diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..385b82dd7 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -2,8 +2,14 @@ from sqlalchemy import create_engine -from models import Company, Dev +from models import Company, Dev, Freebie +from sqlalchemy.orm import sessionmaker if __name__ == '__main__': engine = create_engine('sqlite:///freebies.db') + Session = sessionmaker(bind=engine) + session = Session() + + f1=session.query(Freebie).first() + import ipdb; ipdb.set_trace() diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c96..da557805d 100644 Binary files a/lib/freebies.db and b/lib/freebies.db differ diff --git a/lib/migrations/versions/bc4d62f681ef_add_relationship_betwween_frebie_and_.py b/lib/migrations/versions/bc4d62f681ef_add_relationship_betwween_frebie_and_.py new file mode 100644 index 000000000..c3d3a865f --- /dev/null +++ b/lib/migrations/versions/bc4d62f681ef_add_relationship_betwween_frebie_and_.py @@ -0,0 +1,28 @@ +"""Add Relationship betwween frebie and developer + +Revision ID: bc4d62f681ef +Revises: c001d5a4d251 +Create Date: 2024-03-26 12:51:09.206234 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'bc4d62f681ef' +down_revision = 'c001d5a4d251' +branch_labels = None +depends_on = None + + +def upgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + pass + # ### end Alembic commands ### + + +def downgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + pass + # ### end Alembic commands ### diff --git a/lib/migrations/versions/c001d5a4d251_create_freebi_model.py b/lib/migrations/versions/c001d5a4d251_create_freebi_model.py new file mode 100644 index 000000000..e7861220a --- /dev/null +++ b/lib/migrations/versions/c001d5a4d251_create_freebi_model.py @@ -0,0 +1,37 @@ +"""Create Freebi model + +Revision ID: c001d5a4d251 +Revises: 5f72c58bf48c +Create Date: 2024-03-24 14:33:53.974125 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'c001d5a4d251' +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..5753d74b1 100644 --- a/lib/models.py +++ b/lib/models.py @@ -2,6 +2,13 @@ from sqlalchemy.orm import relationship, backref from sqlalchemy.ext.declarative import declarative_base + +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() convention = { "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s", } @@ -15,15 +22,61 @@ class Company(Base): id = Column(Integer(), primary_key=True) name = Column(String()) founding_year = Column(Integer()) + _freebies = relationship('Freebie', backref=backref('company')) + def __repr__(self): return f'' + + def freebies(self): + print(session.query(Freebie).filter(Freebie.company_id == self.id).all()) + return session.query(Freebie).filter(Freebie.company_id == self.id).all() + + def devs(self): + company_freebies= Company.freebies(self) + for freebie in company_freebies: + print( session.query(Dev).filter(Dev.id == freebie.dev_id).all()) class Dev(Base): __tablename__ = 'devs' id = Column(Integer(), primary_key=True) name= Column(String()) + _freebies = relationship('Freebie', backref=backref('dev')) def __repr__(self): return f'' + + def freebies(self): + return session.query(Freebie).filter(Freebie.dev_id == self.id).all() + + def companies(self): + dev_freebies= Dev.freebies(self) + for freebie in dev_freebies: + print( session.query(Company).filter(Company.id == freebie.company_id).all()) + + + + +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")) + + def __repr__(self): + return f'' + + def dev(self, dev_id): + print(session.query(Freebie).filter(Freebie.dev_id == dev_id).all()) + return session.query(Freebie).filter(Freebie.dev_id == dev_id).all() + + + def company(self, company_id): + print(session.query(Freebie).filter(Freebie.company_id == company_id).all()) + return session.query(Freebie).filter(Freebie.company_id == company_id).all() + diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..3c7fdbfa1 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,69 @@ #!/usr/bin/env python3 # Script goes here! +import random +from random import choice as rc + + +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +from models import Freebie, Company, Dev +from faker import Faker + +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() +fake = Faker() + +def delete_records(): + session.query(Freebie).delete() + session.query(Company).delete() + session.query(Dev).delete() + session.commit() + + +def create_companies(): + companies = [Company( + name=fake.company(), + founding_year=random.randint(1800,2023) + ) for i in range(10)] + session.add_all(companies) + session.commit() + return companies + +def create_devs(): + developers = [Dev( + name = fake.name() + ) for i in range(50)] + session.add_all(developers) + session.commit() + return developers + +def create_freebies(): + + freebies = [ Freebie( + item_name =fake.word(), + value =random.randint(0, 60), + ) for i in range(100)] + + session.add_all(freebies) + session.commit() + return freebies + +def relate_one_to_many(freebies, companies,devs): + for freebie in freebies: + freebie.dev = rc(devs) + freebie.company= rc(companies) + + + session.add_all(freebies) + session.commit() + return freebies,companies, devs + +if __name__ == '__main__': + delete_records() + companies= create_companies() + devs = create_devs() + freebies = create_freebies() + relate_one_to_many(freebies,companies,devs) \ No newline at end of file