
 368         html("</table>");
 369         if (hits > ctx.cfg.max_repo_count)
 370                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
 371         cgit_print_docend();
 372 }
 373
 374 void cgit_print_site_readme(void)
 375 {
 376         cgit_print_layout_start();
 377         if (!ctx.cfg.root_readme)
 378                 goto done;
 379         cgit_open_filter(ctx.cfg.about_filter, ctx.cfg.root_readme);
 380         html_include(ctx.cfg.root_readme);
 381         cgit_close_filter(ctx.cfg.about_filter);
 382 done:
 383         cgit_print_layout_end();
 384 }