From 8ea90c539da559e941bbce48bb6d48ca12d7738b Mon Sep 17 00:00:00 2001 From: Arnold Wainaina Date: Wed, 28 May 2025 22:10:29 +0300 Subject: [PATCH] Complete Phase 3 Freebie Tracker --- freebies.db | Bin 0 -> 16384 bytes lib/debug.py | 11 ++-- lib/freebies.db | Bin 20480 -> 24576 bytes .../524ee5c69a6d_create_freebies_table.py | 30 +++++++++++ lib/models.py | 49 ++++++++++++------ lib/seed.py | 23 ++++++++ 6 files changed, 93 insertions(+), 20 deletions(-) create mode 100644 freebies.db create mode 100644 lib/migrations/versions/524ee5c69a6d_create_freebies_table.py diff --git a/freebies.db b/freebies.db new file mode 100644 index 0000000000000000000000000000000000000000..dba4679b971b9c7e0f9916148c6196296b729a41 GIT binary patch literal 16384 zcmeI%zi!h&90%|_+h7uun4wXID(a1~1T4G&Cc3tv#)XRkb&6d3Laiot<+znPraT@? z-=N|FDlsuJ;EQpJ19U`+^gYQw`>UVt&u2S%^v;cQ$tGzw3v%{?JRy{lmy8iYj9*vL zEt_84RaP}xJ>1h9pwn9k0E;2D~4|zal{Vz5$ng1ttxj91t0Et zD(jcy*i7(UF1R<~BUVK7zt-N(P^&NFV#~{qns%s}-A;!t?4^eqO!MXNNB2a+cK^Ru5WjzEyk={Q9Jm^gM~;9}zcJfb@3I!QW>%Jct?`u~4Z ztHlchAOHafKmY;|fB*y_009U<00NsLU}+D@Hl>YG9*3tgd!V(c3K|Xn+59BV@~xkC ChPHPA literal 0 HcmV?d00001 diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..46d218c25 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,9 +1,12 @@ #!/usr/bin/env python3 +from models import Company, Dev, 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() + +import ipdb; ipdb.set_trace() -if __name__ == '__main__': - engine = create_engine('sqlite:///freebies.db') - import ipdb; ipdb.set_trace() diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c963e832db481e7a7493e3029e691ac4dc..3b9323d783f9d50952038bc26921a57a676b35fc 100644 GIT binary patch delta 422 zcmZozz}Rqrae}lUI|Bm)8xX?)%S0Vxadrm1a4%l|9}KKKD;W5B`FHZw^GWfn*w|>q zW73q*$}TP|%h+mIl9-f}npTvWnv|JZ45QhcgIpa$TopnboqSvsprVr<`D8*eOHy;= z^AdAY6~Y{YoIMdd){X$&bT~TFHQp@5qQ(#gcwaNLp z1&Mi;K+(zX`DE%rLeBnv!68A8K>Z47+3_&P#6$FgsA2^-{~%XScRvMh*GLVBxTZpo ztD9?(tDm!LumV_(MrMj89^()e$3vJvk1H4>8;nqaVmLxI$ObOW%~E`~1-Xq(Qd3Qn W%`6kmQZ^}kWae}lUD+2=q2*UvLL>*&MRtCLzSzi7h3@m(74E((OJNfGQq&5o*EaTlQ d#dlkfJI&lE+0-H_&BP*klfqYiWd0%p1ppjh6j1;G diff --git a/lib/migrations/versions/524ee5c69a6d_create_freebies_table.py b/lib/migrations/versions/524ee5c69a6d_create_freebies_table.py new file mode 100644 index 000000000..cf17cf5dc --- /dev/null +++ b/lib/migrations/versions/524ee5c69a6d_create_freebies_table.py @@ -0,0 +1,30 @@ +"""Create freebies table + +Revision ID: 524ee5c69a6d +Revises: 5f72c58bf48c +Create Date: 2025-05-28 21:58:26.882000 +""" + +from alembic import op +import sqlalchemy as sa + +# revision identifiers, used by Alembic. +revision = '524ee5c69a6d' +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(), nullable=False), + sa.Column('value', sa.Integer(), nullable=False), + sa.Column('dev_id', sa.Integer(), sa.ForeignKey('devs.id')), + sa.Column('company_id', sa.Integer(), sa.ForeignKey('companies.id')), + ) + + +def downgrade() -> None: + op.drop_table('freebies') diff --git a/lib/models.py b/lib/models.py index 2681bee5a..7235cef16 100644 --- a/lib/models.py +++ b/lib/models.py @@ -1,29 +1,46 @@ -from sqlalchemy import ForeignKey, Column, Integer, String, MetaData +from sqlalchemy import Column, Integer, String, ForeignKey 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", -} -metadata = MetaData(naming_convention=convention) - -Base = declarative_base(metadata=metadata) +Base = declarative_base() class Company(Base): __tablename__ = 'companies' + id = Column(Integer, primary_key=True) + name = Column(String) + founding_year = Column(Integer) + + freebies = relationship('Freebie', backref='company') + devs = relationship('Dev', secondary='freebies', viewonly=True, backref='companies') - id = Column(Integer(), primary_key=True) - name = Column(String()) - founding_year = Column(Integer()) + def give_freebie(self, dev, item_name, value): + return Freebie(item_name=item_name, value=value, dev=dev, company=self) - def __repr__(self): - return f'' + @classmethod + def oldest_company(cls, session): + return session.query(cls).order_by(cls.founding_year).first() class Dev(Base): __tablename__ = 'devs' + id = Column(Integer, primary_key=True) + name = Column(String) + + freebies = relationship('Freebie', backref='dev') + + 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 - id = Column(Integer(), primary_key=True) - name= Column(String()) +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'' + def print_details(self): + return 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..37eb8d17d 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,26 @@ #!/usr/bin/env python3 # Script goes here! + +from sqlalchemy.orm import sessionmaker +from sqlalchemy import create_engine +from models import Company, Dev, Freebie, Base + +engine = create_engine('sqlite:///freebies.db') +Session = sessionmaker(bind=engine) +session = Session() + +# Drop and recreate tables +Base.metadata.drop_all(engine) +Base.metadata.create_all(engine) + +dev1 = Dev(name="Anold") +dev2 = Dev(name="Lina") +company1 = Company(name="TechCorp", founding_year=2000) +company2 = Company(name="HackInc", founding_year=1995) + +f1 = Freebie(item_name="T-shirt", value=20, dev=dev1, company=company1) +f2 = Freebie(item_name="Sticker", value=5, dev=dev2, company=company1) + +session.add_all([dev1, dev2, company1, company2, f1, f2]) +session.commit()