30 lines
764 B
Python
30 lines
764 B
Python
from datetime import datetime
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class Transaction:
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def __init__(self, id, user_id, item_id, amount, timestamp=None) -> None:
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self.id = id
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self.user_id = user_id
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self.item_id = item_id
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self.amount = float(amount)
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self.timestamp = timestamp or datetime.now().isoformat()
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def to_json(self):
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return {
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"id": self.id,
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"user_id": self.user_id,
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"item_id": self.item_id,
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"amount": self.amount,
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"timestamp": self.timestamp,
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}
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@staticmethod
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def from_json(data):
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return Transaction(
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data["id"],
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data["user_id"],
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data["item_id"],
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data["amount"],
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data["timestamp"],
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)
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