Files
plantillas-proyectos/backend/api/v1/modules/a76/layouts_csv/classes/tasks.py
2026-03-04 10:11:23 -07:00

294 lines
12 KiB
Python

"""
Tareas Celery para importación CSV de Clases de Materiales.
Flujo: scan_file (validación) → insert_valid_rows (commit).
Usa layouts_csv.common (storage, normalize, csv_reader, meta, responses) y common.fk_loader, validators, mappers.
"""
import json
import logging
import os
from typing import Dict, Any, List
from core.celery_app import celery_app
from core.database import CoreSessionLocal
from ..common import storage as common_storage
from ..common import normalize as common_normalize
from ..common import csv_reader as common_csv
from ..common import meta as common_meta
from ..common import responses as common_responses
from .template_config import row_from_template
from .validators import validate_row_class, validate_row_class_partial
from .common.mappers import row_to_class_data, row_to_class_data_merge_existing
from .common.fk_loader import load_classes_fk_sets
logger = logging.getLogger(__name__)
JOB_TYPE = "cls"
# Para routes.py
CLS_IMPORT_FILE_PREFIX = "cls_import_file:"
CLS_IMPORT_META_PREFIX = "cls_import_meta:"
CLS_IMPORT_ERROR_LINES_PREFIX = "cls_import_error_lines:"
CLS_IMPORT_REDIS_TTL = common_storage.IMPORT_REDIS_TTL
@celery_app.task(bind=True)
def scan_file(self, job_id: str, config: str = None):
logger.info("Classes import: starting scan for job %s", job_id)
file_path = common_storage.ensure_file_from_redis(JOB_TYPE, job_id, "Classes import")
if not file_path:
return {"status": "failed", "error": "Archivo no encontrado (expirado o no subido). Sube de nuevo."}
common_storage.ensure_meta_from_redis(JOB_TYPE, job_id, file_path, "Classes import")
error_path = common_storage.error_path_for_job(JOB_TYPE, job_id)
try:
total_rows = common_csv.count_csv_rows(file_path)
except Exception as e:
return {"status": "failed", "error": str(e)}
try:
tenant_id, company_id = common_meta.require_tenant_context(file_path)
except ValueError as e:
return {"status": "failed", "error": str(e)}
meta = common_meta.load_meta(file_path)
actualizar = meta.get("actualizar", False)
siempre_toda = meta.get("siempre_toda", False)
valid_material_keys, valid_uom_codes = load_classes_fk_sets(tenant_id, company_id)
from api.v1.modules.a76.classes.models import Class
existing_class_codes = set()
try:
with CoreSessionLocal() as session:
for c in session.query(Class.class_code).filter(
Class.tenant_id == tenant_id,
Class.company_id == company_id,
).all():
if c[0]:
existing_class_codes.add(c[0].strip().upper())
except Exception as e:
logger.warning("Classes import: could not load existing class codes: %s", e)
error_count = 0
processed_rows = 0
errors_detail: List[Dict[str, Any]] = []
error_lines_list: List[int] = []
try:
with open(error_path, "w", encoding="utf-8") as f_err:
for i, row in common_csv.iter_csv_rows(file_path):
if i % 500 == 0:
self.update_state(
state="PROGRESS",
meta={"current": i, "total": total_rows, "errors": error_count},
)
row_norm = row_from_template(row, common_normalize.normalize_header)
err = validate_row_class(
row_norm,
i,
valid_material_keys=valid_material_keys,
valid_uom_codes=valid_uom_codes,
actualizar=actualizar,
siempre_toda=siempre_toda,
existing_class_codes=existing_class_codes,
)
if err:
error_count += 1
error_lines_list.append(err["line"])
f_err.write(json.dumps(err) + "\n")
if len(errors_detail) < 500:
errors_detail.append({
"line": err["line"],
"col": err.get("col", ""),
"msg": err.get("msg", ""),
})
processed_rows += 1
if error_lines_list:
common_storage.store_error_lines(JOB_TYPE, job_id, error_lines_list)
except Exception as e:
logger.error("Classes import scan failed: %s", e)
return {"status": "failed", "error": str(e)}
return common_responses.scan_result(
job_id, processed_rows, error_count, errors_detail
)
@celery_app.task(bind=True)
def insert_valid_rows(self, job_id: str):
logger.info("Classes import: starting commit for job %s", job_id)
file_path = common_storage.ensure_file_from_redis(JOB_TYPE, job_id, "Classes import")
if not file_path:
alt_path = common_storage.file_path_for_job(JOB_TYPE, job_id)
if not os.path.exists(alt_path):
return {"status": "failed", "error": "Archivo no encontrado (expirado). Sube y confirma de nuevo."}
file_path = alt_path
else:
common_storage.ensure_meta_from_redis(JOB_TYPE, job_id, file_path, "Classes import")
error_path = common_storage.error_path_for_job(JOB_TYPE, job_id)
error_lines = common_storage.get_error_lines(JOB_TYPE, job_id, error_path)
try:
tenant_id, company_id = common_meta.require_tenant_context(file_path)
except ValueError as e:
return {"status": "failed", "error": str(e)}
meta = common_meta.load_meta(file_path)
actualizar = meta.get("actualizar", False)
siempre_toda = meta.get("siempre_toda", False)
from api.v1.modules.a76.classes.models import Class
valid_material_keys, valid_uom_codes = load_classes_fk_sets(tenant_id, company_id)
inserted_count = 0
skipped_invalid = 0
skipped_details: List[Dict[str, Any]] = []
response = None
meta_path = common_meta.get_meta_path(file_path)
try:
with CoreSessionLocal() as session:
existing_by_code = {}
for c in session.query(Class).filter(
Class.tenant_id == tenant_id,
Class.company_id == company_id,
).all():
key = (c.class_code or "").strip().upper()
if key:
existing_by_code[key] = c
for i, row in common_csv.iter_csv_rows(file_path):
if i in error_lines:
continue
row_norm = row_from_template(row, common_normalize.normalize_header)
class_code_raw = (row_norm.get("CLASE") or "").strip().upper()[:8]
use_partial = actualizar and class_code_raw and class_code_raw in existing_by_code and not siempre_toda
if use_partial:
err = validate_row_class_partial(
row_norm, i,
valid_material_keys=valid_material_keys,
valid_uom_codes=valid_uom_codes,
)
else:
err = validate_row_class(
row_norm,
i,
valid_material_keys=valid_material_keys,
valid_uom_codes=valid_uom_codes,
actualizar=actualizar,
siempre_toda=siempre_toda,
existing_class_codes=set(existing_by_code.keys()),
)
if err:
skipped_invalid += 1
skipped_details.append({
"line": i,
"reason": f"{err.get('col', '')}: {err.get('msg', '')}",
})
continue
if use_partial:
existing = existing_by_code.get(class_code_raw)
existing_data = {
"description_es": existing.description_es,
"description_en": existing.description_en,
"material_key": existing.material_key,
"unit_of_measure": existing.unit_of_measure,
"fraction": existing.fraction,
"us_fraction": existing.us_fraction,
"sub_key": existing.sub_key,
"physical_review": existing.physical_review,
"iva_exempt_fraction": existing.iva_exempt_fraction,
}
data = row_to_class_data_merge_existing(
row_norm, existing_data, valid_material_keys, valid_uom_codes,
)
else:
data = row_to_class_data(row_norm, valid_material_keys, valid_uom_codes)
class_code = data.get("class_code")
if not class_code:
skipped_invalid += 1
continue
existing = existing_by_code.get(class_code)
if existing:
existing.description_es = data["description_es"]
existing.description_en = data["description_en"]
existing.material_key = data["material_key"]
existing.unit_of_measure = data["unit_of_measure"]
existing.fraction = data["fraction"]
existing.us_fraction = data["us_fraction"]
existing.sub_key = data["sub_key"]
existing.physical_review = data["physical_review"]
existing.iva_exempt_fraction = data["iva_exempt_fraction"]
session.add(existing)
inserted_count += 1
else:
new_class = Class(
tenant_id=tenant_id,
company_id=company_id,
**data,
)
session.add(new_class)
existing_by_code[class_code] = new_class
inserted_count += 1
try:
session.commit()
except Exception as db_err:
session.rollback()
logger.error("Classes import DB error: %s", db_err)
return common_responses.commit_result(
"failed", 0, skipped_invalid, 0, 0,
skipped_details, error=str(db_err),
)
if inserted_count == 0 and skipped_invalid > 0:
response = common_responses.commit_result(
"warning", 0, skipped_invalid, 0, 0,
skipped_details,
message=f"No se insertaron registros. {skipped_invalid} rechazados.",
)
elif inserted_count == 0:
response = common_responses.commit_result(
"failed", 0, skipped_invalid, 0, 0,
skipped_details,
error="No hay registros válidos en el archivo CSV",
)
else:
response = common_responses.commit_result(
"finished", inserted_count, skipped_invalid, 0, 0,
skipped_details,
)
except Exception as e:
logger.exception("Classes import task failed")
response = common_responses.commit_result(
"failed", 0, skipped_invalid, 0, 0,
skipped_details, error=str(e),
)
common_storage.cleanup_import_job(
JOB_TYPE, job_id,
file_path=file_path,
error_path=error_path,
meta_path=meta_path,
)
if response is None:
response = common_responses.commit_result(
"failed", 0, skipped_invalid, 0, 0,
skipped_details, error="Error inesperado",
)
return response