diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c96..661f8bd1a 100644 Binary files a/lib/freebies.db and b/lib/freebies.db differ diff --git a/lib/migrations/versions/eb19c08e5477_add_freebie_model.py b/lib/migrations/versions/eb19c08e5477_add_freebie_model.py new file mode 100644 index 000000000..7054c15a3 --- /dev/null +++ b/lib/migrations/versions/eb19c08e5477_add_freebie_model.py @@ -0,0 +1,37 @@ +"""Add Freebie model + +Revision ID: eb19c08e5477 +Revises: 5f72c58bf48c +Create Date: 2023-06-11 15:41:21.583873 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'eb19c08e5477' +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(length=255), 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(['company_id'], ['companies.id'], name=op.f('fk_freebies_company_id_companies')), + sa.ForeignKeyConstraint(['dev_id'], ['devs.id'], name=op.f('fk_freebies_dev_id_devs')), + sa.PrimaryKeyConstraint('id') + ) + # ### end Alembic commands ### + + +def downgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + op.drop_table('freebies') + # ### end Alembic commands ### diff --git a/lib/models.py b/lib/models.py index 2681bee5a..53e9d60a3 100644 --- a/lib/models.py +++ b/lib/models.py @@ -1,7 +1,8 @@ from sqlalchemy import ForeignKey, Column, Integer, String, MetaData -from sqlalchemy.orm import relationship, backref +from sqlalchemy.orm import relationship, backref,sessionmaker from sqlalchemy.ext.declarative import declarative_base + convention = { "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s", } @@ -15,15 +16,50 @@ class Company(Base): id = Column(Integer(), primary_key=True) name = Column(String()) founding_year = Column(Integer()) - + freebies = relationship("Freebie", backref="company") + devs = relationship("Dev", secondary="freebies") + def give_freebie(self, dev, item_name, value): + freebie = Freebie(dev=dev, item_name=item_name, value=value) + self.freebies.append (freebie) + + def __repr__(self): - return f'' + return f'' + + + @classmethod + def oldest_company(cls): + return cls.query.order_by(cls.founding_year).first() + class Dev(Base): __tablename__ = 'devs' id = Column(Integer(), primary_key=True) name= Column(String()) + freebies = relationship("Freebie", backref="dev") + companies = relationship("Company", secondary="freebies") 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.dev == self: + freebie.dev = dev + + +class Freebie(Base): + __tablename__ = 'freebies' + id = Column(Integer, primary_key=True) + item_name = Column(String(255)) + value = Column(Integer) + dev_id = Column(Integer, ForeignKey('devs.id')) + company_id = Column(Integer, ForeignKey('companies.id')) + + 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..b765b9830 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,32 @@ #!/usr/bin/env python3 # Script goes here! +# Create instances +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker +from models import Base, Company, Dev, Freebie + +# Create the engine and session +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() + +# Create the tables in the database +Base.metadata.create_all(engine) + +# Create sample data using CRUD statements +company1 = Company(name='Company A', founding_year=2000) +company2 = Company(name='Company B', founding_year=2010) +dev1 = Dev(name='Dev 1') +dev2 = Dev(name='Dev 2') +session.add_all([company1, company2, dev1, dev2]) +session.commit() + +company1.give_freebie(dev1, 'T-shirt', 10) +company1.give_freebie(dev2, 'Stickers', 5) + +# Print the details of the freebies +for freebie in session.query(Freebie).all(): + print(freebie.print_details()) + +