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 #include <strings.h>
  14
  15 static time_t read_agefile(char *path)
  16 {
  17         time_t result;
  18         size_t size;
  19         char *buf;
  20         static char buf2[64];
  21
  22         if (readfile(path, &buf, &size))
  23                 return -1;
  24
  25         if (parse_date(buf, buf2, sizeof(buf2)) > 0)
  26                 result = strtoul(buf2, NULL, 10);
  27         else
  28                 result = 0;
  29         free(buf);
  30         return result;
  31 }
  32
  33 static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
  34 {
  35         struct strbuf path = STRBUF_INIT;
  36         struct stat s;
  37         struct cgit_repo *r = (struct cgit_repo *)repo;
  38
  39         if (repo->mtime != -1) {
  40                 *mtime = repo->mtime;
  41                 return 1;
  42         }
  43         strbuf_addf(&path, "%s/%s", repo->path, ctx.cfg.agefile);
  44         if (stat(path.buf, &s) == 0) {
  45                 *mtime = read_agefile(path.buf);
  46                 if (*mtime) {
  47                         r->mtime = *mtime;
  48                         goto end;
  49                 }
  50         }
  51
  52         strbuf_reset(&path);
  53         strbuf_addf(&path, "%s/refs/heads/%s", repo->path,
  54                     repo->defbranch ? repo->defbranch : "master");
  55         if (stat(path.buf, &s) == 0) {
  56                 *mtime = s.st_mtime;
  57                 r->mtime = *mtime;
  58                 goto end;
  59         }
  60
  61         strbuf_reset(&path);
  62         strbuf_addf(&path, "%s/%s", repo->path, "packed-refs");
  63         if (stat(path.buf, &s) == 0) {
  64                 *mtime = s.st_mtime;
  65                 r->mtime = *mtime;
  66                 goto end;
  67         }
  68
  69         *mtime = 0;
  70         r->mtime = *mtime;
  71 end:
  72         strbuf_release(&path);
  73         return (r->mtime != 0);
  74 }
  75
  76 static void print_modtime(struct cgit_repo *repo)
  77 {
  78         time_t t;
  79         if (get_repo_modtime(repo, &t))
  80                 cgit_print_age(t, -1, NULL);
  81 }
  82
  83 static int is_match(struct cgit_repo *repo)
  84 {
  85         if (!ctx.qry.search)
  86                 return 1;
  87         if (repo->url && strcasestr(repo->url, ctx.qry.search))
  88                 return 1;
  89         if (repo->name && strcasestr(repo->name, ctx.qry.search))
  90                 return 1;
  91         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
  92                 return 1;
  93         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
  94                 return 1;
  95         return 0;
  96 }
  97
  98 static int is_in_url(struct cgit_repo *repo)
  99 {
 100         if (!ctx.qry.url)
 101                 return 1;
 102         if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
 103                 return 1;
 104         return 0;
 105 }
 106
 107 static void print_sort_header(const char *title, const char *sort)
 108 {
 109         html("<th class='left'><a href='");
 110         html_attr(cgit_rooturl());
 111         htmlf("?s=%s", sort);
 112         if (ctx.qry.search) {
 113                 html("&amp;q=");
 114                 html_url_arg(ctx.qry.search);
 115         }
 116         htmlf("'>%s</a></th>", title);
 117 }
 118
 119 static void print_header()
 120 {
 121         html("<tr class='nohover'>");
 122         print_sort_header("Name", "name");
 123         print_sort_header("Description", "desc");
 124         if (ctx.cfg.enable_index_owner)
 125                 print_sort_header("Owner", "owner");
 126         print_sort_header("Idle", "idle");
 127         if (ctx.cfg.enable_index_links)
 128                 html("<th class='left'>Links</th>");
 129         html("</tr>\n");
 130 }
 131
 132
 133 static void print_pager(int items, int pagelen, char *search, char *sort)
 134 {
 135         int i, ofs;
 136         char *class = NULL;
 137         html("<ul class='pager'>");
 138         for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
 139                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
 140                 html("<li>");
 141                 cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
 142                                 class, search, sort, ofs);
 143                 html("</li>");
 144         }
 145         html("</ul>");
 146 }
 147
 148 static int cmp(const char *s1, const char *s2)
 149 {
 150         if (s1 && s2) {
 151                 if (ctx.cfg.case_sensitive_sort)
 152                         return strcmp(s1, s2);
 153                 else
 154                         return strcasecmp(s1, s2);
 155         }
 156         if (s1 && !s2)
 157                 return -1;
 158         if (s2 && !s1)
 159                 return 1;
 160         return 0;
 161 }
 162
 163 static int sort_section(const void *a, const void *b)
 164 {
 165         const struct cgit_repo *r1 = a;
 166         const struct cgit_repo *r2 = b;
 167         int result;
 168         time_t t;
 169
 170         result = cmp(r1->section, r2->section);
 171         if (!result) {
 172                 if (!strcmp(ctx.cfg.repository_sort, "age")) {
 173                         // get_repo_modtime caches the value in r->mtime, so we don't
 174                         // have to worry about inefficiencies here.
 175                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
 176                                 result = r2->mtime - r1->mtime;
 177                 }
 178                 if (!result)
 179                         result = cmp(r1->name, r2->name);
 180         }
 181         return result;
 182 }
 183
 184 static int sort_name(const void *a, const void *b)
 185 {
 186         const struct cgit_repo *r1 = a;
 187         const struct cgit_repo *r2 = b;
 188
 189         return cmp(r1->name, r2->name);
 190 }
 191
 192 static int sort_desc(const void *a, const void *b)
 193 {
 194         const struct cgit_repo *r1 = a;
 195         const struct cgit_repo *r2 = b;
 196
 197         return cmp(r1->desc, r2->desc);
 198 }
 199
 200 static int sort_owner(const void *a, const void *b)
 201 {
 202         const struct cgit_repo *r1 = a;
 203         const struct cgit_repo *r2 = b;
 204
 205         return cmp(r1->owner, r2->owner);
 206 }
 207
 208 static int sort_idle(const void *a, const void *b)
 209 {
 210         const struct cgit_repo *r1 = a;
 211         const struct cgit_repo *r2 = b;
 212         time_t t1, t2;
 213
 214         t1 = t2 = 0;
 215         get_repo_modtime(r1, &t1);
 216         get_repo_modtime(r2, &t2);
 217         return t2 - t1;
 218 }
 219
 220 struct sortcolumn {
 221         const char *name;
 222         int (*fn)(const void *a, const void *b);
 223 };
 224
 225 struct sortcolumn sortcolumn[] = {
 226         {"section", sort_section},
 227         {"name", sort_name},
 228         {"desc", sort_desc},
 229         {"owner", sort_owner},
 230         {"idle", sort_idle},
 231         {NULL, NULL}
 232 };
 233
 234 static int sort_repolist(char *field)
 235 {
 236         struct sortcolumn *column;
 237
 238         for (column = &sortcolumn[0]; column->name; column++) {
 239                 if (strcmp(field, column->name))
 240                         continue;
 241                 qsort(cgit_repolist.repos, cgit_repolist.count,
 242                         sizeof(struct cgit_repo), column->fn);
 243                 return 1;
 244         }
 245         return 0;
 246 }
 247
 248
 249 void cgit_print_repolist()
 250 {
 251         int i, columns = 3, hits = 0, header = 0;
 252         char *last_section = NULL;
 253         char *section;
 254         int sorted = 0;
 255
 256         if (ctx.cfg.enable_index_links)
 257                 ++columns;
 258         if (ctx.cfg.enable_index_owner)
 259                 ++columns;
 260
 261         ctx.page.title = ctx.cfg.root_title;
 262         cgit_print_http_headers(&ctx);
 263         cgit_print_docstart(&ctx);
 264         cgit_print_pageheader(&ctx);
 265
 266         if (ctx.cfg.index_header)
 267                 html_include(ctx.cfg.index_header);
 268
 269         if (ctx.qry.sort)
 270                 sorted = sort_repolist(ctx.qry.sort);
 271         else if (ctx.cfg.section_sort)
 272                 sort_repolist("section");
 273
 274         html("<table summary='repository list' class='list nowrap'>");
 275         for (i = 0; i < cgit_repolist.count; i++) {
 276                 ctx.repo = &cgit_repolist.repos[i];
 277                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 278                         continue;
 279                 hits++;
 280                 if (hits <= ctx.qry.ofs)
 281                         continue;
 282                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 283                         continue;
 284                 if (!header++)
 285                         print_header();
 286                 section = ctx.repo->section;
 287                 if (section && !strcmp(section, ""))
 288                         section = NULL;
 289                 if (!sorted &&
 290                     ((last_section == NULL && section != NULL) ||
 291                     (last_section != NULL && section == NULL) ||
 292                     (last_section != NULL && section != NULL &&
 293                      strcmp(section, last_section)))) {
 294                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 295                               columns);
 296                         html_txt(section);
 297                         html("</td></tr>");
 298                         last_section = section;
 299                 }
 300                 htmlf("<tr><td class='%s'>",
 301                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
 302                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 303                 html("</td><td>");
 304                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 305                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 306                 html_link_close();
 307                 html("</td><td>");
 308                 if (ctx.cfg.enable_index_owner) {
 309                         html_txt(ctx.repo->owner);
 310                         html("</td><td>");
 311                 }
 312                 print_modtime(ctx.repo);
 313                 html("</td>");
 314                 if (ctx.cfg.enable_index_links) {
 315                         html("<td>");
 316                         cgit_summary_link("summary", NULL, "button", NULL);
 317                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 318                                       0, NULL, NULL, ctx.qry.showmsg);
 319                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 320                         html("</td>");
 321                 }
 322                 html("</tr>\n");
 323         }
 324         html("</table>");
 325         if (!hits)
 326                 cgit_print_error("No repositories found");
 327         else if (hits > ctx.cfg.max_repo_count)
 328                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
 329         cgit_print_docend();
 330 }
 331
 332 void cgit_print_site_readme()
 333 {
 334         if (!ctx.cfg.root_readme)
 335                 return;
 336         cgit_open_filter(ctx.cfg.about_filter, ctx.cfg.root_readme);
 337         html_include(ctx.cfg.root_readme);
 338         cgit_close_filter(ctx.cfg.about_filter);
 339 }