diff --git a/lib/__pycache__/models.cpython-38.pyc b/lib/__pycache__/models.cpython-38.pyc new file mode 100644 index 000000000..e6e2ac215 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..fd4e23743 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,9 +1,13 @@ #!/usr/bin/env python3 -from sqlalchemy import create_engine +from sqlalchemy import create_engine, select +from sqlalchemy.orm import Session +from models import Company, Dev, Freebie -from models import Company, Dev +if __name__ == "__main__": + engine = create_engine("sqlite:///freebies.db", echo=True) + session = Session(engine) + import ipdb -if __name__ == '__main__': - engine = create_engine('sqlite:///freebies.db') - import ipdb; ipdb.set_trace() + ipdb.set_trace() + session.close() diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c96..deba435fd 100644 Binary files a/lib/freebies.db and b/lib/freebies.db differ diff --git a/lib/migrations/versions/cea7bebb7bb5_create_freebie_table.py b/lib/migrations/versions/cea7bebb7bb5_create_freebie_table.py new file mode 100644 index 000000000..1d2b1a61d --- /dev/null +++ b/lib/migrations/versions/cea7bebb7bb5_create_freebie_table.py @@ -0,0 +1,37 @@ +"""create Freebie table + +Revision ID: cea7bebb7bb5 +Revises: 5f72c58bf48c +Create Date: 2023-08-10 10:52:35.109688 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'cea7bebb7bb5' +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('company_id', sa.Integer(), nullable=True), + sa.Column('dev_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..d6ff67fe7 100644 --- a/lib/models.py +++ b/lib/models.py @@ -1,4 +1,4 @@ -from sqlalchemy import ForeignKey, Column, Integer, String, MetaData +from sqlalchemy import ForeignKey, Column, Integer, String, MetaData, select from sqlalchemy.orm import relationship, backref from sqlalchemy.ext.declarative import declarative_base @@ -9,21 +9,68 @@ Base = declarative_base(metadata=metadata) + class Company(Base): - __tablename__ = 'companies' + __tablename__ = "companies" id = Column(Integer(), primary_key=True) name = Column(String()) founding_year = Column(Integer()) + freebies = relationship("Freebie", backref=backref("company")) + devs = relationship("Dev", secondary="freebies", viewonly=True) + + def give_freebie(self, dev, item_name, value): + freebie = Freebie(item_name=item_name, value=value) + freebie.company = self + freebie.dev = dev + return freebie + + @classmethod + def oldest_company(cls, session): + return session.scalars(select(cls).order_by(Company.founding_year)).first() + def __repr__(self): - return f'' + return f"" + class Dev(Base): - __tablename__ = 'devs' + __tablename__ = "devs" id = Column(Integer(), primary_key=True) - name= Column(String()) + name = Column(String()) + + freebies = relationship("Freebie", backref=backref("dev")) + companies = relationship("Company", secondary="freebies", viewonly=True) + + def received_one(self, item_name): + for freebie in self.freebies: + if freebie.item_name == item_name: + return True + return False + + def give_away(self, dev, freebie): + if self.received_one(freebie.item_name): + freebie.dev = dev + + def __repr__(self): + return f"" + + +class Freebie(Base): + __tablename__ = "freebies" + + id = Column(Integer, primary_key=True) + item_name = Column(String) + value = Column(Integer) + company_id = Column(Integer, ForeignKey("companies.id")) + dev_id = Column(Integer, ForeignKey("devs.id")) + + # company = relationship("Company", back_populates="freebies") + # dev = relationship("Dev", back_populates="freebies") + + def print_details(self): + print(f"{self.dev} owns a {self.item_name} from {self.company}") def __repr__(self): - return f'' + return f"" diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..d4d3d5260 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,48 @@ #!/usr/bin/env python3 # Script goes here! + +from models import Company, Dev, Freebie +import random +from sqlalchemy import create_engine, select, delete +from sqlalchemy.orm import Session +from faker import Faker + + +engine = create_engine("sqlite:///freebies.db", echo=True) + +fake = Faker() + + +def create_data(session): + companies = [] + devs = [] + freebies = [] + for i in range(20): + companies.append( + Company(name=fake.company(), founding_year=random.randint(1950, 2023)) + ) + devs.append(Dev(name=fake.name())) + session.add_all(companies + devs) + session.commit() + for company in companies: + # for each comapany create multiple freebies and give each on to a dev: + for i in range(5): + freebie = Freebie(item_name=fake.word(), value=random.randint(1, 50)) + freebie.company = company + freebie.dev = random.choice(devs) + freebies.append(freebie) + session.add_all(freebies) + session.commit() + return companies, devs, freebies + + +def delete_data(session): + session.execute(delete(Company)) + session.execute(delete(Dev)) + session.execute(delete(Freebie)) + + +with Session(engine) as session: + delete_data(session) + companies, devs, freebies = create_data(session)