FG Scan form validation improvements with warehouse module updates
- Fixed 3 JavaScript syntax errors in fg_scan.html (lines 951, 840-950, 1175-1215) - Restored form field validation with proper null safety checks - Re-enabled auto-advance between form fields - Re-enabled CP code auto-complete with hyphen detection - Updated validation error messages with clear format specifications and examples - Added autocomplete='off' to all input fields - Removed auto-prefix correction feature - Updated warehouse routes and modules for box assignment workflow - Added/improved database initialization scripts - Updated requirements.txt dependencies Format specifications implemented: - Operator Code: OP + 2 digits (example: OP01, OP99) - CP Code: CP + 8 digits + hyphen + 4 digits (example: CP00000000-0001) - OC1/OC2 Codes: OC + 2 digits (example: OC01, OC99) - Defect Code: 3 digits only
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Quality App Developer
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# Quick Box Checkpoint - Old App vs New App Comparison
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## Feature Comparison Matrix
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| Feature | Old App | New App | Status |
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|---------|---------|---------|--------|
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| **FG Scan Page** | ✅ Has "Scan To Boxes" toggle | ✅ Has toggle | ✓ Working |
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| **Quick Box Creation Button** | ✅ "Quick Box Label Creation" | ✅ Button exists | ⚠️ Non-functional |
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| **Auto-Increment Box Numbers** | ✅ BOX00000001, BOX00000002... | ❌ Missing | ❌ Need to implement |
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| **PDF Label Generation** | ✅ ReportLab PDF with barcode | ❌ Missing | ❌ Need to implement |
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| **QZ Tray Integration** | ✅ Full implementation | ⚠️ Partial | ❌ Needs completion |
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| **Printer Selection** | ✅ Auto-detects default | ⚠️ In code but not used | ❌ Needs implementation |
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| **Label Format** | ✅ 8cm × 5cm landscape | ❌ Not generated | ❌ Need to implement |
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| **Box Assignment Modal** | ✅ Full modal with options | ✅ Basic modal | ⚠️ Incomplete functionality |
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| **Database: boxes_crates** | ✅ Creates entry on button click | ❌ Not created | ❌ Need backend route |
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| **Database: box_contents** | ✅ Links CP to box | ❌ Not created | ❌ Need backend route |
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| **CP-to-Box Assignment** | ✅ Saves to database | ❌ Not saved | ❌ Need backend route |
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| **Confirmation Messages** | ✅ Success notifications | ✅ showNotification exists | ✓ Ready to use |
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| **Error Handling** | ✅ QZ Tray fallback | ❌ Not implemented | ❌ Need implementation |
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| **Form Reset** | ✅ Auto-resets after assignment | ✅ resetForm() exists | ✓ Ready to use |
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## Code Location Comparison
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### Old App (`/srv/quality_app/py_app/app/`)
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#### Templates
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- **FG Scan Frontend**: `templates/fg_scan.html` (1242 lines total)
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- "Scan To Boxes" toggle: Line ~720
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- Quick box button: Line ~875
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- Modal structure: Line ~1119+
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- JavaScript workflow: Line ~880-1100
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#### Routes
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- **Box Creation**: `routes.py` (no specific function, inline in FG scan route)
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- **PDF Generation**: `routes.py` line ~3700+ (`generate_box_label_pdf()`)
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- **QZ Tray Printing**: Embedded in template `fg_scan.html` lines 880-1000
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### New App (`/srv/quality_app-v2/app/modules/quality/`)
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#### Templates
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- **FG Scan Frontend**: `templates/modules/quality/fg_scan.html` (1005 lines total)
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- "Scan To Boxes" toggle: Line ~50
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- Quick box button: Line ~56
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- Modal structure: Line ~108+
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- JavaScript workflow: Line ~820+ (INCOMPLETE)
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#### Routes
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- **No box creation route** ❌
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- **No PDF generation route** ❌
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- **No CP assignment route** ❌
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## Detailed Implementation Changes
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### 1. Backend Route Additions Needed
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```
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OLD APP:
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├─ POST /warehouse/manage_boxes
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│ └─ action=add_box → Creates box, returns JSON
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├─ POST /generate_box_label_pdf
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│ └─ box_number → Returns PDF blob
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└─ FG Scan saves via form submission
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NEW APP NEEDS:
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├─ POST /quality/api/create-quick-box
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│ └─ Returns {success, box_number, box_id}
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├─ POST /quality/api/generate-box-label-pdf
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│ └─ Returns {success, pdf_base64}
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└─ POST /quality/api/assign-cp-to-box
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└─ Returns {success, message}
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```
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### 2. Database Schema
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**Both apps use same tables:**
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```sql
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boxes_crates {
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id, box_number, status, location_id,
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created_at, updated_at, created_by
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}
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box_contents {
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id, box_id, cp_code, quantity, created_at
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}
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```
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**But New App:**
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- Schema exists ✅
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- Tables created on init ✅
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- Relationships defined ✅
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- Just needs INSERT operations ❌
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### 3. Frontend Differences
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#### Old App Workflow
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```javascript
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// lines 880-950
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Button click
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→ Disable button
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→ POST /warehouse/manage_boxes
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→ Get box number
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→ Generate PDF (fetch /generate_box_label_pdf)
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→ Get PDF blob
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→ Configure QZ Tray
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→ Send to printer (await qz.print)
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→ Show confirmation
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→ Open modal for scanning
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→ User scans or enters box
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→ POST to assign CP
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→ Reset form
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```
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#### New App Workflow (Current Broken Version)
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```javascript
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// line 820-830
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Button click
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→ Check qzTrayReady flag
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→ Try to call qz.print() directly ❌ WRONG
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→ No backend calls
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→ No database updates
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```
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## Side-by-Side Code Comparison
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### Box Creation
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**OLD APP:**
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```python
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# In fg_scan route, after scan recorded:
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result = fetch('/warehouse/manage_boxes', {
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method: 'POST',
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body: 'action=add_box'
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}).then(r => r.json())
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box_number = result.box_number
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```
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**NEW APP NEEDS:**
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```python
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# New route in quality/routes.py:
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@quality_bp.route('/api/create-quick-box', methods=['POST'])
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def create_quick_box():
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cursor.execute("""
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INSERT INTO boxes_crates (box_number, status, created_by, created_at)
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VALUES (%s, %s, %s, NOW())
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""", (box_number, 'open', user_id))
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return jsonify({'success': True, 'box_number': box_number})
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```
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### PDF Generation
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**OLD APP:**
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```python
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# routes.py line 3727
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@bp.route('/generate_box_label_pdf', methods=['POST'])
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def generate_box_label_pdf():
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box_number = request.form.get('box_number')
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# ... create PDF with ReportLab
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# ... return PDF blob
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return send_file(pdf_buffer, mimetype='application/pdf')
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```
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**NEW APP NEEDS:**
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```python
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# New route in quality/routes.py:
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@quality_bp.route('/api/generate-box-label-pdf', methods=['POST'])
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def generate_box_label_pdf():
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box_number = request.form.get('box_number')
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# ... create PDF with ReportLab
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# ... return base64 (not blob) for QZ Tray
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pdf_base64 = base64.b64encode(pdf_data).decode('utf-8')
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return jsonify({'success': True, 'pdf_base64': pdf_base64})
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```
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### QZ Tray Configuration
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**OLD APP:**
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```javascript
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// Line 950+
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const config = qz.configs.create(printer, {
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scaleContent: false,
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rasterize: false,
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size: { width: 80, height: 50 },
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units: 'mm',
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margins: { top: 0, right: 0, bottom: 0, left: 0 }
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});
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const printData = [{
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type: 'pdf',
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format: 'base64',
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data: pdfBase64
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}];
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await qz.print(config, printData);
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```
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**NEW APP (Currently Missing):**
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```javascript
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// Same code needed in new app
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// Currently trying to call qz.print() without config
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// Line 825: qz.print({ type: 'label', format: cpCode }) ← WRONG
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```
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## Missing Requirements in New App
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### Required from Old App but NOT in New App
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1. **PDF Generation Function**
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- Old: `routes.py` lines 3700-3800
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- New: ❌ Missing entirely
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2. **Box Creation Logic**
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- Old: Inline in FG scan route
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- New: ❌ No endpoint
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3. **Printer Detection**
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- Old: `qz.printers.find()` and `getDefault()`
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- New: ⚠️ Code exists but not called
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4. **QZ Config Creation**
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- Old: Proper `qz.configs.create()` call
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- New: ❌ Not called
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5. **Base64 PDF Handling**
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- Old: PDF blob converted to base64
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- New: ❌ Not implemented
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## Implementation Priority
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### Critical (Blocking Feature)
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1. Create backend route for box creation
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2. Create backend route for PDF generation
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3. Fix JavaScript workflow
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### High (Important)
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4. Printer detection and selection
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5. Error handling and fallbacks
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### Medium (Nice to Have)
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6. Browser print fallback
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7. Advanced logging
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## Validation Checklist
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After implementing, verify:
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- [ ] New box created in database (boxes_crates table)
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- [ ] Box number auto-increments correctly
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- [ ] PDF generates with correct format (8cm × 5cm)
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- [ ] Barcode renders in PDF
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- [ ] QZ Tray receives PDF
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- [ ] Label prints to printer
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- [ ] Modal opens after printing
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- [ ] CP assignment saved to database
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- [ ] box_contents table updated
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- [ ] Form resets after completion
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- [ ] Error messages show when QZ Tray unavailable
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- [ ] Timestamps recorded correctly
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## Performance Considerations
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| Operation | Old App | New App | Note |
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|-----------|---------|---------|------|
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| Box creation | ~100ms | Should be similar | Database INSERT |
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| PDF generation | ~200-300ms | Should be similar | ReportLab rendering |
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| Print to QZ | ~500-1000ms | Should be similar | Network + printer |
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| Total workflow | ~1-2 seconds | Should be similar | With good performance |
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## Summary
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The new app has the structure ready but needs:
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1. **3 backend routes** (copy from old app with adaptations)
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2. **JavaScript workflow completion** (60+ lines)
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3. **Testing** (verify each step)
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All code patterns already exist in the old app and are documented in the implementation guide.
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