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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 * 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
 15time_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
 33static 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		r->mtime = *mtime;
 47		return 1;
 48	}
 49
 50	path = fmt("%s/refs/heads/%s", repo->path, repo->defbranch ?
 51		   repo->defbranch : "master");
 52	if (stat(path, &s) == 0) {
 53		*mtime = s.st_mtime;
 54		r->mtime = *mtime;
 55		return 1;
 56	}
 57
 58	path = fmt("%s/%s", repo->path, "packed-refs");
 59	if (stat(path, &s) == 0) {
 60		*mtime = s.st_mtime;
 61		r->mtime = *mtime;
 62		return 1;
 63	}
 64
 65	*mtime = 0;
 66	r->mtime = *mtime;
 67	return (r->mtime != 0);
 68}
 69
 70static void print_modtime(struct cgit_repo *repo)
 71{
 72	time_t t;
 73	if (get_repo_modtime(repo, &t))
 74		cgit_print_age(t, -1, NULL);
 75}
 76
 77int is_match(struct cgit_repo *repo)
 78{
 79	if (!ctx.qry.search)
 80		return 1;
 81	if (repo->url && strcasestr(repo->url, ctx.qry.search))
 82		return 1;
 83	if (repo->name && strcasestr(repo->name, ctx.qry.search))
 84		return 1;
 85	if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
 86		return 1;
 87	if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
 88		return 1;
 89	return 0;
 90}
 91
 92int is_in_url(struct cgit_repo *repo)
 93{
 94	if (!ctx.qry.url)
 95		return 1;
 96	if (repo->url && !prefixcmp(repo->url, ctx.qry.url))
 97		return 1;
 98	return 0;
 99}
100
101void print_sort_header(const char *title, const char *sort)
102{
103	htmlf("<th class='left'><a href='%s?s=%s", cgit_rooturl(), sort);
104	if (ctx.qry.search) {
105		html("&q=");
106		html_url_arg(ctx.qry.search);
107	}
108	htmlf("'>%s</a></th>", title);
109}
110
111void print_header(int columns)
112{
113	html("<tr class='nohover'>");
114	print_sort_header("Name", "name");
115	print_sort_header("Description", "desc");
116	print_sort_header("Owner", "owner");
117	print_sort_header("Idle", "idle");
118	if (ctx.cfg.enable_index_links)
119		html("<th class='left'>Links</th>");
120	html("</tr>\n");
121}
122
123
124void print_pager(int items, int pagelen, char *search, char *sort)
125{
126	int i;
127	html("<div class='pager'>");
128	for(i = 0; i * pagelen < items; i++)
129		cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), NULL,
130				search, sort, i * pagelen);
131	html("</div>");
132}
133
134static int cmp(const char *s1, const char *s2)
135{
136	if (s1 && s2) {
137		if (ctx.cfg.case_sensitive_sort)
138			return strcmp(s1, s2);
139		else
140			return strcasecmp(s1, s2);
141	}
142	if (s1 && !s2)
143		return -1;
144	if (s2 && !s1)
145		return 1;
146	return 0;
147}
148
149static int sort_section(const void *a, const void *b)
150{
151	const struct cgit_repo *r1 = a;
152	const struct cgit_repo *r2 = b;
153	int result;
154	time_t t;
155
156	result = cmp(r1->section, r2->section);
157	if (!result) {
158		if (!strcmp(ctx.cfg.section_sort, "age")) {
159			// get_repo_modtime caches the value in r->mtime, so we don't
160			// have to worry about inefficiencies here.
161			if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
162				result = r2->mtime - r1->mtime;
163		}
164		if (!result)
165			result = cmp(r1->name, r2->name);
166	}
167	return result;
168}
169
170static int sort_name(const void *a, const void *b)
171{
172	const struct cgit_repo *r1 = a;
173	const struct cgit_repo *r2 = b;
174
175	return cmp(r1->name, r2->name);
176}
177
178static int sort_desc(const void *a, const void *b)
179{
180	const struct cgit_repo *r1 = a;
181	const struct cgit_repo *r2 = b;
182
183	return cmp(r1->desc, r2->desc);
184}
185
186static int sort_owner(const void *a, const void *b)
187{
188	const struct cgit_repo *r1 = a;
189	const struct cgit_repo *r2 = b;
190
191	return cmp(r1->owner, r2->owner);
192}
193
194static int sort_idle(const void *a, const void *b)
195{
196	const struct cgit_repo *r1 = a;
197	const struct cgit_repo *r2 = b;
198	time_t t1, t2;
199
200	t1 = t2 = 0;
201	get_repo_modtime(r1, &t1);
202	get_repo_modtime(r2, &t2);
203	return t2 - t1;
204}
205
206struct sortcolumn {
207	const char *name;
208	int (*fn)(const void *a, const void *b);
209};
210
211struct sortcolumn sortcolumn[] = {
212	{"section", sort_section},
213	{"name", sort_name},
214	{"desc", sort_desc},
215	{"owner", sort_owner},
216	{"idle", sort_idle},
217	{NULL, NULL}
218};
219
220int sort_repolist(char *field)
221{
222	struct sortcolumn *column;
223
224	for (column = &sortcolumn[0]; column->name; column++) {
225		if (strcmp(field, column->name))
226			continue;
227		qsort(cgit_repolist.repos, cgit_repolist.count,
228			sizeof(struct cgit_repo), column->fn);
229		return 1;
230	}
231	return 0;
232}
233
234
235void cgit_print_repolist()
236{
237	int i, columns = 4, hits = 0, header = 0;
238	char *last_section = NULL;
239	char *section;
240	int sorted = 0;
241
242	if (ctx.cfg.enable_index_links)
243		columns++;
244
245	ctx.page.title = ctx.cfg.root_title;
246	cgit_print_http_headers(&ctx);
247	cgit_print_docstart(&ctx);
248	cgit_print_pageheader(&ctx);
249
250	if (ctx.cfg.index_header)
251		html_include(ctx.cfg.index_header);
252
253	if(ctx.qry.sort)
254		sorted = sort_repolist(ctx.qry.sort);
255	else
256		sort_repolist("section");
257
258	html("<table summary='repository list' class='list nowrap'>");
259	for (i=0; i<cgit_repolist.count; i++) {
260		ctx.repo = &cgit_repolist.repos[i];
261		if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
262			continue;
263		hits++;
264		if (hits <= ctx.qry.ofs)
265			continue;
266		if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
267			continue;
268		if (!header++)
269			print_header(columns);
270		section = ctx.repo->section;
271		if (section && !strcmp(section, ""))
272			section = NULL;
273		if (!sorted &&
274		    ((last_section == NULL && section != NULL) ||
275		    (last_section != NULL && section == NULL) ||
276		    (last_section != NULL && section != NULL &&
277		     strcmp(section, last_section)))) {
278			htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
279			      columns);
280			html_txt(section);
281			html("</td></tr>");
282			last_section = section;
283		}
284		htmlf("<tr><td class='%s'>",
285		      !sorted && section ? "sublevel-repo" : "toplevel-repo");
286		cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
287		html("</td><td>");
288		html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
289		html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
290		html_link_close();
291		html("</td><td>");
292		html_txt(ctx.repo->owner);
293		html("</td><td>");
294		print_modtime(ctx.repo);
295		html("</td>");
296		if (ctx.cfg.enable_index_links) {
297			html("<td>");
298			cgit_summary_link("summary", NULL, "button", NULL);
299			cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
300				      0, NULL, NULL, ctx.qry.showmsg);
301			cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
302			html("</td>");
303		}
304		html("</tr>\n");
305	}
306	html("</table>");
307	if (!hits)
308		cgit_print_error("No repositories found");
309	else if (hits > ctx.cfg.max_repo_count)
310		print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
311	cgit_print_docend();
312}
313
314void cgit_print_site_readme()
315{
316	if (!ctx.cfg.root_readme)
317		return;
318	if (ctx.cfg.about_filter)
319		cgit_open_filter(ctx.cfg.about_filter);
320	html_include(ctx.cfg.root_readme);
321	if (ctx.cfg.about_filter)
322		cgit_close_filter(ctx.cfg.about_filter);
323}