Files
terra-view/app/slm/routers/dashboard.py
2026-01-09 05:39:43 +00:00

329 lines
11 KiB
Python

"""
SLM Dashboard Router
Provides API endpoints for the Sound Level Meters dashboard page.
"""
from fastapi import APIRouter, Request, Depends, Query
from fastapi.templating import Jinja2Templates
from fastapi.responses import HTMLResponse
from sqlalchemy.orm import Session
from sqlalchemy import func
from datetime import datetime, timedelta
import httpx
import logging
import os
from app.seismo.database import get_db
from app.seismo.models import RosterUnit
from app.seismo.routers.roster_edit import sync_slm_to_slmm_cache
logger = logging.getLogger(__name__)
router = APIRouter(prefix="/api/slm-dashboard", tags=["slm-dashboard"])
templates = Jinja2Templates(directory="templates")
# SLMM backend URL - configurable via environment variable
SLMM_BASE_URL = os.getenv("SLMM_BASE_URL", "http://localhost:8100")
@router.get("/stats", response_class=HTMLResponse)
async def get_slm_stats(request: Request, db: Session = Depends(get_db)):
"""
Get summary statistics for SLM dashboard.
Returns HTML partial with stat cards.
"""
# Query all SLMs
all_slms = db.query(RosterUnit).filter_by(device_type="sound_level_meter").all()
# Count deployed vs benched
deployed_count = sum(1 for slm in all_slms if slm.deployed and not slm.retired)
benched_count = sum(1 for slm in all_slms if not slm.deployed and not slm.retired)
retired_count = sum(1 for slm in all_slms if slm.retired)
# Count recently active (checked in last hour)
one_hour_ago = datetime.utcnow() - timedelta(hours=1)
active_count = sum(1 for slm in all_slms
if slm.slm_last_check and slm.slm_last_check > one_hour_ago)
return templates.TemplateResponse("partials/slm_stats.html", {
"request": request,
"total_count": len(all_slms),
"deployed_count": deployed_count,
"benched_count": benched_count,
"active_count": active_count,
"retired_count": retired_count
})
@router.get("/units", response_class=HTMLResponse)
async def get_slm_units(
request: Request,
db: Session = Depends(get_db),
search: str = Query(None)
):
"""
Get list of SLM units for the sidebar.
Returns HTML partial with unit cards.
"""
query = db.query(RosterUnit).filter_by(device_type="sound_level_meter")
# Filter by search term if provided
if search:
search_term = f"%{search}%"
query = query.filter(
(RosterUnit.id.like(search_term)) |
(RosterUnit.slm_model.like(search_term)) |
(RosterUnit.address.like(search_term))
)
# Only show deployed units by default
units = query.filter_by(deployed=True, retired=False).order_by(RosterUnit.id).all()
return templates.TemplateResponse("partials/slm_unit_list.html", {
"request": request,
"units": units
})
@router.get("/live-view/{unit_id}", response_class=HTMLResponse)
async def get_live_view(request: Request, unit_id: str, db: Session = Depends(get_db)):
"""
Get live view panel for a specific SLM unit.
Returns HTML partial with live metrics and chart.
"""
# Get unit from database
unit = db.query(RosterUnit).filter_by(id=unit_id, device_type="sound_level_meter").first()
if not unit:
return templates.TemplateResponse("partials/slm_live_view_error.html", {
"request": request,
"error": f"Unit {unit_id} not found"
})
# Get modem information if assigned
modem = None
modem_ip = None
if unit.deployed_with_modem_id:
modem = db.query(RosterUnit).filter_by(id=unit.deployed_with_modem_id, device_type="modem").first()
if modem:
modem_ip = modem.ip_address
else:
logger.warning(f"SLM {unit_id} is assigned to modem {unit.deployed_with_modem_id} but modem not found")
# Fallback to direct slm_host if no modem assigned (backward compatibility)
if not modem_ip and unit.slm_host:
modem_ip = unit.slm_host
logger.info(f"Using legacy slm_host for {unit_id}: {modem_ip}")
# Try to get current status from SLMM
current_status = None
measurement_state = None
is_measuring = False
try:
async with httpx.AsyncClient(timeout=5.0) as client:
# Get measurement state
state_response = await client.get(
f"{SLMM_BASE_URL}/api/nl43/{unit_id}/measurement-state"
)
if state_response.status_code == 200:
state_data = state_response.json()
measurement_state = state_data.get("measurement_state", "Unknown")
is_measuring = state_data.get("is_measuring", False)
# Get live status
status_response = await client.get(
f"{SLMM_BASE_URL}/api/nl43/{unit_id}/live"
)
if status_response.status_code == 200:
status_data = status_response.json()
current_status = status_data.get("data", {})
except Exception as e:
logger.error(f"Failed to get status for {unit_id}: {e}")
return templates.TemplateResponse("partials/slm_live_view.html", {
"request": request,
"unit": unit,
"modem": modem,
"modem_ip": modem_ip,
"current_status": current_status,
"measurement_state": measurement_state,
"is_measuring": is_measuring
})
@router.post("/control/{unit_id}/{action}")
async def control_slm(unit_id: str, action: str):
"""
Send control commands to SLM (start, stop, pause, resume, reset).
Proxies to SLMM backend.
"""
valid_actions = ["start", "stop", "pause", "resume", "reset"]
if action not in valid_actions:
return {"status": "error", "detail": f"Invalid action. Must be one of: {valid_actions}"}
try:
async with httpx.AsyncClient(timeout=10.0) as client:
response = await client.post(
f"{SLMM_BASE_URL}/api/nl43/{unit_id}/{action}"
)
if response.status_code == 200:
return response.json()
else:
return {
"status": "error",
"detail": f"SLMM returned status {response.status_code}"
}
except Exception as e:
logger.error(f"Failed to control {unit_id}: {e}")
return {
"status": "error",
"detail": str(e)
}
@router.get("/config/{unit_id}", response_class=HTMLResponse)
async def get_slm_config(request: Request, unit_id: str, db: Session = Depends(get_db)):
"""
Get configuration form for a specific SLM unit.
Returns HTML partial with configuration form.
"""
unit = db.query(RosterUnit).filter_by(id=unit_id, device_type="sound_level_meter").first()
if not unit:
return HTMLResponse(
content=f'<div class="text-red-500">Unit {unit_id} not found</div>',
status_code=404
)
return templates.TemplateResponse("partials/slm_config_form.html", {
"request": request,
"unit": unit
})
@router.post("/config/{unit_id}")
async def save_slm_config(request: Request, unit_id: str, db: Session = Depends(get_db)):
"""
Save SLM configuration.
Updates unit parameters in the database.
"""
unit = db.query(RosterUnit).filter_by(id=unit_id, device_type="sound_level_meter").first()
if not unit:
return {"status": "error", "detail": f"Unit {unit_id} not found"}
try:
# Get form data
form_data = await request.form()
# Update SLM-specific fields
unit.slm_model = form_data.get("slm_model") or None
unit.slm_serial_number = form_data.get("slm_serial_number") or None
unit.slm_frequency_weighting = form_data.get("slm_frequency_weighting") or None
unit.slm_time_weighting = form_data.get("slm_time_weighting") or None
unit.slm_measurement_range = form_data.get("slm_measurement_range") or None
# Update network configuration
modem_id = form_data.get("deployed_with_modem_id")
unit.deployed_with_modem_id = modem_id if modem_id else None
# Always update TCP and FTP ports (used regardless of modem assignment)
unit.slm_tcp_port = int(form_data.get("slm_tcp_port")) if form_data.get("slm_tcp_port") else None
unit.slm_ftp_port = int(form_data.get("slm_ftp_port")) if form_data.get("slm_ftp_port") else None
# Only update direct IP if no modem is assigned
if not modem_id:
unit.slm_host = form_data.get("slm_host") or None
else:
# Clear legacy direct IP field when modem is assigned
unit.slm_host = None
db.commit()
logger.info(f"Updated configuration for SLM {unit_id}")
# Sync updated configuration to SLMM cache
logger.info(f"Syncing SLM {unit_id} config changes to SLMM cache...")
result = await sync_slm_to_slmm_cache(
unit_id=unit_id,
host=unit.slm_host, # Use the updated host from Terra-View
tcp_port=unit.slm_tcp_port,
ftp_port=unit.slm_ftp_port,
deployed_with_modem_id=unit.deployed_with_modem_id, # Resolve modem IP if assigned
db=db
)
if not result["success"]:
logger.warning(f"SLMM cache sync warning for {unit_id}: {result['message']}")
# Config still saved in Terra-View (source of truth)
return {"status": "success", "unit_id": unit_id}
except Exception as e:
db.rollback()
logger.error(f"Failed to save config for {unit_id}: {e}")
return {"status": "error", "detail": str(e)}
@router.get("/test-modem/{modem_id}")
async def test_modem_connection(modem_id: str, db: Session = Depends(get_db)):
"""
Test modem connectivity with a simple ping/health check.
Returns response time and connection status.
"""
import subprocess
import time
# Get modem from database
modem = db.query(RosterUnit).filter_by(id=modem_id, device_type="modem").first()
if not modem:
return {"status": "error", "detail": f"Modem {modem_id} not found"}
if not modem.ip_address:
return {"status": "error", "detail": f"Modem {modem_id} has no IP address configured"}
try:
# Ping the modem (1 packet, 2 second timeout)
start_time = time.time()
result = subprocess.run(
["ping", "-c", "1", "-W", "2", modem.ip_address],
capture_output=True,
text=True,
timeout=3
)
response_time = int((time.time() - start_time) * 1000) # Convert to milliseconds
if result.returncode == 0:
return {
"status": "success",
"modem_id": modem_id,
"ip_address": modem.ip_address,
"response_time": response_time,
"message": "Modem is responding to ping"
}
else:
return {
"status": "error",
"modem_id": modem_id,
"ip_address": modem.ip_address,
"detail": "Modem not responding to ping"
}
except subprocess.TimeoutExpired:
return {
"status": "error",
"modem_id": modem_id,
"ip_address": modem.ip_address,
"detail": "Ping timeout (> 2 seconds)"
}
except Exception as e:
logger.error(f"Failed to ping modem {modem_id}: {e}")
return {
"status": "error",
"modem_id": modem_id,
"detail": str(e)
}