1 function addheading(carousel, colspan, content)
3 var thead = document.createElement("thead");
4 var tr = document.createElement("tr");
5 var th = document.createElement("th");
6 th.innerHTML = content;
7 th.setAttribute("colspan", colspan);
10 carousel.appendChild(thead);
12 function addtd(tr, className, content) {
13 var td = document.createElement("td");
14 td.appendChild(document.createTextNode(content));
15 td.className = className;
18 function addth(tr, className, content) {
19 var th = document.createElement("th");
20 th.appendChild(document.createTextNode(content));
21 th.className = className;
25 function subrank_partitions(games, parts, start_rank, tiebreakers) {
27 for (var i = 0; i < parts.length; ++i) {
28 var part = rank(games, parts[i], start_rank, tiebreakers);
29 for (var j = 0; j < part.length; ++j) {
32 start_rank += part.length;
37 function partition(teams, compare)
42 var curr_part = [teams[0]];
43 for (var i = 1; i < teams.length; ++i) {
44 if (compare(teams[i], curr_part[0]) != 0) {
45 parts.push(curr_part);
48 curr_part.push(teams[i]);
50 if (curr_part.length != 0) {
51 parts.push(curr_part);
56 function explain_tiebreaker(parts, rule_name)
59 for (var i = 0; i < parts.length; ++i) {
60 result.push(parts[i].map(function(x) { return x.shortname; }).join("/"));
62 return result.join(" > ") + " (" + rule_name + ")";
65 function make_teams_to_idx(teams)
67 var teams_to_idx = [];
68 for (var i = 0; i < teams.length; i++) {
69 teams_to_idx[teams[i].name] = i;
74 function partition_by_beat(games, teams)
76 // Head-to-head score by way of components. First construct the beat matrix.
78 var beat = new Array(n);
79 var teams_to_idx = make_teams_to_idx(teams);
80 for (var i = 0; i < n; i++) {
81 beat[i] = new Array(n);
82 for (var j = 0; j < n; j++) {
86 for (i = 0; i < games.length; ++i) {
87 var idx1 = teams_to_idx[games[i].name1];
88 var idx2 = teams_to_idx[games[i].name2];
89 if (idx1 !== undefined && idx2 !== undefined) {
90 if (games[i].score1 > games[i].score2) {
93 if (games[i].score1 < games[i].score2) {
98 // Floyd-Warshall for transitive closure.
99 for (var k = 0; k < n; ++k) {
100 for (var i = 0; i < n; ++i) {
101 for (var j = 0; j < n; ++j) {
102 if (beat[i][k] && beat[k][j]) {
109 // See if we can find any team that is comparable to all others.
110 for (var pivot_idx = 0; pivot_idx < n; pivot_idx++) {
111 var incomparable = false;
112 for (var i = 0; i < n; ++i) {
113 if (i != pivot_idx && beat[pivot_idx][i] == 0 && beat[i][pivot_idx] == 0) {
119 // Split the teams into three partitions:
120 var better_than_pivot = [], equal = [], worse_than_pivot = [];
121 for (var i = 0; i < n; ++i) {
122 var we_beat = (beat[pivot_idx][i] == 1);
123 var they_beat = (beat[i][pivot_idx] == 1);
124 if ((i == pivot_idx) || (we_beat && they_beat)) {
125 equal.push(teams[i]);
126 } else if (we_beat && !they_beat) {
127 worse_than_pivot.push(teams[i]);
128 } else if (they_beat && !we_beat) {
129 better_than_pivot.push(teams[i]);
131 console.log("this shouldn't happen");
135 if (better_than_pivot.length > 0) {
136 result = partition_by_beat(games, better_than_pivot);
138 result.push(equal); // Obviously can't be partitioned further.
139 if (worse_than_pivot.length > 0) {
140 result = result.concat(partition_by_beat(games, worse_than_pivot));
146 // No usable pivot was found, so the graph is inherently
147 // disconnected, and we cannot partition it.
151 // Takes in an array, gives every element a rank starting with 1, and returns.
152 function rank(games, teams, start_rank, tiebreakers) {
153 if (teams.length <= 1) {
154 // Only one team, so trivial.
155 teams[0].rank = start_rank;
159 // Rule #0: Partition the teams by score.
160 var score_parts = partition(teams, function(a, b) { return b.pts - a.pts });
161 if (score_parts.length > 1) {
162 return subrank_partitions(games, score_parts, start_rank, tiebreakers);
165 // Rule #1: Head-to-head wins.
166 var beat_parts = partition_by_beat(games, teams);
167 if (beat_parts.length > 1) {
168 tiebreakers.push(explain_tiebreaker(beat_parts, 'head-to-head'));
169 return subrank_partitions(games, beat_parts, start_rank, tiebreakers);
172 // Rule #2: Number of games played (fewer is better).
173 // Actually the rule says “fewest losses”, but fewer games is equivalent
174 // as long as teams have the same amount of points and ties don't exist.
175 var nplayed_parts = partition(teams, function(a, b) { return a.nplayed - b.nplayed });
176 if (nplayed_parts.length > 1) {
177 tiebreakers.push(explain_tiebreaker(nplayed_parts, 'fewer losses'));
178 return subrank_partitions(games, nplayed_parts, start_rank, tiebreakers);
181 // Rule #3: Head-to-head goal difference.
182 var teams_to_idx = make_teams_to_idx(teams);
183 for (var i = 0; i < teams.length; i++) {
185 teams[i].h2h_goals = 0;
187 for (i = 0; i < games.length; ++i) {
188 var idx1 = teams_to_idx[games[i].name1];
189 var idx2 = teams_to_idx[games[i].name2];
190 if (idx1 !== undefined && idx2 !== undefined &&
191 !isNaN(games[i].score1) && isNaN(games[i].score2)) {
192 teams[idx1].h2h_gd += games[i].score1;
193 teams[idx1].h2h_gd -= games[i].score2;
194 teams[idx2].h2h_gd += games[i].score2;
195 teams[idx2].h2h_gd -= games[i].score1;
197 teams[idx1].h2h_goals += games[i].score1;
198 teams[idx2].h2h_goals += games[i].score2;
201 var h2h_gd_parts = partition(teams, function(a, b) { return b.h2h_gd - a.h2h_gd });
202 if (h2h_gd_parts.length > 1) {
203 tiebreakers.push(explain_tiebreaker(h2h_gd_parts, 'head-to-head goal difference'));
204 return subrank_partitions(games, h2h_gd_parts, start_rank, tiebreakers);
207 // Rule #4: Global goal difference. (Well, not strictly, but good enough.)
208 var gd_parts = partition(teams, function(a, b) { return b.gd - a.gd });
209 if (gd_parts.length > 1) {
210 tiebreakers.push(explain_tiebreaker(gd_parts, 'overall goal difference'));
211 return subrank_partitions(games, gd_parts, start_rank, tiebreakers);
214 // Rule #5: Head-to-head scored goals.
215 var h2h_goals_parts = partition(teams, function(a, b) { return b.h2h_goals - a.h2h_goals });
216 if (h2h_goals_parts.length > 1) {
217 tiebreakers.push(explain_tiebreaker(h2h_goals_parts, 'head-to-head scored goals'));
218 return subrank_partitions(games, h2h_goals_parts, start_rank, tiebreakers);
221 // Rule #6: Overall scored goals. (Same caveat as #4.)
222 var goals_parts = partition(teams, function(a, b) { return b.goals - a.goals });
223 if (goals_parts.length > 1) {
224 tiebreakers.push(explain_tiebreaker(goals_parts, 'scored goals'));
225 return subrank_partitions(games, goals_parts, start_rank, tiebreakers);
228 // OK, it's a tie. Give them all the same rank.
230 for (var i = 0; i < teams.length; ++i) {
231 result.push(teams[i]);
232 result[i].rank = start_rank;
237 function parse_teams_from_spreadsheet(response) {
239 for (var i = 2; response.values[i].length >= 1; ++i) {
241 "name": response.values[i][0],
242 "mediumname": response.values[i][1],
243 "shortname": response.values[i][2],
244 "tags": response.values[i][3],
254 function parse_games_from_spreadsheet(response, group_name, include_unplayed) {
257 for (i = 0; i < response.values.length; ++i) {
258 if (response.values[i][0] === 'Results') {
264 for ( ; response.values[i] !== undefined && response.values[i].length >= 1; ++i) {
265 if ((response.values[i][2] && response.values[i][3]) || include_unplayed) {
266 var real_group_name = response.values[i][9];
267 if (real_group_name === undefined) {
268 real_group_name = group_name;
271 "name1": response.values[i][0],
272 "name2": response.values[i][1],
273 "score1": parseInt(response.values[i][2]),
274 "score2": parseInt(response.values[i][3]),
275 "streamday": response.values[i][7],
276 "streamtime": response.values[i][8],
277 "group_name": real_group_name
284 function display_group(response, group_name)
286 var teams = parse_teams_from_spreadsheet(response);
287 var games = parse_games_from_spreadsheet(response, group_name, false);
288 display_group_parsed(teams, games, group_name);
291 function display_group_parsed(teams, games, group_name)
293 document.getElementById('entire-bug').style.display = 'none';
295 var teams_to_idx = make_teams_to_idx(teams);
296 for (var i = 0; i < games.length; ++i) {
297 var idx1 = teams_to_idx[games[i].name1];
298 var idx2 = teams_to_idx[games[i].name2];
299 if (games[i].score1 === undefined || games[i].score2 === undefined ||
300 isNaN(games[i].score1) || isNaN(games[i].score2) ||
301 idx1 === undefined || idx2 === undefined ||
302 games[i].score1 == games[i].score2) {
305 ++teams[idx1].nplayed;
306 ++teams[idx2].nplayed;
307 teams[idx1].goals += games[i].score1;
308 teams[idx2].goals += games[i].score2;
309 teams[idx1].gd += games[i].score1;
310 teams[idx2].gd += games[i].score2;
311 teams[idx1].gd -= games[i].score2;
312 teams[idx2].gd -= games[i].score1;
313 if (games[i].score1 > games[i].score2) {
314 teams[idx1].pts += 2;
316 teams[idx2].pts += 2;
320 var tiebreakers = [];
321 teams = rank(games, teams, 1, tiebreakers);
323 var carousel = document.getElementById('carousel');
324 clear_carousel(carousel);
326 addheading(carousel, 5, "Current standings, Trøndisk 2017<br />" + group_name);
327 var tr = document.createElement("tr");
328 tr.className = "subfooter";
329 addth(tr, "rank", "");
330 addth(tr, "team", "");
331 addth(tr, "nplayed", "P");
332 addth(tr, "gd", "GD");
333 addth(tr, "pts", "Pts");
334 carousel.appendChild(tr);
337 for (i = 0; i < teams.length; ++i) {
338 var tr = document.createElement("tr");
340 addth(tr, "rank", teams[i].rank);
341 addtd(tr, "team", teams[i].name);
342 addtd(tr, "nplayed", teams[i].nplayed);
343 addtd(tr, "gd", teams[i].gd.toString().replace(/-/, '−'));
344 addtd(tr, "pts", teams[i].pts);
346 carousel.appendChild(tr);
349 if (tiebreakers.length > 0) {
350 var tie_tr = document.createElement("tr");
351 tie_tr.className = "footer";
352 var td = document.createElement("td");
353 td.appendChild(document.createTextNode("Tiebreaks applied: " + tiebreakers.join(', ')));
354 td.setAttribute("colspan", "5");
355 tie_tr.appendChild(td);
356 carousel.appendChild(tie_tr);
359 var footer_tr = document.createElement("tr");
360 footer_tr.className = "footer";
361 var td = document.createElement("td");
362 td.appendChild(document.createTextNode("www.trondheimfrisbeeklubb.no | #trøndisk"));
363 td.setAttribute("colspan", "5");
364 footer_tr.appendChild(td);
365 carousel.appendChild(footer_tr);
367 fade_in_rows(carousel);
369 carousel.style.display = 'table';
372 function fade_in_rows(table)
374 var trs = table.getElementsByTagName("tr");
375 for (var i = 1; i < trs.length; ++i) { // The header already has its own fade-in.
376 if (trs[i].className === "footer") {
377 trs[i].style = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
379 trs[i].style = "-webkit-animation: fade-in 2.0s ease; -webkit-animation-delay: " + (0.25 * i) + "s; -webkit-animation-fill-mode: both;";
384 function fade_out_rows(table)
386 var trs = table.getElementsByTagName("tr");
387 for (var i = 0; i < trs.length; ++i) {
388 if (trs[i].className === "footer") {
389 trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
391 trs[i].style = "-webkit-animation: fade-out 1.0s ease; -webkit-animation-delay: " + (0.125 * i) + "s; -webkit-animation-fill-mode: both;";
396 function clear_carousel(table)
398 while (table.childNodes.length > 0) {
399 table.removeChild(table.firstChild);
404 var max_list_len = 8;
406 function display_stream_schedule(response, group_name) {
407 var teams = parse_teams_from_spreadsheet(response);
408 var games = parse_games_from_spreadsheet(response, group_name, true);
409 display_stream_schedule_parsed(teams, games, 0);
412 function sort_game_list(games) {
413 games = games.filter(function(game) { return game.streamtime !== undefined && game.streamtime.match(/[0-9]+:[0-9]+/) != null; });
414 games.sort(function(a, b) {
415 if (a.streamday !== b.streamday) {
416 return a.streamday - b.streamday;
419 var m1 = a.streamtime.match(/([0-9]+):([0-9]+)/);
420 var m2 = b.streamtime.match(/([0-9]+):([0-9]+)/);
421 return (m1[1] * 60 + m1[2]) - (m2[1] * 60 + m2[2]);
426 function find_game_start_idx(games) {
427 // Pick out a reasonable place to start the list. We'll show the last
428 // completed match and start from there.
429 var start_idx = games.length - 1;
430 for (var i = 0; i < games.length; ++i) {
431 if (isNaN(games[i].score1) || isNaN(games[i].score2) &&
432 games[i].score1 === games[i].score2) {
437 if (start_idx > 0) start_idx--;
438 if (games.length >= max_list_len) {
439 start_idx = Math.min(start_idx, games.length - max_list_len);
444 function find_num_pages(games) {
445 games = sort_game_list(games);
446 var start_idx = find_game_start_idx(games);
447 return Math.ceil((games.length - start_idx) / max_list_len);
450 function display_stream_schedule_parsed(teams, games, page) {
451 document.getElementById('entire-bug').style.display = 'none';
453 games = sort_game_list(games);
454 var start_idx = find_game_start_idx(games);
456 start_idx += page * max_list_len;
457 if (start_idx >= games.length) {
462 var days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];
463 var shortdays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"];
464 var today = days[(new Date).getDay()];
466 var covered_days = [];
468 for (var i = start_idx; i < games.length && row_num++ < max_list_len; ++i) {
469 if (i == start_idx || games[i].streamday != games[i - 1].streamday) {
470 covered_days.push(days[games[i].streamday]);
474 var carousel = document.getElementById('carousel');
475 clear_carousel(carousel);
476 addheading(carousel, 3, "Stream schedule, Trøndisk 2017<br />" + covered_days.join('/'));
478 var teams_to_idx = make_teams_to_idx(teams);
480 for (i = start_idx; i < games.length && row_num < max_list_len; ++i) {
481 var tr = document.createElement("tr");
483 var name1 = teams[teams_to_idx[games[i].name1]].mediumname;
484 var name2 = teams[teams_to_idx[games[i].name2]].mediumname;
486 addtd(tr, "matchup", name1 + "–" + name2);
487 addtd(tr, "group", games[i].group_name);
489 if (!isNaN(games[i].score1) && !isNaN(games[i].score2) &&
490 games[i].score1 !== games[i].score2) {
491 addtd(tr, "streamtime", games[i].score1 + "–" + games[i].score2);
493 var streamtime = games[i].streamtime;
494 var streamday = days[games[i].streamday];
495 if (streamday !== today) {
496 streamtime = shortdays[games[i].streamday] + " " + streamtime;
498 addth(tr, "streamtime", streamtime);
502 carousel.appendChild(tr);
505 fade_in_rows(carousel);
507 carousel.style.display = 'table';
510 function get_group(group_name, cb)
512 var req = new XMLHttpRequest();
513 req.onload = function(e) {
514 cb(JSON.parse(req.responseText), group_name);
516 req.open('GET', 'https://sheets.googleapis.com/v4/spreadsheets/1CwRHQtpokVMGTPJu2FYYG-6rnG7OfISIcEHwBfXh-Y4/values/\'' + group_name + '\'!A1:J50?key=AIzaSyAuP9yQn8g0bSay6r_RpGtpFeIbwprH1TU');
520 function showgroup(group_name)
522 get_group(group_name, display_group);
525 function showgroup_from_state()
527 showgroup(state['group_name']);
530 var carousel_timeout = null;
534 fade_out_rows(document.getElementById('carousel'));
537 function showschedule(page)
543 var cb = function(response, group_name) {
544 teams = teams.concat(parse_teams_from_spreadsheet(response));
545 games = games.concat(parse_games_from_spreadsheet(response, group_name, true));
546 if (--num_left == 0) {
547 display_stream_schedule_parsed(teams, games, 0);
551 get_group('Group A', cb);
552 get_group('Group B', cb);
553 get_group('Playoffs', cb);
556 function do_series(series)
558 do_series_internal(series, 0);
561 function do_series_internal(series, idx)
564 if (idx + 1 < series.length) {
565 carousel_timeout = setTimeout(function() { do_series_internal(series, idx + 1); }, series[idx][0]);
569 function showcarousel()
571 var teams_per_group = [];
572 var games_per_group = [];
573 var combined_teams = [];
574 var combined_games = [];
577 var cb = function(response, group_name) {
578 var teams = parse_teams_from_spreadsheet(response);
579 var games = parse_games_from_spreadsheet(response, group_name, true);
580 teams_per_group[group_name] = teams;
581 games_per_group[group_name] = games;
583 combined_teams = combined_teams.concat(teams);
584 combined_games = combined_games.concat(games);
585 if (--num_left == 0) {
587 [ 13000, function() { display_group_parsed(teams_per_group['Group A'], games_per_group['Group A'], 'Group A'); } ],
588 [ 2000, function() { hidetable(); } ],
589 [ 13000, function() { display_group_parsed(teams_per_group['Group B'], games_per_group['Group B'], 'Group B'); } ],
590 [ 2000, function() { hidetable(); } ]
592 var num_pages = find_num_pages(combined_games);
593 for (let page = 0; page < num_pages; ++page) {
594 series.push([ 13000, function() { display_stream_schedule_parsed(combined_teams, combined_games, page); } ]);
595 series.push([ 2000, function() { hidetable(); } ]);
602 get_group('Group A', cb);
603 get_group('Group B', cb);
604 get_group('Playoffs', cb);
607 function stopcarousel()
609 if (carousel_timeout !== null) {
611 clearTimeout(carousel_timeout);
612 carousel_timeout = null;
616 function hidescorebug()
618 document.getElementById('entire-bug').style.display = 'none';
621 function showscorebug()
623 document.getElementById('entire-bug').style.display = null;