From 4fddbab5c4aed9030637c26d2138c17eb9865687 Mon Sep 17 00:00:00 2001
From: Rose Momanyi <rosebmomanyi@gmail.com>
Date: Mon, 26 May 2025 00:54:29 +0300
Subject: [PATCH 1/5] Created a model to create freebie table.

---
 database.db | Bin 0 -> 16384 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 database.db

diff --git a/database.db b/database.db
new file mode 100644
index 0000000000000000000000000000000000000000..c1d2b6be2f890ce93ecd058fed219d0d8d09038b
GIT binary patch
literal 16384
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c|HrEU0SG_<0uX=z1Rwwb2tWV=5IBB;Z}Dxp0RR91

literal 0
HcmV?d00001


From 0b12c32a760bc51dc80af5419dfa9000d7df7cf4 Mon Sep 17 00:00:00 2001
From: Rose Momanyi <rosebmomanyi@gmail.com>
Date: Mon, 26 May 2025 00:54:45 +0300
Subject: [PATCH 2/5] Created debug file.

---
 lib/debug.py | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/lib/debug.py b/lib/debug.py
index 4f922eb69..c7d22c5e7 100644
--- a/lib/debug.py
+++ b/lib/debug.py
@@ -1,9 +1,46 @@
 #!/usr/bin/env python3
 
 from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from models import Company, Dev, Freebie , Base
+
+# Create an SQLite database engine and initialize the database
+engine = create_engine('sqlite:///database.db')
+
+Base.metadata.create_all(engine)
+
+# Create a session to interact with the database
+Session = sessionmaker(bind=engine)
+session = Session()
 
-from models import Company, Dev
 
 if __name__ == '__main__':
-    engine = create_engine('sqlite:///freebies.db')
     import ipdb; ipdb.set_trace()
+
+   
+    company1= Company(name = "R&B Ltd.", founding_year = 2011) 
+    company2= Company(name = "Momanyi B&G Ltd.", founding_year = 1999) 
+    company3= Company(name = "Kiango Kenya Ltd.", founding_year = 1989) 
+    company4= Company(name = "Boyani Ltd.", founding_year = 2013) 
+
+    dev1= Dev(name= "Rose B. Momanyi")
+    dev2= Dev(name= "Vincent A. Asumari")
+    dev3= Dev(name= "Josiah O. Ombasa")
+    dev4= Dev(name= "Diana B. Ondieki")
+
+    session.add_all([company1, company2, company3, company4, dev1, dev2, dev3, dev4])
+    session.commit()
+
+    # Assign freebies to developers from specific companies
+    company1.give_freebie(dev1, "Laptop", 1)
+    company1.give_freebie(dev2, "smartwatch", 2)
+
+    company2.give_freebie(dev1, "notebook", 3)
+    company2.give_freebie(dev2, "Headphones", 4)
+
+    freebies = session.query(Freebie).all()
+    for freebie in freebies:
+        print(freebie.print_details())
+
+    print(dev1.received_one("Laptop"))
+    print(dev1.received_one("smart watch"))
\ No newline at end of file

From c279d6fcfccf42651d63fe58a84fa311a97d276c Mon Sep 17 00:00:00 2001
From: Rose Momanyi <rosebmomanyi@gmail.com>
Date: Mon, 26 May 2025 01:03:38 +0300
Subject: [PATCH 3/5] Created models

---
 lib/models.py | 49 +++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 43 insertions(+), 6 deletions(-)

diff --git a/lib/models.py b/lib/models.py
index 2681bee5a..4eee525af 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,29 +1,66 @@
 from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
-from sqlalchemy.orm import relationship, backref
-from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship, 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)
 
 class Company(Base):
     __tablename__ = 'companies'
-
     id = Column(Integer(), primary_key=True)
     name = Column(String())
     founding_year = Column(Integer())
 
+    freebies = relationship('Freebie', back_populates='company', cascade="all, delete-orphan")
+    devs = relationship('Dev', secondary='freebies', back_populates='companies', overlaps="freebies,dev")
+
     def __repr__(self):
         return f'<Company {self.name}>'
 
+    def give_freebie(self, dev, item_name, value):
+        freebie = Freebie(item_name=item_name, value=value, dev=dev, company=self)
+        return freebie
+
+    @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())
+    name = Column(String())
+
+    freebies = relationship('Freebie', back_populates='dev', cascade="all, delete-orphan")
+    companies = relationship('Company', secondary='freebies', back_populates='devs', overlaps="freebies,company")
 
     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, dev, freebie, session):
+        if freebie.dev == self:
+            freebie.dev = dev
+            session.commit()
+        else:
+            raise ValueError("You cannot give away freebies that don't belong to you.")
+
+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', back_populates='freebies', overlaps="companies,devs")
+    company = relationship('Company', back_populates='freebies', overlaps="companies,devs")
+
+    def __repr__(self):
+        return f'<Freebie {self.item_name}, {self.value}>'
+
+    def print_details(self):
+        return f"{self.dev.name} owns a {self.item_name} from {self.company.name}"

From 218e69a329fece8cada25cbb3f5397d2916ed420 Mon Sep 17 00:00:00 2001
From: Rose Momanyi <rosebmomanyi@gmail.com>
Date: Mon, 26 May 2025 01:04:23 +0300
Subject: [PATCH 4/5] Added data to seed file.

---
 lib/seed.py | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/lib/seed.py b/lib/seed.py
index b16becbbb..f190b024d 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -1,3 +1,43 @@
 #!/usr/bin/env python3
 
 # Script goes here!
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from models import Company, Dev, Freebie, Base
+
+
+engine = create_engine('sqlite:///database.db')
+Base.metadata.create_all(engine)
+Session = sessionmaker(bind=engine)
+session = Session()
+
+
+company1= Company(name = "R&B Ltd.", founding_year = 2011) 
+company2= Company(name = "Momanyi B&G Ltd.", founding_year = 1999) 
+company3= Company(name = "Kiango Kenya Ltd.", founding_year = 1989) 
+company4= Company(name = "Boyani Ltd.", founding_year = 2013) 
+
+
+dev1= Dev(name= "Rose B. Momanyi")
+dev2= Dev(name= "Vincent A. Asumari")
+dev3= Dev(name= "Josiah O. Ombasa")
+dev4= Dev(name= "Diana B. Ondieki")
+
+session.add_all([company1, company2, company3, company4, dev1, dev2, dev3, dev4])
+session.commit()
+
+# Give freebies
+session.add_all([
+    company1.give_freebie(dev1, "Laptop", 1),
+    company1.give_freebie(dev2, "Stylus", 2),
+    company2.give_freebie(dev1, "iPad", 3),
+    company2.give_freebie(dev2, "Headphones", 4),
+    company3.give_freebie(dev3, "Phone", 5),
+    company4.give_freebie(dev4, "Tablet", 6)
+])
+session.commit()
+
+# Print all freebies
+for freebie in session.query(Freebie).all():
+  print(freebie.print_details())

From 8ebfbfe5704f63874f4a05b9dc5bf12baf8dfa0a Mon Sep 17 00:00:00 2001
From: Rose Momanyi <rosebmomanyi@gmail.com>
Date: Mon, 26 May 2025 01:45:11 +0300
Subject: [PATCH 5/5] Refactored Code

---
 database.db                           | Bin 16384 -> 16384 bytes
 lib/__pycache__/models.cpython-38.pyc | Bin 0 -> 3269 bytes
 lib/debug.py                          |   7 +++++++
 lib/freebies.db                       | Bin 20480 -> 0 bytes
 lib/seed.py                           |  11 +++++++++--
 5 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 lib/__pycache__/models.cpython-38.pyc
 delete mode 100644 lib/freebies.db

diff --git a/database.db b/database.db
index c1d2b6be2f890ce93ecd058fed219d0d8d09038b..c675042367b32ac8bb654870b44f32a8a3c65d8f 100644
GIT binary patch
delta 430
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HEwZ&A8)|2<

delta 60
scmZo@U~Fh$oFL7}JW<A(k$Gdn5`HEIfz65nRs0htG_dh900Ay80L}{z>;M1&

diff --git a/lib/__pycache__/models.cpython-38.pyc b/lib/__pycache__/models.cpython-38.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..164103ad1cbdf399d19da125c52954c9fae55826
GIT binary patch
literal 3269
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H@0I@pI{MQs

literal 0
HcmV?d00001

diff --git a/lib/debug.py b/lib/debug.py
index c7d22c5e7..cc372a8a0 100644
--- a/lib/debug.py
+++ b/lib/debug.py
@@ -31,6 +31,7 @@
     session.add_all([company1, company2, company3, company4, dev1, dev2, dev3, dev4])
     session.commit()
 
+
     # Assign freebies to developers from specific companies
     company1.give_freebie(dev1, "Laptop", 1)
     company1.give_freebie(dev2, "smartwatch", 2)
@@ -38,6 +39,12 @@
     company2.give_freebie(dev1, "notebook", 3)
     company2.give_freebie(dev2, "Headphones", 4)
 
+    
+
+    company3.give_freebie(dev3, "biro", 3)
+
+    company4.give_freebie(dev4, "notebook", 1)
+
     freebies = session.query(Freebie).all()
     for freebie in freebies:
         print(freebie.print_details())
diff --git a/lib/freebies.db b/lib/freebies.db
deleted file mode 100644
index 12beb1c963e832db481e7a7493e3029e691ac4dc..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 20480
zcmeI&O^ee&7{KwFzF1pn<7FubvU6Ezs0i-5xEH}#f-cssn~lPrLYhn^*d%LT7ClM*
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l0tg_0zzz#g|L^e4<!A^XfB*srAb<b@2q1s}0tgfWe*rRWs1pDH

diff --git a/lib/seed.py b/lib/seed.py
index f190b024d..93721405c 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -17,16 +17,21 @@
 company2= Company(name = "Momanyi B&G Ltd.", founding_year = 1999) 
 company3= Company(name = "Kiango Kenya Ltd.", founding_year = 1989) 
 company4= Company(name = "Boyani Ltd.", founding_year = 2013) 
+company5= Company(name = "Rose Ltd.", founding_year = 2010) 
 
 
 dev1= Dev(name= "Rose B. Momanyi")
 dev2= Dev(name= "Vincent A. Asumari")
 dev3= Dev(name= "Josiah O. Ombasa")
 dev4= Dev(name= "Diana B. Ondieki")
+dev5= Dev(name= "Cecilia M. Wairimu")
 
-session.add_all([company1, company2, company3, company4, dev1, dev2, dev3, dev4])
+
+
+session.add_all([company1, company2, company3, company4, company5, dev1, dev2, dev3, dev4, dev5])
 session.commit()
 
+
 # Give freebies
 session.add_all([
     company1.give_freebie(dev1, "Laptop", 1),
@@ -34,7 +39,9 @@
     company2.give_freebie(dev1, "iPad", 3),
     company2.give_freebie(dev2, "Headphones", 4),
     company3.give_freebie(dev3, "Phone", 5),
-    company4.give_freebie(dev4, "Tablet", 6)
+    company4.give_freebie(dev4, "Tablet", 6),
+    company5.give_freebie(dev5, "Stethoscope", 2)
+    
 ])
 session.commit()