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