1 addheading = function(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 addtd = function(tr, className, content) {
13 var td = document.createElement("td");
14 td.appendChild(document.createTextNode(content));
15 td.className = className;
18 addth = function(tr, className, content) {
19 var th = document.createElement("th");
20 th.appendChild(document.createTextNode(content));
21 th.className = className;
25 subrank_partitions = function(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 partition = function(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 explain_tiebreaker = function(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 make_teams_to_idx = function(teams)
67 var teams_to_idx = [];
68 for (var i = 0; i < teams.length; i++) {
69 teams_to_idx[teams[i].name] = i;
74 partition_by_beat = function(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 rank = function(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 teams[idx1].h2h_gd += games[i].score1;
192 teams[idx1].h2h_gd -= games[i].score2;
193 teams[idx2].h2h_gd += games[i].score2;
194 teams[idx2].h2h_gd -= games[i].score1;
196 teams[idx1].h2h_goals += games[i].score1;
197 teams[idx2].h2h_goals += games[i].score2;
200 var h2h_gd_parts = partition(teams, function(a, b) { return b.h2h_gd - a.h2h_gd });
201 if (h2h_gd_parts.length > 1) {
202 tiebreakers.push(explain_tiebreaker(h2h_gd_parts, 'head-to-head goal difference'));
203 return subrank_partitions(games, h2h_gd_parts, start_rank, tiebreakers);
206 // Rule #4: Global goal difference. (Well, not strictly, but good enough.)
207 var gd_parts = partition(teams, function(a, b) { return b.gd - a.gd });
208 if (gd_parts.length > 1) {
209 tiebreakers.push(explain_tiebreaker(gd_parts, 'overall goal difference'));
210 return subrank_partitions(games, gd_parts, start_rank, tiebreakers);
213 // Rule #5: Head-to-head scored goals.
214 var h2h_goals_parts = partition(teams, function(a, b) { return b.h2h_goals - a.h2h_goals });
215 if (h2h_goals_parts.length > 1) {
216 tiebreakers.push(explain_tiebreaker(h2h_goals_parts, 'head-to-head scored goals'));
217 return subrank_partitions(games, h2h_goals_parts, start_rank, tiebreakers);
220 // Rule #6: Overall scored goals. (Same caveat as #4.)
221 var goals_parts = partition(teams, function(a, b) { return b.goals - a.goals });
222 if (goals_parts.length > 1) {
223 tiebreakers.push(explain_tiebreaker(goals_parts, 'scored goals'));
224 return subrank_partitions(games, goals_parts, start_rank, tiebreakers);
227 // OK, it's a tie. Give them all the same rank.
229 for (var i = 0; i < teams.length; ++i) {
230 result.push(teams[i]);
231 result[i].rank = start_rank;
236 parse_teams_from_spreadsheet = function(response) {
238 for (var i = 2; response.values[i].length >= 1; ++i) {
240 "name": response.values[i][0],
241 "mediumname": response.values[i][1],
242 "shortname": response.values[i][2],
252 parse_games_from_spreadsheet = function(response, group_name, include_unplayed) {
254 for (var i = 12; response.values[i] !== undefined && response.values[i].length >= 1; ++i) {
255 if ((response.values[i][2] && response.values[i][3]) || include_unplayed) {
257 "name1": response.values[i][0],
258 "name2": response.values[i][1],
259 "score1": parseInt(response.values[i][2]),
260 "score2": parseInt(response.values[i][3]),
261 "streamtime": response.values[i][7],
262 "group_name": group_name
269 var display_group = function(response, group_name) {
270 var teams = parse_teams_from_spreadsheet(response);
271 var games = parse_games_from_spreadsheet(response, group_name, false);
273 var teams_to_idx = make_teams_to_idx(teams);
274 for (i = 0; i < games.length; ++i) {
275 var idx1 = teams_to_idx[games[i].name1];
276 var idx2 = teams_to_idx[games[i].name2];
277 if (games[i].score1 === undefined || games[i].score2 === undefined ||
278 idx1 === undefined || idx2 === undefined ||
279 games[i].score1 == games[i].score2) {
282 ++teams[idx1].nplayed;
283 ++teams[idx2].nplayed;
284 teams[idx1].goals += games[i].score1;
285 teams[idx2].goals += games[i].score2;
286 teams[idx1].gd += games[i].score1;
287 teams[idx2].gd += games[i].score2;
288 teams[idx1].gd -= games[i].score2;
289 teams[idx2].gd -= games[i].score1;
290 if (games[i].score1 > games[i].score2) {
291 teams[idx1].pts += 2;
293 teams[idx2].pts += 2;
298 teams = rank(games, teams, 1, tiebreakers);
300 var carousel = document.getElementById('carousel');
302 addheading(carousel, 5, "Current standings, TrønDisk 2017<br />" + group_name);
303 var tr = document.createElement("tr");
304 tr.className = "subfooter";
305 addth(tr, "rank", "");
306 addth(tr, "team", "");
307 addth(tr, "nplayed", "P");
308 addth(tr, "gd", "GD");
309 addth(tr, "pts", "Pts");
310 carousel.appendChild(tr);
313 for (i = 0; i < teams.length; ++i) {
314 var tr = document.createElement("tr");
316 addth(tr, "rank", teams[i].rank);
317 addtd(tr, "team", teams[i].name);
318 addtd(tr, "nplayed", teams[i].nplayed);
319 addtd(tr, "gd", teams[i].gd.toString().replace(/-/, '−'));
320 addtd(tr, "pts", teams[i].pts);
322 tr.style = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-delay: " + 0.25 * (row_num++) + "s; -webkit-animation-fill-mode: both;";
323 carousel.appendChild(tr);
326 if (tiebreakers.length > 0) {
327 var tie_tr = document.createElement("tr");
328 tie_tr.className = "footer";
329 tie_tr.style = "-webkit-animation: fade-in 2.0s ease; -webkit-animation-delay: " + 0.25 * (row_num++) + "s; -webkit-animation-fill-mode: both;";
330 var td = document.createElement("td");
331 td.appendChild(document.createTextNode("Tiebreaks applied: " + tiebreakers.join(', ')));
332 td.setAttribute("colspan", "5");
333 tie_tr.appendChild(td);
334 carousel.appendChild(tie_tr);
337 var footer_tr = document.createElement("tr");
338 footer_tr.className = "footer";
339 footer_tr.style = "-webkit-animation: fade-in 2.0s ease; -webkit-animation-delay: " + 0.25 * (row_num++) + "s; -webkit-animation-fill-mode: both;";
340 var td = document.createElement("td");
341 td.appendChild(document.createTextNode("www.trondheimfrisbeeklubb.no | #trøndisk"));
342 td.setAttribute("colspan", "5");
343 footer_tr.appendChild(td);
344 carousel.appendChild(footer_tr);
346 carousel.style.display = 'table';
350 var display_stream_schedule = function(response, group_name) {
351 var teams = parse_teams_from_spreadsheet(response);
352 var games = parse_games_from_spreadsheet(response, group_name, true);
353 display_stream_schedule_parsed(teams, games);
356 var display_stream_schedule_parsed = function(teams, games) {
357 var teams_to_idx = make_teams_to_idx(teams);
358 games = games.filter(function(game) { return game.streamtime !== undefined && game.streamtime.match(/[0-9]+:[0-9]+/) != null; });
359 games.sort(function(a, b) {
360 var m1 = a.streamtime.match(/([0-9]+):([0-9]+)/);
361 var m2 = b.streamtime.match(/([0-9]+):([0-9]+)/);
362 return (m1[1] * 60 + m1[2]) - (m2[1] * 60 + m2[2]);
365 // Pick out a reasonable place to start the list. We'll show the last
366 // completed match and start from there.
367 var max_list_len = 7;
368 var start_idx = games.length - 1;
369 for (var i = 0; i < games.length; ++i) {
370 if (isNaN(games[i].score1) || isNaN(games[i].score2) &&
371 games[i].score1 === games[i].score2) {
376 if (start_idx > 0) start_idx--;
377 if (games.length >= max_list_len) {
378 start_idx = Math.min(start_idx, games.length - max_list_len);
381 var carousel = document.getElementById('carousel');
382 addheading(carousel, 3, "Stream schedule, TrønDisk 2017<br />Saturday");
385 for (i = start_idx; i < games.length && row_num < max_list_len; ++i) {
386 var tr = document.createElement("tr");
388 var name1 = teams[teams_to_idx[games[i].name1]].mediumname;
389 var name2 = teams[teams_to_idx[games[i].name2]].mediumname;
391 addtd(tr, "matchup", name1 + "–" + name2);
392 addtd(tr, "group", games[i].group_name);
394 if (!isNaN(games[i].score1) && !isNaN(games[i].score2) &&
395 games[i].score1 !== games[i].score2) {
396 addtd(tr, "streamtime", games[i].score1 + "–" + games[i].score2);
398 addth(tr, "streamtime", games[i].streamtime);
401 tr.style = "-webkit-animation: fade-in 1.0s ease; -webkit-animation-delay: " + 0.25 * (row_num++) + "s; -webkit-animation-fill-mode: both;";
402 carousel.appendChild(tr);
405 carousel.style.display = 'table';
408 var get_group = function(group_name, cb)
410 var req = new XMLHttpRequest();
411 req.onload = function(e) {
412 cb(JSON.parse(req.responseText), group_name);
414 req.open('GET', 'https://sheets.googleapis.com/v4/spreadsheets/1CwRHQtpokVMGTPJu2FYYG-6rnG7OfISIcEHwBfXh-Y4/values/\'' + group_name + '\'!A1:H25?key=AIzaSyAuP9yQn8g0bSay6r_RpGtpFeIbwprH1TU');
418 //get_group('Group A', display_group);
419 //get_group('Group A', display_stream_schedule);
420 //get_group('Group A', function(response_a) {
421 // get_group('Group B', function(response_b) {
422 // var teams = parse_teams_from_spreadsheet(response_a);
423 // var games = parse_games_from_spreadsheet(response_a, 'Group A', true);
424 // teams = teams.concat(parse_teams_from_spreadsheet(response_b));
425 // games = games.concat(parse_games_from_spreadsheet(response_b, 'Group B', true));
426 // console.log(teams);
427 // console.log(games);
428 // display_stream_schedule_parsed(teams, games);