ui-repolist.c

   1 /* ui-repolist.c: functions for generating the repolist page
   2  *
   3  * Copyright (C) 2006 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "html.h"
  11 #include "ui-shared.h"
  12 #include <strings.h>
  13
  14 time_t read_agefile(char *path)
  15 {
  16         time_t result;
  17         size_t size;
  18         char *buf;
  19         static char buf2[64];
  20
  21         if (readfile(path, &buf, &size))
  22                 return -1;
  23
  24         if (parse_date(buf, buf2, sizeof(buf2)) > 0)
  25                 result = strtoul(buf2, NULL, 10);
  26         else
  27                 result = 0;
  28         free(buf);
  29         return result;
  30 }
  31
  32 static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
  33 {
  34         char *path;
  35         struct stat s;
  36         struct cgit_repo *r = (struct cgit_repo *)repo;
  37
  38         if (repo->mtime != -1) {
  39                 *mtime = repo->mtime;
  40                 return 1;
  41         }
  42         path = fmt("%s/%s", repo->path, ctx.cfg.agefile);
  43         if (stat(path, &s) == 0) {
  44                 *mtime = read_agefile(path);
  45                 r->mtime = *mtime;
  46                 return 1;
  47         }
  48
  49         path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch ?
  50                    repo->defbranch : "master");
  51         if (stat(path, &s) == 0) {
  52                 *mtime = s.st_mtime;
  53                 r->mtime = *mtime;
  54                 return 1;
  55         }
  56
  57         path = fmt("%s/%s", repo->path, "packed-refs");
  58         if (stat(path, &s) == 0) {
  59                 *mtime = s.st_mtime;
  60                 r->mtime = *mtime;
  61                 return 1;
  62         }
  63
  64         *mtime = 0;
  65         r->mtime = *mtime;
  66         return (r->mtime != 0);
  67 }
  68
  69 static void print_modtime(struct cgit_repo *repo)
  70 {
  71         time_t t;
  72         if (get_repo_modtime(repo, &t))
  73                 cgit_print_age(t, -1, NULL);
  74 }
  75
  76 int is_match(struct cgit_repo *repo)
  77 {
  78         if (!ctx.qry.search)
  79                 return 1;
  80         if (repo->url && strcasestr(repo->url, ctx.qry.search))
  81                 return 1;
  82         if (repo->name && strcasestr(repo->name, ctx.qry.search))
  83                 return 1;
  84         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
  85                 return 1;
  86         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
  87                 return 1;
  88         return 0;
  89 }
  90
  91 int is_in_url(struct cgit_repo *repo)
  92 {
  93         if (!ctx.qry.url)
  94                 return 1;
  95         if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
  96                 return 1;
  97         return 0;
  98 }
  99
 100 void print_sort_header(const char *title, const char *sort)
 101 {
 102         htmlf("<th class='left'><a href='%s?s=%s", cgit_rooturl(), sort);
 103         if (ctx.qry.search) {
 104                 html("&q=");
 105                 html_url_arg(ctx.qry.search);
 106         }
 107         htmlf("'>%s</a></th>", title);
 108 }
 109
 110 void print_header(int columns)
 111 {
 112         html("<tr class='nohover'>");
 113         print_sort_header("Name", "name");
 114         print_sort_header("Description", "desc");
 115         print_sort_header("Owner", "owner");
 116         print_sort_header("Idle", "idle");
 117         if (ctx.cfg.enable_index_links)
 118                 html("<th class='left'>Links</th>");
 119         html("</tr>\n");
 120 }
 121
 122
 123 void print_pager(int items, int pagelen, char *search, char *sort)
 124 {
 125         int i;
 126         html("<div class='pager'>");
 127         for(i = 0; i * pagelen < items; i++)
 128                 cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), NULL,
 129                                 search, sort, i * pagelen);
 130         html("</div>");
 131 }
 132
 133 static int cmp(const char *s1, const char *s2)
 134 {
 135         if (s1 && s2) {
 136                 if (ctx.cfg.case_sensitive_sort)
 137                         return strcmp(s1, s2);
 138                 else
 139                         return strcasecmp(s1, s2);
 140         }
 141         if (s1 && !s2)
 142                 return -1;
 143         if (s2 && !s1)
 144                 return 1;
 145         return 0;
 146 }
 147
 148 static int sort_section(const void *a, const void *b)
 149 {
 150         const struct cgit_repo *r1 = a;
 151         const struct cgit_repo *r2 = b;
 152         int result;
 153         time_t t;
 154
 155         result = cmp(r1->section, r2->section);
 156         if (!result) {
 157                 if (!strcmp(ctx.cfg.section_sort, "age")) {
 158                         // get_repo_modtime caches the value in r->mtime, so we don't
 159                         // have to worry about inefficiencies here.
 160                         if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
 161                                 result = r2->mtime - r1->mtime;
 162                 }
 163                 if (!result)
 164                         result = cmp(r1->name, r2->name);
 165         }
 166         return result;
 167 }
 168
 169 static int sort_name(const void *a, const void *b)
 170 {
 171         const struct cgit_repo *r1 = a;
 172         const struct cgit_repo *r2 = b;
 173
 174         return cmp(r1->name, r2->name);
 175 }
 176
 177 static int sort_desc(const void *a, const void *b)
 178 {
 179         const struct cgit_repo *r1 = a;
 180         const struct cgit_repo *r2 = b;
 181
 182         return cmp(r1->desc, r2->desc);
 183 }
 184
 185 static int sort_owner(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->owner, r2->owner);
 191 }
 192
 193 static int sort_idle(const void *a, const void *b)
 194 {
 195         const struct cgit_repo *r1 = a;
 196         const struct cgit_repo *r2 = b;
 197         time_t t1, t2;
 198
 199         t1 = t2 = 0;
 200         get_repo_modtime(r1, &t1);
 201         get_repo_modtime(r2, &t2);
 202         return t2 - t1;
 203 }
 204
 205 struct sortcolumn {
 206         const char *name;
 207         int (*fn)(const void *a, const void *b);
 208 };
 209
 210 struct sortcolumn sortcolumn[] = {
 211         {"section", sort_section},
 212         {"name", sort_name},
 213         {"desc", sort_desc},
 214         {"owner", sort_owner},
 215         {"idle", sort_idle},
 216         {NULL, NULL}
 217 };
 218
 219 int sort_repolist(char *field)
 220 {
 221         struct sortcolumn *column;
 222
 223         for (column = &sortcolumn[0]; column->name; column++) {
 224                 if (strcmp(field, column->name))
 225                         continue;
 226                 qsort(cgit_repolist.repos, cgit_repolist.count,
 227                         sizeof(struct cgit_repo), column->fn);
 228                 return 1;
 229         }
 230         return 0;
 231 }
 232
 233
 234 void cgit_print_repolist()
 235 {
 236         int i, columns = 4, hits = 0, header = 0;
 237         char *last_section = NULL;
 238         char *section;
 239         int sorted = 0;
 240
 241         if (ctx.cfg.enable_index_links)
 242                 columns++;
 243
 244         ctx.page.title = ctx.cfg.root_title;
 245         cgit_print_http_headers(&ctx);
 246         cgit_print_docstart(&ctx);
 247         cgit_print_pageheader(&ctx);
 248
 249         if (ctx.cfg.index_header)
 250                 html_include(ctx.cfg.index_header);
 251
 252         if(ctx.qry.sort)
 253                 sorted = sort_repolist(ctx.qry.sort);
 254         else
 255                 sort_repolist("section");
 256
 257         html("<table summary='repository list' class='list nowrap'>");
 258         for (i=0; i<cgit_repolist.count; i++) {
 259                 ctx.repo = &cgit_repolist.repos[i];
 260                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 261                         continue;
 262                 hits++;
 263                 if (hits <= ctx.qry.ofs)
 264                         continue;
 265                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 266                         continue;
 267                 if (!header++)
 268                         print_header(columns);
 269                 section = ctx.repo->section;
 270                 if (section && !strcmp(section, ""))
 271                         section = NULL;
 272                 if (!sorted &&
 273                     ((last_section == NULL && section != NULL) ||
 274                     (last_section != NULL && section == NULL) ||
 275                     (last_section != NULL && section != NULL &&
 276                      strcmp(section, last_section)))) {
 277                         htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
 278                               columns);
 279                         html_txt(section);
 280                         html("</td></tr>");
 281                         last_section = section;
 282                 }
 283                 htmlf("<tr><td class='%s'>",
 284                       !sorted && section ? "sublevel-repo" : "toplevel-repo");
 285                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 286                 html("</td><td>");
 287                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 288                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 289                 html_link_close();
 290                 html("</td><td>");
 291                 html_txt(ctx.repo->owner);
 292                 html("</td><td>");
 293                 print_modtime(ctx.repo);
 294                 html("</td>");
 295                 if (ctx.cfg.enable_index_links) {
 296                         html("<td>");
 297                         cgit_summary_link("summary", NULL, "button", NULL);
 298                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 299                                       0, NULL, NULL, ctx.qry.showmsg);
 300                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 301                         html("</td>");
 302                 }
 303                 html("</tr>\n");
 304         }
 305         html("</table>");
 306         if (!hits)
 307                 cgit_print_error("No repositories found");
 308         else if (hits > ctx.cfg.max_repo_count)
 309                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
 310         cgit_print_docend();
 311 }
 312
 313 void cgit_print_site_readme()
 314 {
 315         if (!ctx.cfg.root_readme)
 316                 return;
 317         if (ctx.cfg.about_filter)
 318                 cgit_open_filter(ctx.cfg.about_filter);
 319         html_include(ctx.cfg.root_readme);
 320         if (ctx.cfg.about_filter)
 321                 cgit_close_filter(ctx.cfg.about_filter);
 322 }