ui-stats.c: reuse cgit_add_hidden_formfields()

This makes sure that the currect branch and path is preserved when
changing the stats period or author count.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/ui-stats.c b/ui-stats.c
index 1104485..9fc06d3 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -193,219 +193,218 @@ static int cmp_total_commits(const void *a1, const void *a2)
         const struct authorstat *auth1 = i1->util;
         const struct authorstat *auth2 = i2->util;
 
         return auth2->total - auth1->total;
 }
 
 /* Walk the commit DAG and collect number of commits per author per
  * timeperiod into a nested string_list collection.
  */
 struct string_list collect_stats(struct cgit_context *ctx,
         struct cgit_period *period)
 {
         struct string_list authors;
         struct rev_info rev;
         struct commit *commit;
         const char *argv[] = {NULL, ctx->qry.head, NULL, NULL, NULL, NULL};
         int argc = 3;
         time_t now;
         long i;
         struct tm *tm;
         char tmp[11];
 
         time(&now);
         tm = gmtime(&now);
         period->trunc(tm);
         for (i = 1; i < period->count; i++)
                 period->dec(tm);
         strftime(tmp, sizeof(tmp), "%Y-%m-%d", tm);
         argv[2] = xstrdup(fmt("--since=%s", tmp));
         if (ctx->qry.path) {
                 argv[3] = "--";
                 argv[4] = ctx->qry.path;
                 argc += 2;
         }
         init_revisions(&rev, NULL);
         rev.abbrev = DEFAULT_ABBREV;
         rev.commit_format = CMIT_FMT_DEFAULT;
         rev.no_merges = 1;
         rev.verbose_header = 1;
         rev.show_root_diff = 0;
         setup_revisions(argc, argv, &rev, NULL);
         prepare_revision_walk(&rev);
         memset(&authors, 0, sizeof(authors));
         while ((commit = get_revision(&rev)) != NULL) {
                 add_commit(&authors, commit, period);
                 free(commit->buffer);
                 free_commit_list(commit->parents);
         }
         return authors;
 }
 
 void print_combined_authorrow(struct string_list *authors, int from, int to,
         const char *name, const char *leftclass, const char *centerclass,
         const char *rightclass, struct cgit_period *period)
 {
         struct string_list_item *author;
         struct authorstat *authorstat;
         struct string_list *items;
         struct string_list_item *date;
         time_t now;
         long i, j, total, subtotal;
         struct tm *tm;
         char *tmp;
 
         time(&now);
         tm = gmtime(&now);
         period->trunc(tm);
         for (i = 1; i < period->count; i++)
                 period->dec(tm);
 
         total = 0;
         htmlf("<tr><td class='%s'>%s</td>", leftclass,
                 fmt(name, to - from + 1));
         for (j = 0; j < period->count; j++) {
                 tmp = period->pretty(tm);
                 period->inc(tm);
                 subtotal = 0;
                 for (i = from; i <= to; i++) {
                         author = &authors->items[i];
                         authorstat = author->util;
                         items = &authorstat->list;
                         date = string_list_lookup(tmp, items);
                         if (date)
                                 subtotal += (size_t)date->util;
                 }
                 htmlf("<td class='%s'>%d</td>", centerclass, subtotal);
                 total += subtotal;
         }
         htmlf("<td class='%s'>%d</td></tr>", rightclass, total);
 }
 
 void print_authors(struct string_list *authors, int top,
                    struct cgit_period *period)
 {
         struct string_list_item *author;
         struct authorstat *authorstat;
         struct string_list *items;
         struct string_list_item *date;
         time_t now;
         long i, j, total;
         struct tm *tm;
         char *tmp;
 
         time(&now);
         tm = gmtime(&now);
         period->trunc(tm);
         for (i = 1; i < period->count; i++)
                 period->dec(tm);
 
         html("<table class='stats'><tr><th>Author</th>");
         for (j = 0; j < period->count; j++) {
                 tmp = period->pretty(tm);
                 htmlf("<th>%s</th>", tmp);
                 period->inc(tm);
         }
         html("<th>Total</th></tr>\n");
 
         if (top <= 0 || top > authors->nr)
                 top = authors->nr;
 
         for (i = 0; i < top; i++) {
                 author = &authors->items[i];
                 html("<tr><td class='left'>");
                 html_txt(author->string);
                 html("</td>");
                 authorstat = author->util;
                 items = &authorstat->list;
                 total = 0;
                 for (j = 0; j < period->count; j++)
                         period->dec(tm);
                 for (j = 0; j < period->count; j++) {
                         tmp = period->pretty(tm);
                         period->inc(tm);
                         date = string_list_lookup(tmp, items);
                         if (!date)
                                 html("<td>0</td>");
                         else {
                                 htmlf("<td>%d</td>", date->util);
                                 total += (size_t)date->util;
                         }
                 }
                 htmlf("<td class='sum'>%d</td></tr>", total);
         }
 
         if (top < authors->nr)
                 print_combined_authorrow(authors, top, authors->nr - 1,
                         "Others (%d)", "left", "", "sum", period);
 
         print_combined_authorrow(authors, 0, authors->nr - 1, "Total",
                 "total", "sum", "sum", period);
         html("</table>");
 }
 
 /* Create a sorted string_list with one entry per author. The util-field
  * for each author is another string_list which is used to calculate the
  * number of commits per time-interval.
  */
 void cgit_show_stats(struct cgit_context *ctx)
 {
         struct string_list authors;
         struct cgit_period *period;
         int top, i;
         const char *code = "w";
 
         if (ctx->qry.period)
                 code = ctx->qry.period;
 
         i = cgit_find_stats_period(code, &period);
         if (!i) {
                 cgit_print_error(fmt("Unknown statistics type: %c", code));
                 return;
         }
         if (i > ctx->repo->max_stats) {
                 cgit_print_error(fmt("Statistics type disabled: %s",
                                      period->name));
                 return;
         }
         authors = collect_stats(ctx, period);
         qsort(authors.items, authors.nr, sizeof(struct string_list_item),
                 cmp_total_commits);
 
         top = ctx->qry.ofs;
         if (!top)
                 top = 10;
         htmlf("<h2>Commits per author per %s", period->name);
         if (ctx->qry.path) {
                 html(" (path '");
                 html_txt(ctx->qry.path);
                 html("')");
         }
         html("</h2>");
 
-        html("<form method='get' action='.' style='float: right; text-align: right;'>");
-        if (strcmp(ctx->qry.head, ctx->repo->defbranch))
-                htmlf("<input type='hidden' name='h' value='%s'/>", ctx->qry.head);
+        html("<form method='get' action='' style='float: right; text-align: right;'>");
+        cgit_add_hidden_formfields(1, 0, "stats");
         if (ctx->repo->max_stats > 1) {
                 html("Period: ");
                 html("<select name='period' onchange='this.form.submit();'>");
                 for (i = 0; i < ctx->repo->max_stats; i++)
                         htmlf("<option value='%c'%s>%s</option>",
                                 periods[i].code,
                                 period == &periods[i] ? " selected" : "",
                                 periods[i].name);
                 html("</select><br/><br/>");
         }
         html("Authors: ");
         html("");
         html("<select name='ofs' onchange='this.form.submit();'>");
         htmlf("<option value='10'%s>10</option>", top == 10 ? " selected" : "");
         htmlf("<option value='25'%s>25</option>", top == 25 ? " selected" : "");
         htmlf("<option value='50'%s>50</option>", top == 50 ? " selected" : "");
         htmlf("<option value='100'%s>100</option>", top == 100 ? " selected" : "");
         htmlf("<option value='-1'%s>All</option>", top == -1 ? " selected" : "");
         html("</select>");
         html("<noscript>&nbsp;&nbsp;<input type='submit' value='Reload'/></noscript>");
         html("</form>");
         print_authors(&authors, top, period);
 }