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                 if (*mtime) {
  47                         r->mtime = *mtime;
  48                         return 1;
  49                 }
  50         }
  51
  52         path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch ?
  53                    repo->defbranch : "master");
  54         if (stat(path, &s) == 0) {
  55                 *mtime = s.st_mtime;
  56                 r->mtime = *mtime;
  57                 return 1;
  58         }
  59
  60         path = fmt("%s/%s", repo->path, "packed-refs");
  61         if (stat(path, &s) == 0) {
  62                 *mtime = s.st_mtime;
  63                 r->mtime = *mtime;
  64                 return 1;
  65         }
  66
  67         *mtime = 0;
  68         r->mtime = *mtime;
  69         return (r->mtime != 0);
  70 }
  71
  72 static void print_modtime(struct cgit_repo *repo)
  73 {
  74         time_t t;
  75         if (get_repo_modtime(repo, &t))
  76                 cgit_print_age(t, -1, NULL);
  77 }
  78
  79 int is_match(struct cgit_repo *repo)
  80 {
  81         if (!ctx.qry.search)
  82                 return 1;
  83         if (repo->url && strcasestr(repo->url, ctx.qry.search))
  84                 return 1;
  85         if (repo->name && strcasestr(repo->name, ctx.qry.search))
  86                 return 1;
  87         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
  88                 return 1;
  89         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
  90                 return 1;
  91         return 0;
  92 }
  93
  94 int is_in_url(struct cgit_repo *repo)
  95 {
  96         if (!ctx.qry.url)
  97                 return 1;
  98         if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
  99                 return 1;
 100         return 0;
 101 }
 102
 103 void print_sort_header(const char *title, const char *sort)
 104 {
 105         htmlf("<th class='left'><a href='%s?s=%s", cgit_rooturl(), sort);
 106         if (ctx.qry.search) {
 107                 html("&q=");
 108                 html_url_arg(ctx.qry.search);
 109         }
 110         htmlf("'>%s</a></th>", title);
 111 }
 112
 113 void print_header(int columns)
 114 {
 115         html("<tr class='nohover'>");
 116         print_sort_header("Name", "name");
 117         print_sort_header("Description", "desc");
 118         print_sort_header("Owner", "owner");
 119         print_sort_header("Idle", "idle");
 120         if (ctx.cfg.enable_index_links)
 121                 html("<th class='left'>Links</th>");
 122         html("</tr>\n");
 123 }
 124
 125
 126 void print_pager(int items, int pagelen, char *search, char *sort)
 127 {
 128         int i, ofs;
 129         char *class = NULL;
 130         html("<div class='pager'>");
 131         for(i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
 132                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
 133                 cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), class,
 134                                 search, sort, ofs);
 135         }
 136         html("</div>");
 137 }
 138
 139 static int cmp(const char *s1, const char *s2)
 140 {
 141         if (s1 && s2) {
 142                 if (ctx.cfg.case_sensitive_sort)
 143                         return strcmp(s1, s2);
 144                 else
 145                         return strcasecmp(s1, s2);
 146         }
 147         if (s1 && !s2)
 148                 return -1;
 149         if (s2 && !s1)
 150                 return 1;
 151         return 0;
 152 }
 153
 154 static int sort_section(const void *a, const void *b)
 155 {
 156         const struct cgit_repo *r1 = a;
 157         const struct cgit_repo *r2 = b;
 158         int result;
 159         time_t t;
 160
 161         result = cmp(r1->section, r2->section);
 162         if (!result) {
 163                 if (!strcmp(ctx.cfg.section_sort, "age")) {
 164                         // get_repo_modtime caches the value in r->mtime, so we don't
 165                         // have to worry about inefficiencies here.
 166                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
 167                                 result = r2->mtime - r1->mtime;
 168                 }
 169                 if (!result)
 170                         result = cmp(r1->name, r2->name);
 171         }
 172         return result;
 173 }
 174
 175 static int sort_name(const void *a, const void *b)
 176 {
 177         const struct cgit_repo *r1 = a;
 178         const struct cgit_repo *r2 = b;
 179
 180         return cmp(r1->name, r2->name);
 181 }
 182
 183 static int sort_desc(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->desc, r2->desc);
 189 }
 190
 191 static int sort_owner(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->owner, r2->owner);
 197 }
 198
 199 static int sort_idle(const void *a, const void *b)
 200 {
 201         const struct cgit_repo *r1 = a;
 202         const struct cgit_repo *r2 = b;
 203         time_t t1, t2;
 204
 205         t1 = t2 = 0;
 206         get_repo_modtime(r1, &t1);
 207         get_repo_modtime(r2, &t2);
 208         return t2 - t1;
 209 }
 210
 211 struct sortcolumn {
 212         const char *name;
 213         int (*fn)(const void *a, const void *b);
 214 };
 215
 216 struct sortcolumn sortcolumn[] = {
 217         {"section", sort_section},
 218         {"name", sort_name},
 219         {"desc", sort_desc},
 220         {"owner", sort_owner},
 221         {"idle", sort_idle},
 222         {NULL, NULL}
 223 };
 224
 225 int sort_repolist(char *field)
 226 {
 227         struct sortcolumn *column;
 228
 229         for (column = &sortcolumn[0]; column->name; column++) {
 230                 if (strcmp(field, column->name))
 231                         continue;
 232                 qsort(cgit_repolist.repos, cgit_repolist.count,
 233                         sizeof(struct cgit_repo), column->fn);
 234                 return 1;
 235         }
 236         return 0;
 237 }
 238
 239
 240 void cgit_print_repolist()
 241 {
 242         int i, columns = 4, hits = 0, header = 0;
 243         char *last_section = NULL;
 244         char *section;
 245         int sorted = 0;
 246
 247         if (ctx.cfg.enable_index_links)
 248                 columns++;
 249
 250         ctx.page.title = ctx.cfg.root_title;
 251         cgit_print_http_headers(&ctx);
 252         cgit_print_docstart(&ctx);
 253         cgit_print_pageheader(&ctx);
 254
 255         if (ctx.cfg.index_header)
 256                 html_include(ctx.cfg.index_header);
 257
 258         if(ctx.qry.sort)
 259                 sorted = sort_repolist(ctx.qry.sort);
 260         else
 261                 sort_repolist("section");
 262
 263         html("<table summary='repository list' class='list nowrap'>");
 264         for (i=0; i<cgit_repolist.count; i++) {
 265                 ctx.repo = &cgit_repolist.repos[i];
 266                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 267                         continue;
 268                 hits++;
 269                 if (hits <= ctx.qry.ofs)
 270                         continue;
 271                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 272                         continue;
 273                 if (!header++)
 274                         print_header(columns);
 275                 section = ctx.repo->section;
 276                 if (section && !strcmp(section, ""))
 277                         section = NULL;
 278                 if (!sorted &&
 279                     ((last_section == NULL && section != NULL) ||
 280                     (last_section != NULL && section == NULL) ||
 281                     (last_section != NULL && section != NULL &&
 282                      strcmp(section, last_section)))) {
 283                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 284                               columns);
 285                         html_txt(section);
 286                         html("</td></tr>");
 287                         last_section = section;
 288                 }
 289                 htmlf("<tr><td class='%s'>",
 290                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
 291                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 292                 html("</td><td>");
 293                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 294                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 295                 html_link_close();
 296                 html("</td><td>");
 297                 html_txt(ctx.repo->owner);
 298                 html("</td><td>");
 299                 print_modtime(ctx.repo);
 300                 html("</td>");
 301                 if (ctx.cfg.enable_index_links) {
 302                         html("<td>");
 303                         cgit_summary_link("summary", NULL, "button", NULL);
 304                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 305                                       0, NULL, NULL, ctx.qry.showmsg);
 306                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 307                         html("</td>");
 308                 }
 309                 html("</tr>\n");
 310         }
 311         html("</table>");
 312         if (!hits)
 313                 cgit_print_error("No repositories found");
 314         else if (hits > ctx.cfg.max_repo_count)
 315                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
 316         cgit_print_docend();
 317 }
 318
 319 void cgit_print_site_readme()
 320 {
 321         if (!ctx.cfg.root_readme)
 322                 return;
 323         if (ctx.cfg.about_filter)
 324                 cgit_open_filter(ctx.cfg.about_filter);
 325         html_include(ctx.cfg.root_readme);
 326         if (ctx.cfg.about_filter)
 327                 cgit_close_filter(ctx.cfg.about_filter);
 328 }