Files
terra-view/backend/routers/alerts.py
serversdwn 8431784708 feat: Refactor template handling, improve scheduler functions, and add timezone utilities
- Moved Jinja2 template setup to a shared configuration file (templates_config.py) for consistent usage across routers.
- Introduced timezone utilities in a new module (timezone.py) to handle UTC to local time conversions and formatting.
- Updated all relevant routers to use the new shared template configuration and timezone filters.
- Enhanced templates to utilize local time formatting for various datetime fields, improving user experience with timezone awareness.
2026-01-23 06:05:39 +00:00

327 lines
9.3 KiB
Python

"""
Alerts Router
API endpoints for managing in-app alerts.
"""
from fastapi import APIRouter, Request, Depends, HTTPException, Query
from fastapi.responses import HTMLResponse, JSONResponse
from sqlalchemy.orm import Session
from typing import Optional
from datetime import datetime, timedelta
from backend.database import get_db
from backend.models import Alert, RosterUnit
from backend.services.alert_service import get_alert_service
from backend.templates_config import templates
router = APIRouter(prefix="/api/alerts", tags=["alerts"])
# ============================================================================
# Alert List and Count
# ============================================================================
@router.get("/")
async def list_alerts(
db: Session = Depends(get_db),
status: Optional[str] = Query(None, description="Filter by status: active, acknowledged, resolved, dismissed"),
project_id: Optional[str] = Query(None),
unit_id: Optional[str] = Query(None),
alert_type: Optional[str] = Query(None, description="Filter by type: device_offline, device_online, schedule_failed"),
limit: int = Query(50, le=100),
offset: int = Query(0, ge=0),
):
"""
List alerts with optional filters.
"""
alert_service = get_alert_service(db)
alerts = alert_service.get_all_alerts(
status=status,
project_id=project_id,
unit_id=unit_id,
alert_type=alert_type,
limit=limit,
offset=offset,
)
return {
"alerts": [
{
"id": a.id,
"alert_type": a.alert_type,
"severity": a.severity,
"title": a.title,
"message": a.message,
"status": a.status,
"unit_id": a.unit_id,
"project_id": a.project_id,
"location_id": a.location_id,
"created_at": a.created_at.isoformat() if a.created_at else None,
"acknowledged_at": a.acknowledged_at.isoformat() if a.acknowledged_at else None,
"resolved_at": a.resolved_at.isoformat() if a.resolved_at else None,
}
for a in alerts
],
"count": len(alerts),
"limit": limit,
"offset": offset,
}
@router.get("/active")
async def list_active_alerts(
db: Session = Depends(get_db),
project_id: Optional[str] = Query(None),
unit_id: Optional[str] = Query(None),
alert_type: Optional[str] = Query(None),
min_severity: Optional[str] = Query(None, description="Minimum severity: info, warning, critical"),
limit: int = Query(50, le=100),
):
"""
List only active alerts.
"""
alert_service = get_alert_service(db)
alerts = alert_service.get_active_alerts(
project_id=project_id,
unit_id=unit_id,
alert_type=alert_type,
min_severity=min_severity,
limit=limit,
)
return {
"alerts": [
{
"id": a.id,
"alert_type": a.alert_type,
"severity": a.severity,
"title": a.title,
"message": a.message,
"unit_id": a.unit_id,
"project_id": a.project_id,
"created_at": a.created_at.isoformat() if a.created_at else None,
}
for a in alerts
],
"count": len(alerts),
}
@router.get("/active/count")
async def get_active_alert_count(db: Session = Depends(get_db)):
"""
Get count of active alerts (for navbar badge).
"""
alert_service = get_alert_service(db)
count = alert_service.get_active_alert_count()
return {"count": count}
# ============================================================================
# Single Alert Operations
# ============================================================================
@router.get("/{alert_id}")
async def get_alert(
alert_id: str,
db: Session = Depends(get_db),
):
"""
Get a specific alert.
"""
alert = db.query(Alert).filter_by(id=alert_id).first()
if not alert:
raise HTTPException(status_code=404, detail="Alert not found")
# Get related unit info
unit = None
if alert.unit_id:
unit = db.query(RosterUnit).filter_by(id=alert.unit_id).first()
return {
"id": alert.id,
"alert_type": alert.alert_type,
"severity": alert.severity,
"title": alert.title,
"message": alert.message,
"metadata": alert.alert_metadata,
"status": alert.status,
"unit_id": alert.unit_id,
"unit_name": unit.id if unit else None,
"project_id": alert.project_id,
"location_id": alert.location_id,
"schedule_id": alert.schedule_id,
"created_at": alert.created_at.isoformat() if alert.created_at else None,
"acknowledged_at": alert.acknowledged_at.isoformat() if alert.acknowledged_at else None,
"resolved_at": alert.resolved_at.isoformat() if alert.resolved_at else None,
"expires_at": alert.expires_at.isoformat() if alert.expires_at else None,
}
@router.post("/{alert_id}/acknowledge")
async def acknowledge_alert(
alert_id: str,
db: Session = Depends(get_db),
):
"""
Mark alert as acknowledged.
"""
alert_service = get_alert_service(db)
alert = alert_service.acknowledge_alert(alert_id)
if not alert:
raise HTTPException(status_code=404, detail="Alert not found")
return {
"success": True,
"alert_id": alert.id,
"status": alert.status,
}
@router.post("/{alert_id}/dismiss")
async def dismiss_alert(
alert_id: str,
db: Session = Depends(get_db),
):
"""
Dismiss alert.
"""
alert_service = get_alert_service(db)
alert = alert_service.dismiss_alert(alert_id)
if not alert:
raise HTTPException(status_code=404, detail="Alert not found")
return {
"success": True,
"alert_id": alert.id,
"status": alert.status,
}
@router.post("/{alert_id}/resolve")
async def resolve_alert(
alert_id: str,
db: Session = Depends(get_db),
):
"""
Manually resolve an alert.
"""
alert_service = get_alert_service(db)
alert = alert_service.resolve_alert(alert_id)
if not alert:
raise HTTPException(status_code=404, detail="Alert not found")
return {
"success": True,
"alert_id": alert.id,
"status": alert.status,
}
# ============================================================================
# HTML Partials for HTMX
# ============================================================================
@router.get("/partials/dropdown", response_class=HTMLResponse)
async def get_alert_dropdown(
request: Request,
db: Session = Depends(get_db),
):
"""
Return HTML partial for alert dropdown in navbar.
"""
alert_service = get_alert_service(db)
alerts = alert_service.get_active_alerts(limit=10)
# Calculate relative time for each alert
now = datetime.utcnow()
alerts_data = []
for alert in alerts:
delta = now - alert.created_at
if delta.days > 0:
time_ago = f"{delta.days}d ago"
elif delta.seconds >= 3600:
time_ago = f"{delta.seconds // 3600}h ago"
elif delta.seconds >= 60:
time_ago = f"{delta.seconds // 60}m ago"
else:
time_ago = "just now"
alerts_data.append({
"alert": alert,
"time_ago": time_ago,
})
return templates.TemplateResponse("partials/alerts/alert_dropdown.html", {
"request": request,
"alerts": alerts_data,
"total_count": alert_service.get_active_alert_count(),
})
@router.get("/partials/list", response_class=HTMLResponse)
async def get_alert_list(
request: Request,
db: Session = Depends(get_db),
status: Optional[str] = Query(None),
limit: int = Query(20),
):
"""
Return HTML partial for alert list page.
"""
alert_service = get_alert_service(db)
if status:
alerts = alert_service.get_all_alerts(status=status, limit=limit)
else:
alerts = alert_service.get_all_alerts(limit=limit)
# Calculate relative time for each alert
now = datetime.utcnow()
alerts_data = []
for alert in alerts:
delta = now - alert.created_at
if delta.days > 0:
time_ago = f"{delta.days}d ago"
elif delta.seconds >= 3600:
time_ago = f"{delta.seconds // 3600}h ago"
elif delta.seconds >= 60:
time_ago = f"{delta.seconds // 60}m ago"
else:
time_ago = "just now"
alerts_data.append({
"alert": alert,
"time_ago": time_ago,
})
return templates.TemplateResponse("partials/alerts/alert_list.html", {
"request": request,
"alerts": alerts_data,
"status_filter": status,
})
# ============================================================================
# Cleanup
# ============================================================================
@router.post("/cleanup-expired")
async def cleanup_expired_alerts(db: Session = Depends(get_db)):
"""
Cleanup expired alerts (admin/maintenance endpoint).
"""
alert_service = get_alert_service(db)
count = alert_service.cleanup_expired_alerts()
return {
"success": True,
"cleaned_up": count,
}