From 3de09da1830a7e5722d4c34d1c551de907b1bb72 Mon Sep 17 00:00:00 2001 From: Lydia Neema Date: Fri, 22 Aug 2025 15:38:27 +0300 Subject: [PATCH] uodated --- lib/debug.py | 6 ++- lib/freebies.db | Bin 20480 -> 24576 bytes .../05801cdff390_create_freebies_table.py | 33 ++++++++++++ lib/models.py | 50 +++++++++++++++++- lib/seed.py | 26 +++++++++ 5 files changed, 112 insertions(+), 3 deletions(-) create mode 100644 lib/migrations/versions/05801cdff390_create_freebies_table.py diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..016d5164d 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,9 +1,11 @@ #!/usr/bin/env python3 from sqlalchemy import create_engine - -from models import Company, Dev +from sqlalchemy.orm import sessionmaker +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 12beb1c963e832db481e7a7493e3029e691ac4dc..990529fd07490a8c9506a6f6fb52c6a24ab7d250 100644 GIT binary patch delta 860 zcmZ`$O=#0l9Dn(GX}h%l%nHTT;X@Ewm{Oeu#Zy+YT5Z#jcFMejG<}_+9~oV@F)y8p zHxCvsJBc?Dyl4-@OYtIz2l3=#2fcXoAR^+?#J1}qE)d>(zt8_mcAhdjZhvp zuQ;QtN?9dkWg)MU5&Bq(ob1{i+B8~blad>Xp1G>%i3{m;l4!*;(U$Z1IT8wPnvD%g za#~rHfh3Q5@2q*s(FYNfKSxJ{&1H^#FY zla|rey%S`{l5!auX2$Dos7gb%=GHQtoVNZN?!4>Z-8N)%n#UDJxeW8CfUS25K zpNZ^GOR4mw)Oo8~tIc0dy&^y1^kE?E{y-6S5&VF!@Cn|+9z2KL{HyXg`3=<5NI<{4(ZL(xqbwL&}iZcvTK3lqNw>!s0QNkES oU8JzF8p2o>hWyAR2!hP}9Xu~_69>o1tlz=15ynG8!Qi;$5Bd1r*#H0l delta 120 zcmZoTz}T>Wae}lUD+2=q2*UvLL>*&MRtCLzSzi7h3@m(74E((OJNfGQq&5o*EaTlQ r#dk}P$285{DB08^Db2(pd6U8yej#K5UXW1&K-Ks8Cr*%NL*)VhkJ1_o diff --git a/lib/migrations/versions/05801cdff390_create_freebies_table.py b/lib/migrations/versions/05801cdff390_create_freebies_table.py new file mode 100644 index 000000000..e0e3f9c4b --- /dev/null +++ b/lib/migrations/versions/05801cdff390_create_freebies_table.py @@ -0,0 +1,33 @@ +"""create freebies table + +Revision ID: 05801cdff390 +Revises: 5f72c58bf48c +Create Date: 2025-08-22 11:57:33.441679 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '05801cdff390' +down_revision = '5f72c58bf48c' +branch_labels = None +depends_on = None + + +def upgrade() -> None: + op.create_table( + 'freebies', + sa.Column('id', sa.Integer, primary_key=True), + sa.Column('item_name', sa.String(length=255), nullable=False), + sa.Column('value', sa.Integer, nullable=False), + sa.Column('company_id', sa.Integer, nullable=False), + sa.Column('dev_id', sa.Integer, nullable=False), + sa.ForeignKeyConstraint(['company_id'], ['companies.id']), + sa.ForeignKeyConstraint(['dev_id'], ['devs.id']) + ) + + +def downgrade() -> None: + op.drop_table("freebies") diff --git a/lib/models.py b/lib/models.py index 2681bee5a..3b6f9a3d4 100644 --- a/lib/models.py +++ b/lib/models.py @@ -19,11 +19,59 @@ class Company(Base): def __repr__(self): return f'' + freebies = relationship("Freebie", back_populates="company") + devs = relationship( + "Dev", + secondary="freebies", + primaryjoin="Company.id==Freebie.company_id", + secondaryjoin="Dev.id==Freebie.dev_id", + viewonly=True + ) + + def give_freebie(self, dev, item_name, value): + """Create and give a freebie to a dev from this company.""" + return Freebie(item_name=item_name, value=value, dev=dev, company=self) + + class Dev(Base): __tablename__ = 'devs' id = Column(Integer(), primary_key=True) - name= Column(String()) + name = Column(String()) def __repr__(self): return f'' + + freebies = relationship("Freebie", back_populates="dev") + companies = relationship( + "Company", + secondary="freebies", + primaryjoin="Dev.id==Freebie.dev_id", + secondaryjoin="Company.id==Freebie.company_id", + viewonly=True + ) + + def received_freebie(self, item_name, value, company): + """Receive a freebie from a company.""" + return Freebie(item_name=item_name, value=value, company=company, dev=self) + + +class Freebie(Base): + __tablename__ = "freebies" + + id = Column(Integer, primary_key=True) + item_name = Column(String(length=255), nullable=False) + value = Column(Integer, nullable=False) + + company_id = Column(Integer, ForeignKey("companies.id"), nullable=False) + dev_id = Column(Integer, ForeignKey("devs.id"), nullable=False) + + company = relationship("Company", back_populates="freebies") + dev = relationship("Dev", back_populates="freebies") + + def __repr__(self): + return f"" + + def print_details(self): + """Print details of who owns the freebie and from which company.""" + print(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..da4593189 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,29 @@ #!/usr/bin/env python3 # Script goes here! +from models import Company,Dev,Freebie +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +if __name__ == "__main__": + engine = create_engine('sqlite:///freebies.db') + Session = sessionmaker(bind=engine) + session = Session() + +company1 = Company(name= "Google",founding_year = 1998) +company2 = Company(name= "Amazon",founding_year = 1994) +company3 = Company(name= "Microsoft",founding_year = 1975) + +dev1 = Dev(name ="Lydia") +dev2 = Dev(name ="Bob") +dev3 = Dev(name= "Alice") + +freebie1 = Freebie(item_name="Sticker",value=5,company=company1,dev=dev1) +freebie2 = Freebie(item_name="Mug",value=10,company=company2,dev=dev2) +freebie3 = Freebie(item_name="T-Shirt",value=20,company=company3,dev=dev3) + +session.add_all([company1,company2,company3,dev1,dev2,dev3,freebie1,freebie2,freebie3]) +session.commit() +session.close() + +