ui-repolist.c

   1 /* ui-repolist.c: functions for generating the repolist page
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  * Copyright (C) 2012 Jason A. Donenfeld <Jason@zx2c4.com>
   5  *
   6  * Licensed under GNU General Public License v2
   7  *   (see COPYING for full license text)
   8  */
   9
  10 #include "cgit.h"
  11 #include "ui-repolist.h"
  12 #include "html.h"
  13 #include "ui-shared.h"
  14 #include <strings.h>
  15
  16 static time_t read_agefile(char *path)
  17 {
  18         time_t result;
  19         size_t size;
  20         char *buf;
  21         static char buf2[64];
  22
  23         if (readfile(path, &buf, &size))
  24                 return -1;
  25
  26         if (parse_date(buf, buf2, sizeof(buf2)) > 0)
  27                 result = strtoul(buf2, NULL, 10);
  28         else
  29                 result = 0;
  30         free(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 && !prefixcmp(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         htmlf("<th class='left'><a href='%s?s=%s", cgit_rooturl(), sort);
 111         if (ctx.qry.search) {
 112                 html("&amp;q=");
 113                 html_url_arg(ctx.qry.search);
 114         }
 115         htmlf("'>%s</a></th>", title);
 116 }
 117
 118 static void print_header()
 119 {
 120         html("<tr class='nohover'>");
 121         print_sort_header("Name", "name");
 122         print_sort_header("Description", "desc");
 123         if (ctx.cfg.enable_index_owner)
 124                 print_sort_header("Owner", "owner");
 125         print_sort_header("Idle", "idle");
 126         if (ctx.cfg.enable_index_links)
 127                 html("<th class='left'>Links</th>");
 128         html("</tr>\n");
 129 }
 130
 131
 132 static void print_pager(int items, int pagelen, char *search, char *sort)
 133 {
 134         int i, ofs;
 135         char *class = NULL;
 136         html("<ul class='pager'>");
 137         for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
 138                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
 139                 html("<li>");
 140                 cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
 141                                 class, search, sort, ofs);
 142                 html("</li>");
 143         }
 144         html("</ul>");
 145 }
 146
 147 static int cmp(const char *s1, const char *s2)
 148 {
 149         if (s1 && s2) {
 150                 if (ctx.cfg.case_sensitive_sort)
 151                         return strcmp(s1, s2);
 152                 else
 153                         return strcasecmp(s1, s2);
 154         }
 155         if (s1 && !s2)
 156                 return -1;
 157         if (s2 && !s1)
 158                 return 1;
 159         return 0;
 160 }
 161
 162 static int sort_section(const void *a, const void *b)
 163 {
 164         const struct cgit_repo *r1 = a;
 165         const struct cgit_repo *r2 = b;
 166         int result;
 167         time_t t;
 168
 169         result = cmp(r1->section, r2->section);
 170         if (!result) {
 171                 if (!strcmp(ctx.cfg.repository_sort, "age")) {
 172                         // get_repo_modtime caches the value in r->mtime, so we don't
 173                         // have to worry about inefficiencies here.
 174                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
 175                                 result = r2->mtime - r1->mtime;
 176                 }
 177                 if (!result)
 178                         result = cmp(r1->name, r2->name);
 179         }
 180         return result;
 181 }
 182
 183 static int sort_name(const void *a, const void *b)
 184 {
 185         const struct cgit_repo *r1 = a;
 186         const struct cgit_repo *r2 = b;
 187
 188         return cmp(r1->name, r2->name);
 189 }
 190
 191 static int sort_desc(const void *a, const void *b)
 192 {
 193         const struct cgit_repo *r1 = a;
 194         const struct cgit_repo *r2 = b;
 195
 196         return cmp(r1->desc, r2->desc);
 197 }
 198
 199 static int sort_owner(const void *a, const void *b)
 200 {
 201         const struct cgit_repo *r1 = a;
 202         const struct cgit_repo *r2 = b;
 203
 204         return cmp(r1->owner, r2->owner);
 205 }
 206
 207 static int sort_idle(const void *a, const void *b)
 208 {
 209         const struct cgit_repo *r1 = a;
 210         const struct cgit_repo *r2 = b;
 211         time_t t1, t2;
 212
 213         t1 = t2 = 0;
 214         get_repo_modtime(r1, &t1);
 215         get_repo_modtime(r2, &t2);
 216         return t2 - t1;
 217 }
 218
 219 struct sortcolumn {
 220         const char *name;
 221         int (*fn)(const void *a, const void *b);
 222 };
 223
 224 struct sortcolumn sortcolumn[] = {
 225         {"section", sort_section},
 226         {"name", sort_name},
 227         {"desc", sort_desc},
 228         {"owner", sort_owner},
 229         {"idle", sort_idle},
 230         {NULL, NULL}
 231 };
 232
 233 static int sort_repolist(char *field)
 234 {
 235         struct sortcolumn *column;
 236
 237         for (column = &sortcolumn[0]; column->name; column++) {
 238                 if (strcmp(field, column->name))
 239                         continue;
 240                 qsort(cgit_repolist.repos, cgit_repolist.count,
 241                         sizeof(struct cgit_repo), column->fn);
 242                 return 1;
 243         }
 244         return 0;
 245 }
 246
 247
 248 void cgit_print_repolist()
 249 {
 250         int i, columns = 3, hits = 0, header = 0;
 251         char *last_section = NULL;
 252         char *section;
 253         int sorted = 0;
 254
 255         if (ctx.cfg.enable_index_links)
 256                 ++columns;
 257         if (ctx.cfg.enable_index_owner)
 258                 ++columns;
 259
 260         ctx.page.title = ctx.cfg.root_title;
 261         cgit_print_http_headers(&ctx);
 262         cgit_print_docstart(&ctx);
 263         cgit_print_pageheader(&ctx);
 264
 265         if (ctx.cfg.index_header)
 266                 html_include(ctx.cfg.index_header);
 267
 268         if (ctx.qry.sort)
 269                 sorted = sort_repolist(ctx.qry.sort);
 270         else if (ctx.cfg.section_sort)
 271                 sort_repolist("section");
 272
 273         html("<table summary='repository list' class='list nowrap'>");
 274         for (i = 0; i < cgit_repolist.count; i++) {
 275                 ctx.repo = &cgit_repolist.repos[i];
 276                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 277                         continue;
 278                 hits++;
 279                 if (hits <= ctx.qry.ofs)
 280                         continue;
 281                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 282                         continue;
 283                 if (!header++)
 284                         print_header();
 285                 section = ctx.repo->section;
 286                 if (section && !strcmp(section, ""))
 287                         section = NULL;
 288                 if (!sorted &&
 289                     ((last_section == NULL && section != NULL) ||
 290                     (last_section != NULL && section == NULL) ||
 291                     (last_section != NULL && section != NULL &&
 292                      strcmp(section, last_section)))) {
 293                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 294                               columns);
 295                         html_txt(section);
 296                         html("</td></tr>");
 297                         last_section = section;
 298                 }
 299                 htmlf("<tr><td class='%s'>",
 300                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
 301                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 302                 html("</td><td>");
 303                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 304                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 305                 html_link_close();
 306                 html("</td><td>");
 307                 if (ctx.cfg.enable_index_owner) {
 308                         html_txt(ctx.repo->owner);
 309                         html("</td><td>");
 310                 }
 311                 print_modtime(ctx.repo);
 312                 html("</td>");
 313                 if (ctx.cfg.enable_index_links) {
 314                         html("<td>");
 315                         cgit_summary_link("summary", NULL, "button", NULL);
 316                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 317                                       0, NULL, NULL, ctx.qry.showmsg);
 318                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 319                         html("</td>");
 320                 }
 321                 html("</tr>\n");
 322         }
 323         html("</table>");
 324         if (!hits)
 325                 cgit_print_error("No repositories found");
 326         else if (hits > ctx.cfg.max_repo_count)
 327                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
 328         cgit_print_docend();
 329 }
 330
 331 void cgit_print_site_readme()
 332 {
 333         if (!ctx.cfg.root_readme)
 334                 return;
 335         if (ctx.cfg.about_filter) {
 336                 ctx.cfg.about_filter->argv[1] = ctx.cfg.root_readme;
 337                 cgit_open_filter(ctx.cfg.about_filter);
 338         }
 339         html_include(ctx.cfg.root_readme);
 340         if (ctx.cfg.about_filter) {
 341                 cgit_close_filter(ctx.cfg.about_filter);
 342                 ctx.cfg.about_filter->argv[1] = NULL;
 343         }
 344 }