Enhance workshop assignment logic with minimum participant checks and improved reassignment handling
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@@ -49,6 +49,20 @@ function kc_run_zuteilung($wahl_id) {
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// 2) Kopie der Kapazitäten für diese Phase (werden während Zuordnung reduziert)
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// 2) Kopie der Kapazitäten für diese Phase (werden während Zuordnung reduziert)
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$caps = $workshop_caps;
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$caps = $workshop_caps;
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// Minimalanzahlen einmalig laden
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$ws_ids_in_wahl = array_keys($workshops);
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$min_map = [];
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if (!empty($ws_ids_in_wahl)) {
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$placeholders = implode(',', array_fill(0, count($ws_ids_in_wahl), '%d'));
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$min_rows = $wpdb->get_results($wpdb->prepare(
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"SELECT id, min_teilnehmer FROM {$prefix}kc_workshops WHERE id IN ($placeholders)",
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$ws_ids_in_wahl
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));
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foreach($min_rows as $r) {
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$min_map[intval($r->id)] = intval($r->min_teilnehmer);
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}
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}
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// 3) Force-Zuteilungen anwenden (nur für diese Phase)
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// 3) Force-Zuteilungen anwenden (nur für diese Phase)
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foreach($forces_all as $f) {
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foreach($forces_all as $f) {
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if(intval($f->phase) !== $phase) continue;
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if(intval($f->phase) !== $phase) continue;
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@@ -93,7 +107,7 @@ function kc_run_zuteilung($wahl_id) {
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return true;
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return true;
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};
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};
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// 5) Wunschrunden 1..3
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// 5) Wunschrunden 1..3 (OHNE Minimalanzahl-Prüfung - volle Priorität!)
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for($wunsch=1;$wunsch<=3;$wunsch++) {
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for($wunsch=1;$wunsch<=3;$wunsch++) {
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$not_assigned = [];
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$not_assigned = [];
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foreach($remaining as $tn) {
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foreach($remaining as $tn) {
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@@ -110,8 +124,7 @@ function kc_run_zuteilung($wahl_id) {
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if(count($remaining) > 1) shuffle($remaining);
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if(count($remaining) > 1) shuffle($remaining);
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}
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}
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// 6) Restliche zufällig verteilen (auf alle freie Workshops)
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// 6) Restliche zufällig verteilen (OHNE Minimalanzahl-Prüfung)
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$freie = array_keys(array_filter($caps, function($c){return $c>0;}));
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foreach($remaining as $tn) {
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foreach($remaining as $tn) {
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$freie = array_keys(array_filter($caps, function($c){return $c>0;}));
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$freie = array_keys(array_filter($caps, function($c){return $c>0;}));
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if(count($freie) === 0) {
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if(count($freie) === 0) {
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@@ -131,21 +144,11 @@ function kc_run_zuteilung($wahl_id) {
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$assign($tn, $ws_id, 99);
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$assign($tn, $ws_id, 99);
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}
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}
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// 6.5 Verbesserte Mindestanzahl-Sicherung: Unterbesetzte Workshops auflösen
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// 6.5 NEUE LOGIK: NACH Zufallsverteilung Minimalanzahlen überprüfen
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// Unterbesetzte Workshops auflösen und TN nur auf "sichere" Workshops verteilen
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$ws_ids_in_wahl = array_keys($workshops);
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$ws_ids_in_wahl = array_keys($workshops);
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if (!empty($ws_ids_in_wahl)) {
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if (!empty($ws_ids_in_wahl)) {
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// min_teilnehmer laden (einmalig)
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$placeholders = implode(',', array_fill(0, count($ws_ids_in_wahl), '%d'));
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$min_rows = $wpdb->get_results($wpdb->prepare(
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"SELECT id, min_teilnehmer FROM {$prefix}kc_workshops WHERE id IN ($placeholders)",
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$ws_ids_in_wahl
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));
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$min_map = [];
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foreach($min_rows as $r) {
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$min_map[intval($r->id)] = intval($r->min_teilnehmer);
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}
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// Aktuelle Belegung zählen
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// Aktuelle Belegung zählen
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$assigned_counts_raw = $wpdb->get_results($wpdb->prepare(
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$assigned_counts_raw = $wpdb->get_results($wpdb->prepare(
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"SELECT workshop_id, COUNT(*) AS cnt
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"SELECT workshop_id, COUNT(*) AS cnt
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@@ -160,46 +163,33 @@ function kc_run_zuteilung($wahl_id) {
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$assigned_counts[intval($ar['workshop_id'])] = intval($ar['cnt']);
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$assigned_counts[intval($ar['workshop_id'])] = intval($ar['cnt']);
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}
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}
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$assigned_counts = [];
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// ─────────────── DIAGNOSE VOR UMVERTEILUNG ───────────────
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foreach($assigned_counts_raw as $ar) {
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error_log("=== DIAGNOSE Mindestanzahl Phase $phase (VOR Umverteilung) ===");
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$assigned_counts[intval($ar['workshop_id'])] = intval($ar['cnt']);
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}
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// Unterbesetzte Workshops finden (mit Zuweisung > 0 aber < min)
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$failing = [];
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foreach($ws_ids_in_wahl as $wsid) {
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$min_req = $min_map[$wsid] ?? 0;
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$cnt = $assigned_counts[$wsid] ?? 0;
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if ($min_req > 0 && $cnt < $min_req) { // ← auch wenn cnt == 0 !
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$failing[] = $wsid;
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}
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}
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// ──────────────── WICHTIGE DIAGNOSE ────────────────
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error_log("=== DIAGNOSE Mindestanzahl Phase $phase ===");
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error_log("Workshops insgesamt: " . count($ws_ids_in_wahl));
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foreach ($ws_ids_in_wahl as $wsid) {
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foreach ($ws_ids_in_wahl as $wsid) {
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$name = $workshops[$wsid]->name ?? 'ID '.$wsid;
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$name = $workshops[$wsid]->name ?? 'ID '.$wsid;
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$min = $min_map[$wsid] ?? 0;
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$min = $min_map[$wsid] ?? 0;
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$cnt = $assigned_counts[$wsid] ?? 0;
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$cnt = $assigned_counts[$wsid] ?? 0;
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$cap = $caps[$wsid] ?? 'unbekannt';
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$status = ($min > 0 && $cnt > 0 && $cnt < $min) ? 'UNTER MIN → wird umverteilt' :
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$status = ($min > 0 && $cnt > 0 && $cnt < $min) ? 'UNTER MIN → wird umverteilt' :
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(($min > 0 && $cnt >= $min) ? 'OK' :
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(($min > 0 && $cnt >= $min) ? 'OK ✓' : ($cnt == 0 ? 'leer' : 'OK (kein Min)'));
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($cnt == 0 ? 'leer (ignoriert)' : 'keine min-Anforderung'));
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error_log("WS $wsid ($name) | min=$min | TN=$cnt | $status");
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error_log("WS $wsid ($name) | min=$min | jetzt=$cnt | Restkap=$cap | $status");
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}
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error_log("Anzahl failing Workshops: " . count($failing));
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if (!empty($failing)) {
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error_log("Umverteilung startet für WS: " . implode(', ', $failing));
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} else {
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error_log("Keine Workshops unter Mindestanzahl mit Teilnehmern → nichts zu tun");
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}
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}
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error_log("============================");
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error_log("============================");
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if (!empty($failing)) {
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// Unterbesetzte Workshops finden
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error_log("Phase $phase: Folgende Workshops unter Mindestanzahl → Teilnehmer werden umverteilt: " . implode(', ', $failing));
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$failing = [];
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foreach($ws_ids_in_wahl as $wsid) {
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$min_req = $min_map[$wsid] ?? 0;
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$cnt = $assigned_counts[$wsid] ?? 0;
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// Workshop ist unterbesetzt wenn: er hat Teilnehmer, aber weniger als Minimum
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if ($min_req > 0 && $cnt > 0 && $cnt < $min_req) {
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$failing[] = $wsid;
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}
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}
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// Alle betroffenen Teilnehmer sammeln
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if (!empty($failing)) {
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error_log("Phase $phase: Workshops UNTER Mindestanzahl: " . implode(', ', $failing) . " → Umverteilung startet");
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// Alle TN aus unterbesetzten Workshops sammeln
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$to_reassign = [];
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$to_reassign = [];
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foreach($failing as $fw) {
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foreach($failing as $fw) {
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$rows = $wpdb->get_results($wpdb->prepare(
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$rows = $wpdb->get_results($wpdb->prepare(
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@@ -213,6 +203,8 @@ function kc_run_zuteilung($wahl_id) {
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}
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}
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if (!empty($to_reassign)) {
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if (!empty($to_reassign)) {
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error_log("Phase $phase: " . count($to_reassign) . " Teilnehmer werden umverteilt");
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// Alte Zuweisungen löschen
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// Alte Zuweisungen löschen
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$fw_list = implode(',', array_map('intval', $failing));
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$fw_list = implode(',', array_map('intval', $failing));
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$wpdb->query("DELETE FROM {$prefix}kc_zuteilung
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$wpdb->query("DELETE FROM {$prefix}kc_zuteilung
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@@ -226,7 +218,22 @@ function kc_run_zuteilung($wahl_id) {
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$caps[$fw] = ($caps[$fw] ?? 0) + $freed;
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$caps[$fw] = ($caps[$fw] ?? 0) + $freed;
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}
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}
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// Teilnehmer erneut versuchen zuzuweisen – zuerst Wünsche, dann Rest
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// "Sichere" Workshops: Nur die, die KEIN Minimum haben ODER ihr Minimum BEREITS erfüllt haben
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$safe_workshops = [];
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foreach($ws_ids_in_wahl as $wsid) {
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if (in_array($wsid, $failing)) continue; // Unterbesetzte raus
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$min_req = $min_map[$wsid] ?? 0;
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$cnt = $assigned_counts[$wsid] ?? 0;
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// Sicher wenn: kein Min UND Kapazität übrig OR Min erfüllt und noch Platz
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if (($min_req == 0 && isset($caps[$wsid]) && $caps[$wsid] > 0) ||
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($min_req > 0 && $cnt >= $min_req && isset($caps[$wsid]) && $caps[$wsid] > 0)) {
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$safe_workshops[] = $wsid;
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}
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}
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error_log("Phase $phase: " . count($safe_workshops) . " 'sichere' Workshops für Umverteilung verfügbar");
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// Teilnehmer auf sichere Workshops verteilen
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foreach($to_reassign as $tid) {
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foreach($to_reassign as $tid) {
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$tn = $all_teilnehmer_by_id[$tid] ?? $wpdb->get_row($wpdb->prepare(
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$tn = $all_teilnehmer_by_id[$tid] ?? $wpdb->get_row($wpdb->prepare(
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"SELECT * FROM {$prefix}kc_teilnehmer WHERE id = %d", $tid
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"SELECT * FROM {$prefix}kc_teilnehmer WHERE id = %d", $tid
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@@ -235,10 +242,10 @@ function kc_run_zuteilung($wahl_id) {
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$reassigned = false;
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$reassigned = false;
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// Nochmal Wunsch 1–3 versuchen
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// Zuerst Wünsche versuchen (nur auf sichere Workshops)
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for($w = 1; $w <= 3; $w++) {
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for($w = 1; $w <= 3; $w++) {
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$choice = intval($tn->{"wunsch$w"});
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$choice = intval($tn->{"wunsch$w"});
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if ($choice > 0 && isset($caps[$choice]) && $caps[$choice] > 0) {
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if ($choice > 0 && in_array($choice, $safe_workshops) && isset($caps[$choice]) && $caps[$choice] > 0) {
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if ($assign($tn, $choice, $w)) {
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if ($assign($tn, $choice, $w)) {
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$reassigned = true;
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$reassigned = true;
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break;
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break;
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@@ -248,12 +255,19 @@ function kc_run_zuteilung($wahl_id) {
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if ($reassigned) continue;
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if ($reassigned) continue;
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// Falls kein Wunsch frei → irgendein freier Workshop
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// Falls kein Wunsch auf sicherer Liste frei → zufällig auf sichere verteilen
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$available = array_keys(array_filter($caps, fn($c) => $c > 0));
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if (!empty($safe_workshops)) {
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if (!empty($available)) {
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$available = [];
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$target = $available[array_rand($available)];
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foreach($safe_workshops as $wsid) {
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if ($assign($tn, $target, 99)) {
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if (isset($caps[$wsid]) && $caps[$wsid] > 0) {
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$reassigned = true;
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$available[] = $wsid;
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}
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}
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if (!empty($available)) {
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$target = $available[array_rand($available)];
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if ($assign($tn, $target, 99)) {
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$reassigned = true;
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}
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}
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}
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}
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}
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@@ -270,10 +284,18 @@ function kc_run_zuteilung($wahl_id) {
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]);
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]);
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}
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}
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}
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}
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// Unterbesetzte Workshops sind nun aus dem Pool raus
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foreach($failing as $fw) {
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error_log("Workshop $fw wird aus dem Pool entfernt (konnte nicht mit Minimum befüllt werden)");
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}
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}
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}
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} else {
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error_log("Phase $phase: Alle Workshops erfüllen ihre Minimalanzahl ✓");
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}
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}
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}
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}
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// 7) Kapazitätsprüfung (Debug / Log)
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// 7) Kapazitätsprüfung (Debug / Log)
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foreach($caps as $wsid=>$capleft) {
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foreach($caps as $wsid=>$capleft) {
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if($capleft < 0) {
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if($capleft < 0) {
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