stats: move layout into page function

This also allows us to return proper HTTP error codes for invalid
requests.

Signed-off-by: John Keeping <john@keeping.me.uk>

2 files changed, 7 insertions, 3 deletions

diff --git a/cmd.c b/cmd.c
index ce66af9..4f8e71d 100644
--- a/cmd.c
+++ b/cmd.c
@@ -169,7 +169,7 @@ struct cgit_cmd *cgit_get_cmd(void)
                 def_cmd(refs, 1, 0, 0, 0),
                 def_cmd(repolist, 0, 0, 0, 0),
                 def_cmd(snapshot, 1, 0, 0, 0),
-                def_cmd(stats, 1, 1, 1, 0),
+                def_cmd(stats, 1, 0, 1, 0),
                 def_cmd(summary, 1, 1, 0, 0),
                 def_cmd(tag, 1, 1, 0, 0),
                 def_cmd(tree, 1, 1, 1, 0),
diff --git a/ui-stats.c b/ui-stats.c
index 9cd8247..74ce0f7 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -372,11 +372,13 @@ void cgit_show_stats(void)
 
         i = cgit_find_stats_period(code, &period);
         if (!i) {
-                cgit_print_error("Unknown statistics type: %c", code[0]);
+                cgit_print_error_page(404, "Not found",
+                        "Unknown statistics type: %c", code[0]);
                 return;
         }
         if (i > ctx.repo->max_stats) {
-                cgit_print_error("Statistics type disabled: %s", period->name);
+                cgit_print_error_page(400, "Bad request",
+                        "Statistics type disabled: %s", period->name);
                 return;
         }
         authors = collect_stats(period);
@@ -387,6 +389,7 @@ void cgit_show_stats(void)
         if (!top)
                 top = 10;
 
+        cgit_print_layout_start();
         html("<div class='cgit-panel'>");
         html("<b>stat options</b>");
         html("<form method='get' action=''>");
@@ -421,5 +424,6 @@ void cgit_show_stats(void)
         }
         html("</h2>");
         print_authors(&authors, top, period);
+        cgit_print_layout_end();
 }