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 "html.h"
  12 #include "ui-shared.h"
  13 #include <strings.h>
  14
  15 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         char *path;
  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         path = fmt("%s/%s", repo->path, ctx.cfg.agefile);
  44         if (stat(path, &s) == 0) {
  45                 *mtime = read_agefile(path);
  46                 r->mtime = *mtime;
  47                 return 1;
  48         }
  49
  50         path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch ?
  51                    repo->defbranch : "master");
  52         if (stat(path, &s) == 0) {
  53                 *mtime = s.st_mtime;
  54                 r->mtime = *mtime;
  55                 return 1;
  56         }
  57
  58         path = fmt("%s/%s", repo->path, "packed-refs");
  59         if (stat(path, &s) == 0) {
  60                 *mtime = s.st_mtime;
  61                 r->mtime = *mtime;
  62                 return 1;
  63         }
  64
  65         *mtime = 0;
  66         r->mtime = *mtime;
  67         return (r->mtime != 0);
  68 }
  69
  70 static void print_modtime(struct cgit_repo *repo)
  71 {
  72         time_t t;
  73         if (get_repo_modtime(repo, &t))
  74                 cgit_print_age(t, -1, NULL);
  75 }
  76
  77 int is_match(struct cgit_repo *repo)
  78 {
  79         if (!ctx.qry.search)
  80                 return 1;
  81         if (repo->url && strcasestr(repo->url, ctx.qry.search))
  82                 return 1;
  83         if (repo->name && strcasestr(repo->name, ctx.qry.search))
  84                 return 1;
  85         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
  86                 return 1;
  87         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
  88                 return 1;
  89         return 0;
  90 }
  91
  92 int is_in_url(struct cgit_repo *repo)
  93 {
  94         if (!ctx.qry.url)
  95                 return 1;
  96         if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
  97                 return 1;
  98         return 0;
  99 }
 100
 101 void print_sort_header(const char *title, const char *sort)
 102 {
 103         htmlf("<th class='left'><a href='%s?s=%s", cgit_rooturl(), sort);
 104         if (ctx.qry.search) {
 105                 html("&q=");
 106                 html_url_arg(ctx.qry.search);
 107         }
 108         htmlf("'>%s</a></th>", title);
 109 }
 110
 111 void print_header(int columns)
 112 {
 113         html("<tr class='nohover'>");
 114         print_sort_header("Name", "name");
 115         print_sort_header("Description", "desc");
 116         print_sort_header("Owner", "owner");
 117         print_sort_header("Idle", "idle");
 118         if (ctx.cfg.enable_index_links)
 119                 html("<th class='left'>Links</th>");
 120         html("</tr>\n");
 121 }
 122
 123
 124 void print_pager(int items, int pagelen, char *search, char *sort)
 125 {
 126         int i, ofs;
 127         char *class = NULL;
 128         html("<div class='pager'>");
 129         for(i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
 130                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
 131                 cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), class,
 132                                 search, sort, ofs);
 133         }
 134         html("</div>");
 135 }
 136
 137 static int cmp(const char *s1, const char *s2)
 138 {
 139         if (s1 && s2) {
 140                 if (ctx.cfg.case_sensitive_sort)
 141                         return strcmp(s1, s2);
 142                 else
 143                         return strcasecmp(s1, s2);
 144         }
 145         if (s1 && !s2)
 146                 return -1;
 147         if (s2 && !s1)
 148                 return 1;
 149         return 0;
 150 }
 151
 152 static int sort_section(const void *a, const void *b)
 153 {
 154         const struct cgit_repo *r1 = a;
 155         const struct cgit_repo *r2 = b;
 156         int result;
 157         time_t t;
 158
 159         result = cmp(r1->section, r2->section);
 160         if (!result) {
 161                 if (!strcmp(ctx.cfg.section_sort, "age")) {
 162                         // get_repo_modtime caches the value in r->mtime, so we don't
 163                         // have to worry about inefficiencies here.
 164                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
 165                                 result = r2->mtime - r1->mtime;
 166                 }
 167                 if (!result)
 168                         result = cmp(r1->name, r2->name);
 169         }
 170         return result;
 171 }
 172
 173 static int sort_name(const void *a, const void *b)
 174 {
 175         const struct cgit_repo *r1 = a;
 176         const struct cgit_repo *r2 = b;
 177
 178         return cmp(r1->name, r2->name);
 179 }
 180
 181 static int sort_desc(const void *a, const void *b)
 182 {
 183         const struct cgit_repo *r1 = a;
 184         const struct cgit_repo *r2 = b;
 185
 186         return cmp(r1->desc, r2->desc);
 187 }
 188
 189 static int sort_owner(const void *a, const void *b)
 190 {
 191         const struct cgit_repo *r1 = a;
 192         const struct cgit_repo *r2 = b;
 193
 194         return cmp(r1->owner, r2->owner);
 195 }
 196
 197 static int sort_idle(const void *a, const void *b)
 198 {
 199         const struct cgit_repo *r1 = a;
 200         const struct cgit_repo *r2 = b;
 201         time_t t1, t2;
 202
 203         t1 = t2 = 0;
 204         get_repo_modtime(r1, &t1);
 205         get_repo_modtime(r2, &t2);
 206         return t2 - t1;
 207 }
 208
 209 struct sortcolumn {
 210         const char *name;
 211         int (*fn)(const void *a, const void *b);
 212 };
 213
 214 struct sortcolumn sortcolumn[] = {
 215         {"section", sort_section},
 216         {"name", sort_name},
 217         {"desc", sort_desc},
 218         {"owner", sort_owner},
 219         {"idle", sort_idle},
 220         {NULL, NULL}
 221 };
 222
 223 int sort_repolist(char *field)
 224 {
 225         struct sortcolumn *column;
 226
 227         for (column = &sortcolumn[0]; column->name; column++) {
 228                 if (strcmp(field, column->name))
 229                         continue;
 230                 qsort(cgit_repolist.repos, cgit_repolist.count,
 231                         sizeof(struct cgit_repo), column->fn);
 232                 return 1;
 233         }
 234         return 0;
 235 }
 236
 237
 238 void cgit_print_repolist()
 239 {
 240         int i, columns = 4, hits = 0, header = 0;
 241         char *last_section = NULL;
 242         char *section;
 243         int sorted = 0;
 244
 245         if (ctx.cfg.enable_index_links)
 246                 columns++;
 247
 248         ctx.page.title = ctx.cfg.root_title;
 249         cgit_print_http_headers(&ctx);
 250         cgit_print_docstart(&ctx);
 251         cgit_print_pageheader(&ctx);
 252
 253         if (ctx.cfg.index_header)
 254                 html_include(ctx.cfg.index_header);
 255
 256         if(ctx.qry.sort)
 257                 sorted = sort_repolist(ctx.qry.sort);
 258         else
 259                 sort_repolist("section");
 260
 261         html("<table summary='repository list' class='list nowrap'>");
 262         for (i=0; i<cgit_repolist.count; i++) {
 263                 ctx.repo = &cgit_repolist.repos[i];
 264                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 265                         continue;
 266                 hits++;
 267                 if (hits <= ctx.qry.ofs)
 268                         continue;
 269                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 270                         continue;
 271                 if (!header++)
 272                         print_header(columns);
 273                 section = ctx.repo->section;
 274                 if (section && !strcmp(section, ""))
 275                         section = NULL;
 276                 if (!sorted &&
 277                     ((last_section == NULL && section != NULL) ||
 278                     (last_section != NULL && section == NULL) ||
 279                     (last_section != NULL && section != NULL &&
 280                      strcmp(section, last_section)))) {
 281                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 282                               columns);
 283                         html_txt(section);
 284                         html("</td></tr>");
 285                         last_section = section;
 286                 }
 287                 htmlf("<tr><td class='%s'>",
 288                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
 289                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 290                 html("</td><td>");
 291                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 292                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 293                 html_link_close();
 294                 html("</td><td>");
 295                 html_txt(ctx.repo->owner);
 296                 html("</td><td>");
 297                 print_modtime(ctx.repo);
 298                 html("</td>");
 299                 if (ctx.cfg.enable_index_links) {
 300                         html("<td>");
 301                         cgit_summary_link("summary", NULL, "button", NULL);
 302                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 303                                       0, NULL, NULL, ctx.qry.showmsg);
 304                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 305                         html("</td>");
 306                 }
 307                 html("</tr>\n");
 308         }
 309         html("</table>");
 310         if (!hits)
 311                 cgit_print_error("No repositories found");
 312         else if (hits > ctx.cfg.max_repo_count)
 313                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
 314         cgit_print_docend();
 315 }
 316
 317 void cgit_print_site_readme()
 318 {
 319         if (!ctx.cfg.root_readme)
 320                 return;
 321         if (ctx.cfg.about_filter)
 322                 cgit_open_filter(ctx.cfg.about_filter);
 323         html_include(ctx.cfg.root_readme);
 324         if (ctx.cfg.about_filter)
 325                 cgit_close_filter(ctx.cfg.about_filter);
 326 }