1/* ui-summary.c: functions for generating repo summary 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 "cgit.h"
 10
 11static int header;
 12
 13static int cmp_age(int age1, int age2)
 14{
 15	if (age1 != 0 && age2 != 0)
 16		return age2 - age1;
 17
 18	if (age1 == 0 && age2 == 0)
 19		return 0;
 20
 21	if (age1 == 0)
 22		return +1;
 23
 24	return -1;
 25}
 26
 27static int cmp_ref_name(const void *a, const void *b)
 28{
 29	struct refinfo *r1 = *(struct refinfo **)a;
 30	struct refinfo *r2 = *(struct refinfo **)b;
 31
 32	return strcmp(r1->refname, r2->refname);
 33}
 34
 35static int cmp_branch_age(const void *a, const void *b)
 36{
 37	struct refinfo *r1 = *(struct refinfo **)a;
 38	struct refinfo *r2 = *(struct refinfo **)b;
 39
 40	return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
 41}
 42
 43static int cmp_tag_age(const void *a, const void *b)
 44{
 45	struct refinfo *r1 = *(struct refinfo **)a;
 46	struct refinfo *r2 = *(struct refinfo **)b;
 47
 48	return cmp_age(r1->tag->tagger_date, r2->tag->tagger_date);
 49}
 50
 51static int print_branch(struct refinfo *ref)
 52{
 53	struct commitinfo *info = ref->commit;
 54	char *name = (char *)ref->refname;
 55
 56	if (!info)
 57		return 1;
 58	html("<tr><td>");
 59	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0);
 60	html("</td><td>");
 61	cgit_print_age(info->commit->date, -1, NULL);
 62	html("</td><td>");
 63	html_txt(info->author);
 64	html("</td><td>");
 65	cgit_commit_link(info->subject, NULL, NULL, name, NULL);
 66	html("</td></tr>\n");
 67	return 0;
 68}
 69
 70static void print_tag_header()
 71{
 72	html("<tr class='nohover'><th class='left'>Tag</th>"
 73	     "<th class='left'>Age</th>"
 74	     "<th class='left'>Author</th>"
 75	     "<th class='left'>Reference</th></tr>\n");
 76	header = 1;
 77}
 78
 79static int print_tag(struct refinfo *ref)
 80{
 81	struct tag *tag;
 82	struct taginfo *info;
 83	char *url, *name = (char *)ref->refname;
 84
 85	if (ref->object->type == OBJ_TAG) {
 86		tag = (struct tag *)ref->object;
 87		info = ref->tag;
 88		if (!tag || !info)
 89			return 1;
 90		html("<tr><td>");
 91		url = cgit_pageurl(cgit_query_repo, "tag",
 92				   fmt("id=%s", name));
 93		html_link_open(url, NULL, NULL);
 94		html_txt(name);
 95		html_link_close();
 96		html("</td><td>");
 97		if (info->tagger_date > 0)
 98			cgit_print_age(info->tagger_date, -1, NULL);
 99		html("</td><td>");
100		if (info->tagger)
101			html(info->tagger);
102		html("</td><td>");
103		cgit_object_link(tag->tagged);
104		html("</td></tr>\n");
105	} else {
106		if (!header)
107			print_tag_header();
108		html("<tr><td>");
109		html_txt(name);
110		html("</td><td colspan='2'/><td>");
111		cgit_object_link(ref->object);
112		html("</td></tr>\n");
113	}
114	return 0;
115}
116
117static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
118				 int flags, void *cb_data)
119{
120	struct tag *tag;
121	struct taginfo *info;
122	struct object *obj;
123	char buf[256], *url;
124	unsigned char fileid[20];
125
126	if (prefixcmp(refname, "refs/archives"))
127		return 0;
128	strncpy(buf, refname+14, sizeof(buf));
129	obj = parse_object(sha1);
130	if (!obj)
131		return 1;
132	if (obj->type == OBJ_TAG) {
133		tag = lookup_tag(sha1);
134		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
135			return 0;
136		hashcpy(fileid, tag->tagged->sha1);
137	} else if (obj->type != OBJ_BLOB) {
138		return 0;
139	} else {
140		hashcpy(fileid, sha1);
141	}
142	if (!header) {
143		html("<table id='downloads'>");
144		html("<tr><th>Downloads</th></tr>");
145		header = 1;
146	}
147	html("<tr><td>");
148	url = cgit_pageurl(cgit_query_repo, "blob",
149			   fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
150			       buf));
151	html_link_open(url, NULL, NULL);
152	html_txt(buf);
153	html_link_close();
154	html("</td></tr>");
155	return 0;
156}
157
158static void print_refs_link(char *path)
159{
160	html("<tr class='nohover'><td colspan='4'>");
161	cgit_refs_link("[...]", NULL, NULL, cgit_query_head, NULL, path);
162	html("</td></tr>");
163}
164
165void cgit_print_branches(int maxcount)
166{
167	struct reflist list;
168	int i;
169
170	html("<tr class='nohover'><th class='left'>Branch</th>"
171	     "<th class='left'>Idle</th>"
172	     "<th class='left'>Author</th>"
173	     "<th class='left'>Head commit</th></tr>\n");
174
175	list.refs = NULL;
176	list.alloc = list.count = 0;
177	for_each_branch_ref(cgit_refs_cb, &list);
178
179	if (maxcount == 0 || maxcount > list.count)
180		maxcount = list.count;
181
182	if (maxcount < list.count) {
183		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
184		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
185	}
186
187	for(i=0; i<maxcount; i++)
188		print_branch(list.refs[i]);
189
190	if (maxcount < list.count)
191		print_refs_link("heads");
192}
193
194void cgit_print_tags(int maxcount)
195{
196	struct reflist list;
197	int i;
198
199	header = 0;
200	list.refs = NULL;
201	list.alloc = list.count = 0;
202	for_each_tag_ref(cgit_refs_cb, &list);
203	if (list.count == 0)
204		return;
205	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
206	if (!maxcount)
207		maxcount = list.count;
208	else if (maxcount > list.count)
209		maxcount = list.count;
210	print_tag_header();
211	for(i=0; i<maxcount; i++)
212		print_tag(list.refs[i]);
213
214	if (maxcount < list.count)
215		print_refs_link("tags");
216}
217
218static void cgit_print_archives()
219{
220	header = 0;
221	for_each_ref(cgit_print_archive_cb, NULL);
222	if (header)
223		html("</table>");
224}
225
226void cgit_print_summary()
227{
228	html("<div id='summary'>");
229	cgit_print_archives();
230	html("<h2>");
231	html_txt(cgit_repo->name);
232	html(" - ");
233	html_txt(cgit_repo->desc);
234	html("</h2>");
235	if (cgit_repo->readme)
236		html_include(cgit_repo->readme);
237	html("</div>");
238	if (cgit_summary_log > 0)
239		cgit_print_log(cgit_query_head, 0, cgit_summary_log, NULL, NULL, 0);
240	html("<table class='list nowrap'>");
241	if (cgit_summary_log > 0)
242		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
243	cgit_print_branches(cgit_summary_branches);
244	html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
245	cgit_print_tags(cgit_summary_tags);
246	html("</table>");
247}