35 lines
1007 B
Python
35 lines
1007 B
Python
from flask_login import LoginManager
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from flask_sqlalchemy import SQLAlchemy, Model
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class CRUDMixin(Model):
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"""Mixin that adds convenience methods for CRUD (create, read, update, delete) operations."""
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@classmethod
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def create(cls, **kwargs):
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"""Create a new record and save it the database."""
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instance = cls(**kwargs)
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return instance.save()
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def update(self, commit=True, **kwargs):
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"""Update specific fields of a record."""
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for attr, value in kwargs.items():
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setattr(self, attr, value)
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return commit and self.save() or self
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def save(self, commit=True):
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"""Save the record."""
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db.session.add(self)
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if commit:
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db.session.commit()
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return self
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def delete(self, commit=True):
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"""Remove the record from the database."""
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db.session.delete(self)
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return commit and db.session.commit()
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db = SQLAlchemy(model_class=CRUDMixin)
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login_manager = LoginManager()
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