mirror of
https://github.com/Sea-Haven-Industries/procurement-ingest.git
synced 2026-09-30 15:23:13 +00:00
Adam Moussa
e97e740c5a
The po-web-ui and workorder-web-ui handlers had no auth: any invocation path returned the full PO/WO DB. Add a fail-closed shared-secret gate (X-Auth-Token / Bearer, constant-time compared to WEB_UI_AUTH_TOKEN) so a future re-attached Function URL cannot re-expose the data (URLs removed under INFRA-74). Wire the token from the SSM String param /procurement-ingest/web-ui-auth-token. Also fix stored XSS in po-web-ui fmt_currency: the non-numeric fallback returned str(val) unescaped, so a prompt-injected email could make Claude emit total_amount as <script>. Escape it. Refs: INFRA-74
297 lines
11 KiB
Python
297 lines
11 KiB
Python
"""
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Web UI Lambda.
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Serves a simple HTML dashboard for viewing work orders and comments.
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Accessed via Lambda Function URL.
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"""
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import hmac
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import json
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import os
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from html import escape as esc
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import boto3
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dynamodb = boto3.resource("dynamodb")
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WORK_ORDERS_TABLE = os.environ.get("WORK_ORDERS_TABLE", "WorkOrders")
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COMMENTS_TABLE = os.environ.get("COMMENTS_TABLE", "WorkOrderComments")
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# Defense-in-depth auth gate. The public Function URL was removed (INFRA-74), but
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# the handler must still refuse unauthenticated requests so any future invocation
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# path does not re-expose the whole WO DB. Callers must present the shared secret
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# in the X-Auth-Token header (or Authorization: Bearer <token>). The secret is
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# supplied via the WEB_UI_AUTH_TOKEN env var (wire to Secrets Manager / SSM at
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# deploy time). If it is unset, the handler fails closed and denies every request.
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WEB_UI_AUTH_TOKEN = os.environ.get("WEB_UI_AUTH_TOKEN")
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def _header(event: dict, name: str) -> str:
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"""Case-insensitive header lookup from a Lambda Function URL / APIGW event."""
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headers = event.get("headers") or {}
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name_lower = name.lower()
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for key, value in headers.items():
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if key.lower() == name_lower:
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return value or ""
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return ""
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def is_authenticated(event: dict) -> bool:
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"""Constant-time check of the request's shared secret against the configured
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token. Fails closed when no token is configured."""
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if not WEB_UI_AUTH_TOKEN:
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return False
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presented = _header(event, "x-auth-token")
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if not presented:
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auth = _header(event, "authorization")
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if auth.lower().startswith("bearer "):
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presented = auth[7:].strip()
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if not presented:
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return False
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return hmac.compare_digest(presented, WEB_UI_AUTH_TOKEN)
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def get_work_orders(limit=500):
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table = dynamodb.Table(WORK_ORDERS_TABLE)
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items = []
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response = table.scan()
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items.extend(response.get("Items", []))
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while "LastEvaluatedKey" in response:
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response = table.scan(ExclusiveStartKey=response["LastEvaluatedKey"])
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items.extend(response.get("Items", []))
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items.sort(key=lambda x: x.get("updated_at", ""), reverse=True)
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return items[:limit]
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def get_comments(work_order_id):
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table = dynamodb.Table(COMMENTS_TABLE)
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items = []
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kwargs = {
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"KeyConditionExpression": "work_order_id = :woid",
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"ExpressionAttributeValues": {":woid": work_order_id},
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}
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response = table.query(**kwargs)
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items.extend(response.get("Items", []))
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while "LastEvaluatedKey" in response:
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response = table.query(**kwargs, ExclusiveStartKey=response["LastEvaluatedKey"])
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items.extend(response.get("Items", []))
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items.sort(key=lambda x: x.get("created_at", ""), reverse=True)
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return items
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def render_badge(value, color_map):
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if not value:
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value = "unknown"
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color = color_map.get(value.lower(), "#9ca3af")
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label = esc(value.replace("_", " ").title())
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return f'<span style="background:{color};color:#fff;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500;">{label}</span>'
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STATUS_COLORS = {
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"new": "#3b82f6",
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"assigned": "#8b5cf6",
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"in_progress": "#f59e0b",
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"on_hold": "#6b7280",
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"completed": "#10b981",
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"cancelled": "#ef4444",
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"unknown": "#9ca3af",
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}
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RECORD_TYPE_COLORS = {
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"new_work_order": "#3b82f6",
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"comment": "#8b5cf6",
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"update": "#f59e0b",
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"cancellation": "#ef4444",
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"unknown": "#9ca3af",
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}
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def render_work_order_detail(wo, events):
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events_html = ""
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if events:
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for e in events:
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record_type = e.get("record_type", "unknown")
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commenter = esc(e.get("commenter", ""))
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created = esc(e.get("created_at", ""))
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text = esc(e.get("text", ""))
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badge = render_badge(record_type, RECORD_TYPE_COLORS)
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commenter_str = (
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f"<strong>{commenter}</strong> — " if commenter else ""
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)
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border_colors = {
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"new_work_order": "#3b82f6",
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"comment": "#8b5cf6",
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"update": "#f59e0b",
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"cancellation": "#ef4444",
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}
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border = border_colors.get(record_type, "#94a3b8")
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events_html += f"""
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<div style="border-left:3px solid {border};padding:8px 12px;margin-bottom:10px;background:#f8fafc;border-radius:0 6px 6px 0;">
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<div style="font-size:12px;color:#64748b;margin-bottom:4px;">
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{badge} {commenter_str}{created}
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</div>
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{"<div style='font-size:14px;color:#1e293b;margin-top:6px;'>" + text + "</div>" if text else ""}
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</div>"""
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else:
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events_html = '<p style="color:#94a3b8;font-style:italic;">No events yet.</p>'
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wo_id = esc(wo.get("work_order_id", ""))
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fields = [
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("Description", esc(wo.get("description", "")) or None),
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("Status", render_badge(wo.get("wo_status", "unknown"), STATUS_COLORS)),
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(
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"Record Type",
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render_badge(wo.get("record_type", "unknown"), RECORD_TYPE_COLORS),
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),
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("Site Code", esc(wo.get("site_code", "")) or None),
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("Building", esc(wo.get("building", "")) or None),
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("Address", esc(wo.get("address", "")) or None),
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("Severity", esc(wo.get("severity", "")) or None),
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("Priority", esc(wo.get("priority", "")) or None),
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("Due Date", esc(wo.get("due_date", "")) or None),
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("Date Reported", esc(wo.get("date_reported", "")) or None),
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("Scheduled Start", esc(wo.get("scheduled_start", "")) or None),
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("Assigned To", esc(wo.get("assigned_to", "")) or None),
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("Created", esc(wo.get("created_at", "")) or None),
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("Last Updated", esc(wo.get("updated_at", "")) or None),
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]
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details_html = ""
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for label, value in fields:
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if value:
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details_html += f"""
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<div style="display:flex;padding:8px 0;border-bottom:1px solid #f1f5f9;">
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<div style="width:140px;font-size:13px;color:#64748b;font-weight:500;">{label}</div>
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<div style="flex:1;font-size:14px;color:#1e293b;">{value}</div>
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</div>"""
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return f"""<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>WO {wo_id} - Sea Haven</title>
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<style>
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* {{ margin: 0; padding: 0; box-sizing: border-box; }}
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body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f1f5f9; color: #1e293b; }}
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</style>
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</head>
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<body>
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<div style="max-width:800px;margin:0 auto;padding:20px;">
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<div style="margin-bottom:20px;">
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<a href="/" style="color:#3b82f6;text-decoration:none;font-size:14px;">← All Work Orders</a>
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</div>
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<div style="background:#fff;border-radius:10px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,0.08);margin-bottom:20px;">
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<h1 style="font-size:20px;margin-bottom:16px;">Work Order {wo_id}</h1>
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{details_html}
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</div>
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<div style="background:#fff;border-radius:10px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,0.08);">
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<h2 style="font-size:16px;margin-bottom:16px;">Events ({len(events)})</h2>
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{events_html}
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</div>
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</div>
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</body>
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</html>"""
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def render_work_orders_list(work_orders):
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rows = ""
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for wo in work_orders:
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wo_id = esc(wo.get("work_order_id", ""))
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desc = esc(wo.get("description", ""))
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site = esc(wo.get("site_code", ""))
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status = wo.get("wo_status", "unknown")
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record_type = wo.get("record_type", "unknown")
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due = esc(wo.get("due_date", ""))
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updated = esc((wo.get("updated_at") or "")[:16])
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rows += f"""
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<tr style="border-bottom:1px solid #f1f5f9;cursor:pointer;" onclick="window.location={esc(json.dumps(f"/wo?id={wo.get("work_order_id", "")}"), quote=True)}">
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<td style="padding:12px;font-weight:500;color:#3b82f6;">{wo_id}</td>
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<td style="padding:12px;max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;">{desc}</td>
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<td style="padding:12px;">{site}</td>
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<td style="padding:12px;">{render_badge(record_type, RECORD_TYPE_COLORS)}</td>
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<td style="padding:12px;">{render_badge(status, STATUS_COLORS)}</td>
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<td style="padding:12px;">{due}</td>
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<td style="padding:12px;color:#64748b;font-size:13px;">{updated}</td>
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</tr>"""
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return f"""<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Work Orders - Sea Haven</title>
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<style>
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* {{ margin: 0; padding: 0; box-sizing: border-box; }}
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body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f1f5f9; color: #1e293b; }}
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table {{ width: 100%; border-collapse: collapse; }}
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tr:hover {{ background: #f8fafc; }}
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th {{ text-align: left; padding: 12px; font-size: 12px; text-transform: uppercase; color: #64748b; border-bottom: 2px solid #e2e8f0; }}
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</style>
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</head>
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<body>
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<div style="max-width:1100px;margin:0 auto;padding:20px;">
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<div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;">
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<h1 style="font-size:22px;">Work Orders</h1>
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<span style="color:#64748b;font-size:14px;">{len(work_orders)} total</span>
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</div>
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<div style="background:#fff;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,0.08);overflow:hidden;">
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<table>
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<thead>
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<tr>
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<th>WO #</th>
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<th>Description</th>
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<th>Site</th>
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<th>Last Action</th>
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<th>Status</th>
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<th>Due Date</th>
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<th>Updated</th>
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</tr>
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</thead>
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<tbody>
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{rows if rows else '<tr><td colspan="7" style="padding:40px;text-align:center;color:#94a3b8;">No work orders yet.</td></tr>'}
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</tbody>
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</table>
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</div>
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</div>
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</body>
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</html>"""
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def handler(event, context):
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if not is_authenticated(event):
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return {
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"statusCode": 401,
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"headers": {"Content-Type": "text/html"},
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"body": "<h1>401 Unauthorized</h1>",
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}
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path = event.get("rawPath", "/")
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qs = event.get("queryStringParameters") or {}
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if path == "/wo" and "id" in qs:
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wo_id = qs["id"]
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# Get work order
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table = dynamodb.Table(WORK_ORDERS_TABLE)
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result = table.get_item(Key={"work_order_id": wo_id})
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wo = result.get("Item")
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if not wo:
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return {
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"statusCode": 404,
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"headers": {"Content-Type": "text/html"},
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"body": "<h1>Work order not found</h1>",
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}
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events = get_comments(wo_id)
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html = render_work_order_detail(wo, events)
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else:
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work_orders = get_work_orders()
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html = render_work_orders_list(work_orders)
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return {
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"statusCode": 200,
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"headers": {"Content-Type": "text/html"},
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"body": html,
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}
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