413 lines
15 KiB
PHP
Executable File
413 lines
15 KiB
PHP
Executable File
<?php
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include('inc/check_login.php');
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require_once('inc/db.php');
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// Gesamtanzahl abgeschlossener Treffen (nur zur Info)
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$total_meetings = 0;
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$result_total_meetings = mysqli_query($conn, "SELECT COUNT(*) AS total FROM meetings WHERE is_completed = 1");
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if ($row = mysqli_fetch_assoc($result_total_meetings)) {
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$total_meetings = (int)$row['total'];
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}
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// Statistik: Farbhäufigkeit
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$color_stats = [];
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$sql_colors = "
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SELECT c.name, c.hex_code, COUNT(m.id) AS meeting_count
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FROM meetings m
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JOIN colors c ON m.color_id = c.id
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WHERE m.is_completed = 1
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GROUP BY c.name, c.hex_code
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ORDER BY meeting_count DESC
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";
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$result = mysqli_query($conn, $sql_colors);
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while ($row = mysqli_fetch_assoc($result)) {
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$color_stats[] = $row;
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}
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// TEILNAHME: Sortiert nach Prozent, mit Prozentwert
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$participation_stats = [];
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$participation_percentages = [];
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$participation_registered = [];
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$participation_attended = [];
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$sql_participation = "
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SELECT
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u.username,
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COUNT(*) AS registered_completed,
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SUM(CASE WHEN mt.attended = 1 THEN 1 ELSE 0 END) AS total_attendance,
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ROUND(
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(SUM(CASE WHEN mt.attended = 1 THEN 1 ELSE 0 END) / COUNT(*)) * 100,
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1
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) AS percentage
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FROM meeting_teilnehmer mt
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JOIN meetings m ON mt.meeting_id = m.id AND m.is_completed = 1
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JOIN users u ON mt.user_id = u.id
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GROUP BY u.id, u.username
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ORDER BY percentage DESC, u.username ASC
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";
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$result = mysqli_query($conn, $sql_participation);
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while ($row = mysqli_fetch_assoc($result)) {
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$registered = (int)$row['registered_completed'];
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$attended = (int)$row['total_attendance'];
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$percentage = (float)$row['percentage'];
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$participation_stats[] = [
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'username' => $row['username'],
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'total_attendance' => $attended,
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'registered_meetings' => $registered,
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'percentage' => $percentage
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];
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$participation_percentages[] = $percentage;
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$participation_registered[] = $registered;
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$participation_attended[] = $attended;
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}
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// Globale Durchschnitte (unverändert)
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$avg_attendance = 0;
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$sql_avg_attendance = "
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SELECT AVG(attended_count) AS avg_attended
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FROM (
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SELECT COUNT(mt.user_id) AS attended_count
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FROM meeting_teilnehmer mt
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JOIN meetings m ON mt.meeting_id = m.id
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WHERE mt.attended = 1 AND m.is_completed = 1
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GROUP BY mt.meeting_id
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) AS subquery";
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$result_avg = mysqli_query($conn, $sql_avg_attendance);
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if ($row = mysqli_fetch_assoc($result_avg)) {
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$avg_attendance = round($row['avg_attended'], 2);
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}
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$avg_wore_color = 0;
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$sql_avg_wore_color = "
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SELECT AVG(wore_color_count) AS avg_wore_color
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FROM (
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SELECT COUNT(mt.user_id) AS wore_color_count
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FROM meeting_teilnehmer mt
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JOIN meetings m ON mt.meeting_id = m.id
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WHERE mt.wore_color = 1 AND m.is_completed = 1
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GROUP BY mt.meeting_id
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) AS subquery";
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$result_avg_wore = mysqli_query($conn, $sql_avg_wore_color);
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if ($row = mysqli_fetch_assoc($result_avg_wore)) {
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$avg_wore_color = round($row['avg_wore_color'], 2);
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}
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// FARBE GETRAGEN: Sortiert nach Prozent, mit Prozentwert
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$wore_color_stats = [];
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$wore_color_percentages = [];
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$wore_color_attended = [];
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$wore_color_count = [];
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$sql_wore_color = "
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SELECT
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u.username,
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SUM(CASE WHEN mt.attended = 1 THEN 1 ELSE 0 END) AS total_attendance,
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SUM(CASE WHEN mt.wore_color = 1 THEN 1 ELSE 0 END) AS wore_color_count,
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CASE
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WHEN SUM(CASE WHEN mt.attended = 1 THEN 1 ELSE 0 END) > 0 THEN
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ROUND(
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(SUM(CASE WHEN mt.wore_color = 1 THEN 1 ELSE 0 END) /
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SUM(CASE WHEN mt.attended = 1 THEN 1 ELSE 0 END)) * 100,
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1
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)
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ELSE 0.0
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END AS percentage
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FROM meeting_teilnehmer mt
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JOIN meetings m ON mt.meeting_id = m.id AND m.is_completed = 1
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JOIN users u ON mt.user_id = u.id
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GROUP BY u.id, u.username
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ORDER BY percentage DESC, u.username ASC
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";
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$result_wore = mysqli_query($conn, $sql_wore_color);
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while ($row = mysqli_fetch_assoc($result_wore)) {
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$attended = (int)$row['total_attendance'];
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$wore = (int)$row['wore_color_count'];
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$percentage = (float)$row['percentage'];
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$wore_color_stats[] = [
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'username' => $row['username'],
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'wore_color_count' => $wore,
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'total_attendance' => $attended,
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'percentage' => $percentage
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];
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$wore_color_percentages[] = $percentage;
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$wore_color_attended[] = $attended;
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$wore_color_count[] = $wore;
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}
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// Verschiebungsvorschläge (unverändert)
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$reschedule_stats = [];
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$sql_reschedule = "
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SELECT u.username, COUNT(p.id) AS reschedule_count
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FROM meeting_reschedule_proposals p
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JOIN users u ON p.proposed_by_user_id = u.id
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GROUP BY u.username
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ORDER BY reschedule_count DESC, u.username ASC
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";
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$result_reschedule = mysqli_query($conn, $sql_reschedule);
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while ($row = mysqli_fetch_assoc($result_reschedule)) {
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$reschedule_stats[] = $row;
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}
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require_once 'inc/header.php';
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?>
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<div class="container mt-5">
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<h2 class="mb-4">Statistiken & Ranking</h2>
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<div class="card shadow mb-4">
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<div class="card-header bg-primary-subtle text-secondary">
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<h4 class="mb-0">Gesamt-Statistiken</h4>
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</div>
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<div class="card-body">
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<div class="row justify-content-center">
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<div class="col-lg-6">
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<h5 class="card-title text-center">Häufigkeit der gewählten Farben</h5>
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<canvas id="colorChart" class="mb-4"></canvas>
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</div>
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<hr class="d-lg-none my-4">
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<div class="col-lg-6">
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<h5 class="card-title text-center">Teilnahme-Ranking</h5>
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<p class="text-center text-muted mt-2 mb-3">
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Insgesamt <?= $total_meetings ?> abgeschlossene Treffen.<br>
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Durchschnittliche Anwesenheit je Treffen: <strong><?= htmlspecialchars($avg_attendance) ?></strong>
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</p>
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<div style="height: 40vh;">
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<canvas id="participationChart"></canvas>
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</div>
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</div>
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</div>
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<hr class="my-4">
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<div class="row justify-content-center">
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<div class="col-lg-6">
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<h5 class="card-title text-center">Ranking - Farbe getragen</h5>
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<p class="text-center text-muted mt-2 mb-3">
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Durchschnittliche korrekte Farbe je Treffen: <strong><?= htmlspecialchars($avg_wore_color) ?></strong>
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</p>
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<div style="height: 40vh;">
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<canvas id="woreColorChart"></canvas>
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</div>
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</div>
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</div>
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<hr class="my-4">
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<div class="row justify-content-center">
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<div class="col-lg-6">
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<h5 class="card-title text-center">Ranking - Verschiebungsvorschläge</h5>
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<p class="text-center text-muted mt-2 mb-3">
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Wer schlägt am häufigsten eine Terminverschiebung vor?
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</p>
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<div style="height: 40vh;">
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<canvas id="rescheduleChart"></canvas>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
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<script>
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document.addEventListener('DOMContentLoaded', function() {
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// Farben (unverändert)
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new Chart(document.getElementById('colorChart'), {
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type: 'pie',
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data: {
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labels: <?= json_encode(array_column($color_stats, 'name')) ?>,
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datasets: [{
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label: 'Anzahl Treffen',
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data: <?= json_encode(array_column($color_stats, 'meeting_count')) ?>,
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backgroundColor: <?= json_encode(array_column($color_stats, 'hex_code')) ?>,
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borderColor: 'rgba(0,0,0,0.1)',
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borderWidth: 1
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}]
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},
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options: {
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responsive: true,
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plugins: {
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legend: {
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position: 'top'
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},
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title: {
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display: true,
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text: 'Verteilung der Farbwahl'
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}
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}
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}
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});
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// Teilnahme: Mit Prozentwerten (0–100%), sortiert nach Prozent
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new Chart(document.getElementById('participationChart'), {
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type: 'bar',
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data: {
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labels: <?= json_encode(array_column($participation_stats, 'username')) ?>,
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datasets: [{
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label: 'Teilnahmequote (%)',
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data: <?= json_encode($participation_percentages) ?>,
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backgroundColor: 'rgba(54,162,235,0.8)',
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borderColor: 'rgb(54,162,235)',
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borderWidth: 1
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}]
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},
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options: {
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indexAxis: 'y',
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responsive: true,
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maintainAspectRatio: false,
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plugins: {
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legend: {
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display: false
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},
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title: {
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display: true,
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text: 'Teilnahmequote (nur abgeschlossene Treffen mit Eintrag)'
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},
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tooltip: {
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callbacks: {
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label: function(ctx) {
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const pct = ctx.raw;
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const attended = <?= json_encode($participation_attended) ?>[ctx.dataIndex] || 0;
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const reg = <?= json_encode($participation_registered) ?>[ctx.dataIndex] || 0;
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return `${attended} von ${reg} (${pct}%)`;
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}
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}
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}
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},
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scales: {
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x: {
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beginAtZero: true,
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max: 100,
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ticks: {
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callback: function(value) {
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return value + '%';
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}
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}
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},
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y: {
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ticks: {
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font: {
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size: 10
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},
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callback: function(v) {
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const l = this.getLabelForValue(v);
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return l.length > 15 ? l.substring(0, 15) + '...' : l;
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}
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}
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}
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}
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}
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});
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// Farbe getragen: Mit Prozentwerten (0–100%)
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new Chart(document.getElementById('woreColorChart'), {
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type: 'bar',
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data: {
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labels: <?= json_encode(array_column($wore_color_stats, 'username')) ?>,
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datasets: [{
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label: 'Farbenquote (%)',
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data: <?= json_encode($wore_color_percentages) ?>,
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backgroundColor: 'rgba(75,192,192,0.8)',
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borderColor: 'rgb(75,192,192)',
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borderWidth: 1
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}]
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},
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options: {
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indexAxis: 'y',
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responsive: true,
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maintainAspectRatio: false,
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plugins: {
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legend: {
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display: false
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},
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title: {
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display: true,
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text: 'Farbenquote (nur bei Teilnahme)'
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},
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tooltip: {
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callbacks: {
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label: function(ctx) {
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const pct = ctx.raw;
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const wore = <?= json_encode($wore_color_count) ?>[ctx.dataIndex] || 0;
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const att = <?= json_encode($wore_color_attended) ?>[ctx.dataIndex] || 0;
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return `${wore} von ${att} Teilnahmen (${pct}%)`;
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}
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}
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}
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},
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scales: {
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x: {
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beginAtZero: true,
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max: 100,
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ticks: {
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callback: function(value) {
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return value + '%';
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}
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}
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},
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y: {
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ticks: {
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font: {
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size: 10
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},
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callback: function(v) {
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const l = this.getLabelForValue(v);
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return l.length > 15 ? l.substring(0, 15) + '...' : l;
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}
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}
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}
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}
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}
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});
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// Verschiebungsvorschläge (unverändert – ABER mit korrekter Syntax!)
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new Chart(document.getElementById('rescheduleChart'), {
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type: 'bar',
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data: {
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labels: <?= json_encode(array_column($reschedule_stats, 'username')) ?>,
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datasets: [{
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label: 'Vorschläge',
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data: <?= json_encode(array_column($reschedule_stats, 'reschedule_count')) ?>,
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backgroundColor: 'rgba(255,159,64,0.8)',
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borderColor: 'rgb(255,159,64)',
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borderWidth: 1
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}]
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},
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options: {
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indexAxis: 'y',
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responsive: true,
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maintainAspectRatio: false,
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plugins: {
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legend: {
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display: false
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},
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title: {
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display: true,
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text: 'Verschiebungsvorschläge'
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}
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},
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scales: {
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x: {
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beginAtZero: true,
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ticks: {
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stepSize: 1
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}
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},
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y: {
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ticks: {
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font: {
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size: 10
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},
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callback: function(v) {
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const l = this.getLabelForValue(v);
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return l.length > 15 ? l.substring(0, 15) + '...' : l;
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}
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}
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}
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}
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}
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});
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});
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</script>
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<?php include('inc/footer.php'); ?>
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