From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Mon, 24 Jul 2023 11:01:54 +0000 (+0200)
Subject: Make it possible to filter by gender ratio.
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=0f81e726fbab591d82854facc447cbbb69b59e77;p=pkanalytics

Make it possible to filter by gender ratio.
---

diff --git a/ultimate.js b/ultimate.js
index c0ca1ba..f70426d 100644
--- a/ultimate.js
+++ b/ultimate.js
@@ -175,6 +175,7 @@ function process_matches(json, filters) {
 	for (const player of json['players']) {
 		players[player['player_id']] = {
 			'name': player['name'],
+			'gender': player['gender'],
 			'number': player['number'],
 
 			'goals': 0,
@@ -1102,6 +1103,7 @@ function open_filter_menu() {
 	add_menu_item(menu, 3, 'formation_offense', 'Offense played (any)');
 	add_menu_item(menu, 4, 'formation_defense', 'Defense played (any)');
 	add_menu_item(menu, 5, 'starting_on', 'Starting on');
+	add_menu_item(menu, 6, 'gender_ratio', 'Gender ratio');
 }
 
 function add_menu_item(menu, menu_idx, filter_type, title) {
@@ -1119,6 +1121,42 @@ function add_menu_item(menu, menu_idx, filter_type, title) {
 	item.addEventListener('click', (e) => { show_submenu(menu_idx, null, filter_type); });
 }
 
+function find_all_ratios(json)
+{
+	let ratios = {};
+	let players = {};
+	for (const player of json['players']) {
+		players[player['player_id']] = {
+			'gender': player['gender'],
+			'last_point_seen': null,
+		};
+	}
+	for (const match of json['matches']) {
+		for (const [q,p] of Object.entries(players)) {
+			p.on_field_since = null;
+		}
+		for (const e of match['events']) {
+			let p = players[e['player']];
+			let type = e['type'];
+			if (type === 'in') {
+				p.on_field_since = 1;
+			} else if (type === 'out') {
+				p.on_field_since = null;
+			} else if (type === 'pull' || type == 'their_pull') {  // We assume no cross-gender subs for now.
+				let code = find_gender_ratio_code(players);
+				if (ratios[code] === undefined) {
+					ratios[code] = code;
+					if (code !== '4 F, 3 M' && code !== '4 M, 3 F' && code !== '3 M, 2 F' && code !== '3 F, 2 M') {
+						console.log('Unexpected gender ratio ' + code + ' first seen at: ' +
+						            match['description'] + ', ' + format_time(e['t']));
+					}
+				}
+			}
+		}
+	}
+	return ratios;
+}
+
 function show_submenu(menu_idx, pill, filter_type) {
 	let submenu = document.getElementById('filter-submenu');
 	let subitems = [];
@@ -1174,6 +1212,13 @@ function show_submenu(menu_idx, pill, filter_type) {
 			'title': 'Defense',
 			'id': true,  // last_pull_was_ours
 		});
+	} else if (filter_type === 'gender_ratio') {
+		for (const [title, id] of Object.entries(find_all_ratios(global_json)).sort()) {
+			choices.push({
+				'title': title,
+				'id': id,
+			});
+		}
 	}
 
 	for (const choice of choices) {
@@ -1355,6 +1400,17 @@ function make_filter_pill(filter) {
 		} else {
 			text += 'Defense';
 		}
+	} else if (filter.type === 'gender_ratio') {
+		text = 'Gender: ';
+
+		let first = true;
+		for (const name of Array.from(filter.elements).sort()) {
+			if (!first) {
+				text += '; ';
+			}
+			text += name;
+			first = false;
+		}
 	}
 
 	let text_node = document.createElement('span');
@@ -1461,6 +1517,46 @@ function keep_match(match_id, filters) {
 	return true;
 }
 
+function find_gender_ratio_code(players) {
+	let map = {};
+	for (const [q,p] of Object.entries(players)) {
+		if (p.on_field_since === null) {
+			continue;
+		}
+		let gender = p.gender;
+		if (gender === '' || gender === undefined || gender === null) {
+			gender = '?';
+		}
+		if (map[gender] === undefined) {
+			map[gender] = 1;
+q		} else {
+			++map[gender];
+		}
+	}
+	let all_genders = Array.from(Object.keys(map)).sort(
+		(a,b) => {
+			if (map[a] !== map[b]) {
+				return map[b] - map[a];  // Reverse numeric.
+			} else if (a < b) {
+				return -1;
+			} else if (a > b) {
+				return 1;
+			} else {
+				return 0;
+			}
+		});
+	let code = '';
+	for (const g of all_genders) {
+		if (code !== '') {
+			code += ', ';
+		}
+		code += map[g];
+		code += ' ';
+		code += g;
+	}
+	return code;
+}
+
 function filter_passes(players, formations_used_this_point, last_pull_was_ours, filter) {
 	if (filter.type === 'player_any') {
 		for (const p of Array.from(filter.elements)) {
@@ -1485,6 +1581,8 @@ function filter_passes(players, formations_used_this_point, last_pull_was_ours,
 		return false;
 	} else if (filter.type === 'starting_on') {
 		return filter.elements.has(last_pull_was_ours);
+	} else if (filter.type === 'gender_ratio') {
+		return filter.elements.has(find_gender_ratio_code(players));
 	}
 	return true;
 }