SLM dashboard rework, diagnostics and command pages added

backend/routers/slm_dashboard.py

@@ -6,7 +6,7 @@ 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 fastapi.responses import HTMLResponse, JSONResponse
 from sqlalchemy.orm import Session
 from sqlalchemy import func
 from datetime import datetime, timedelta
@@ -60,14 +60,20 @@ async def get_slm_stats(request: Request, db: Session = Depends(get_db)):
 async def get_slm_units(
     request: Request,
     db: Session = Depends(get_db),
-    search: str = Query(None)
+    search: str = Query(None),
+    project: str = Query(None)
 ):
     """
     Get list of SLM units for the sidebar.
     Returns HTML partial with unit cards.
+    Supports filtering by search term and project.
     """
     query = db.query(RosterUnit).filter_by(device_type="sound_level_meter")
 
+    # Filter by project if provided
+    if project:
+        query = query.filter(RosterUnit.project_id == project)
+
     # Filter by search term if provided
     if search:
         search_term = f"%{search}%"
@@ -326,3 +332,55 @@ async def test_modem_connection(modem_id: str, db: Session = Depends(get_db)):
             "modem_id": modem_id,
             "detail": str(e)
         }
+
+
+@router.get("/diagnostics/{unit_id}", response_class=HTMLResponse)
+async def get_diagnostics(request: Request, unit_id: str, db: Session = Depends(get_db)):
+    """
+    Get compact diagnostics card for a specific SLM unit.
+    Returns HTML partial with key metrics only.
+    """
+    unit = db.query(RosterUnit).filter_by(id=unit_id, device_type="sound_level_meter").first()
+
+    if not unit:
+        return HTMLResponse(
+            content='<div class="p-6 text-center text-red-600">Unit not found</div>',
+            status_code=404
+        )
+
+    # Get modem info
+    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:
+            # Try modem_rx_host first (if it exists), then fall back to ip_address
+            modem_ip = getattr(modem, 'modem_rx_host', None) or modem.ip_address
+    elif unit.slm_host:
+        modem_ip = unit.slm_host
+
+    return templates.TemplateResponse("partials/slm_diagnostics_card.html", {
+        "request": request,
+        "unit": unit,
+        "modem": modem,
+        "modem_ip": modem_ip
+    })
+
+
+@router.get("/projects")
+async def get_projects(db: Session = Depends(get_db)):
+    """
+    Get list of unique projects from deployed SLMs.
+    Returns JSON array of project names.
+    """
+    projects = db.query(RosterUnit.project_id).filter(
+        RosterUnit.device_type == "sound_level_meter",
+        RosterUnit.deployed == True,
+        RosterUnit.retired == False,
+        RosterUnit.project_id.isnot(None)
+    ).distinct().order_by(RosterUnit.project_id).all()
+
+    # Extract project names from query result tuples
+    project_list = [p[0] for p in projects if p[0]]
+
+    return JSONResponse(content={"projects": project_list})