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 /* This is needed for strcasestr to be defined by <string.h> */
  10 #define _GNU_SOURCE 1
  11 #include <string.h>
  12
  13 #include <time.h>
  14
  15 #include "cgit.h"
  16 #include "html.h"
  17 #include "ui-shared.h"
  18
  19 time_t read_agefile(char *path)
  20 {
  21         FILE *f;
  22         static char buf[64], buf2[64];
  23
  24         if (!(f = fopen(path, "r")))
  25                 return -1;
  26         if (fgets(buf, sizeof(buf), f) == NULL)
  27                 return -1;
  28         fclose(f);
  29         if (parse_date(buf, buf2, sizeof(buf2)))
  30                 return strtoul(buf2, NULL, 10);
  31         else
  32                 return 0;
  33 }
  34
  35 static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
  36 {
  37         char *path;
  38         struct stat s;
  39         struct cgit_repo *r = (struct cgit_repo *)repo;
  40
  41         if (repo->mtime != -1) {
  42                 *mtime = repo->mtime;
  43                 return 1;
  44         }
  45         path = fmt("%s/%s", repo->path, ctx.cfg.agefile);
  46         if (stat(path, &s) == 0) {
  47                 *mtime = read_agefile(path);
  48                 r->mtime = *mtime;
  49                 return 1;
  50         }
  51
  52         path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch);
  53         if (stat(path, &s) == 0)
  54                 *mtime = s.st_mtime;
  55         else
  56                 *mtime = 0;
  57
  58         r->mtime = *mtime;
  59         return (r->mtime != 0);
  60 }
  61
  62 static void print_modtime(struct cgit_repo *repo)
  63 {
  64         time_t t;
  65         if (get_repo_modtime(repo, &t))
  66                 cgit_print_age(t, -1, NULL);
  67 }
  68
  69 int is_match(struct cgit_repo *repo)
  70 {
  71         if (!ctx.qry.search)
  72                 return 1;
  73         if (repo->url && strcasestr(repo->url, ctx.qry.search))
  74                 return 1;
  75         if (repo->name && strcasestr(repo->name, ctx.qry.search))
  76                 return 1;
  77         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
  78                 return 1;
  79         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
  80                 return 1;
  81         return 0;
  82 }
  83
  84 int is_in_url(struct cgit_repo *repo)
  85 {
  86         if (!ctx.qry.url)
  87                 return 1;
  88         if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
  89                 return 1;
  90         return 0;
  91 }
  92
  93 void print_sort_header(const char *title, const char *sort)
  94 {
  95         htmlf("<th class='left'><a href='./?s=%s", sort);
  96         if (ctx.qry.search) {
  97                 html("&q=");
  98                 html_url_arg(ctx.qry.search);
  99         }
 100         htmlf("'>%s</a></th>", title);
 101 }
 102
 103 void print_header(int columns)
 104 {
 105         html("<tr class='nohover'>");
 106         print_sort_header("Name", "name");
 107         print_sort_header("Description", "desc");
 108         print_sort_header("Owner", "owner");
 109         print_sort_header("Idle", "idle");
 110         if (ctx.cfg.enable_index_links)
 111                 html("<th class='left'>Links</th>");
 112         html("</tr>\n");
 113 }
 114
 115
 116 void print_pager(int items, int pagelen, char *search)
 117 {
 118         int i;
 119         html("<div class='pager'>");
 120         for(i = 0; i * pagelen < items; i++)
 121                 cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), NULL,
 122                                 search, i * pagelen);
 123         html("</div>");
 124 }
 125
 126 static int cmp(const char *s1, const char *s2)
 127 {
 128         if (s1 && s2)
 129                 return strcmp(s1, s2);
 130         if (s1 && !s2)
 131                 return -1;
 132         if (s2 && !s1)
 133                 return 1;
 134         return 0;
 135 }
 136
 137 static int sort_name(const void *a, const void *b)
 138 {
 139         const struct cgit_repo *r1 = a;
 140         const struct cgit_repo *r2 = b;
 141
 142         return cmp(r1->name, r2->name);
 143 }
 144
 145 static int sort_desc(const void *a, const void *b)
 146 {
 147         const struct cgit_repo *r1 = a;
 148         const struct cgit_repo *r2 = b;
 149
 150         return cmp(r1->desc, r2->desc);
 151 }
 152
 153 static int sort_owner(const void *a, const void *b)
 154 {
 155         const struct cgit_repo *r1 = a;
 156         const struct cgit_repo *r2 = b;
 157
 158         return cmp(r1->owner, r2->owner);
 159 }
 160
 161 static int sort_idle(const void *a, const void *b)
 162 {
 163         const struct cgit_repo *r1 = a;
 164         const struct cgit_repo *r2 = b;
 165         time_t t1, t2;
 166
 167         t1 = t2 = 0;
 168         get_repo_modtime(r1, &t1);
 169         get_repo_modtime(r2, &t2);
 170         return t2 - t1;
 171 }
 172
 173 struct sortcolumn {
 174         const char *name;
 175         int (*fn)(const void *a, const void *b);
 176 };
 177
 178 struct sortcolumn sortcolumn[] = {
 179         {"name", sort_name},
 180         {"desc", sort_desc},
 181         {"owner", sort_owner},
 182         {"idle", sort_idle},
 183         {NULL, NULL}
 184 };
 185
 186 int sort_repolist(char *field)
 187 {
 188         struct sortcolumn *column;
 189
 190         for (column = &sortcolumn[0]; column->name; column++) {
 191                 if (strcmp(field, column->name))
 192                         continue;
 193                 qsort(cgit_repolist.repos, cgit_repolist.count,
 194                         sizeof(struct cgit_repo), column->fn);
 195                 return 1;
 196         }
 197         return 0;
 198 }
 199
 200
 201 void cgit_print_repolist()
 202 {
 203         int i, columns = 4, hits = 0, header = 0;
 204         char *last_group = NULL;
 205         int sorted = 0;
 206
 207         if (ctx.cfg.enable_index_links)
 208                 columns++;
 209
 210         ctx.page.title = ctx.cfg.root_title;
 211         cgit_print_http_headers(&ctx);
 212         cgit_print_docstart(&ctx);
 213         cgit_print_pageheader(&ctx);
 214
 215         if (ctx.cfg.index_header)
 216                 html_include(ctx.cfg.index_header);
 217
 218         if(ctx.qry.sort)
 219                 sorted = sort_repolist(ctx.qry.sort);
 220
 221         html("<table summary='repository list' class='list nowrap'>");
 222         for (i=0; i<cgit_repolist.count; i++) {
 223                 ctx.repo = &cgit_repolist.repos[i];
 224                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 225                         continue;
 226                 hits++;
 227                 if (hits <= ctx.qry.ofs)
 228                         continue;
 229                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 230                         continue;
 231                 if (!header++)
 232                         print_header(columns);
 233                 if (!sorted &&
 234                     ((last_group == NULL && ctx.repo->group != NULL) ||
 235                     (last_group != NULL && ctx.repo->group == NULL) ||
 236                     (last_group != NULL && ctx.repo->group != NULL &&
 237                      strcmp(ctx.repo->group, last_group)))) {
 238                         htmlf("<tr class='nohover'><td colspan='%d' class='repogroup'>",
 239                               columns);
 240                         html_txt(ctx.repo->group);
 241                         html("</td></tr>");
 242                         last_group = ctx.repo->group;
 243                 }
 244                 htmlf("<tr><td class='%s'>",
 245                       !sorted && ctx.repo->group ? "sublevel-repo" : "toplevel-repo");
 246                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 247                 html("</td><td>");
 248                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 249                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 250                 html_link_close();
 251                 html("</td><td>");
 252                 html_txt(ctx.repo->owner);
 253                 html("</td><td>");
 254                 print_modtime(ctx.repo);
 255                 html("</td>");
 256                 if (ctx.cfg.enable_index_links) {
 257                         html("<td>");
 258                         cgit_summary_link("summary", NULL, "button", NULL);
 259                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 260                                       0, NULL, NULL, ctx.qry.showmsg);
 261                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 262                         html("</td>");
 263                 }
 264                 html("</tr>\n");
 265         }
 266         html("</table>");
 267         if (!hits)
 268                 cgit_print_error("No repositories found");
 269         else if (hits > ctx.cfg.max_repo_count)
 270                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search);
 271         cgit_print_docend();
 272 }
 273
 274 void cgit_print_site_readme()
 275 {
 276         if (ctx.cfg.root_readme)
 277                 html_include(ctx.cfg.root_readme);
 278 }