98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
from app.sample_models import SpreadsheetModel, SpreadsheetResponse
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from fastapi import APIRouter, UploadFile, File, HTTPException
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import logging
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from app.services.spreadsheet_service import SampleSpreadsheetImporter, SpreadsheetImportError
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from fastapi.responses import FileResponse
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import os
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from pydantic import ValidationError # Import ValidationError here
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router = APIRouter()
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logger = logging.getLogger(__name__)
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@router.get("/download-template", response_class=FileResponse)
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async def download_template():
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"""Serve a template file for spreadsheet upload."""
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current_dir = os.path.dirname(__file__)
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template_path = os.path.join(current_dir, "../../downloads/V7_TELLSamplesSpreadsheetTemplate.xlsx")
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if not os.path.exists(template_path):
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raise HTTPException(status_code=404, detail="Template file not found.")
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return FileResponse(template_path, filename="template.xlsx",
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media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
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@router.post("/upload", response_model=SpreadsheetResponse)
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async def upload_file(file: UploadFile = File(...)):
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"""Process the uploaded spreadsheet and return validation results."""
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try:
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logger.info(f"Received file: {file.filename}")
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# Validate file format
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if not file.filename.endswith('.xlsx'):
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logger.error("Invalid file format")
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raise HTTPException(status_code=400, detail="Invalid file format. Please upload an .xlsx file.")
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# Initialize the importer and process the spreadsheet
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importer = SampleSpreadsheetImporter()
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validated_model, errors, raw_data, headers = importer.import_spreadsheet_with_errors(file)
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# Extract unique values for dewars, pucks, and samples
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dewars = {sample.dewarname for sample in validated_model if sample.dewarname}
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pucks = {sample.puckname for sample in validated_model if sample.puckname}
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samples = {sample.crystalname for sample in validated_model if sample.crystalname}
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# Construct the response model with the processed data
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response_data = SpreadsheetResponse(
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data=validated_model,
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errors=errors,
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raw_data=raw_data,
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dewars_count=len(dewars),
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dewars=list(dewars),
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pucks_count=len(pucks),
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pucks=list(pucks),
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samples_count=len(samples),
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samples=list(samples),
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headers=headers # Include headers in the response
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)
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logger.info(f"Returning response with {len(validated_model)} records and {len(errors)} errors.")
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return response_data
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except SpreadsheetImportError as e:
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logger.error(f"Spreadsheet import error: {str(e)}")
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raise HTTPException(status_code=400, detail=f"Error processing spreadsheet: {str(e)}")
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except Exception as e:
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logger.error(f"Unexpected error occurred: {str(e)}")
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raise HTTPException(status_code=500, detail=f"Failed to upload file. Please try again. Error: {str(e)}")
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@router.post("/validate-cell")
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async def validate_cell(data: dict):
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"""Validate a single cell value based on expected column type."""
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row_num = data.get("row")
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col_name = data.get("column")
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value = data.get("value")
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importer = SampleSpreadsheetImporter()
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# Ensure we've cleaned the value before validation
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expected_type = importer.get_expected_type(col_name)
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cleaned_value = importer._clean_value(value, expected_type)
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logger.info(f"Validating cell: row {row_num}, column {col_name}, value {cleaned_value}")
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try:
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# Construct a dictionary with the expected format for validation
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validation_data = {col_name: cleaned_value}
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SpreadsheetModel(**validation_data)
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logger.info(f"Validation succeeded for row {row_num}, column {col_name}")
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return {"is_valid": True, "message": ""}
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except ValidationError as e:
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# Extract the first error message
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message = e.errors()[0]['msg']
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logger.error(f"Validation failed for row {row_num}, column {col_name}: {message}")
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return {"is_valid": False, "message": message} |