feat: add bgp observability and admin ui improvements

backend/app/api/v1/bgp.py

@@ -0,0 +1,182 @@
+from datetime import datetime
+from typing import Optional
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy import func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.security import get_current_user
+from app.db.session import get_db
+from app.models.bgp_anomaly import BGPAnomaly
+from app.models.collected_data import CollectedData
+from app.models.user import User
+
+router = APIRouter()
+
+BGP_SOURCES = ("ris_live_bgp", "bgpstream_bgp")
+
+
+def _parse_dt(value: Optional[str]) -> Optional[datetime]:
+    if not value:
+        return None
+    return datetime.fromisoformat(value.replace("Z", "+00:00"))
+
+
+def _matches_time(value: Optional[datetime], time_from: Optional[datetime], time_to: Optional[datetime]) -> bool:
+    if value is None:
+        return False
+    if time_from and value < time_from:
+        return False
+    if time_to and value > time_to:
+        return False
+    return True
+
+
+@router.get("/events")
+async def list_bgp_events(
+    prefix: Optional[str] = Query(None),
+    origin_asn: Optional[int] = Query(None),
+    peer_asn: Optional[int] = Query(None),
+    collector: Optional[str] = Query(None),
+    event_type: Optional[str] = Query(None),
+    source: Optional[str] = Query(None),
+    time_from: Optional[str] = Query(None),
+    time_to: Optional[str] = Query(None),
+    page: int = Query(1, ge=1),
+    page_size: int = Query(50, ge=1, le=200),
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    stmt = (
+        select(CollectedData)
+        .where(CollectedData.source.in_(BGP_SOURCES))
+        .order_by(CollectedData.reference_date.desc().nullslast(), CollectedData.id.desc())
+    )
+    if source:
+        stmt = stmt.where(CollectedData.source == source)
+
+    result = await db.execute(stmt)
+    records = result.scalars().all()
+    dt_from = _parse_dt(time_from)
+    dt_to = _parse_dt(time_to)
+
+    filtered = []
+    for record in records:
+        metadata = record.extra_data or {}
+        if prefix and metadata.get("prefix") != prefix:
+            continue
+        if origin_asn is not None and metadata.get("origin_asn") != origin_asn:
+            continue
+        if peer_asn is not None and metadata.get("peer_asn") != peer_asn:
+            continue
+        if collector and metadata.get("collector") != collector:
+            continue
+        if event_type and metadata.get("event_type") != event_type:
+            continue
+        if (dt_from or dt_to) and not _matches_time(record.reference_date, dt_from, dt_to):
+            continue
+        filtered.append(record)
+
+    offset = (page - 1) * page_size
+    return {
+        "total": len(filtered),
+        "page": page,
+        "page_size": page_size,
+        "data": [record.to_dict() for record in filtered[offset : offset + page_size]],
+    }
+
+
+@router.get("/events/{event_id}")
+async def get_bgp_event(
+    event_id: int,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    record = await db.get(CollectedData, event_id)
+    if not record or record.source not in BGP_SOURCES:
+        raise HTTPException(status_code=404, detail="BGP event not found")
+    return record.to_dict()
+
+
+@router.get("/anomalies")
+async def list_bgp_anomalies(
+    severity: Optional[str] = Query(None),
+    anomaly_type: Optional[str] = Query(None),
+    status: Optional[str] = Query(None),
+    prefix: Optional[str] = Query(None),
+    origin_asn: Optional[int] = Query(None),
+    time_from: Optional[str] = Query(None),
+    time_to: Optional[str] = Query(None),
+    page: int = Query(1, ge=1),
+    page_size: int = Query(50, ge=1, le=200),
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    stmt = select(BGPAnomaly).order_by(BGPAnomaly.created_at.desc(), BGPAnomaly.id.desc())
+    if severity:
+        stmt = stmt.where(BGPAnomaly.severity == severity)
+    if anomaly_type:
+        stmt = stmt.where(BGPAnomaly.anomaly_type == anomaly_type)
+    if status:
+        stmt = stmt.where(BGPAnomaly.status == status)
+    if prefix:
+        stmt = stmt.where(BGPAnomaly.prefix == prefix)
+    if origin_asn is not None:
+        stmt = stmt.where(BGPAnomaly.origin_asn == origin_asn)
+
+    result = await db.execute(stmt)
+    records = result.scalars().all()
+    dt_from = _parse_dt(time_from)
+    dt_to = _parse_dt(time_to)
+    if dt_from or dt_to:
+        records = [record for record in records if _matches_time(record.created_at, dt_from, dt_to)]
+
+    offset = (page - 1) * page_size
+    return {
+        "total": len(records),
+        "page": page,
+        "page_size": page_size,
+        "data": [record.to_dict() for record in records[offset : offset + page_size]],
+    }
+
+
+@router.get("/anomalies/summary")
+async def get_bgp_anomaly_summary(
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    total_result = await db.execute(select(func.count(BGPAnomaly.id)))
+    type_result = await db.execute(
+        select(BGPAnomaly.anomaly_type, func.count(BGPAnomaly.id))
+        .group_by(BGPAnomaly.anomaly_type)
+        .order_by(func.count(BGPAnomaly.id).desc())
+    )
+    severity_result = await db.execute(
+        select(BGPAnomaly.severity, func.count(BGPAnomaly.id))
+        .group_by(BGPAnomaly.severity)
+        .order_by(func.count(BGPAnomaly.id).desc())
+    )
+    status_result = await db.execute(
+        select(BGPAnomaly.status, func.count(BGPAnomaly.id))
+        .group_by(BGPAnomaly.status)
+        .order_by(func.count(BGPAnomaly.id).desc())
+    )
+
+    return {
+        "total": total_result.scalar() or 0,
+        "by_type": {row[0]: row[1] for row in type_result.fetchall()},
+        "by_severity": {row[0]: row[1] for row in severity_result.fetchall()},
+        "by_status": {row[0]: row[1] for row in status_result.fetchall()},
+    }
+
+
+@router.get("/anomalies/{anomaly_id}")
+async def get_bgp_anomaly(
+    anomaly_id: int,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    record = await db.get(BGPAnomaly, anomaly_id)
+    if not record:
+        raise HTTPException(status_code=404, detail="BGP anomaly not found")
+    return record.to_dict()