aaredb/backend/app/routers/spreadsheet.py
2024-11-07 10:10:53 +01:00

61 lines
2.6 KiB
Python

from app.sample_models import SpreadsheetModel, SpreadsheetResponse
from fastapi import APIRouter, UploadFile, File, HTTPException
import logging
from app.services.spreadsheet_service import SampleSpreadsheetImporter, SpreadsheetImportError
from fastapi.responses import FileResponse
import os
router = APIRouter()
logger = logging.getLogger(__name__)
@router.get("/download-template", response_class=FileResponse)
async def download_template():
# No changes here; just serves a static file
current_dir = os.path.dirname(__file__)
template_path = os.path.join(current_dir, "../../downloads/V7_TELLSamplesSpreadsheetTemplate.xlsx")
if not os.path.exists(template_path):
raise HTTPException(status_code=404, detail="Template file not found.")
return FileResponse(template_path, filename="template.xlsx",
media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
@router.post("/upload", response_model=SpreadsheetResponse)
async def upload_file(file: UploadFile = File(...)):
try:
logger.info(f"Received file: {file.filename}")
# Validate file type
if not file.filename.endswith('.xlsx'):
logger.error("Invalid file format")
raise HTTPException(status_code=400, detail="Invalid file format. Please upload an .xlsx file.")
# Process spreadsheet
importer = SampleSpreadsheetImporter()
validated_model, errors, raw_data = importer.import_spreadsheet_with_errors(file)
# Collect dewar, puck, and sample names
dewars = {sample.dewarname for sample in validated_model if sample.dewarname}
pucks = {sample.puckname for sample in validated_model if sample.puckname}
samples = {sample.crystalname for sample in validated_model if sample.crystalname}
# Construct response data
response_data = SpreadsheetResponse(
data=validated_model,
errors=errors,
raw_data=raw_data,
dewars_count=len(dewars),
dewars=list(dewars),
pucks_count=len(pucks),
pucks=list(pucks),
samples_count=len(samples),
samples=list(samples)
)
logger.info(f"Returning response: {response_data.dict()}")
return response_data
except SpreadsheetImportError as e:
logger.error(f"Spreadsheet import error: {str(e)}")
raise HTTPException(status_code=400, detail=str(e))
except Exception as e:
logger.error(f"Failed to process file: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to upload file. Please try again. {str(e)}")