From 2516d8f05910a4ed10a0ba052dc7b0d08a78d8cd Mon Sep 17 00:00:00 2001 From: RoyCheruiyot Date: Sat, 29 Nov 2025 13:41:25 +0300 Subject: [PATCH] initial commit --- lib/alembic.ini | 1 + lib/db.py | 7 +++ lib/debug.py | 4 +- lib/freebies.db | Bin 20480 -> 24576 bytes .../dcc8063438ce_create_freebies_table.py | 37 +++++++++++++ lib/models.py | 49 ++++++++++++++++++ lib/seed.py | 18 ++++++- 7 files changed, 114 insertions(+), 2 deletions(-) create mode 100644 lib/db.py create mode 100644 lib/migrations/versions/dcc8063438ce_create_freebies_table.py diff --git a/lib/alembic.ini b/lib/alembic.ini index 953863ddd..a174f5c5f 100644 --- a/lib/alembic.ini +++ b/lib/alembic.ini @@ -4,6 +4,7 @@ # path to migration scripts script_location = migrations + # template used to generate migration file names; The default value is %%(rev)s_%%(slug)s # Uncomment the line below if you want the files to be prepended with date and time # see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file diff --git a/lib/db.py b/lib/db.py new file mode 100644 index 000000000..bb405897f --- /dev/null +++ b/lib/db.py @@ -0,0 +1,7 @@ +from sqlalchemy import create_engine +from sqlalchemy.orm import sessionmaker + +engine = create_engine("sqlite:///freebies.db") +Session = sessionmaker(bind=engine) + +session = Session() \ No newline at end of file diff --git a/lib/debug.py b/lib/debug.py index 4f922eb69..70b5bc480 100644 --- a/lib/debug.py +++ b/lib/debug.py @@ -1,5 +1,5 @@ #!/usr/bin/env python3 - +from db import session from sqlalchemy import create_engine from models import Company, Dev @@ -7,3 +7,5 @@ if __name__ == '__main__': engine = create_engine('sqlite:///freebies.db') import ipdb; ipdb.set_trace() + +ipdb.set_trace() \ No newline at end of file diff --git a/lib/freebies.db b/lib/freebies.db index 12beb1c963e832db481e7a7493e3029e691ac4dc..85b62205b4fe02bf1d86434f406840d43193dbc2 100644 GIT binary patch delta 406 zcmZozz}Rqrae}lUI|Bm)8xX?)%S0Vxadrm1vQA$99}KKKyBPR+`FHZw^GWgS+SusA zW6~7M$}TP|%h<|Wl9-f}npTvWnv|JZ45QhcgIpa$TopnboqSvsprVr<`DC0jOHy;= z^AdAY6~Y{YoIMvb$LYY8!DY*Fuxq7<$DR{d^Y9JJ7Dg?Q@xdyrVIlBfc zK!ibxH8N8)@mK(KoH5WH@jx2YV2GWae}lUD+2=q2*UvLL>*&MRtCLzSzi7h3@m(74E((OJNfGQq&5o*EaTlQ e#dk}P$285{DB08^Db2(pd6U8yeiVU41_}T{Q53rX diff --git a/lib/migrations/versions/dcc8063438ce_create_freebies_table.py b/lib/migrations/versions/dcc8063438ce_create_freebies_table.py new file mode 100644 index 000000000..ba98473c9 --- /dev/null +++ b/lib/migrations/versions/dcc8063438ce_create_freebies_table.py @@ -0,0 +1,37 @@ +"""create freebies table + +Revision ID: dcc8063438ce +Revises: 5f72c58bf48c +Create Date: 2025-11-29 12:28:21.212842 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'dcc8063438ce' +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('dev_id', sa.Integer(), nullable=True), + sa.Column('company_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..11e5c220e 100644 --- a/lib/models.py +++ b/lib/models.py @@ -1,6 +1,7 @@ from sqlalchemy import ForeignKey, Column, Integer, String, MetaData from sqlalchemy.orm import relationship, backref from sqlalchemy.ext.declarative import declarative_base +from db import session convention = { "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s", @@ -15,6 +16,25 @@ class Company(Base): id = Column(Integer(), primary_key=True) name = Column(String()) founding_year = Column(Integer()) + freebies = relationship("Freebie", backref="company") + + @property + def devs(self): + # All devs who collected freebies from this company + return list({freebie.dev for freebie in self.freebies}) + + def give_freebie(self, dev, item_name, value): + new_freebie = Freebie( + item_name=item_name, + value=value, + dev=dev, + company=self + ) + return new_freebie + + @classmethod + def oldest_company(cls): + return session.query(cls).order_by(cls.founding_year).first() def __repr__(self): return f'' @@ -24,6 +44,35 @@ class Dev(Base): 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.dev == self: + 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) + + dev_id = Column(Integer, ForeignKey("devs.id")) + company_id = Column(Integer, ForeignKey("companies.id")) + + dev = relationship("Dev", backref=backref("freebies", lazy="dynamic")) + company = relationship("Company", backref=backref("freebies", lazy="dynamic")) + + def print_details(self): + return f"{self.dev.name} owns a {self.item_name} from {self.company.name}" \ No newline at end of file diff --git a/lib/seed.py b/lib/seed.py index b16becbbb..93f4eff42 100644 --- a/lib/seed.py +++ b/lib/seed.py @@ -1,3 +1,19 @@ #!/usr/bin/env python3 - +from db import session +from models import Dev,Company,Freebie # Script goes here! +# Create devs +d1 = Dev(name="Roy") +d2 = Dev(name="Alice") + +# Create companies +c1 = Company(name="Google", founding_year=1998) +c2 = Company(name="Microsoft", founding_year=1975) + +# Create freebies +f1 = Freebie(item_name="T-shirt", value=20, dev=d1, company=c1) +f2 = Freebie(item_name="Sticker Pack", value=5, dev=d1, company=c2) +f3 = Freebie(item_name="Water Bottle", value=15, dev=d2, company=c1) + +session.add_all([d1, d2, c1, c2, f1, f2, f3]) +session.commit() \ No newline at end of file