ui-stats: enable path-filtered stats

When a path is specified on the querystring the commit statistics will
now be filtered by this path.

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

1 files changed, 15 insertions, 3 deletions

diff --git a/ui-stats.c b/ui-stats.c
index 9150840..3cc8d70 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -174,68 +174,74 @@ static void add_commit(struct string_list *authors, struct commit *commit,
         item->util++;
         authorstat->total++;
         cgit_free_commitinfo(info);
 }
 
 static int cmp_total_commits(const void *a1, const void *a2)
 {
         const struct string_list_item *i1 = a1;
         const struct string_list_item *i2 = 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 Period *period)
 {
         struct string_list authors;
         struct rev_info rev;
         struct commit *commit;
-        const char *argv[] = {NULL, ctx->qry.head, NULL, NULL};
+        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(3, argv, &rev, NULL);
+        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 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);
@@ -330,49 +336,55 @@ void print_authors(struct string_list *authors, int top, struct Period *period)
  * 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 Period *period;
         int top, i;
 
         period = &periods[0];
         if (ctx->qry.period) {
                 for (i = 0; i < sizeof(periods) / sizeof(periods[0]); i++)
                         if (periods[i].code == ctx->qry.period[0]) {
                                 period = &periods[i];
                                 break;
                         }
         }
         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</h2>", period->name);
+        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("Period: ");
         html("<select name='period' onchange='this.form.submit();'>");
         for (i = 0; i < sizeof(periods) / sizeof(periods[0]); 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);