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2026-03-05 15:31:40 +01:00
parent 4de35c7d58
commit 776bff4347
3 changed files with 370 additions and 0 deletions
@@ -0,0 +1,370 @@
+<?php
+declare(strict_types=1);
+include "functions.php";
+include "header.php";
+include "headerline.php";
+include "nav.php";
+
+
+?>
+
+<!-- Banner -->
+	<section id="banner">
+		<div class="content">
+
+<?php
+
+if(checkKaffeelisteAccess($conn, $mailadress)){
+
+	echo "<h2>Kaffeeliste</h2>";
+	echo "Hallo " . getUserName($conn,$mailadress) . "!<br><br>";
+
+
+// Annahme: $conn ist bereits vorhanden (sqlsrv_connect in deiner Infrastruktur)
+if (!isset($conn)) {
+    die("DB Verbindung (\$conn) fehlt.");
+}
+
+function h($s): string {
+    return htmlspecialchars((string)$s, ENT_QUOTES, 'UTF-8');
+}
+
+/**
+ * OPTIONAL: Admin-Schutz via Basic Auth (auskommentieren, wenn nicht gewünscht)
+ */
+/*
+$ADMIN_USER = 'admin';
+$ADMIN_PASS = 'changeme';
+if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW'])
+    || $_SERVER['PHP_AUTH_USER'] !== $ADMIN_USER || $_SERVER['PHP_AUTH_PW'] !== $ADMIN_PASS) {
+    header('WWW-Authenticate: Basic realm="Umfrage Admin"');
+    header('HTTP/1.0 401 Unauthorized');
+    echo "Unauthorized";
+    exit;
+}
+*/
+
+$drinks = [
+    'espresso' => 'Espresso',
+    'crema' => 'Café Crema',
+    'cappuccino' => 'Cappuccino',
+    'latte' => 'Latte Macchiato',
+    'americano' => 'Americano',
+    'decaf' => 'Entkoffeiniert',
+    'other' => 'Andere',
+];
+
+$problems = [
+    'forget' => 'Vergesse Eintrag',
+    'empty' => 'Kaffee leer',
+    'water' => 'Wasser auffüllen',
+    'too_little' => 'zu wenig Kaffeeausgabe',
+    'too_much' => 'zu viel Kaffeeausgabe',
+    'none' => 'Kein Problem',
+    'other' => 'Sonstiges',
+];
+
+$improvements = [
+    'easier_entry' => 'Einfacherer Eintrag',
+    'overview' => 'Übersicht über Kosten/Verbrauch',
+    'more_mails' => 'Mehr Info-Mails',
+    'adjust_amount' => 'Menge der Kaffeeausgabe anpassen',
+    'other' => 'Sonstiges',
+];
+
+// Helper: SQL scalar
+function sql_scalar($conn, string $sql, array $params = []) {
+    $stmt = sqlsrv_query($conn, $sql, $params);
+    if ($stmt === false) return null;
+    $row = sqlsrv_fetch_array($stmt, SQLSRV_FETCH_NUMERIC);
+    return $row ? $row[0] : null;
+}
+
+// Helper: SQL all rows
+function sql_all($conn, string $sql, array $params = []): array {
+    $stmt = sqlsrv_query($conn, $sql, $params);
+    if ($stmt === false) return [];
+    $rows = [];
+    while ($r = sqlsrv_fetch_array($stmt, SQLSRV_FETCH_ASSOC)) {
+        $rows[] = $r;
+    }
+    return $rows;
+}
+
+$errors = [];
+$totalResponses = (int)(sql_scalar($conn, "SELECT COUNT(*) FROM dbo.CoffeeSurveyResponses") ?? 0);
+$totalVotedEmails = (int)(sql_scalar($conn, "SELECT COUNT(*) FROM dbo.CoffeeSurveyVotedEmails") ?? 0);
+
+// Skalen-Auswertung (Avg + Count pro Wert 1..5)
+function scale_stats($conn, string $col): array {
+    $sql = "
+        SELECT
+          AVG(CAST([$col] AS FLOAT)) AS avgVal,
+          SUM(CASE WHEN [$col] = 1 THEN 1 ELSE 0 END) AS c1,
+          SUM(CASE WHEN [$col] = 2 THEN 1 ELSE 0 END) AS c2,
+          SUM(CASE WHEN [$col] = 3 THEN 1 ELSE 0 END) AS c3,
+          SUM(CASE WHEN [$col] = 4 THEN 1 ELSE 0 END) AS c4,
+          SUM(CASE WHEN [$col] = 5 THEN 1 ELSE 0 END) AS c5
+        FROM dbo.CoffeeSurveyResponses
+    ";
+    $rows = sql_all($conn, $sql);
+    if (!$rows) return ['avg'=>null,'c'=>[0,0,0,0,0]];
+    $r = $rows[0];
+    return [
+        'avg' => $r['avgVal'] !== null ? (float)$r['avgVal'] : null,
+        'c' => [(int)$r['c1'], (int)$r['c2'], (int)$r['c3'], (int)$r['c4'], (int)$r['c5']]
+    ];
+}
+
+$q1 = scale_stats($conn, 'Q1_ListEase');
+$q2 = scale_stats($conn, 'Q2_ListSatisfaction');
+$q3 = scale_stats($conn, 'Q3_CoffeeQuality');
+$q4 = scale_stats($conn, 'Q4_WebsiteSatisfaction');
+
+// Problem (Q7) Gruppiert
+$q7Rows = sql_all($conn, "
+    SELECT Q7_ListProblem AS keyVal, COUNT(*) AS cnt
+    FROM dbo.CoffeeSurveyResponses
+    GROUP BY Q7_ListProblem
+    ORDER BY cnt DESC
+");
+
+// CSV-Felder + Freitext sammeln (limit)
+$limit = 500; // genug für Auswertung, falls riesig: erhöhen oder paginieren
+$dataRows = sql_all($conn, "
+    SELECT TOP ($limit)
+      CreatedAt,
+      Q5_Drinks, Q5_DrinksOther,
+      Q6_NewVarieties,
+      Q8_Improvements, Q8_ImprovementsOther,
+      Q9_BetterIdeas
+    FROM dbo.CoffeeSurveyResponses
+    ORDER BY CreatedAt DESC
+");
+
+// Aggregation in PHP für Mehrfachauswahl
+$drinkCounts = array_fill_keys(array_keys($drinks), 0);
+$drinkOtherTexts = [];
+
+$impCounts = array_fill_keys(array_keys($improvements), 0);
+$impOtherTexts = [];
+
+$newVarietiesTexts = [];
+$betterIdeasTexts = [];
+
+foreach ($dataRows as $r) {
+    // Q5 drinks CSV
+    $csv = trim((string)($r['Q5_Drinks'] ?? ''));
+    if ($csv !== '') {
+        $parts = array_filter(array_map('trim', explode(',', $csv)));
+        foreach ($parts as $p) {
+            if (array_key_exists($p, $drinkCounts)) $drinkCounts[$p]++;
+        }
+    }
+    $ot = trim((string)($r['Q5_DrinksOther'] ?? ''));
+    if ($ot !== '') $drinkOtherTexts[] = $ot;
+
+    // Q8 improvements CSV
+    $csv2 = trim((string)($r['Q8_Improvements'] ?? ''));
+    if ($csv2 !== '') {
+        $parts2 = array_filter(array_map('trim', explode(',', $csv2)));
+        foreach ($parts2 as $p2) {
+            if (array_key_exists($p2, $impCounts)) $impCounts[$p2]++;
+        }
+    }
+    $ot2 = trim((string)($r['Q8_ImprovementsOther'] ?? ''));
+    if ($ot2 !== '') $impOtherTexts[] = $ot2;
+
+    // Q6 / Q9 Freitext
+    $t6 = trim((string)($r['Q6_NewVarieties'] ?? ''));
+    if ($t6 !== '') $newVarietiesTexts[] = $t6;
+
+    $t9 = trim((string)($r['Q9_BetterIdeas'] ?? ''));
+    if ($t9 !== '') $betterIdeasTexts[] = $t9;
+}
+
+// Hilfsfunktion Prozent
+function pct(int $n, int $total): string {
+    if ($total <= 0) return "0%";
+    return round(($n / $total) * 100, 1) . "%";
+}
+
+?>
+
+<h1>Umfrage – Ergebnisse</h1>
+<p class="muted">
+  Antworten: <b><?php echo (int)$totalResponses; ?></b>
+  
+  <?php if ($limit && $totalResponses > $limit): ?>
+    &nbsp;|&nbsp; Auswertung basiert auf den letzten <?php echo (int)$limit; ?> Antworten
+  <?php endif; ?>
+</p>
+
+<div class="grid">
+  <div class="box">
+    <h3>1) Kaffeeliste benutzen (1 sehr einfach … 5 sehr schwierig)</h3>
+    <p class="small">Durchschnitt: <b><?php echo $q1['avg'] !== null ? number_format($q1['avg'], 2, ',', '.') : '-'; ?></b></p>
+    <table>
+      <tr><th>Wert</th><th>Anzahl</th><th>Anteil</th></tr>
+      <?php for ($i=1;$i<=5;$i++): ?>
+        <tr>
+          <td><?php echo $i; ?></td>
+          <td><?php echo $q1['c'][$i-1]; ?></td>
+          <td><?php echo pct($q1['c'][$i-1], $totalResponses); ?></td>
+        </tr>
+      <?php endfor; ?>
+    </table>
+  </div>
+
+  <div class="box">
+    <h3>2) Zufriedenheit Kaffeeliste (1 sehr zufrieden … 5 sehr unzufrieden)</h3>
+    <p class="small">Durchschnitt: <b><?php echo $q2['avg'] !== null ? number_format($q2['avg'], 2, ',', '.') : '-'; ?></b></p>
+    <table>
+      <tr><th>Wert</th><th>Anzahl</th><th>Anteil</th></tr>
+      <?php for ($i=1;$i<=5;$i++): ?>
+        <tr>
+          <td><?php echo $i; ?></td>
+          <td><?php echo $q2['c'][$i-1]; ?></td>
+          <td><?php echo pct($q2['c'][$i-1], $totalResponses); ?></td>
+        </tr>
+      <?php endfor; ?>
+    </table>
+  </div>
+
+  <div class="box">
+    <h3>3) Zufriedenheit Kaffeequalität (1 sehr zufrieden … 5 sehr unzufrieden)</h3>
+    <p class="small">Durchschnitt: <b><?php echo $q3['avg'] !== null ? number_format($q3['avg'], 2, ',', '.') : '-'; ?></b></p>
+    <table>
+      <tr><th>Wert</th><th>Anzahl</th><th>Anteil</th></tr>
+      <?php for ($i=1;$i<=5;$i++): ?>
+        <tr>
+          <td><?php echo $i; ?></td>
+          <td><?php echo $q3['c'][$i-1]; ?></td>
+          <td><?php echo pct($q3['c'][$i-1], $totalResponses); ?></td>
+        </tr>
+      <?php endfor; ?>
+    </table>
+  </div>
+
+  <div class="box">
+    <h3>4) Zufriedenheit Webseite (1 sehr zufrieden … 5 sehr unzufrieden)</h3>
+    <p class="small">Durchschnitt: <b><?php echo $q4['avg'] !== null ? number_format($q4['avg'], 2, ',', '.') : '-'; ?></b></p>
+    <table>
+      <tr><th>Wert</th><th>Anzahl</th><th>Anteil</th></tr>
+      <?php for ($i=1;$i<=5;$i++): ?>
+        <tr>
+          <td><?php echo $i; ?></td>
+          <td><?php echo $q4['c'][$i-1]; ?></td>
+          <td><?php echo pct($q4['c'][$i-1], $totalResponses); ?></td>
+        </tr>
+      <?php endfor; ?>
+    </table>
+  </div>
+</div>
+
+<div class="box">
+  <h3>5) Häufigste Kaffeearten (Mehrfachauswahl)</h3>
+  <table>
+    <tr><th>Sorte</th><th>Anzahl</th><th>Anteil (bezogen auf Antworten)</th></tr>
+    <?php foreach ($drinks as $key => $label): ?>
+      <tr>
+        <td><?php echo h($label); ?></td>
+        <td><?php echo (int)$drinkCounts[$key]; ?></td>
+        <td><?php echo pct((int)$drinkCounts[$key], $totalResponses); ?></td>
+      </tr>
+    <?php endforeach; ?>
+  </table>
+
+  <?php if (count($drinkOtherTexts) > 0): ?>
+    <p class="small"><b>„Andere“ – Texte (letzte 30):</b></p>
+    <ul>
+      <?php foreach (array_slice($drinkOtherTexts, 0, 30) as $t): ?>
+        <li><?php echo h($t); ?></li>
+      <?php endforeach; ?>
+    </ul>
+  <?php endif; ?>
+</div>
+
+<div class="box">
+  <h3>7) Häufigstes Problem mit der Kaffeeliste</h3>
+  <table>
+    <tr><th>Problem</th><th>Anzahl</th><th>Anteil</th></tr>
+    <?php
+      // Map rows -> counts
+      $tmp = [];
+      foreach ($q7Rows as $r) $tmp[(string)$r['keyVal']] = (int)$r['cnt'];
+      foreach ($problems as $k => $label):
+        $c = $tmp[$k] ?? 0;
+    ?>
+      <tr>
+        <td><?php echo h($label); ?></td>
+        <td><?php echo $c; ?></td>
+        <td><?php echo pct($c, $totalResponses); ?></td>
+      </tr>
+    <?php endforeach; ?>
+  </table>
+</div>
+
+<div class="box">
+  <h3>8) Gewünschte Verbesserungen (Mehrfachauswahl)</h3>
+  <table>
+    <tr><th>Verbesserung</th><th>Anzahl</th><th>Anteil (bezogen auf Antworten)</th></tr>
+    <?php foreach ($improvements as $key => $label): ?>
+      <tr>
+        <td><?php echo h($label); ?></td>
+        <td><?php echo (int)$impCounts[$key]; ?></td>
+        <td><?php echo pct((int)$impCounts[$key], $totalResponses); ?></td>
+      </tr>
+    <?php endforeach; ?>
+  </table>
+
+  <?php if (count($impOtherTexts) > 0): ?>
+    <p class="small"><b>„Sonstiges“ – Texte (letzte 30):</b></p>
+    <ul>
+      <?php foreach (array_slice($impOtherTexts, 0, 30) as $t): ?>
+        <li><?php echo h($t); ?></li>
+      <?php endforeach; ?>
+    </ul>
+  <?php endif; ?>
+</div>
+
+<div class="grid">
+  <div class="box">
+    <h3>6) Zusätzliche Sorten (Freitext) – letzte 30</h3>
+    <?php if (!$newVarietiesTexts): ?>
+      <p class="muted">Keine Einträge.</p>
+    <?php else: ?>
+      <ul>
+        <?php foreach (array_slice($newVarietiesTexts, 0, 30) as $t): ?>
+          <li><?php echo h($t); ?></li>
+        <?php endforeach; ?>
+      </ul>
+    <?php endif; ?>
+  </div>
+
+  <div class="box">
+    <h3>9) Was kann die Kaffeeliste noch besser machen? – letzte 30</h3>
+    <?php if (!$betterIdeasTexts): ?>
+      <p class="muted">Keine Einträge.</p>
+    <?php else: ?>
+      <ul>
+        <?php foreach (array_slice($betterIdeasTexts, 0, 30) as $t): ?>
+          <li><?php echo h($t); ?></li>
+        <?php endforeach; ?>
+      </ul>
+    <?php endif; ?>
+  </div>
+</div>
+<?php
+
+}else{
+	echo "<h2>Sie haben keine Zugang zu dieser Webseite</h2>";
+}
+?>
+
+    </div>
+</section>
+
+<?php include "footer.php"; 
+
+?>