diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c96..2d1cc8d31 100644 Binary files a/lib/freebies.db and b/lib/freebies.db differ diff --git a/lib/migrations/versions/7f09715b9c4a_create_freebies.py b/lib/migrations/versions/7f09715b9c4a_create_freebies.py new file mode 100644 index 000000000..380345bf4 --- /dev/null +++ b/lib/migrations/versions/7f09715b9c4a_create_freebies.py @@ -0,0 +1,35 @@ +"""create freebies + +Revision ID: 7f09715b9c4a +Revises: 5f72c58bf48c +Create Date: 2025-11-30 18:44:27.418333 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '7f09715b9c4a' +down_revision = '5f72c58bf48c' +branch_labels = None +depends_on = None + + +def upgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + 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(), nullable=True), + sa.Column('company_id', sa.Integer(), nullable=True), + sa.ForeignKeyConstraint(['dev_id'], ['devs.id'], name=op.f('fk_freebies_dev_id_devs')), + sa.ForeignKeyConstraint(['company_id'], ['companies.id'], name=op.f('fk_freebies_company_id_companies')), + sa.PrimaryKeyConstraint('id') + ) + + +def downgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + op.drop_table('freebies') diff --git a/lib/models.py b/lib/models.py index 2681bee5a..03f9bebc8 100644 --- a/lib/models.py +++ b/lib/models.py @@ -9,6 +9,26 @@ Base = declarative_base(metadata=metadata) +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')) + + # Relationships: Freebie belongs to Dev and Company + dev = relationship('Dev', backref=backref('freebies', lazy=True)) + company = relationship('Company', backref=backref('freebies', lazy=True)) + + def __repr__(self): + return f'' + + def print_details(self): + # Returns formatted string: "{dev name} owns a {freebie item_name} from {company name}" + return f"{self.dev.name} owns a {self.item_name} from {self.company.name}" + class Company(Base): __tablename__ = 'companies' @@ -19,6 +39,18 @@ class Company(Base): def __repr__(self): return f'' + @property + def devs(self): + return list(set([freebie.dev for freebie in self.freebies])) + + 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): + return cls.query.order_by(cls.founding_year).first() + class Dev(Base): __tablename__ = 'devs' @@ -27,3 +59,20 @@ class Dev(Base): def __repr__(self): return f'' + + # freebies property is handled by backref + + @property + def companies(self): + # Returns collection of all companies that the dev has collected freebies from + return list(set([freebie.company for freebie in self.freebies])) + + def received_one(self, item_name): + # Returns True if any of the freebies associated with the dev has that item_name + return any(freebie.item_name == item_name for freebie in self.freebies) + + def give_away(self, dev, freebie): + # Changes the freebie's dev to the given dev; only if the freebie belongs to this dev + if freebie.dev == self: + freebie.dev = dev + return freebie diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..ea5d6fc01 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,30 @@ #!/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() + + # Create some sample data for testing + company1 = Company(name="TechCorp", founding_year=2000) + company2 = Company(name="InnovateInc", founding_year=2010) + + dev1 = Dev(name="Alice") + dev2 = Dev(name="Bob") + + session.add_all([company1, company2, dev1, dev2]) + session.commit() + + # Create freebies to test relationships + freebie1 = Freebie(item_name="T-shirt", value=20, dev=dev1, company=company1) + freebie2 = Freebie(item_name="Sticker", value=5, dev=dev1, company=company2) + freebie3 = Freebie(item_name="Mug", value=15, dev=dev2, company=company1) + + session.add_all([freebie1, freebie2, freebie3]) + session.commit() + + print("Sample data created successfully!")