f7d5aec4ec
- Service queries router_config_changes JOIN router_config_diffs for timeline - Returns paginated entries with component, summary, timestamp, diff metadata - ORDER BY created_at DESC with limit/offset pagination - 4 tests covering formatting, empty results, pagination, and ordering Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
"""Config history timeline service.
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Provides paginated query of config change entries for a device,
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joining router_config_changes with router_config_diffs to include
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diff metadata (lines_added, lines_removed, snapshot_id).
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"""
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import logging
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from sqlalchemy import text
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logger = logging.getLogger(__name__)
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async def get_config_history(
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device_id: str,
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tenant_id: str,
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session,
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limit: int = 50,
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offset: int = 0,
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) -> list[dict]:
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"""Return paginated config change timeline for a device.
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Joins router_config_changes with router_config_diffs to get
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diff metadata alongside each change entry. Results are ordered
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by created_at DESC (newest first).
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Returns a list of dicts with: id, component, summary, created_at,
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diff_id, lines_added, lines_removed, snapshot_id.
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"""
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result = await session.execute(
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text(
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"SELECT c.id, c.component, c.summary, c.created_at, "
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"d.id AS diff_id, d.lines_added, d.lines_removed, "
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"d.new_snapshot_id AS snapshot_id "
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"FROM router_config_changes c "
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"JOIN router_config_diffs d ON c.diff_id = d.id "
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"WHERE c.device_id = CAST(:device_id AS uuid) "
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"AND c.tenant_id = CAST(:tenant_id AS uuid) "
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"ORDER BY c.created_at DESC "
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"LIMIT :limit OFFSET :offset"
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),
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{
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"device_id": device_id,
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"tenant_id": tenant_id,
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"limit": limit,
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"offset": offset,
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},
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)
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rows = result.fetchall()
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return [
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{
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"id": str(row._mapping["id"]),
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"component": row._mapping["component"],
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"summary": row._mapping["summary"],
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"created_at": row._mapping["created_at"].isoformat(),
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"diff_id": str(row._mapping["diff_id"]),
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"lines_added": row._mapping["lines_added"],
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"lines_removed": row._mapping["lines_removed"],
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"snapshot_id": str(row._mapping["snapshot_id"]),
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}
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for row in rows
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]
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