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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) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
  4 *
  5 * Licensed under GNU General Public License v2
  6 *   (see COPYING for full license text)
  7 */
  8
  9#include "cgit.h"
 10#include "ui-repolist.h"
 11#include "html.h"
 12#include "ui-shared.h"
 13
 14static time_t read_agefile(char *path)
 15{
 16	time_t result;
 17	size_t size;
 18	char *buf;
 19	struct strbuf date_buf = STRBUF_INIT;
 20
 21	if (readfile(path, &buf, &size)) {
 22		free(buf);
 23		return -1;
 24	}
 25
 26	if (parse_date(buf, &date_buf) == 0)
 27		result = strtoul(date_buf.buf, NULL, 10);
 28	else
 29		result = 0;
 30	free(buf);
 31	strbuf_release(&date_buf);
 32	return result;
 33}
 34
 35static int get_repo_modtime(const struct cgit_repo *repo, time_t *mtime)
 36{
 37	struct strbuf path = STRBUF_INIT;
 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	strbuf_addf(&path, "%s/%s", repo->path, ctx.cfg.agefile);
 46	if (stat(path.buf, &s) == 0) {
 47		*mtime = read_agefile(path.buf);
 48		if (*mtime) {
 49			r->mtime = *mtime;
 50			goto end;
 51		}
 52	}
 53
 54	strbuf_reset(&path);
 55	strbuf_addf(&path, "%s/refs/heads/%s", repo->path,
 56		    repo->defbranch ? repo->defbranch : "master");
 57	if (stat(path.buf, &s) == 0) {
 58		*mtime = s.st_mtime;
 59		r->mtime = *mtime;
 60		goto end;
 61	}
 62
 63	strbuf_reset(&path);
 64	strbuf_addf(&path, "%s/%s", repo->path, "packed-refs");
 65	if (stat(path.buf, &s) == 0) {
 66		*mtime = s.st_mtime;
 67		r->mtime = *mtime;
 68		goto end;
 69	}
 70
 71	*mtime = 0;
 72	r->mtime = *mtime;
 73end:
 74	strbuf_release(&path);
 75	return (r->mtime != 0);
 76}
 77
 78static void print_modtime(struct cgit_repo *repo)
 79{
 80	time_t t;
 81	if (get_repo_modtime(repo, &t))
 82		cgit_print_age(t, -1, NULL);
 83}
 84
 85static int is_match(struct cgit_repo *repo)
 86{
 87	if (!ctx.qry.search)
 88		return 1;
 89	if (repo->url && strcasestr(repo->url, ctx.qry.search))
 90		return 1;
 91	if (repo->name && strcasestr(repo->name, ctx.qry.search))
 92		return 1;
 93	if (repo->desc && strcasestr(repo->desc, ctx.qry.search))
 94		return 1;
 95	if (repo->owner && strcasestr(repo->owner, ctx.qry.search))
 96		return 1;
 97	return 0;
 98}
 99
100static int is_in_url(struct cgit_repo *repo)
101{
102	if (!ctx.qry.url)
103		return 1;
104	if (repo->url && starts_with(repo->url, ctx.qry.url))
105		return 1;
106	return 0;
107}
108
109static void print_sort_header(const char *title, const char *sort)
110{
111	html("<th class='left'><a href='");
112	html_attr(cgit_currenturl());
113	htmlf("?s=%s", sort);
114	if (ctx.qry.search) {
115		html("&amp;q=");
116		html_url_arg(ctx.qry.search);
117	}
118	htmlf("'>%s</a></th>", title);
119}
120
121static void print_header(void)
122{
123	html("<tr class='nohover'>");
124	print_sort_header("Name", "name");
125	print_sort_header("Description", "desc");
126	if (ctx.cfg.enable_index_owner)
127		print_sort_header("Owner", "owner");
128	print_sort_header("Idle", "idle");
129	if (ctx.cfg.enable_index_links)
130		html("<th class='left'>Links</th>");
131	html("</tr>\n");
132}
133
134
135static void print_pager(int items, int pagelen, char *search, char *sort)
136{
137	int i, ofs;
138	char *class = NULL;
139	html("<ul class='pager'>");
140	for (i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
141		class = (ctx.qry.ofs == ofs) ? "current" : NULL;
142		html("<li>");
143		cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
144				class, search, sort, ofs, 0);
145		html("</li>");
146	}
147	html("</ul>");
148}
149
150static int cmp(const char *s1, const char *s2)
151{
152	if (s1 && s2) {
153		if (ctx.cfg.case_sensitive_sort)
154			return strcmp(s1, s2);
155		else
156			return strcasecmp(s1, s2);
157	}
158	if (s1 && !s2)
159		return -1;
160	if (s2 && !s1)
161		return 1;
162	return 0;
163}
164
165static int sort_section(const void *a, const void *b)
166{
167	const struct cgit_repo *r1 = a;
168	const struct cgit_repo *r2 = b;
169	int result;
170	time_t t;
171
172	result = cmp(r1->section, r2->section);
173	if (!result) {
174		if (!strcmp(ctx.cfg.repository_sort, "age")) {
175			// get_repo_modtime caches the value in r->mtime, so we don't
176			// have to worry about inefficiencies here.
177			if (get_repo_modtime(r1, &t) && get_repo_modtime(r2, &t))
178				result = r2->mtime - r1->mtime;
179		}
180		if (!result)
181			result = cmp(r1->name, r2->name);
182	}
183	return result;
184}
185
186static int sort_name(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->name, r2->name);
192}
193
194static int sort_desc(const void *a, const void *b)
195{
196	const struct cgit_repo *r1 = a;
197	const struct cgit_repo *r2 = b;
198
199	return cmp(r1->desc, r2->desc);
200}
201
202static int sort_owner(const void *a, const void *b)
203{
204	const struct cgit_repo *r1 = a;
205	const struct cgit_repo *r2 = b;
206
207	return cmp(r1->owner, r2->owner);
208}
209
210static int sort_idle(const void *a, const void *b)
211{
212	const struct cgit_repo *r1 = a;
213	const struct cgit_repo *r2 = b;
214	time_t t1, t2;
215
216	t1 = t2 = 0;
217	get_repo_modtime(r1, &t1);
218	get_repo_modtime(r2, &t2);
219	return t2 - t1;
220}
221
222struct sortcolumn {
223	const char *name;
224	int (*fn)(const void *a, const void *b);
225};
226
227static const struct sortcolumn sortcolumn[] = {
228	{"section", sort_section},
229	{"name", sort_name},
230	{"desc", sort_desc},
231	{"owner", sort_owner},
232	{"idle", sort_idle},
233	{NULL, NULL}
234};
235
236static int sort_repolist(char *field)
237{
238	const struct sortcolumn *column;
239
240	for (column = &sortcolumn[0]; column->name; column++) {
241		if (strcmp(field, column->name))
242			continue;
243		qsort(cgit_repolist.repos, cgit_repolist.count,
244			sizeof(struct cgit_repo), column->fn);
245		return 1;
246	}
247	return 0;
248}
249
250
251void cgit_print_repolist(void)
252{
253	int i, columns = 3, hits = 0, header = 0;
254	char *last_section = NULL;
255	char *section;
256	int sorted = 0;
257
258	if (ctx.cfg.enable_index_links)
259		++columns;
260	if (ctx.cfg.enable_index_owner)
261		++columns;
262
263	ctx.page.title = ctx.cfg.root_title;
264	cgit_print_http_headers();
265	cgit_print_docstart();
266	cgit_print_pageheader();
267
268	if (ctx.cfg.index_header)
269		html_include(ctx.cfg.index_header);
270
271	if (ctx.qry.sort)
272		sorted = sort_repolist(ctx.qry.sort);
273	else if (ctx.cfg.section_sort)
274		sort_repolist("section");
275
276	html("<table summary='repository list' class='list nowrap'>");
277	for (i = 0; i < cgit_repolist.count; i++) {
278		ctx.repo = &cgit_repolist.repos[i];
279		if (ctx.repo->hide || ctx.repo->ignore)
280			continue;
281		if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
282			continue;
283		hits++;
284		if (hits <= ctx.qry.ofs)
285			continue;
286		if (hits > ctx.qry.ofs + ctx.cfg.max_repo_count)
287			continue;
288		if (!header++)
289			print_header();
290		section = ctx.repo->section;
291		if (section && !strcmp(section, ""))
292			section = NULL;
293		if (!sorted &&
294		    ((last_section == NULL && section != NULL) ||
295		    (last_section != NULL && section == NULL) ||
296		    (last_section != NULL && section != NULL &&
297		     strcmp(section, last_section)))) {
298			htmlf("<tr class='nohover'><td colspan='%d' class='reposection'>",
299			      columns);
300			html_txt(section);
301			html("</td></tr>");
302			last_section = section;
303		}
304		htmlf("<tr><td class='%s'>",
305		      !sorted && section ? "sublevel-repo" : "toplevel-repo");
306		cgit_summary_link(ctx.repo->name, ctx.repo->name, NULL, NULL);
307		html("</td><td>");
308		html_link_open(cgit_repourl(ctx.repo->url), NULL, NULL);
309		html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
310		html_link_close();
311		html("</td><td>");
312		if (ctx.cfg.enable_index_owner) {
313			if (ctx.repo->owner_filter) {
314				cgit_open_filter(ctx.repo->owner_filter);
315				html_txt(ctx.repo->owner);
316				cgit_close_filter(ctx.repo->owner_filter);
317			} else {
318				html("<a href='");
319				html_attr(cgit_currenturl());
320				html("?q=");
321				html_url_arg(ctx.repo->owner);
322				html("'>");
323				html_txt(ctx.repo->owner);
324				html("</a>");
325			}
326			html("</td><td>");
327		}
328		print_modtime(ctx.repo);
329		html("</td>");
330		if (ctx.cfg.enable_index_links) {
331			html("<td>");
332			cgit_summary_link("summary", NULL, "button", NULL);
333			cgit_log_link("log", NULL, "button", NULL, NULL, NULL,
334				      0, NULL, NULL, ctx.qry.showmsg, 0);
335			cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
336			html("</td>");
337		}
338		html("</tr>\n");
339	}
340	html("</table>");
341	if (!hits)
342		cgit_print_error("No repositories found");
343	else if (hits > ctx.cfg.max_repo_count)
344		print_pager(hits, ctx.cfg.max_repo_count, ctx.qry.search, ctx.qry.sort);
345	cgit_print_docend();
346}
347
348void cgit_print_site_readme(void)
349{
350	cgit_print_layout_start();
351	if (!ctx.cfg.root_readme)
352		goto done;
353	cgit_open_filter(ctx.cfg.about_filter, ctx.cfg.root_readme);
354	html_include(ctx.cfg.root_readme);
355	cgit_close_filter(ctx.cfg.about_filter);
356done:
357	cgit_print_layout_end();
358}