Files
WYGIWYH/app/apps/rules/tasks.py
2025-02-08 04:16:28 -03:00

361 lines
14 KiB
Python

import decimal
import logging
from datetime import datetime, date
from cachalot.api import cachalot_disabled
from dateutil.relativedelta import relativedelta
from procrastinate.contrib.django import app
from simpleeval import EvalWithCompoundTypes
from apps.accounts.models import Account
from apps.rules.models import (
TransactionRule,
TransactionRuleAction,
)
from apps.transactions.models import (
Transaction,
TransactionCategory,
TransactionTag,
TransactionEntity,
)
logger = logging.getLogger(__name__)
@app.task(name="check_for_transaction_rules")
def check_for_transaction_rules(
instance_id: int,
signal,
):
try:
with cachalot_disabled():
instance = Transaction.objects.get(id=instance_id)
functions = {
"relativedelta": relativedelta,
"str": str,
"int": int,
"float": float,
"decimal": decimal.Decimal,
"datetime": datetime,
"date": date,
}
simple = EvalWithCompoundTypes(
names=_get_names(instance), functions=functions
)
if signal == "transaction_created":
rules = TransactionRule.objects.filter(
active=True, on_create=True
).order_by("id")
elif signal == "transaction_updated":
rules = TransactionRule.objects.filter(
active=True, on_update=True
).order_by("id")
else:
rules = TransactionRule.objects.filter(active=True).order_by("id")
for rule in rules:
if simple.eval(rule.trigger):
for action in rule.transaction_actions.all():
try:
instance = _process_edit_transaction_action(
instance=instance, action=action, simple_eval=simple
)
except Exception as e:
logger.error(
f"Error processing edit transaction action {action.id}",
exc_info=True,
)
# else:
# simple.names.update(_get_names(instance))
# instance.save()
simple.names.update(_get_names(instance))
instance.save()
for action in rule.update_or_create_transaction_actions.all():
try:
_process_update_or_create_transaction_action(
action=action, simple_eval=simple
)
except Exception as e:
logger.error(
f"Error processing update or create transaction action {action.id}",
exc_info=True,
)
except Exception as e:
logger.error(
"Error while executing 'check_for_transaction_rules' task",
exc_info=True,
)
raise e
def _get_names(instance):
return {
"id": instance.id,
"account_name": instance.account.name,
"account_id": instance.account.id,
"account_group_name": (
instance.account.group.name if instance.account.group else None
),
"account_group_id": (
instance.account.group.id if instance.account.group else None
),
"is_asset_account": instance.account.is_asset,
"is_archived_account": instance.account.is_archived,
"category_name": instance.category.name if instance.category else None,
"category_id": instance.category.id if instance.category else None,
"tag_names": [x.name for x in instance.tags.all()],
"tag_ids": [x.id for x in instance.tags.all()],
"entities_names": [x.name for x in instance.entities.all()],
"entities_ids": [x.id for x in instance.entities.all()],
"is_expense": instance.type == Transaction.Type.EXPENSE,
"is_income": instance.type == Transaction.Type.INCOME,
"is_paid": instance.is_paid,
"description": instance.description,
"amount": instance.amount,
"notes": instance.notes,
"date": instance.date,
"reference_date": instance.reference_date,
"internal_note": instance.internal_note,
"internal_id": instance.internal_id,
}
def _process_update_or_create_transaction_action(action, simple_eval):
"""Helper to process a single linked transaction action"""
# Build search query using the helper method
search_query = action.build_search_query(simple_eval)
# Find latest matching transaction or create new
if search_query:
transaction = (
Transaction.objects.filter(search_query).order_by("-date", "-id").first()
)
else:
transaction = None
if not transaction:
transaction = Transaction()
simple_eval.names.update(
{
"my_account_name": (transaction.account.name if transaction.id else None),
"my_account_id": transaction.account.id if transaction.id else None,
"my_account_group_name": (
transaction.account.group.name
if transaction.id and transaction.account.group
else None
),
"my_account_group_id": (
transaction.account.group.id
if transaction.id and transaction.account.group
else None
),
"my_is_asset_account": (
transaction.account.is_asset if transaction.id else None
),
"my_is_archived_account": (
transaction.account.is_archived if transaction.id else None
),
"my_category_name": (
transaction.category.name if transaction.category else None
),
"my_category_id": transaction.category.id if transaction.category else None,
"my_tag_names": (
[x.name for x in transaction.tags.all()] if transaction.id else []
),
"my_tag_ids": (
[x.id for x in transaction.tags.all()] if transaction.id else []
),
"my_entities_names": (
[x.name for x in transaction.entities.all()] if transaction.id else []
),
"my_entities_ids": (
[x.id for x in transaction.entities.all()] if transaction.id else []
),
"my_is_expense": transaction.type == Transaction.Type.EXPENSE,
"my_is_income": transaction.type == Transaction.Type.INCOME,
"my_is_paid": transaction.is_paid,
"my_description": transaction.description,
"my_amount": transaction.amount or 0,
"my_notes": transaction.notes,
"my_date": transaction.date,
"my_reference_date": transaction.reference_date,
"my_internal_note": transaction.internal_note,
"my_internal_id": transaction.reference_date,
}
)
if action.filter:
value = simple_eval.eval(action.filter)
if not value:
return # Short-circuit execution if filter evaluates to false
# Set fields if provided
if action.set_account:
value = simple_eval.eval(action.set_account)
if isinstance(value, int):
transaction.account = Account.objects.get(id=value)
else:
transaction.account = Account.objects.get(name=value)
if action.set_type:
transaction.type = simple_eval.eval(action.set_type)
if action.set_is_paid:
transaction.is_paid = simple_eval.eval(action.set_is_paid)
if action.set_date:
transaction.date = simple_eval.eval(action.set_date)
if action.set_reference_date:
transaction.reference_date = simple_eval.eval(action.set_reference_date)
if action.set_amount:
transaction.amount = simple_eval.eval(action.set_amount)
if action.set_description:
transaction.description = simple_eval.eval(action.set_description)
if action.set_internal_note:
transaction.internal_note = simple_eval.eval(action.set_internal_note)
if action.set_internal_id:
transaction.internal_id = simple_eval.eval(action.set_internal_id)
if action.set_notes:
transaction.notes = simple_eval.eval(action.set_notes)
if action.set_category:
value = simple_eval.eval(action.set_category)
if isinstance(value, int):
transaction.category = TransactionCategory.objects.get(id=value)
else:
transaction.category = TransactionCategory.objects.get(name=value)
transaction.save()
# Handle M2M fields after save
if action.set_tags:
tags_value = simple_eval.eval(action.set_tags)
transaction.tags.clear()
if isinstance(tags_value, (list, tuple)):
for tag in tags_value:
if isinstance(tag, int):
transaction.tags.add(TransactionTag.objects.get(id=tag))
else:
transaction.tags.add(TransactionTag.objects.get(name=tag))
elif isinstance(tags_value, (int, str)):
if isinstance(tags_value, int):
transaction.tags.add(TransactionTag.objects.get(id=tags_value))
else:
transaction.tags.add(TransactionTag.objects.get(name=tags_value))
if action.set_entities:
entities_value = simple_eval.eval(action.set_entities)
transaction.entities.clear()
if isinstance(entities_value, (list, tuple)):
for entity in entities_value:
if isinstance(entity, int):
transaction.entities.add(TransactionEntity.objects.get(id=entity))
else:
transaction.entities.add(TransactionEntity.objects.get(name=entity))
elif isinstance(entities_value, (int, str)):
if isinstance(entities_value, int):
transaction.entities.add(
TransactionEntity.objects.get(id=entities_value)
)
else:
transaction.entities.add(
TransactionEntity.objects.get(name=entities_value)
)
def _process_edit_transaction_action(instance, action, simple_eval) -> Transaction:
if action.field in [
TransactionRuleAction.Field.type,
TransactionRuleAction.Field.is_paid,
TransactionRuleAction.Field.date,
TransactionRuleAction.Field.reference_date,
TransactionRuleAction.Field.amount,
TransactionRuleAction.Field.description,
TransactionRuleAction.Field.notes,
]:
setattr(
instance,
action.field,
simple_eval.eval(action.value),
)
elif action.field == TransactionRuleAction.Field.account:
value = simple_eval.eval(action.value)
if isinstance(value, int):
account = Account.objects.get(id=value)
instance.account = account
elif isinstance(value, str):
account = Account.objects.filter(name=value).first()
instance.account = account
elif action.field == TransactionRuleAction.Field.category:
value = simple_eval.eval(action.value)
if isinstance(value, int):
category = TransactionCategory.objects.get(id=value)
instance.category = category
elif isinstance(value, str):
category = TransactionCategory.objects.get(name=value)
instance.category = category
elif action.field == TransactionRuleAction.Field.tags:
value = simple_eval.eval(action.value)
if isinstance(value, list):
# Clear existing tags
instance.tags.clear()
for tag_value in value:
if isinstance(tag_value, int):
tag = TransactionTag.objects.get(id=tag_value)
instance.tags.add(tag)
elif isinstance(tag_value, str):
tag = TransactionTag.objects.get(name=tag_value)
instance.tags.add(tag)
elif isinstance(value, (int, str)):
# If a single value is provided, treat it as a single tag
instance.tags.clear()
if isinstance(value, int):
tag = TransactionTag.objects.get(id=value)
else:
tag = TransactionTag.objects.get(name=value)
instance.tags.add(tag)
elif action.field == TransactionRuleAction.Field.entities:
value = simple_eval.eval(action.value)
if isinstance(value, list):
# Clear existing entities
instance.entities.clear()
for entity_value in value:
if isinstance(entity_value, int):
entity = TransactionEntity.objects.get(id=entity_value)
instance.entities.add(entity)
elif isinstance(entity_value, str):
entity = TransactionEntity.objects.get(name=entity_value)
instance.entities.add(entity)
elif isinstance(value, (int, str)):
# If a single value is provided, treat it as a single entity
instance.entities.clear()
if isinstance(value, int):
entity = TransactionEntity.objects.get(id=value)
else:
entity = TransactionEntity.objects.get(name=value)
instance.entities.add(entity)
return instance