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#include "html.h"
 11
 12static int header;
 13
 14static int cmp_age(int age1, int age2)
 15{
 16	if (age1 != 0 && age2 != 0)
 17		return age2 - age1;
 18
 19	if (age1 == 0 && age2 == 0)
 20		return 0;
 21
 22	if (age1 == 0)
 23		return +1;
 24
 25	return -1;
 26}
 27
 28static int cmp_ref_name(const void *a, const void *b)
 29{
 30	struct refinfo *r1 = *(struct refinfo **)a;
 31	struct refinfo *r2 = *(struct refinfo **)b;
 32
 33	return strcmp(r1->refname, r2->refname);
 34}
 35
 36static int cmp_branch_age(const void *a, const void *b)
 37{
 38	struct refinfo *r1 = *(struct refinfo **)a;
 39	struct refinfo *r2 = *(struct refinfo **)b;
 40
 41	return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
 42}
 43
 44static int cmp_tag_age(const void *a, const void *b)
 45{
 46	struct refinfo *r1 = *(struct refinfo **)a;
 47	struct refinfo *r2 = *(struct refinfo **)b;
 48
 49	return cmp_age(r1->tag->tagger_date, r2->tag->tagger_date);
 50}
 51
 52static int print_branch(struct refinfo *ref)
 53{
 54	struct commitinfo *info = ref->commit;
 55	char *name = (char *)ref->refname;
 56
 57	if (!info)
 58		return 1;
 59	html("<tr><td>");
 60	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL);
 61	html("</td><td>");
 62
 63	if (ref->object->type == OBJ_COMMIT) {
 64		cgit_print_age(info->commit->date, -1, NULL);
 65		html("</td><td>");
 66		html_txt(info->author);
 67		html("</td><td>");
 68		cgit_commit_link(info->subject, NULL, NULL, name, NULL);
 69	} else {
 70		html("</td><td></td><td>");
 71		cgit_object_link(ref->object);
 72	}
 73	html("</td></tr>\n");
 74	return 0;
 75}
 76
 77static void print_tag_header()
 78{
 79	html("<tr class='nohover'><th class='left'>Tag</th>"
 80	     "<th class='left'>Age</th>"
 81	     "<th class='left'>Author</th>"
 82	     "<th class='left'>Reference</th></tr>\n");
 83	header = 1;
 84}
 85
 86static int print_tag(struct refinfo *ref)
 87{
 88	struct tag *tag;
 89	struct taginfo *info;
 90	char *url, *name = (char *)ref->refname;
 91
 92	if (ref->object->type == OBJ_TAG) {
 93		tag = (struct tag *)ref->object;
 94		info = ref->tag;
 95		if (!tag || !info)
 96			return 1;
 97		html("<tr><td>");
 98		url = cgit_pageurl(ctx.qry.repo, "tag",
 99				   fmt("id=%s", name));
100		html_link_open(url, NULL, NULL);
101		html_txt(name);
102		html_link_close();
103		html("</td><td>");
104		if (info->tagger_date > 0)
105			cgit_print_age(info->tagger_date, -1, NULL);
106		html("</td><td>");
107		if (info->tagger)
108			html(info->tagger);
109		html("</td><td>");
110		cgit_object_link(tag->tagged);
111		html("</td></tr>\n");
112	} else {
113		if (!header)
114			print_tag_header();
115		html("<tr><td>");
116		html_txt(name);
117		html("</td><td colspan='2'/><td>");
118		cgit_object_link(ref->object);
119		html("</td></tr>\n");
120	}
121	return 0;
122}
123
124static void print_refs_link(char *path)
125{
126	html("<tr class='nohover'><td colspan='4'>");
127	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
128	html("</td></tr>");
129}
130
131void cgit_print_branches(int maxcount)
132{
133	struct reflist list;
134	int i;
135
136	html("<tr class='nohover'><th class='left'>Branch</th>"
137	     "<th class='left'>Idle</th>"
138	     "<th class='left'>Author</th>"
139	     "<th class='left'>Head commit</th></tr>\n");
140
141	list.refs = NULL;
142	list.alloc = list.count = 0;
143	for_each_branch_ref(cgit_refs_cb, &list);
144
145	if (maxcount == 0 || maxcount > list.count)
146		maxcount = list.count;
147
148	if (maxcount < list.count) {
149		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
150		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
151	}
152
153	for(i=0; i<maxcount; i++)
154		print_branch(list.refs[i]);
155
156	if (maxcount < list.count)
157		print_refs_link("heads");
158}
159
160void cgit_print_tags(int maxcount)
161{
162	struct reflist list;
163	int i;
164
165	header = 0;
166	list.refs = NULL;
167	list.alloc = list.count = 0;
168	for_each_tag_ref(cgit_refs_cb, &list);
169	if (list.count == 0)
170		return;
171	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
172	if (!maxcount)
173		maxcount = list.count;
174	else if (maxcount > list.count)
175		maxcount = list.count;
176	print_tag_header();
177	for(i=0; i<maxcount; i++)
178		print_tag(list.refs[i]);
179
180	if (maxcount < list.count)
181		print_refs_link("tags");
182}
183
184void cgit_print_summary()
185{
186	if (ctx.repo->readme) {
187		html("<div id='summary'>");
188		html_include(ctx.repo->readme);
189		html("</div>");
190	}
191	if (ctx.cfg.summary_log > 0)
192		cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
193			       NULL, NULL, 0);
194	html("<table summary='repository info' class='list nowrap'>");
195	if (ctx.cfg.summary_log > 0)
196		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
197	cgit_print_branches(ctx.cfg.summary_branches);
198	html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
199	cgit_print_tags(ctx.cfg.summary_tags);
200	html("</table>");
201}