diff --git a/lib/__pycache__/models.cpython-312.pyc b/lib/__pycache__/models.cpython-312.pyc new file mode 100644 index 000000000..c5c39b710 Binary files /dev/null and b/lib/__pycache__/models.cpython-312.pyc differ diff --git a/lib/__pycache__/models.cpython-38.pyc b/lib/__pycache__/models.cpython-38.pyc new file mode 100644 index 000000000..08c30b319 Binary files /dev/null and b/lib/__pycache__/models.cpython-38.pyc differ diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..e0cca5d9f 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -2,7 +2,7 @@ from sqlalchemy import create_engine -from models import Company, Dev +from models import Company, Dev, Freebie if __name__ == '__main__': engine = create_engine('sqlite:///freebies.db') diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c96..3ba31ddee 100644 Binary files a/lib/freebies.db and b/lib/freebies.db differ diff --git a/lib/migrations/__pycache__/env.cpython-38.pyc b/lib/migrations/__pycache__/env.cpython-38.pyc new 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index 000000000..93249f4e7 Binary files /dev/null and b/lib/migrations/versions/__pycache__/a1b2c3d4e5f6_create_freebies.cpython-38.pyc differ diff --git a/lib/migrations/versions/a1b2c3d4e5f6_create_freebies.py b/lib/migrations/versions/a1b2c3d4e5f6_create_freebies.py new file mode 100644 index 000000000..e2175755d --- /dev/null +++ b/lib/migrations/versions/a1b2c3d4e5f6_create_freebies.py @@ -0,0 +1,31 @@ +"""create freebies table + +Revision ID: a1b2c3d4e5f6 +Revises: 5f72c58bf48c +Create Date: 2023-03-15 15:07:00.000000 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'a1b2c3d4e5f6' +down_revision = '5f72c58bf48c' +branch_labels = None +depends_on = None + + +def upgrade() -> None: + op.create_table('freebies', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('item_name', sa.String(), nullable=True), + sa.Column('value', sa.Integer(), nullable=True), + sa.Column('dev_id', sa.Integer(), sa.ForeignKey('devs.id'), nullable=True), + sa.Column('company_id', sa.Integer(), sa.ForeignKey('companies.id'), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + + +def downgrade() -> None: + op.drop_table('freebies') diff --git a/lib/models.py b/lib/models.py index 2681bee5a..c95a83d09 100644 --- a/lib/models.py +++ b/lib/models.py @@ -1,6 +1,7 @@ -from sqlalchemy import ForeignKey, Column, Integer, String, MetaData -from sqlalchemy.orm import relationship, backref +from sqlalchemy import ForeignKey, Column, Integer, String, MetaData, create_engine +from sqlalchemy.orm import relationship, backref, sessionmaker from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy.ext.associationproxy import association_proxy convention = { "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s", @@ -16,14 +17,55 @@ class Company(Base): name = Column(String()) founding_year = Column(Integer()) + freebies = relationship('Freebie', backref=backref('company')) + devs = association_proxy('freebies', 'dev') + def __repr__(self): return f'' + def give_freebie(self, dev, item_name, value): + freebie = Freebie(item_name=item_name, value=value, dev=dev, company=self) + return freebie + + @classmethod + def oldest_company(cls): + engine = create_engine('sqlite:///freebies.db') + Session = sessionmaker(bind=engine) + session = Session() + result = session.query(cls).order_by(cls.founding_year).first() + session.close() + return result + class Dev(Base): __tablename__ = 'devs' id = Column(Integer(), primary_key=True) name= Column(String()) + freebies = relationship('Freebie', backref=backref('dev')) + companies = association_proxy('freebies', 'company') + def __repr__(self): return f'' + + def received_one(self, item_name): + return any(freebie.item_name == item_name for freebie in self.freebies) + + def give_away(self, dev, freebie): + if freebie in self.freebies: + freebie.dev = dev + +class Freebie(Base): + __tablename__ = 'freebies' + + id = Column(Integer(), primary_key=True) + item_name = Column(String()) + value = Column(Integer()) + dev_id = Column(Integer(), ForeignKey('devs.id')) + company_id = Column(Integer(), ForeignKey('companies.id')) + + def __repr__(self): + return f'' + + def print_details(self): + return f"{self.dev.name} owns a {self.item_name} from {self.company.name}" diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..d7a9ffa59 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,25 @@ #!/usr/bin/env python3 -# Script goes here! +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') + Session = sessionmaker(bind=engine) + session = Session() + + # Seed companies + google = Company(name="Google", founding_year=1998) + facebook = Company(name="Facebook", founding_year=2004) + + # Seed devs + rick = Dev(name="Rick") + morty = Dev(name="Morty") + + # Seed freebies + freebie1 = Freebie(item_name="Sticker", value=1, dev=rick, company=google) + freebie2 = Freebie(item_name="T-shirt", value=10, dev=morty, company=facebook) + + session.add_all([google, facebook, rick, morty, freebie1, freebie2]) + session.commit()