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a hyperfast web frontend for git written in c

ui-repolist.c (view raw)

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