diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..9f85f7b32 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,9 +1,12 @@ #!/usr/bin/env python3 from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker -from models import Company, Dev +from models import Company, Dev, Freebie if __name__ == '__main__': engine = create_engine('sqlite:///freebies.db') + Session = sessionmaker(bind=engine) + session = Session() import ipdb; ipdb.set_trace() diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c96..a48a0edbf 100644 Binary files a/lib/freebies.db and b/lib/freebies.db differ diff --git a/lib/migrations/versions/ee5b1e0f4931_create_freebies.py b/lib/migrations/versions/ee5b1e0f4931_create_freebies.py new file mode 100644 index 000000000..1e5d78572 --- /dev/null +++ b/lib/migrations/versions/ee5b1e0f4931_create_freebies.py @@ -0,0 +1,38 @@ +"""Create Freebies" + + +Revision ID: ee5b1e0f4931 +Revises: 5f72c58bf48c +Create Date: 2023-08-07 11:27:10.849308 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'ee5b1e0f4931' +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(['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..69e267eea 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 +17,91 @@ class Company(Base): name = Column(String()) founding_year = Column(Integer()) + freebies = relationship('Freebie', backref=backref('company')) + + devs = association_proxy('freebies', 'dev', + creator=lambda dev: Freebie(dev=dev)) + def __repr__(self): - return f'' + return f'Company {self.name}' + ', ' + f'{self.founding_year}' + + def give_freebie(self, dev, item_name, value): + + freebie = Freebie( + item_name=item_name, + value=value, + dev_id=dev.id, + company_id=self.id) + + return freebie + + @classmethod + def oldest_company(cls): + engine = create_engine('sqlite:///freebies.db') + Base.metadata.create_all(engine) + Session = sessionmaker(bind=engine) + session = Session() + + return session.query(Company).order_by(Company.founding_year).first() class Dev(Base): __tablename__ = 'devs' id = Column(Integer(), primary_key=True) - name= Column(String()) + name = Column(String()) + + freebies = relationship('Freebie', backref=backref('dev')) + + companies = association_proxy('freebies', 'company', + creator=lambda company: Freebie(company=company)) def __repr__(self): return f'' + + def received_one(self, item_name): + engine = create_engine('sqlite:///freebies.db') + Base.metadata.create_all(engine) + Session = sessionmaker(bind=engine) + session = Session() + + freebie = session.query(Freebie).filter(Freebie.dev_id == self.id).first() + if freebie.item_name == item_name: + return True + return False + + def give_away(self, dev, freebie): + engine = create_engine('sqlite:///freebies.db') + Base.metadata.create_all(engine) + Session = sessionmaker(bind=engine) + session = Session() + + devs_freebie = session.query(Freebie).filter(Freebie.dev_id == self.id).first() + if freebie == devs_freebie.item_name: + session.query(Freebie).filter(Freebie.dev_id == self.id).update({Freebie.dev_id : dev.id}) + session.commit() + print("Success") + else: + print("Fail") + + +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'Freebie {self.id} ' + f'{self.item_name} ' + f'{self.value} ' + f'{self.dev_id} ' + f'{self.company_id} ' + + def print_details(self): + engine = create_engine('sqlite:///freebies.db') + Base.metadata.create_all(engine) + Session = sessionmaker(bind=engine) + session = Session() + + dev = session.query(Dev).filter(Dev.id == self.dev_id).first() + company = session.query(Company).filter(Company.id == self.company_id).first() + print(f'{dev.name} owns a {self.item_name} from {company.name}') diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..b64e77b32 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,42 @@ #!/usr/bin/env python3 -# Script goes here! +from random import choice as rc +from faker import Faker +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +from models import Dev, Company, Freebie + +fake = Faker() + +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() + +devs = [Dev(name = fake.name()) for i in range(500)] +companies = [Company(name = fake.name(), founding_year = fake.random_int(1800, 2022)) for i in range(100)] +freebies = [Freebie(item_name = fake.name(), value = fake.random_int(0, 500)) for i in range(1000)] + +def delete_records(): + session.query(Dev).delete() + session.query(Company).delete() + session.query(Freebie).delete() + session.commit() + +def create_records(): + session.add_all(devs + companies + freebies) + session.commit() + return devs, companies, freebies + +def relate_records(devs, companies, freebies): + for freebie in freebies: + freebie.dev = rc(devs) + freebie.company = rc(companies) + + session.add_all(freebies) + session.commit() + +if __name__ == '__main__': + delete_records() + devs, companies, freebies = create_records() + relate_records(devs, companies, freebies)