Files
dibbler/dibbler/lib/render_transaction_log.py

116 lines
4.6 KiB
Python

from dibbler.lib.render_tree import render_tree
from dibbler.models import Transaction, TransactionType
from dibbler.models.Transaction import EXPECTED_FIELDS
def render_transaction_log(transaction_log: list[Transaction]) -> str:
"""
Renders a transaction log as a pretty, human-readable string.
"""
aggregated_log = _aggregate_joint_transactions(transaction_log)
lines = []
for transaction in aggregated_log:
if isinstance(transaction, list):
inner_lines = []
lines.append(_render_transaction(transaction[0]))
for sub_transaction in transaction[1:]:
line = _render_transaction(sub_transaction)
inner_lines.append(line)
lines.append(inner_lines)
else:
line = _render_transaction(transaction)
lines.append(line)
return render_tree(lines)
def _aggregate_joint_transactions(
transactions: list[Transaction],
) -> list[Transaction | list[Transaction]]:
aggregated: list[Transaction | list[Transaction]] = []
i = 0
while i < len(transactions):
current = transactions[i]
# The aggregation is running backwards, so it will hit JOINT transactions first
if current.type_ == TransactionType.JOINT:
joint_transactions = [current]
j = i
while j < len(transactions):
j += 1
next_transaction = transactions[j]
if next_transaction.type_ == TransactionType.JOINT_BUY_PRODUCT:
joint_transactions.append(next_transaction)
else:
break
aggregated.append(joint_transactions)
i = j # Skip processed transactions
elif current.type_ == TransactionType.JOINT:
# Empty joint transaction?
i += 1
continue
else:
aggregated.append(current)
i += 1
return aggregated
def _render_transaction(transaction: Transaction) -> str:
match transaction.type_:
case TransactionType.ADD_PRODUCT:
line = f"ADD_PRODUCT({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.ADD_PRODUCT]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.BUY_PRODUCT:
line = f"BUY_PRODUCT({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.BUY_PRODUCT]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.ADJUST_STOCK:
line = f"ADJUST_STOCK({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.ADJUST_STOCK]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.ADJUST_PENALTY:
line = f"ADJUST_PENALTY({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.ADJUST_PENALTY]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.ADJUST_INTEREST:
line = f"ADJUST_INTEREST({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.ADJUST_INTEREST]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.ADJUST_BALANCE:
line = f"ADJUST_BALANCE({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.ADJUST_BALANCE]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.JOINT:
line = f"JOINT({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.JOINT]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case TransactionType.JOINT_BUY_PRODUCT:
line = f"JOINT_BUY_PRODUCT({transaction.id}, {transaction.user.name}"
for field in EXPECTED_FIELDS[TransactionType.JOINT_BUY_PRODUCT]:
value = getattr(transaction, field)
line += f", {field}={value}"
line += ")"
case _:
line = (
f"UNKNOWN[{transaction.type_}](id={transaction.id}, user_id={transaction.user_id})"
)
return line