diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..d72537863 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,9 +1,22 @@ #!/usr/bin/env python3 -from sqlalchemy import create_engine +# from sqlalchemy import create_engine + +# from models import Company, Dev -from models import Company, Dev +# if __name__ == '__main__': +# engine = create_engine('sqlite:///freebies.db') +# import ipdb; ipdb.set_trace() + +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker +from models import Company, Dev, Freebie if __name__ == '__main__': engine = create_engine('sqlite:///freebies.db') - import ipdb; ipdb.set_trace() + + # Create a session to query the database + Session = sessionmaker(bind=engine) + session = Session() + + import ipdb; ipdb.set_trace() \ No newline at end of file diff --git a/lib/migrations/versions/202511301245_create_freebies.py b/lib/migrations/versions/202511301245_create_freebies.py new file mode 100644 index 000000000..f8c737bee --- /dev/null +++ b/lib/migrations/versions/202511301245_create_freebies.py @@ -0,0 +1,20 @@ +from alembic import op +import sqlalchemy as sa + +revision = '202511301245' +down_revision = '5f72c58bf48c' +branch_labels = None +depends_on = None + +def upgrade()-> None: + op.create_table( + 'freebies', + sa.Column('id', sa.Integer(), primary_key=True), + sa.Column('item_name', sa.String(), nullable=False), + sa.Column('value', sa.Integer(), nullable=False), + sa.Column('company_id', sa.Integer(), sa.ForeignKey('companies.id'), nullable=False), + sa.Column('dev_id', sa.Integer(), sa.ForeignKey('devs.id'), nullable=False) + ) + +def downgrade(): + op.drop_table('freebies') \ No newline at end of file diff --git a/lib/models.py b/lib/models.py index 2681bee5a..e0e8969a7 100644 --- a/lib/models.py +++ b/lib/models.py @@ -16,6 +16,20 @@ class Company(Base): name = Column(String()) founding_year = Column(Integer()) + @property + def devs(self): + return list({freebie.dev for freebie in self.freebies}) + + def give_freebie(self, dev, item_name, value, session): + new_freebie = Freebie(item_name=item_name, value=value, company=self, dev=dev) + session.add(new_freebie) + session.commit() + return new_freebie + + @classmethod + def oldest_company(cls, session): + return session.query(cls).order_by(cls.founding_year).first() + def __repr__(self): return f'' @@ -25,5 +39,39 @@ class Dev(Base): id = Column(Integer(), primary_key=True) name= Column(String()) + @property + def companies(self): + return list({freebie.company for freebie in self.freebies}) + + def received_one(self, item_name): + return any(freebie.item_name == item_name for freebie in self.freebies) + + def give_away(self, other_dev, freebie, session): + if freebie in self.freebies: + freebie.dev = other_dev + session.add(freebie) + session.commit() + return True + return False + def __repr__(self): return f'' + +class Freebie(Base): + __tablename__ = 'freebies' + + id = Column(Integer, primary_key=True) + item_name = Column(String, nullable=False) + value = Column(Integer, nullable=False) + + company_id = Column(Integer, ForeignKey('companies.id'), nullable=False) + dev_id = Column(Integer, ForeignKey('devs.id'), nullable=False) + + company = relationship('Company', backref=backref('freebies', cascade='all, delete-orphan')) + dev = relationship('Dev', backref=backref('freebies', cascade='all, delete-orphan')) + + def print_details(self): + return f'{self.dev.name} owns a {self.item_name} from {self.company.name}' + + def __repr__(self): + return self.print_details() diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..caa187a2e 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,61 @@ #!/usr/bin/env python3 # Script goes here! + +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +from models import Company, Dev, Freebie + +# Create Companies +apple = Company(name="Apple", founding_year=1976) +amazon = Company(name="Amazon", founding_year=1994) +facebook = Company(name="Facebook", founding_year=2004) + +# Create Devs +alice = Dev(name="Alice") +bob = Dev(name="Bob") +charlie = Dev(name="Charlie") + +# Create Freebies +freebie1 = Freebie( + item_name="Headphones", + value=180, + company=amazon, + dev=bob +) + +freebie2 = Freebie( + item_name="T-shirt", + value=120, + company=apple, + dev=charlie +) + +freebie3 = Freebie( + item_name="Laptop", + value=1000, + company=facebook, + dev=alice +) + +freebie4 = Freebie( + item_name="Sticker Pack", + value=30, + company=amazon, + dev=charlie +) + +# Database connection +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() + +# Save to database +session.add_all([ + apple, amazon, facebook, + alice, bob, charlie, + freebie1, freebie2, freebie3, freebie4 +]) + +session.commit()