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23 lines
445 B
Python
23 lines
445 B
Python
"""Use cases module."""
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import abc
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from .adapters import EmailSender
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class UseCase(metaclass=abc.ABCMeta):
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@abc.abstractmethod
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def execute(self) -> None:
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...
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class SignupUseCase:
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def __init__(self, email_sender: EmailSender) -> None:
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self.email_sender = email_sender
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def execute(self, email: str) -> None:
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print(f'Sign up user {email}')
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self.email_sender.send(email, f'Welcome, {email}')
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