From 857f1f29d3453b5d1b42cd401d1d15cceedb9996 Mon Sep 17 00:00:00 2001
From: chrisngili <ngilichristopher@gmail.com>
Date: Sun, 25 May 2025 00:49:40 +0300
Subject: [PATCH 1/5] populated models and seed

---
 lib/models.py | 39 ++++++++++++++++++++++++++++++++++++++-
 lib/seed.py   |  4 ++++
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/lib/models.py b/lib/models.py
index 2681bee5a..30b06102f 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,5 +1,5 @@
 from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
-from sqlalchemy.orm import relationship, backref
+from sqlalchemy.orm import relationship, backref, sessionmaker
 from sqlalchemy.ext.declarative import declarative_base
 
 convention = {
@@ -18,6 +18,21 @@ class Company(Base):
 
     def __repr__(self):
         return f'<Company {self.name}>'
+    freebies = relationship('Freebie', backref='company')
+    devs = relationship('Dev', secondary='freebies', backref='companies')
+
+    def give_freebie(self, dev, item_name, value):
+        freebie = Freebie(
+            item_name = item_name,
+            value=value,
+            company_id=self.id
+            dev_id=dev.id
+        )
+        return freebie
+    
+    @classmethod
+    def oldest_company(cls):
+        return session.query(cls).order_by(cls.founding_year).first()
 
 class Dev(Base):
     __tablename__ = 'devs'
@@ -27,3 +42,25 @@ class Dev(Base):
 
     def __repr__(self):
         return f'<Dev {self.name}>'
+    
+    def received_one(self, item_name):
+        return any(freebie.item_name == item_name for freebie in self.freebies)
+    
+    def give_away(self, other_dev, freebie):
+        if freebie.dev_id == self.id:
+            freebie.dev_id == other_dev.id
+
+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'))
+
+    company = relationship('Company', backref='freebies')
+    dev = relationship('Dev', backref='freebies')
+
+    def printer(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..14123dedd 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -1,3 +1,7 @@
 #!/usr/bin/env python3
 
 # Script goes here!
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from models import Base, Company, Dev, Freebie

From 4147b5463cb23fe782733e4c1e46eb462051ee57 Mon Sep 17 00:00:00 2001
From: chrisngili <ngilichristopher@gmail.com>
Date: Sun, 25 May 2025 18:26:42 +0300
Subject: [PATCH 2/5] populating seed.py

---
 lib/models.py | 19 +++++++++++--------
 lib/seed.py   | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 8 deletions(-)

diff --git a/lib/models.py b/lib/models.py
index 30b06102f..97d520e96 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,5 +1,5 @@
 from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
-from sqlalchemy.orm import relationship, backref, sessionmaker
+from sqlalchemy.orm import relationship, backref
 from sqlalchemy.ext.declarative import declarative_base
 
 convention = {
@@ -16,22 +16,23 @@ class Company(Base):
     name = Column(String())
     founding_year = Column(Integer())
 
+    freebies = relationship('Freebie', backref='company')
+
     def __repr__(self):
         return f'<Company {self.name}>'
-    freebies = relationship('Freebie', backref='company')
-    devs = relationship('Dev', secondary='freebies', backref='companies')
+    
 
     def give_freebie(self, dev, item_name, value):
-        freebie = Freebie(
+        freebie = Freebie (
             item_name = item_name,
             value=value,
-            company_id=self.id
+            company_id=self.id,
             dev_id=dev.id
         )
         return freebie
     
     @classmethod
-    def oldest_company(cls):
+    def oldest_company(cls, session):
         return session.query(cls).order_by(cls.founding_year).first()
 
 class Dev(Base):
@@ -40,6 +41,8 @@ class Dev(Base):
     id = Column(Integer(), primary_key=True)
     name= Column(String())
 
+    freebies = relationship('Freebie', backref='dev')
+
     def __repr__(self):
         return f'<Dev {self.name}>'
     
@@ -59,8 +62,8 @@ class Freebie(Base):
     company_id = Column(Integer, ForeignKey('companies.id'))
     dev_id = Column(Integer, ForeignKey('devs.id'))
 
-    company = relationship('Company', backref='freebies')
-    dev = relationship('Dev', backref='freebies')
+    # company = relationship('Company', backref='freebies')
+    # dev = relationship('Dev', backref='freebies')
 
     def printer(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 14123dedd..ae3109e4a 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -5,3 +5,37 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from models import Base, Company, Dev, Freebie
+
+engine = create_engine('sqlite:///freebies.db')
+
+Base.metadata.creaet_all(engine)
+
+Session = sessionmaker(bind=engine)
+session = Session()
+
+if __name__ == '__main__':
+    company = Company(name="Safaricom", founding_year = 1997)
+    session.add(company)
+
+    dev = Dev(name = "Mike")
+    session.add(dev)
+
+    freebie = company.give_freebie(dev, "Laptop", 1500 )
+    session.add(freebie)
+
+    session.commit()
+
+    print(freebie.printer())
+
+    oldest = Company.oldest_company(session)
+    print(f'The oldest company is {oldest.name} founded in {oldest.founding_year}')
+
+    has_laptop = dev.received_one('Laptop')
+    print(f'Did {dev.name} receive a Laptop? {has_laptop}')
+
+    new_dev = Dev(name='Jane Smith')
+    session.add(new_dev)
+    session.commit()
+    dev.give_away(new_dev, freebie)
+    session.commit()
+    print(freebie.printer())

From 40a4516e8958a93624500d4a1c3af594fbaaea0f Mon Sep 17 00:00:00 2001
From: chrisngili <ngilichristopher@gmail.com>
Date: Sun, 25 May 2025 20:44:36 +0300
Subject: [PATCH 3/5] all deliverables satisfied

---
 lib/freebies.db                               | Bin 20480 -> 32768 bytes
 lib/migrations/versions/52061ccfa385_first.py |  28 +++++++++++++
 lib/migrations/versions/aae5e6efadd3_first.py |  37 ++++++++++++++++++
 lib/models.py                                 |  36 ++++++++++-------
 lib/seed.py                                   |  27 +++++++------
 5 files changed, 102 insertions(+), 26 deletions(-)
 create mode 100644 lib/migrations/versions/52061ccfa385_first.py
 create mode 100644 lib/migrations/versions/aae5e6efadd3_first.py

diff --git a/lib/freebies.db b/lib/freebies.db
index 12beb1c963e832db481e7a7493e3029e691ac4dc..f47d1d6dc90b9e8e28e54465d369c64db2f8bb1f 100644
GIT binary patch
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delta 118
zcmZo@U}{*vI6+#Fm4Sf)gkgYrqK>gBD}!FVEHD2L1{OXk27X@toqY9tQkw+@mho<u
q;=3)#on~&7Y-*8|W@3@NN#QHMAQGP!WRSpS!Gst56DJ6<p>hFC0vZAU

diff --git a/lib/migrations/versions/52061ccfa385_first.py b/lib/migrations/versions/52061ccfa385_first.py
new file mode 100644
index 000000000..ddfb7c051
--- /dev/null
+++ b/lib/migrations/versions/52061ccfa385_first.py
@@ -0,0 +1,28 @@
+"""first
+
+Revision ID: 52061ccfa385
+Revises: aae5e6efadd3
+Create Date: 2025-05-25 18:31:45.854663
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '52061ccfa385'
+down_revision = 'aae5e6efadd3'
+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/aae5e6efadd3_first.py b/lib/migrations/versions/aae5e6efadd3_first.py
new file mode 100644
index 000000000..9726c0d12
--- /dev/null
+++ b/lib/migrations/versions/aae5e6efadd3_first.py
@@ -0,0 +1,37 @@
+"""first
+
+Revision ID: aae5e6efadd3
+Revises: 5f72c58bf48c
+Create Date: 2025-05-25 18:27:35.448085
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'aae5e6efadd3'
+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 97d520e96..de3c6f958 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,4 +1,4 @@
-from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
+from sqlalchemy import ForeignKey, Column, Integer, String, MetaData, Table
 from sqlalchemy.orm import relationship, backref
 from sqlalchemy.ext.declarative import declarative_base
 
@@ -9,6 +9,13 @@
 
 Base = declarative_base(metadata=metadata)
 
+company_dev = Table(
+    'company_dev',
+    Base.metadata,
+    Column('company_id', ForeignKey('companies.id'), primary_key=True),
+    Column('dev_id', ForeignKey('devs.id'), primary_key=True)
+)
+
 class Company(Base):
     __tablename__ = 'companies'
 
@@ -16,21 +23,21 @@ class Company(Base):
     name = Column(String())
     founding_year = Column(Integer())
 
-    freebies = relationship('Freebie', backref='company')
+    freebies = relationship('Freebie', back_populates='company')
+    devs = relationship('Dev', secondary='company_dev', back_populates='companies')
 
     def __repr__(self):
         return f'<Company {self.name}>'
-    
 
     def give_freebie(self, dev, item_name, value):
-        freebie = Freebie (
-            item_name = item_name,
+        freebie = Freebie(
+            item_name=item_name,
             value=value,
             company_id=self.id,
             dev_id=dev.id
         )
         return freebie
-    
+
     @classmethod
     def oldest_company(cls, session):
         return session.query(cls).order_by(cls.founding_year).first()
@@ -39,22 +46,23 @@ class Dev(Base):
     __tablename__ = 'devs'
 
     id = Column(Integer(), primary_key=True)
-    name= Column(String())
+    name = Column(String())
 
-    freebies = relationship('Freebie', backref='dev')
+    freebies = relationship('Freebie', back_populates='dev')
+    companies = relationship('Company', secondary='company_dev', back_populates='devs')
 
     def __repr__(self):
         return f'<Dev {self.name}>'
-    
+
     def received_one(self, item_name):
         return any(freebie.item_name == item_name for freebie in self.freebies)
-    
+
     def give_away(self, other_dev, freebie):
         if freebie.dev_id == self.id:
-            freebie.dev_id == other_dev.id
+            freebie.dev_id = other_dev.id
 
 class Freebie(Base):
-    __tablename__='freebies'
+    __tablename__ = 'freebies'
 
     id = Column(Integer, primary_key=True)
     item_name = Column(String)
@@ -62,8 +70,8 @@ class Freebie(Base):
     company_id = Column(Integer, ForeignKey('companies.id'))
     dev_id = Column(Integer, ForeignKey('devs.id'))
 
-    # company = relationship('Company', backref='freebies')
-    # dev = relationship('Dev', backref='freebies')
+    company = relationship('Company', back_populates='freebies')
+    dev = relationship('Dev', back_populates='freebies')
 
     def printer(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 ae3109e4a..6e7c7e631 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -8,7 +8,7 @@
 
 engine = create_engine('sqlite:///freebies.db')
 
-Base.metadata.creaet_all(engine)
+Base.metadata.create_all(engine)
 
 Session = sessionmaker(bind=engine)
 session = Session()
@@ -16,26 +16,29 @@
 if __name__ == '__main__':
     company = Company(name="Safaricom", founding_year = 1997)
     session.add(company)
+    session.commit()
 
     dev = Dev(name = "Mike")
     session.add(dev)
+    session.commit()
 
     freebie = company.give_freebie(dev, "Laptop", 1500 )
     session.add(freebie)
 
     session.commit()
 
-    print(freebie.printer())
+    # print(freebie.printer())
 
-    oldest = Company.oldest_company(session)
-    print(f'The oldest company is {oldest.name} founded in {oldest.founding_year}')
+    # oldest = Company.oldest_company(session)
+    # print(f'The oldest company is {oldest.name} founded in {oldest.founding_year}')
 
-    has_laptop = dev.received_one('Laptop')
-    print(f'Did {dev.name} receive a Laptop? {has_laptop}')
+    # has_laptop = dev.received_one('Laptop')
+    # print(f'Did {dev.name} receive a Laptop? {has_laptop}')
+
+    # new_dev = Dev(name='Jane Smith')
+    # session.add(new_dev)
+    # session.commit()
+    # dev.give_away(new_dev, freebie)
+    # session.commit()
+    # print(freebie.printer())
 
-    new_dev = Dev(name='Jane Smith')
-    session.add(new_dev)
-    session.commit()
-    dev.give_away(new_dev, freebie)
-    session.commit()
-    print(freebie.printer())

From 1494a6023c8e8d0ca062bb18e70b72ec6d238aab Mon Sep 17 00:00:00 2001
From: chrisngili <ngilichristopher@gmail.com>
Date: Sun, 25 May 2025 23:13:55 +0300
Subject: [PATCH 4/5] complete

---
 lib/freebies.db | Bin 32768 -> 0 bytes
 lib/seed.py     |   5 +++++
 2 files changed, 5 insertions(+)
 delete mode 100644 lib/freebies.db

diff --git a/lib/freebies.db b/lib/freebies.db
deleted file mode 100644
index f47d1d6dc90b9e8e28e54465d369c64db2f8bb1f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/lib/seed.py b/lib/seed.py
index 6e7c7e631..5c2399952 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -27,6 +27,11 @@
 
     session.commit()
 
+
+    # Tests(Uncomment them then run seed.py in the terminal)
+
+
+
     # print(freebie.printer())
 
     # oldest = Company.oldest_company(session)

From f83c70f2b6fb1f1a0e33214b40ef417cacd66254 Mon Sep 17 00:00:00 2001
From: chrisngili <ngilichristopher@gmail.com>
Date: Mon, 26 May 2025 00:10:47 +0300
Subject: [PATCH 5/5] Final touches done

---
 lib/models.py | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/lib/models.py b/lib/models.py
index de3c6f958..dbd283671 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,5 +1,5 @@
-from sqlalchemy import ForeignKey, Column, Integer, String, MetaData, Table
-from sqlalchemy.orm import relationship, backref
+from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
+from sqlalchemy.orm import relationship
 from sqlalchemy.ext.declarative import declarative_base
 
 convention = {
@@ -9,12 +9,11 @@
 
 Base = declarative_base(metadata=metadata)
 
-company_dev = Table(
-    'company_dev',
-    Base.metadata,
-    Column('company_id', ForeignKey('companies.id'), primary_key=True),
-    Column('dev_id', ForeignKey('devs.id'), primary_key=True)
-)
+class CompanyDev(Base):
+    __tablename__ = 'company_dev'
+
+    company_id = Column(Integer, ForeignKey('companies.id'), primary_key=True)
+    dev_id = Column(Integer, ForeignKey('devs.id'), primary_key=True)
 
 class Company(Base):
     __tablename__ = 'companies'