Feat: rnd file viewer built
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serversdwn
@@ -644,6 +644,8 @@ async def ftp_download_to_server(
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'.flac': 'audio',
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'.m4a': 'audio',
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'.aac': 'audio',
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# Sound level meter measurement files
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'.rnd': 'measurement',
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# Data files
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'.csv': 'data',
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'.txt': 'data',
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@@ -1023,6 +1025,176 @@ async def download_project_file(
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)
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@router.get("/{project_id}/files/{file_id}/view-rnd", response_class=HTMLResponse)
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async def view_rnd_file(
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request: Request,
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project_id: str,
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file_id: str,
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db: Session = Depends(get_db),
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):
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"""
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View an RND (sound level meter measurement) file.
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Returns a dedicated page with data table and charts.
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"""
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from backend.models import DataFile
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from pathlib import Path
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# Get the file record
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file_record = db.query(DataFile).filter_by(id=file_id).first()
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if not file_record:
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raise HTTPException(status_code=404, detail="File not found")
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# Verify file belongs to this project
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session = db.query(RecordingSession).filter_by(id=file_record.session_id).first()
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if not session or session.project_id != project_id:
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raise HTTPException(status_code=403, detail="File does not belong to this project")
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# Build full file path
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file_path = Path("data") / file_record.file_path
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if not file_path.exists():
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raise HTTPException(status_code=404, detail="File not found on disk")
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# Get project info
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project = db.query(Project).filter_by(id=project_id).first()
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# Get location info if available
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location = None
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if session.location_id:
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location = db.query(MonitoringLocation).filter_by(id=session.location_id).first()
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# Get unit info if available
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unit = None
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if session.unit_id:
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unit = db.query(RosterUnit).filter_by(id=session.unit_id).first()
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# Parse file metadata
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metadata = {}
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if file_record.file_metadata:
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try:
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metadata = json.loads(file_record.file_metadata)
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except json.JSONDecodeError:
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pass
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return templates.TemplateResponse("rnd_viewer.html", {
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"request": request,
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"project": project,
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"project_id": project_id,
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"file": file_record,
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"file_id": file_id,
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"session": session,
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"location": location,
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"unit": unit,
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"metadata": metadata,
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"filename": file_path.name,
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})
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@router.get("/{project_id}/files/{file_id}/rnd-data")
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async def get_rnd_data(
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project_id: str,
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file_id: str,
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db: Session = Depends(get_db),
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):
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"""
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Get parsed RND file data as JSON.
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Returns the measurement data for charts and tables.
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"""
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from backend.models import DataFile
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from pathlib import Path
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import csv
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import io
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# Get the file record
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file_record = db.query(DataFile).filter_by(id=file_id).first()
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if not file_record:
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raise HTTPException(status_code=404, detail="File not found")
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# Verify file belongs to this project
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session = db.query(RecordingSession).filter_by(id=file_record.session_id).first()
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if not session or session.project_id != project_id:
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raise HTTPException(status_code=403, detail="File does not belong to this project")
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# Build full file path
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file_path = Path("data") / file_record.file_path
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if not file_path.exists():
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raise HTTPException(status_code=404, detail="File not found on disk")
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# Read and parse the RND file
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try:
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with open(file_path, 'r', encoding='utf-8', errors='replace') as f:
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content = f.read()
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# Parse as CSV
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reader = csv.DictReader(io.StringIO(content))
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rows = []
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headers = []
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for row in reader:
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if not headers:
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headers = list(row.keys())
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# Clean up values - strip whitespace and handle special values
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cleaned_row = {}
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for key, value in row.items():
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if key: # Skip empty keys
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cleaned_key = key.strip()
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cleaned_value = value.strip() if value else ''
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# Convert numeric values
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if cleaned_value and cleaned_value not in ['-.-', '-', '']:
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try:
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cleaned_value = float(cleaned_value)
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except ValueError:
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pass
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elif cleaned_value in ['-.-', '-']:
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cleaned_value = None
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cleaned_row[cleaned_key] = cleaned_value
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rows.append(cleaned_row)
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# Detect file type (Leq vs Lp) based on columns
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file_type = 'unknown'
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if headers:
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header_str = ','.join(headers).lower()
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if 'leq' in header_str:
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file_type = 'leq' # Time-averaged data
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elif 'lp(main)' in header_str or 'lp (main)' in header_str:
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file_type = 'lp' # Instantaneous data
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# Get summary statistics
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summary = {
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"total_rows": len(rows),
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"file_type": file_type,
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"headers": [h.strip() for h in headers if h.strip()],
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}
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# Calculate min/max/avg for key metrics if available
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metrics_to_summarize = ['Leq(Main)', 'Lmax(Main)', 'Lmin(Main)', 'Lpeak(Main)', 'Lp(Main)']
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for metric in metrics_to_summarize:
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values = [row.get(metric) for row in rows if isinstance(row.get(metric), (int, float))]
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if values:
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summary[f"{metric}_min"] = min(values)
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summary[f"{metric}_max"] = max(values)
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summary[f"{metric}_avg"] = sum(values) / len(values)
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# Get time range
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if rows:
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first_time = rows[0].get('Start Time', '')
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last_time = rows[-1].get('Start Time', '')
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summary['time_start'] = first_time
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summary['time_end'] = last_time
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return {
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"success": True,
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"summary": summary,
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"headers": summary["headers"],
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"data": rows,
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}
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except Exception as e:
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logger.error(f"Error parsing RND file: {e}")
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raise HTTPException(status_code=500, detail=f"Error parsing file: {str(e)}")
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@router.get("/types/list", response_class=HTMLResponse)
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async def get_project_types(request: Request, db: Session = Depends(get_db)):
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"""
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