diff options
Diffstat (limited to 'www/git.causal.agency/cgit/ui-stats.c')
| -rw-r--r-- | www/git.causal.agency/cgit/ui-stats.c | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/www/git.causal.agency/cgit/ui-stats.c b/www/git.causal.agency/cgit/ui-stats.c new file mode 100644 index 00000000..09b3625e --- /dev/null +++ b/www/git.causal.agency/cgit/ui-stats.c @@ -0,0 +1,426 @@ +#include "cgit.h" +#include "ui-stats.h" +#include "html.h" +#include "ui-shared.h" + +struct authorstat { + long total; + struct string_list list; +}; + +#define DAY_SECS (60 * 60 * 24) +#define WEEK_SECS (DAY_SECS * 7) + +static void trunc_week(struct tm *tm) +{ + time_t t = timegm(tm); + t -= ((tm->tm_wday + 6) % 7) * DAY_SECS; + gmtime_r(&t, tm); +} + +static void dec_week(struct tm *tm) +{ + time_t t = timegm(tm); + t -= WEEK_SECS; + gmtime_r(&t, tm); +} + +static void inc_week(struct tm *tm) +{ + time_t t = timegm(tm); + t += WEEK_SECS; + gmtime_r(&t, tm); +} + +static char *pretty_week(struct tm *tm) +{ + static char buf[10]; + + strftime(buf, sizeof(buf), "W%V %G", tm); + return buf; +} + +static void trunc_month(struct tm *tm) +{ + tm->tm_mday = 1; +} + +static void dec_month(struct tm *tm) +{ + tm->tm_mon--; + if (tm->tm_mon < 0) { + tm->tm_year--; + tm->tm_mon = 11; + } +} + +static void inc_month(struct tm *tm) +{ + tm->tm_mon++; + if (tm->tm_mon > 11) { + tm->tm_year++; + tm->tm_mon = 0; + } +} + +static char *pretty_month(struct tm *tm) +{ + static const char *months[] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }; + return fmt("%s %d", months[tm->tm_mon], tm->tm_year + 1900); +} + +static void trunc_quarter(struct tm *tm) +{ + trunc_month(tm); + while (tm->tm_mon % 3 != 0) + dec_month(tm); +} + +static void dec_quarter(struct tm *tm) +{ + dec_month(tm); + dec_month(tm); + dec_month(tm); +} + +static void inc_quarter(struct tm *tm) +{ + inc_month(tm); + inc_month(tm); + inc_month(tm); +} + +static char *pretty_quarter(struct tm *tm) +{ + return fmt("Q%d %d", tm->tm_mon / 3 + 1, tm->tm_year + 1900); +} + +static void trunc_year(struct tm *tm) +{ + trunc_month(tm); + tm->tm_mon = 0; +} + +static void dec_year(struct tm *tm) +{ + tm->tm_year--; +} + +static void inc_year(struct tm *tm) +{ + tm->tm_year++; +} + +static char *pretty_year(struct tm *tm) +{ + return fmt("%d", tm->tm_year + 1900); +} + +static const struct cgit_period periods[] = { + {'w', "week", 12, 4, trunc_week, dec_week, inc_week, pretty_week}, + {'m', "month", 12, 4, trunc_month, dec_month, inc_month, pretty_month}, + {'q', "quarter", 12, 4, trunc_quarter, dec_quarter, inc_quarter, pretty_quarter}, + {'y', "year", 12, 4, trunc_year, dec_year, inc_year, pretty_year}, +}; + +/* Given a period code or name, return a period index (1, 2, 3 or 4) + * and update the period pointer to the correcsponding struct. + * If no matching code is found, return 0. + */ +int cgit_find_stats_period(const char *expr, const struct cgit_period **period) +{ + int i; + char code = '\0'; + + if (!expr) + return 0; + + if (strlen(expr) == 1) + code = expr[0]; + + for (i = 0; i < sizeof(periods) / sizeof(periods[0]); i++) + if (periods[i].code == code || !strcmp(periods[i].name, expr)) { + if (period) + *period = &periods[i]; + return i + 1; + } + return 0; +} + +const char *cgit_find_stats_periodname(int idx) +{ + if (idx > 0 && idx < 4) + return periods[idx - 1].name; + else + return ""; +} + +static void add_commit(struct string_list *authors, struct commit *commit, + const struct cgit_period *period) +{ + struct commitinfo *info; + struct string_list_item *author, *item; + struct authorstat *authorstat; + struct string_list *items; + char *tmp; + struct tm date; + time_t t; + uintptr_t *counter; + + info = cgit_parse_commit(commit); + tmp = xstrdup(info->author); + author = string_list_insert(authors, tmp); + if (!author->util) + author->util = xcalloc(1, sizeof(struct authorstat)); + else + free(tmp); + authorstat = author->util; + items = &authorstat->list; + t = info->committer_date; + gmtime_r(&t, &date); + period->trunc(&date); + tmp = xstrdup(period->pretty(&date)); + item = string_list_insert(items, tmp); + counter = (uintptr_t *)&item->util; + if (*counter) + free(tmp); + (*counter)++; + + 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. + */ +static struct string_list collect_stats(const 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); + gmtime_r(&now, &tm); + 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.max_parents = 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(the_repository->parsed_objects, commit); + free_commit_list(commit->parents); + commit->parents = NULL; + } + return authors; +} + +static void print_combined_authorrow(struct string_list *authors, int from, + int to, const char *name, + const char *leftclass, + const char *centerclass, + const char *rightclass, + const 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); + gmtime_r(&now, &tm); + 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(items, tmp); + if (date) + subtotal += (uintptr_t)date->util; + } + htmlf("<td class='%s'>%ld</td>", centerclass, subtotal); + total += subtotal; + } + htmlf("<td class='%s'>%ld</td></tr>", rightclass, total); +} + +static void print_authors(struct string_list *authors, int top, + const 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); + gmtime_r(&now, &tm); + 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(items, tmp); + if (!date) + html("<td>0</td>"); + else { + htmlf("<td>%lu</td>", (uintptr_t)date->util); + total += (uintptr_t)date->util; + } + } + htmlf("<td class='sum'>%ld</td></tr>", total); + } + + if (top < authors->nr) + print_combined_authorrow(authors, top, authors->nr - 1, + "Others (%ld)", "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(void) +{ + struct string_list authors; + const 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_page(404, "Not found", + "Unknown statistics type: %c", code[0]); + return; + } + if (i > ctx.repo->max_stats) { + cgit_print_error_page(400, "Bad request", + "Statistics type disabled: %s", period->name); + return; + } + authors = collect_stats(period); + qsort(authors.items, authors.nr, sizeof(struct string_list_item), + cmp_total_commits); + + top = ctx.qry.ofs; + if (!top) + top = 10; + + cgit_print_layout_start(); + html("<div class='cgit-panel'>"); + html("<b>stat options</b>"); + html("<form method='get'>"); + cgit_add_hidden_formfields(1, 0, "stats"); + html("<table><tr><td colspan='2'/></tr>"); + if (ctx.repo->max_stats > 1) { + html("<tr><td class='label'>Period:</td>"); + html("<td class='ctrl'><select name='period' onchange='this.form.submit();'>"); + for (i = 0; i < ctx.repo->max_stats; i++) + html_option(fmt("%c", periods[i].code), + periods[i].name, fmt("%c", period->code)); + html("</select></td></tr>"); + } + html("<tr><td class='label'>Authors:</td>"); + html("<td class='ctrl'><select name='ofs' onchange='this.form.submit();'>"); + html_intoption(10, "10", top); + html_intoption(25, "25", top); + html_intoption(50, "50", top); + html_intoption(100, "100", top); + html_intoption(-1, "all", top); + html("</select></td></tr>"); + html("<tr><td/><td class='ctrl'>"); + html("<noscript><input type='submit' value='Reload'/></noscript>"); + html("</td></tr></table>"); + html("</form>"); + html("</div>"); + htmlf("<h2>Commits per author per %s", period->name); + if (ctx.qry.path) { + html(" (path '"); + html_txt(ctx.qry.path); + html("')"); + } + html("</h2>"); + print_authors(&authors, top, period); + cgit_print_layout_end(); +} + |