Fix of an missing parethasys

Web/app.py

@@ -3787,6 +3787,7 @@ def api_item_detail(item_id):
         <h2>{html.escape(str(item.get('Name', 'Untitled')))}</h2>
         <p><strong>ISBN:</strong> {html.escape(str(item.get('ISBN', item.get('Code4', '-'))))}</p>
         <p><strong>Anzahl:</strong> {html.escape(str(item.get('SeriesCount', '-')))}</p>
+        <p><strong>Code:</strong> {html.escape(str(item.get('Code_4', '-')))}</p>
         <p><strong>Ort:</strong> {html.escape(str(item.get('Ort', '-')))}</p>
         <p><strong>Typ:</strong> {html.escape(str(item.get('ItemType', '-')))}</p>
         <p><strong>Kategorie:</strong> {html.escape(str(item.get('library_category', '-')))}</p>

Web/templates/library_table.html

@@ -800,7 +800,7 @@
             return `
         <tr>
             <td class="table-title">${escapeHtml(item.Name || 'Untitled')}</td>
-            <td>${escapeHtml(item.ISBN || item.Code_4 || item.Code4 || '-')}</td>
+            <td>${escapeHtml(item.Code_4 || item.Code4 || '-')}</td>
             <td>${getItemTypeLabel(item.ItemType || 'book')}</td>
             <td style="font-weight:600; text-align:center;">${item.Quantity || item.GroupedDisplayCount || 1}</td>
             <td>
@@ -1027,20 +1027,55 @@
     }
 
     async function processQuickToggleScan(scannedCode) {
+        // 1. Prüfen, ob "Nur Rückgabe"-Modus aktiv ist
+        const returnOnly = (document.getElementById('returnOnlyToggle') || {}).checked;
+        if (returnOnly) {
+            await returnByCode(scannedCode);
+            return;
+        }
+
+        // 2. Wenn kein Ausweis gesetzt ist, wird der Code als Ausweis interpretiert
         if (!activeStudentCardId) {
-            // If return-only mode is active, always attempt to return by code
+            setActiveStudentCard(scannedCode);
-            const returnOnly = (document.getElementById('returnOnlyToggle') || {}).checked;
+            setScanStatus(`Ausweis gesetzt: ${activeStudentCardId}`, 'ok');
-            if (returnOnly) {
+            return;
-                await returnByCode(scannedCode);
+        }
+
+        // 3. Ausleihe/Rückgabe verarbeiten (wenn Ausweis vorhanden)
+        try {
+            setScanStatus('Verarbeite Mediencode...', 'warn');
+            const response = await fetch('/api/library_scan_action', {
+                method: 'POST',
+                headers: {'Content-Type': 'application/json'},
+                body: JSON.stringify({
+                    student_card_id: activeStudentCardId,
+                    item_code: scannedCode
+                })
+            });
+
+            const result = await response.json();
+            if (!response.ok || !result.ok) {
+                setScanStatus(result.message || 'Scan-Aktion fehlgeschlagen.', 'error');
                 return;
             }
 
-            if (!activeStudentCardId) {
+            if (result.action === 'borrowed') {
-                setActiveStudentCard(scannedCode);
+                setScanStatus(`Ausgeliehen: ${result.item_name}`, 'ok');
-                setScanStatus(`Ausweis gesetzt: ${activeStudentCardId}`, 'ok');
+                showSmallConfirm(`Ausgeliehen: ${result.item_name}`, 'ok');
-                return;
+            } else if (result.action === 'returned') {
+                setScanStatus(`Zurückgegeben: ${result.item_name}`, 'ok');
+                showSmallConfirm(`Zurückgegeben: ${result.item_name}`, 'ok');
+            } else {
+                setScanStatus(result.message || 'Aktion durchgeführt.', 'ok');
+                showSmallConfirm(result.message || 'Aktion durchgeführt.', 'ok');
             }
-    
+
+            await loadLibraryItems();
+        } catch (err) {
+            console.error('Quick scan action failed:', err);
+            setScanStatus('Fehler beim Verarbeiten des Scans.', 'error');
+        }
+    }
 
     async function returnByCode(code) {
         if (!code) return;
@@ -1068,40 +1103,6 @@
             return false;
         }
     }
-        try {
-            setScanStatus('Verarbeite Mediencode...', 'warn');
-            const response = await fetch('/api/library_scan_action', {
-                method: 'POST',
-                headers: {'Content-Type': 'application/json'},
-                body: JSON.stringify({
-                    student_card_id: activeStudentCardId,
-                    item_code: scannedCode
-                })
-            });
-        
-            const result = await response.json();
-            if (!response.ok || !result.ok) {
-                setScanStatus(result.message || 'Scan-Aktion fehlgeschlagen.', 'error');
-                return;
-            }
-        
-            if (result.action === 'borrowed') {
-                setScanStatus(`Ausgeliehen: ${result.item_name}`, 'ok');
-                showSmallConfirm(`Ausgeliehen: ${result.item_name}`, 'ok');
-            } else if (result.action === 'returned') {
-                setScanStatus(`Zurückgegeben: ${result.item_name}`, 'ok');
-                showSmallConfirm(`Zurückgegeben: ${result.item_name}`, 'ok');
-            } else {
-                setScanStatus(result.message || 'Aktion durchgeführt.', 'ok');
-                showSmallConfirm(result.message || 'Aktion durchgeführt.', 'ok');
-            }
-        
-            await loadLibraryItems();
-        } catch (err) {
-            console.error('Quick scan action failed:', err);
-            setScanStatus('Fehler beim Verarbeiten des Scans.', 'error');
-        }
-    }
 
     function scanIntoEditCode() {
         const scanReaderWrap = document.getElementById('scanReaderWrap');
@@ -1110,15 +1111,15 @@
         if (!scanReaderWrap || !editCodeInput || !scanEditBtn) {
             return;
         }
-    
+
         if (scannerRunning && scanReaderWrap.style.display !== 'none') {
             stopScanner();
             scanEditBtn.textContent = 'Barcode scannen';
             return;
         }
-    
+
         scanEditBtn.textContent = 'Scanner schließen';
-    
+
         startScanner(function(decodedText) {
             editCodeInput.value = decodedText;
             if(typeof validateCodeField === "function") {
@@ -1137,16 +1138,16 @@
             alert('Dieses Medium ist als defekt/zerstört markiert und kann nicht ausgeliehen werden.');
             return;
         }
-    
+
         const defaultCardId = activeStudentCardId || '';
         const cardId = (window.prompt('Bitte Schülerausweis-ID eingeben:', defaultCardId) || '').trim().toUpperCase();
         if (!cardId) {
             alert('Ausleihe abgebrochen: Für Bibliotheksmedien ist eine gültige Schülerausweis-ID erforderlich.');
             return;
         }
-    
+
         setActiveStudentCard(cardId);
-    
+
         const durationInput = (window.prompt('Ausleihdauer in Tagen (optional):') || '').trim();
         const maxAvailable = Math.max(1, parseInt(selectedItem?.AvailableGroupedCount || selectedItem?.Quantity || 1, 10) || 1);
         const countPrompt = (window.prompt(`Anzahl ausleihen? (Standard: 1, verfügbar: ${maxAvailable})`, '1') || '').trim();
@@ -1158,29 +1159,29 @@
             alert(`Es sind nur ${maxAvailable} Exemplar(e) verfügbar.`);
             return;
         }
-    
+
         const form = document.createElement('form');
         form.method = 'POST';
         form.action = `/ausleihen/${itemId}`;
-    
+
         const csrfField = document.createElement('input');
         csrfField.type = 'hidden';
         csrfField.name = 'csrf_token';
         csrfField.value = '{{ csrf_token }}';
         form.appendChild(csrfField);
-    
+
         const cardField = document.createElement('input');
         cardField.type = 'hidden';
         cardField.name = 'borrower_card_id';
         cardField.value = cardId;
         form.appendChild(cardField);
-    
+
         const returnTargetField = document.createElement('input');
         returnTargetField.type = 'hidden';
         returnTargetField.name = 'return_to';
         returnTargetField.value = 'library';
         form.appendChild(returnTargetField);
-    
+
         if (durationInput) {
             const durationField = document.createElement('input');
             durationField.type = 'hidden';
@@ -1188,13 +1189,13 @@
             durationField.value = durationInput;
             form.appendChild(durationField);
         }
-    
+
         const countField = document.createElement('input');
         countField.type = 'hidden';
         countField.name = 'exemplare_count';
         countField.value = String(borrowCount || 1);
         form.appendChild(countField);
-    
+
         document.body.appendChild(form);
         form.submit();
     }
@@ -1221,13 +1222,13 @@
         // auto remove after 3 seconds
         setTimeout(() => { try { if (el && el.parentNode) el.parentNode.removeChild(el); } catch(e){} }, 3000);
     }
-    
+
     function setActiveStudentCard(cardId) {
         activeStudentCardId = (cardId || '').trim().toUpperCase();
         const input = document.getElementById('activeStudentCard');
         if (input) input.value = activeStudentCardId;
     }
-    
+
     function normalizeScannedCode(code) {
         return (code || '').trim();
     }
@@ -1292,7 +1293,7 @@
         const resetBtn = document.getElementById('resetCardBtn');
         const modeSelect = document.getElementById('scanModeSelect');
         const keyboardToggle = document.getElementById('keyboardScannerToggle');
-    
+
         if (toggleBtn) {
             toggleBtn.addEventListener('click', async () => {
                 if (scannerRunning) {
@@ -1302,14 +1303,14 @@
                 }
             });
         }
-    
+
         if (resetBtn) {
             resetBtn.addEventListener('click', () => {
                 setActiveStudentCard('');
                 setScanStatus('Ausweis zurückgesetzt. Bitte neu scannen.', 'warn');
             });
         }
-    
+
         if (modeSelect) {
             modeSelect.addEventListener('change', () => {
                 if (modeSelect.value === 'quick_toggle' && !activeStudentCardId) {
@@ -1335,8 +1336,8 @@
     }
 
     // Run when DOM structure is entirely ready
-    document.addEventListener('DOMContentLoaded', () => {
+    document.addEventListener('DOMContentLoaded', async () => {
-        wireScannerUi();       // Setup scanner control buttons 
+        wireScannerUi();       // Setup scanner control buttons
         loadLibraryItems();   // Fetch your database items right away!
 
         // Safely connect standard Filters and Search inputs inside DOMContentLoaded
@@ -1365,7 +1366,7 @@
                 document.getElementById('filterISBN').value = '';
                 document.getElementById('filterType').value = '';
                 document.getElementById('filterStatus').value = '';
-                activeFilters = { isbn: '', type: '', status: '' };
+                activeFilters = {isbn: '', type: '', status: ''};
                 applyFiltersAndSearch(true);
             });
         }
@@ -1401,13 +1402,16 @@
 
         const editForm = document.getElementById('editLibraryForm');
         if (editForm) {
-            editForm.addEventListener('submit', async function(e) {
+            editForm.addEventListener('submit', async function (e) {
                 e.preventDefault();
 
                 const itemId = document.getElementById('editLibraryItemId').value;
                 const currentItem = libraryItems.find(i => i._id === itemId);
                 if (!currentItem) return;
 
+                const codeInputs = Array.from(document.querySelectorAll('#editLibraryCodesContainer input[data-item-id]'));
+
+                // Daten aus dem Formular sammeln
                 const sharedPayload = {
                     name: document.getElementById('editLibraryName').value,
                     item_type: document.getElementById('editLibraryType').value,
@@ -1419,11 +1423,11 @@
                     reservierbar: currentItem.Reservierbar !== false,
                 };
 
-                const codeInputs = Array.from(document.querySelectorAll('#editLibraryCodesContainer input[data-item-id]'));
                 const codeByItemId = new Map(codeInputs.map(input => [input.dataset.itemId, (input.value || '').trim()]));
                 const groupMembers = editLibraryState.groupMembers.length > 0 ? editLibraryState.groupMembers : [currentItem];
                 const isGroupedEdit = Boolean(currentItem.SeriesGroupId) && groupMembers.length > 1;
 
+                // API-Aufruf
                 try {
                     if (isGroupedEdit) {
                         const payload = {
@@ -1495,7 +1499,6 @@
 
     async function fetchLibraryGroupMembers(seriesGroupId) {
         if (!seriesGroupId) return [];
-
         try {
             const response = await fetch(`/api/library_group/${encodeURIComponent(seriesGroupId)}`);
             if (!response.ok) {
@@ -1554,15 +1557,15 @@
                 labelParts.push('aktuelles Medium');
             }
             return `
-                <div style="display:flex; flex-direction:column; gap:6px; margin-bottom:10px;">
+            <div style="display:flex; flex-direction:column; gap:6px; margin-bottom:10px;">
-                    <label for="editLibraryCode-${member._id}" style="font-weight:600; font-size:0.9em; color:var(--ui-text);">${escapeHtml(labelParts.join(' · '))}</label>
+                <label for="editLibraryCode-${member._id}" style="font-weight:600; font-size:0.9em; color:var(--ui-text);">${escapeHtml(labelParts.join(' · '))}</label>
-                    <input id="editLibraryCode-${member._id}" data-item-id="${escapeHtml(member._id)}" value="${escapeHtml(codeValue)}" placeholder="Mediencode" style="width:100%; padding:8px 10px; border:1px solid #d0d7e2; border-radius:6px;">
+                <input id="editLibraryCode-${member._id}" data-item-id="${escapeHtml(member._id)}" value="${escapeHtml(codeValue)}" placeholder="Mediencode" style="width:100%; padding:8px 10px; border:1px solid #d0d7e2; border-radius:6px;">
-                </div>
+            </div>
             `;
         }).join('');
     }
 
-    window.openEditLibraryItem = async function(itemId) {
+    window.openEditLibraryItem = async function (itemId) {
         const item = libraryItems.find(i => i._id === itemId);
         if (!item) return;
 
@@ -1570,7 +1573,7 @@
         editLibraryState.seriesGroupId = item.SeriesGroupId || '';
         editLibraryState.groupMembers = [];
 
-        // 1. Felder befüllen
+        // Felder befüllen
         document.getElementById('editLibraryItemId').value = item._id;
         document.getElementById('editLibraryName').value = item.Name;
         document.getElementById('editLibraryType').value = item.ItemType;