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feat(pdf-export): enhance audit PDF table formatting and readability

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AIIrondev
2026-05-10 19:22:27 +02:00
parent 68dc2f71c6
commit 5f551331aa
1 changed files with 100 additions and 25 deletions
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Web/pdf_audit_export.py
+100 -25
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@@ -285,66 +285,141 @@ class DIN5008AuditPDF:
spaceAfter=8, spaceAfter=8,
))) )))
# Build table data with wrapped cells for better readability on A4 pages
cell_style = ParagraphStyle(
'EventCell',
parent=styles['Normal'],
fontName='Helvetica',
fontSize=8,
leading=9.5,
textColor=HexColor('#1f2937'),
alignment=TA_LEFT,
)
hash_style = ParagraphStyle(
'EventHashCell',
parent=cell_style,
fontName='Courier',
fontSize=7.5,
leading=9,
)
def _safe(value):
return str(value or '').replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;')
def _fmt_ts(value):
text = _safe(value)
if len(text) >= 19 and text[4] == '-' and text[7] == '-':
# Convert 2026-05-10 16:19:07... -> 10.05.2026 16:19
return f"{text[8:10]}.{text[5:7]}.{text[0:4]} {text[11:16]}"
return text[:16]
def _fmt_event(value):
text = _safe(value).replace('_', ' ').strip()
return text[:60]
def _chunk_text(value, chunk=4, sep=' '):
text = _safe(value)
if not text:
return ''
return sep.join(text[i:i + chunk] for i in range(0, len(text), chunk))
def _fmt_ip(value):
text = _safe(value)
# For long IPv6 values use soft wrapping points.
return text.replace(':', ':<br/>') if len(text) > 18 else text
# Build table data # Build table data
if self.export_type == 'quick': if self.export_type == 'quick':
# Quick-Check: Minimal columns # Quick-Check: Minimal columns
table_data = [ table_data = [
['Index', 'Zeit', 'Ereignis', 'Benutzer', 'Hashwert (gekürzt)'], ['Idx', 'Zeit', 'Ereignis', 'Benutzer', 'Hash (gekürzt)'],
] ]
for row in audit_rows[:20]: # Limit to 20 rows for quick check for row in audit_rows[:20]: # Limit to 20 rows for quick check
chain_idx = str(row.get('chain_index', '')) chain_idx = _safe(row.get('chain_index', ''))
timestamp = str(row.get('timestamp') or row.get('created_at', ''))[:16] timestamp = _fmt_ts(row.get('timestamp') or row.get('created_at', ''))
event_type = str(row.get('event_type', '')) event_type = _fmt_event(row.get('event_type', ''))
actor = str(row.get('actor', '')) actor = _safe(row.get('actor', ''))
entry_hash = str(row.get('entry_hash', ''))[:12] + '...' entry_hash = _chunk_text(_safe(row.get('entry_hash', ''))[:20], chunk=4)
if entry_hash:
entry_hash += ' ...'
table_data.append([chain_idx, timestamp, event_type, actor, entry_hash]) table_data.append([
Paragraph(chain_idx, cell_style),
Paragraph(timestamp, cell_style),
Paragraph(event_type, cell_style),
Paragraph(actor, cell_style),
Paragraph(entry_hash, hash_style),
])
colWidths = [1.2*cm, 1.8*cm, 2.2*cm, 2*cm, 3.8*cm] colWidths = [1.1*cm, 2.7*cm, 4.8*cm, 3.1*cm, 4.9*cm]
else: else:
# Official Report: Full columns # Official Report: Full columns
table_data = [ table_data = [
['Idx', 'Zeitstempel', 'Ereignistyp', 'Benutzer', 'Quelle', 'IP-Adresse', 'Hashwert'], ['Idx', 'Zeit', 'Ereignis', 'Benutzer', 'Quelle', 'IP', 'Hash'],
] ]
for row in audit_rows: for row in audit_rows:
chain_idx = str(row.get('chain_index', '')) chain_idx = _safe(row.get('chain_index', ''))
timestamp = str(row.get('timestamp') or row.get('created_at', ''))[:19] timestamp = _fmt_ts(row.get('timestamp') or row.get('created_at', ''))
event_type = str(row.get('event_type', '')) event_type = _fmt_event(row.get('event_type', ''))
actor = str(row.get('actor', '')) actor = _safe(row.get('actor', ''))
source = str(row.get('source', 'System'))[:15] source = _safe(row.get('source', 'System'))
ip = str(row.get('ip', '')) ip = _fmt_ip(row.get('ip', ''))
entry_hash = str(row.get('entry_hash', ''))[:16] entry_hash = _chunk_text(_safe(row.get('entry_hash', ''))[:24], chunk=4)
table_data.append([chain_idx, timestamp, event_type, actor, source, ip, entry_hash]) table_data.append([
Paragraph(chain_idx, cell_style),
Paragraph(timestamp, cell_style),
Paragraph(event_type, cell_style),
Paragraph(actor, cell_style),
Paragraph(source, cell_style),
Paragraph(ip, cell_style),
Paragraph(entry_hash, hash_style),
])
colWidths = [0.8*cm, 1.8*cm, 1.5*cm, 1.5*cm, 1.2*cm, 1.5*cm, 2.2*cm] colWidths = [1.0*cm, 2.8*cm, 3.8*cm, 2.3*cm, 1.7*cm, 2.3*cm, 2.1*cm]
# Create table # Create table
events_table = Table(table_data, colWidths=colWidths) events_table = Table(table_data, colWidths=colWidths, repeatRows=1)
events_table.setStyle(TableStyle([ events_table.setStyle(TableStyle([
# Header styling # Header styling
('BACKGROUND', (0, 0), (-1, 0), HexColor('#2c3e50')), ('BACKGROUND', (0, 0), (-1, 0), HexColor('#2c3e50')),
('TEXTCOLOR', (0, 0), (-1, 0), HexColor('#ffffff')), ('TEXTCOLOR', (0, 0), (-1, 0), HexColor('#ffffff')),
('ALIGN', (0, 0), (-1, 0), 'CENTER'), ('ALIGN', (0, 0), (-1, 0), 'CENTER'),
('FONTNAME', (0, 0), (-1, 0), 'Helvetica-Bold'), ('FONTNAME', (0, 0), (-1, 0), 'Helvetica-Bold'),
('FONTSIZE', (0, 0), (-1, 0), 8), ('FONTSIZE', (0, 0), (-1, 0), 8.5),
('TOPPADDING', (0, 0), (-1, 0), 6),
('BOTTOMPADDING', (0, 0), (-1, 0), 6), ('BOTTOMPADDING', (0, 0), (-1, 0), 6),
# Body styling # Body styling
('FONTSIZE', (0, 1), (-1, -1), 7), ('FONTSIZE', (0, 1), (-1, -1), 8),
('ALIGN', (0, 0), (-1, -1), 'LEFT'), ('ALIGN', (0, 0), (-1, -1), 'LEFT'),
('VALIGN', (0, 0), (-1, -1), 'TOP'), ('VALIGN', (0, 0), (-1, -1), 'TOP'),
('GRID', (0, 0), (-1, -1), 0.5, HexColor('#bdc3c7')), ('GRID', (0, 0), (-1, -1), 0.5, HexColor('#bdc3c7')),
('ROWBACKGROUNDS', (0, 1), (-1, -1), [HexColor('#ecf0f1'), HexColor('#ffffff')]), ('ROWBACKGROUNDS', (0, 1), (-1, -1), [HexColor('#ecf0f1'), HexColor('#ffffff')]),
('TOPPADDING', (0, 1), (-1, -1), 4), ('TOPPADDING', (0, 1), (-1, -1), 5),
('BOTTOMPADDING', (0, 1), (-1, -1), 4), ('BOTTOMPADDING', (0, 1), (-1, -1), 5),
('LEFTPADDING', (0, 1), (-1, -1), 3), ('LEFTPADDING', (0, 1), (-1, -1), 4),
('RIGHTPADDING', (0, 1), (-1, -1), 3), ('RIGHTPADDING', (0, 1), (-1, -1), 4),
('ALIGN', (0, 1), (0, -1), 'CENTER'),
('ALIGN', (1, 1), (1, -1), 'CENTER'),
('ALIGN', (-1, 1), (-1, -1), 'LEFT'),
])) ]))
story.append(events_table) story.append(events_table)
story.append(Paragraph(
"Hinweis: Zeitangaben sind auf Minuten gerundet; Hashwerte werden aus Platzgründen gekürzt dargestellt.",
ParagraphStyle(
'TableHint',
parent=styles['Normal'],
fontSize=7.5,
leading=9,
textColor=HexColor('#6b7280'),
alignment=TA_LEFT,
spaceBefore=4,
)
))
story.append(Spacer(1, 0.2 * cm)) story.append(Spacer(1, 0.2 * cm))
def _add_mismatches(self, story, mismatches): def _add_mismatches(self, story, mismatches):