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         buf[0] = 0;
  27         if (fgets(buf, sizeof(buf), f) == NULL)
  28                 return -1;
  29         fclose(f);
  30         if (parse_date(buf, buf2, sizeof(buf2)))
  31                 return strtoul(buf2, NULL, 10);
  32         else
  33                 return 0;
  34 }
  35
  36 static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
  37 {
  38         char *path;
  39         struct stat s;
  40         struct cgit_repo *r = (struct cgit_repo *)repo;
  41
  42         if (repo->mtime != -1) {
  43                 *mtime = repo->mtime;
  44                 return 1;
  45         }
  46         path = fmt("%s/%s", repo->path, ctx.cfg.agefile);
  47         if (stat(path, &s) == 0) {
  48                 *mtime = read_agefile(path);
  49                 r->mtime = *mtime;
  50                 return 1;
  51         }
  52
  53         path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch);
  54         if (stat(path, &s) == 0)
  55                 *mtime = s.st_mtime;
  56         else
  57                 *mtime = 0;
  58
  59         r->mtime = *mtime;
  60         return (r->mtime != 0);
  61 }
  62
  63 static void print_modtime(struct cgit_repo *repo)
  64 {
  65         time_t t;
  66         if (get_repo_modtime(repo, &t))
  67                 cgit_print_age(t, -1, NULL);
  68 }
  69
  70 int is_match(struct cgit_repo *repo)
  71 {
  72         if (!ctx.qry.search)
  73                 return 1;
  74         if (repo->url && strcasestr(repo->url, ctx.qry.search))
  75                 return 1;
  76         if (repo->name && strcasestr(repo->name, ctx.qry.search))
  77                 return 1;
  78         if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
  79                 return 1;
  80         if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
  81                 return 1;
  82         return 0;
  83 }
  84
  85 int is_in_url(struct cgit_repo *repo)
  86 {
  87         if (!ctx.qry.url)
  88                 return 1;
  89         if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
  90                 return 1;
  91         return 0;
  92 }
  93
  94 void print_sort_header(const char *title, const char *sort)
  95 {
  96         htmlf("<th class='left'><a href='./?s=%s", sort);
  97         if (ctx.qry.search) {
  98                 html("&q=");
  99                 html_url_arg(ctx.qry.search);
 100         }
 101         htmlf("'>%s</a></th>", title);
 102 }
 103
 104 void print_header(int columns)
 105 {
 106         html("<tr class='nohover'>");
 107         print_sort_header("Name", "name");
 108         print_sort_header("Description", "desc");
 109         print_sort_header("Owner", "owner");
 110         print_sort_header("Idle", "idle");
 111         if (ctx.cfg.enable_index_links)
 112                 html("<th class='left'>Links</th>");
 113         html("</tr>\n");
 114 }
 115
 116
 117 void print_pager(int items, int pagelen, char *search)
 118 {
 119         int i;
 120         html("<div class='pager'>");
 121         for(i = 0; i * pagelen < items; i++)
 122                 cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), NULL,
 123                                 search, i * pagelen);
 124         html("</div>");
 125 }
 126
 127 static int cmp(const char *s1, const char *s2)
 128 {
 129         if (s1 && s2)
 130                 return strcmp(s1, s2);
 131         if (s1 && !s2)
 132                 return -1;
 133         if (s2 && !s1)
 134                 return 1;
 135         return 0;
 136 }
 137
 138 static int sort_name(const void *a, const void *b)
 139 {
 140         const struct cgit_repo *r1 = a;
 141         const struct cgit_repo *r2 = b;
 142
 143         return cmp(r1->name, r2->name);
 144 }
 145
 146 static int sort_desc(const void *a, const void *b)
 147 {
 148         const struct cgit_repo *r1 = a;
 149         const struct cgit_repo *r2 = b;
 150
 151         return cmp(r1->desc, r2->desc);
 152 }
 153
 154 static int sort_owner(const void *a, const void *b)
 155 {
 156         const struct cgit_repo *r1 = a;
 157         const struct cgit_repo *r2 = b;
 158
 159         return cmp(r1->owner, r2->owner);
 160 }
 161
 162 static int sort_idle(const void *a, const void *b)
 163 {
 164         const struct cgit_repo *r1 = a;
 165         const struct cgit_repo *r2 = b;
 166         time_t t1, t2;
 167
 168         t1 = t2 = 0;
 169         get_repo_modtime(r1, &t1);
 170         get_repo_modtime(r2, &t2);
 171         return t2 - t1;
 172 }
 173
 174 struct sortcolumn {
 175         const char *name;
 176         int (*fn)(const void *a, const void *b);
 177 };
 178
 179 struct sortcolumn sortcolumn[] = {
 180         {"name", sort_name},
 181         {"desc", sort_desc},
 182         {"owner", sort_owner},
 183         {"idle", sort_idle},
 184         {NULL, NULL}
 185 };
 186
 187 int sort_repolist(char *field)
 188 {
 189         struct sortcolumn *column;
 190
 191         for (column = &sortcolumn[0]; column->name; column++) {
 192                 if (strcmp(field, column->name))
 193                         continue;
 194                 qsort(cgit_repolist.repos, cgit_repolist.count,
 195                         sizeof(struct cgit_repo), column->fn);
 196                 return 1;
 197         }
 198         return 0;
 199 }
 200
 201
 202 void cgit_print_repolist()
 203 {
 204         int i, columns = 4, hits = 0, header = 0;
 205         char *last_group = NULL;
 206         int sorted = 0;
 207
 208         if (ctx.cfg.enable_index_links)
 209                 columns++;
 210
 211         ctx.page.title = ctx.cfg.root_title;
 212         cgit_print_http_headers(&ctx);
 213         cgit_print_docstart(&ctx);
 214         cgit_print_pageheader(&ctx);
 215
 216         if (ctx.cfg.index_header)
 217                 html_include(ctx.cfg.index_header);
 218
 219         if(ctx.qry.sort)
 220                 sorted = sort_repolist(ctx.qry.sort);
 221
 222         html("<table summary='repository list' class='list nowrap'>");
 223         for (i=0; i<cgit_repolist.count; i++) {
 224                 ctx.repo = &cgit_repolist.repos[i];
 225                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
 226                         continue;
 227                 hits++;
 228                 if (hits <= ctx.qry.ofs)
 229                         continue;
 230                 if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
 231                         continue;
 232                 if (!header++)
 233                         print_header(columns);
 234                 if (!sorted &&
 235                     ((last_group == NULL && ctx.repo->group != NULL) ||
 236                     (last_group != NULL && ctx.repo->group == NULL) ||
 237                     (last_group != NULL && ctx.repo->group != NULL &&
 238                      strcmp(ctx.repo->group, last_group)))) {
 239                         htmlf("<tr class='nohover'><td colspan='%d' class='repogroup'>",
 240                               columns);
 241                         html_txt(ctx.repo->group);
 242                         html("</td></tr>");
 243                         last_group = ctx.repo->group;
 244                 }
 245                 htmlf("<tr><td class='%s'>",
 246                       !sorted && ctx.repo->group ? "sublevel-repo" : "toplevel-repo");
 247                 cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
 248                 html("</td><td>");
 249                 html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
 250                 html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
 251                 html_link_close();
 252                 html("</td><td>");
 253                 html_txt(ctx.repo->owner);
 254                 html("</td><td>");
 255                 print_modtime(ctx.repo);
 256                 html("</td>");
 257                 if (ctx.cfg.enable_index_links) {
 258                         html("<td>");
 259                         cgit_summary_link("summary", NULL, "button", NULL);
 260                         cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
 261                                       0, NULL, NULL, ctx.qry.showmsg);
 262                         cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
 263                         html("</td>");
 264                 }
 265                 html("</tr>\n");
 266         }
 267         html("</table>");
 268         if (!hits)
 269                 cgit_print_error("No repositories found");
 270         else if (hits > ctx.cfg.max_repo_count)
 271                 print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search);
 272         cgit_print_docend();
 273 }
 274
 275 void cgit_print_site_readme()
 276 {
 277         if (ctx.cfg.root_readme)
 278                 html_include(ctx.cfg.root_readme);
 279 }