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
 62	if (ref->object->type == OBJ_COMMIT) {
 63		cgit_print_age(info->commit->date, -1, NULL);
 64		html("</td><td>");
 65		html_txt(info->author);
 66		html("</td><td>");
 67		cgit_commit_link(info->subject, NULL, NULL, name, NULL);
 68	} else {
 69		html("</td><td></td><td>");
 70		cgit_object_link(ref->object);
 71	}
 72	html("</td></tr>\n");
 73	return 0;
 74}
 75
 76static void print_tag_header()
 77{
 78	html("<tr class='nohover'><th class='left'>Tag</th>"
 79	     "<th class='left'>Age</th>"
 80	     "<th class='left'>Author</th>"
 81	     "<th class='left'>Reference</th></tr>\n");
 82	header = 1;
 83}
 84
 85static int print_tag(struct refinfo *ref)
 86{
 87	struct tag *tag;
 88	struct taginfo *info;
 89	char *url, *name = (char *)ref->refname;
 90
 91	if (ref->object->type == OBJ_TAG) {
 92		tag = (struct tag *)ref->object;
 93		info = ref->tag;
 94		if (!tag || !info)
 95			return 1;
 96		html("<tr><td>");
 97		url = cgit_pageurl(cgit_query_repo, "tag",
 98				   fmt("id=%s", name));
 99		html_link_open(url, NULL, NULL);
100		html_txt(name);
101		html_link_close();
102		html("</td><td>");
103		if (info->tagger_date > 0)
104			cgit_print_age(info->tagger_date, -1, NULL);
105		html("</td><td>");
106		if (info->tagger)
107			html(info->tagger);
108		html("</td><td>");
109		cgit_object_link(tag->tagged);
110		html("</td></tr>\n");
111	} else {
112		if (!header)
113			print_tag_header();
114		html("<tr><td>");
115		html_txt(name);
116		html("</td><td colspan='2'/><td>");
117		cgit_object_link(ref->object);
118		html("</td></tr>\n");
119	}
120	return 0;
121}
122
123static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
124				 int flags, void *cb_data)
125{
126	struct tag *tag;
127	struct taginfo *info;
128	struct object *obj;
129	char buf[256], *url;
130	unsigned char fileid[20];
131
132	if (prefixcmp(refname, "refs/archives"))
133		return 0;
134	strncpy(buf, refname+14, sizeof(buf));
135	obj = parse_object(sha1);
136	if (!obj)
137		return 1;
138	if (obj->type == OBJ_TAG) {
139		tag = lookup_tag(sha1);
140		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
141			return 0;
142		hashcpy(fileid, tag->tagged->sha1);
143	} else if (obj->type != OBJ_BLOB) {
144		return 0;
145	} else {
146		hashcpy(fileid, sha1);
147	}
148	if (!header) {
149		html("<table id='downloads'>");
150		html("<tr><th>Downloads</th></tr>");
151		header = 1;
152	}
153	html("<tr><td>");
154	url = cgit_pageurl(cgit_query_repo, "blob",
155			   fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
156			       buf));
157	html_link_open(url, NULL, NULL);
158	html_txt(buf);
159	html_link_close();
160	html("</td></tr>");
161	return 0;
162}
163
164static void print_refs_link(char *path)
165{
166	html("<tr class='nohover'><td colspan='4'>");
167	cgit_refs_link("[...]", NULL, NULL, cgit_query_head, NULL, path);
168	html("</td></tr>");
169}
170
171void cgit_print_branches(int maxcount)
172{
173	struct reflist list;
174	int i;
175
176	html("<tr class='nohover'><th class='left'>Branch</th>"
177	     "<th class='left'>Idle</th>"
178	     "<th class='left'>Author</th>"
179	     "<th class='left'>Head commit</th></tr>\n");
180
181	list.refs = NULL;
182	list.alloc = list.count = 0;
183	for_each_branch_ref(cgit_refs_cb, &list);
184
185	if (maxcount == 0 || maxcount > list.count)
186		maxcount = list.count;
187
188	if (maxcount < list.count) {
189		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
190		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
191	}
192
193	for(i=0; i<maxcount; i++)
194		print_branch(list.refs[i]);
195
196	if (maxcount < list.count)
197		print_refs_link("heads");
198}
199
200void cgit_print_tags(int maxcount)
201{
202	struct reflist list;
203	int i;
204
205	header = 0;
206	list.refs = NULL;
207	list.alloc = list.count = 0;
208	for_each_tag_ref(cgit_refs_cb, &list);
209	if (list.count == 0)
210		return;
211	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
212	if (!maxcount)
213		maxcount = list.count;
214	else if (maxcount > list.count)
215		maxcount = list.count;
216	print_tag_header();
217	for(i=0; i<maxcount; i++)
218		print_tag(list.refs[i]);
219
220	if (maxcount < list.count)
221		print_refs_link("tags");
222}
223
224static void cgit_print_archives()
225{
226	header = 0;
227	for_each_ref(cgit_print_archive_cb, NULL);
228	if (header)
229		html("</table>");
230}
231
232void cgit_print_summary()
233{
234	html("<div id='summary'>");
235	cgit_print_archives();
236	html("<h2>");
237	html_txt(cgit_repo->name);
238	html(" - ");
239	html_txt(cgit_repo->desc);
240	html("</h2>");
241	if (cgit_repo->readme)
242		html_include(cgit_repo->readme);
243	html("</div>");
244	if (cgit_summary_log > 0)
245		cgit_print_log(cgit_query_head, 0, cgit_summary_log, NULL, NULL, NULL, 0);
246	html("<table class='list nowrap'>");
247	if (cgit_summary_log > 0)
248		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
249	cgit_print_branches(cgit_summary_branches);
250	html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
251	cgit_print_tags(cgit_summary_tags);
252	html("</table>");
253}