From 6272104653be4dd105b0f552dd4dd0501f911cf9 Mon Sep 17 00:00:00 2001 From: hibby Date: Mon, 26 May 2025 09:00:11 +0300 Subject: [PATCH] initial commit --- lib/debug.py | 12 ++-- lib/freebies.db | Bin 20480 -> 24576 bytes .../51dda38663fe_create_freebie_table.py | 34 ++++++++++ lib/models.py | 61 ++++++++++++++++-- lib/seed.py | 31 +++++++++ 5 files changed, 126 insertions(+), 12 deletions(-) create mode 100644 lib/migrations/versions/51dda38663fe_create_freebie_table.py diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..308bad71a 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,9 +1,9 @@ -#!/usr/bin/env python3 - +from models import Dev, Company, Freebie +from sqlalchemy.orm import sessionmaker from sqlalchemy import create_engine -from models import Company, Dev +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() -if __name__ == '__main__': - engine = create_engine('sqlite:///freebies.db') - import ipdb; ipdb.set_trace() +import ipdb; ipdb.set_trace() \ No newline at end of file diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c963e832db481e7a7493e3029e691ac4dc..d69bf384e0b44a8eb0763891a298a3cc24bea8ad 100644 GIT binary patch delta 605 zcmZozz}Rqrae}lUHvdd){X$&bT~TFHQp@5qQ?N=U=jRqA z=2ha74hZt}bqtDB@OF(<(5TN$(F9rK?C%#G666T9Ng*ve9_H+Lh%F$hSi#Ld$ko%` z52Q~6BCe?ra`CWWv3;z)d6V9YV`KVjhi$p2)spui1&4Q?hD25~0Gf`Xh>_A|VU zEDX|2zWGI&dFhGlXCbQJG4Oxmf45oC;1Rz98xu2wuv2~#2O~3sxMNOcaw;TbjoSj<4#K#EaGjei<=oV*W I7L{-T0Pu{ay#N3J delta 118 zcmZoTz}T>Wae}lUD+2=q2*UvLL>*&MRtCLzSzi7h3@m(74E((OJNfGQq&5o*EaTlQ p#dlkfJI&lE+0-H_&BP*klfqYiK_ose$RGir+WY(yCrGoQasgl#8KD3G diff --git a/lib/migrations/versions/51dda38663fe_create_freebie_table.py b/lib/migrations/versions/51dda38663fe_create_freebie_table.py new file mode 100644 index 000000000..d01e8b2d1 --- /dev/null +++ b/lib/migrations/versions/51dda38663fe_create_freebie_table.py @@ -0,0 +1,34 @@ +"""create freebie table + +Revision ID: 51dda38663fe +Revises: 5f72c58bf48c +Create Date: 2025-05-25 09:11:47.123660 + +""" +from alembic import op +import sqlalchemy as sa + +from alembic import op +import sqlalchemy as sa + +def upgrade(): + op.create_table('freebies', + sa.Column('id', sa.Integer(), primary_key=True), + sa.Column('item_name', sa.String(), nullable=False), + sa.Column('value', sa.Integer(), nullable=False), + sa.Column('dev_id', sa.Integer(), sa.ForeignKey('devs.id'), nullable=False), + sa.Column('company_id', sa.Integer(), sa.ForeignKey('companies.id'), nullable=False) + ) + +def downgrade(): + op.drop_table('freebies') + + +# revision identifiers, used by Alembic. +revision = '51dda38663fe' +down_revision = '5f72c58bf48c' +branch_labels = None +depends_on = None + + + diff --git a/lib/models.py b/lib/models.py index 2681bee5a..c4341e643 100644 --- a/lib/models.py +++ b/lib/models.py @@ -2,6 +2,7 @@ from sqlalchemy.orm import relationship, backref from sqlalchemy.ext.declarative import declarative_base + convention = { "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s", } @@ -12,18 +13,66 @@ class Company(Base): __tablename__ = 'companies' - id = Column(Integer(), primary_key=True) - name = Column(String()) - founding_year = Column(Integer()) + id = Column(Integer, primary_key=True) + name = Column(String) + founding_year = Column(Integer) + + freebies = relationship("Freebie", backref="company") + + @property + def devs(self): + + return list({freebie.dev for freebie in self.freebies}) + + def give_freebie(self, dev, item_name, value): + + return Freebie(item_name=item_name, value=value, dev=dev, company=self) + + @classmethod + def oldest_company(cls, session): + + return session.query(cls).order_by(cls.founding_year).first() def __repr__(self): return f'' + class Dev(Base): __tablename__ = 'devs' - id = Column(Integer(), primary_key=True) - name= Column(String()) + id = Column(Integer, primary_key=True) + name = Column(String) + + freebies = relationship("Freebie", backref="dev") + + @property + def companies(self): + + return list({freebie.company for freebie in self.freebies}) + + def received_one(self, item_name): + + return any(f.item_name == item_name for f in self.freebies) + + def give_away(self, dev, freebie): + + if freebie in self.freebies: + freebie.dev = dev + + +class Freebie(Base): + __tablename__ = 'freebies' + + id = Column(Integer, primary_key=True) + item_name = Column(String, nullable=False) + value = Column(Integer, nullable=False) + + dev_id = Column(Integer, ForeignKey('devs.id'), nullable=False) + company_id = Column(Integer, ForeignKey('companies.id'), nullable=False) + + def print_details(self): + + return f"{self.dev.name} owns a {self.item_name} from {self.company.name}" def __repr__(self): - return f'' + return f'' diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..6a15cafad 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,34 @@ #!/usr/bin/env python3 # Script goes here! + +from models import Company, Dev, Freebie +from sqlalchemy.orm import sessionmaker +from sqlalchemy import create_engine + +from models import Base +engine = create_engine('sqlite:///freebies.db') +Base.metadata.create_all(engine) + + +Session = sessionmaker(bind = engine) + +session =Session() + +session.query(Freebie).delete() +session.query(Dev).delete() +session.query(Company).delete() +session.commit() + +c1 =Company(name="Moringa", founding_year=1997) +c2 = Company(name="Apple", founding_year=1996) + +d1 = Dev(name="Alice") +d2 = Dev(name="Bob") + +f1 = Freebie(item_name="T-shirt", value=10, dev=d1, company=c1) +f2 = Freebie(item_name="Mug", value=5, dev=d2, company=c1) +f3 = Freebie(item_name="Sticker", value=1, dev=d1, company=c2) + +session.add_all([c1, c2, d1, d2, f1, f2, f3]) +session.commit() \ No newline at end of file