From e370e64f3c5c9a5e87d2c27a44acd6a49122e09b Mon Sep 17 00:00:00 2001
From: CAROLKOECH <koechc44@gmail.com>
Date: Fri, 1 Sep 2023 20:01:25 +0300
Subject: [PATCH] done

---
 lib/__pycache__/models.cpython-310.pyc | Bin 0 -> 2973 bytes
 lib/debug.py                           |  36 +++++++++++++++--
 lib/freebies.db                        | Bin 20480 -> 20480 bytes
 lib/models.py                          |  52 +++++++++++++++++++++++--
 4 files changed, 82 insertions(+), 6 deletions(-)
 create mode 100644 lib/__pycache__/models.cpython-310.pyc

diff --git a/lib/__pycache__/models.cpython-310.pyc b/lib/__pycache__/models.cpython-310.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..45fef0cd288f8848b2422905131730c98fcaea8e
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diff --git a/lib/debug.py b/lib/debug.py
index 4f922eb69..c5feaf39d 100644
--- a/lib/debug.py
+++ b/lib/debug.py
@@ -1,9 +1,39 @@
 #!/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')
-    import ipdb; ipdb.set_trace()
+    Session = sessionmaker(bind=engine)
+    session = Session()
+
+    # Creating sample data
+    company1 = Company(name="Company A", founding_year=1990)
+    company2 = Company(name="Company B", founding_year=2000)
+    dev1 = Dev(name="Dev X")
+    dev2 = Dev(name="Dev Y")
+
+    # Add companies and devs to the session
+    session.add_all([company1, company2, dev1, dev2])
+    session.commit()
+
+    # Test the give_freebie method
+    freebie1 = company1.give_freebie(dev1, "T-shirt", 10)
+    freebie2 = company2.give_freebie(dev2, "Sticker", 5)
+
+    # Test the print_details method
+    print(freebie1.print_details())  # Should print: Dev X owns a T-shirt from Company A
+
+    # Test the oldest_company method
+    oldest = Company.oldest_company(session)
+    print(f"The oldest company is: {oldest.name}")  # Should print: The oldest company is: Company A
+
+    # Test the received_one method
+    print(dev1.received_one("T-shirt"))  # Should print: True
+    print(dev2.received_one("T-shirt"))  # Should print: False
+
+    # Test the give_away method
+    dev1.give_away(dev2, freebie1)
+    print(freebie1.dev.name)  # Should print: Dev Y
diff --git a/lib/freebies.db b/lib/freebies.db
index 12beb1c963e832db481e7a7493e3029e691ac4dc..86c1d7be2b3578e3ddc773637ad218919c90e111 100644
GIT binary patch
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diff --git a/lib/models.py b/lib/models.py
index 2681bee5a..998be6036 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -15,15 +15,61 @@ class Company(Base):
     id = Column(Integer(), primary_key=True)
     name = Column(String())
     founding_year = Column(Integer())
-
+    
+    # Define the relationship between Company and Freebie
+    freebies = relationship("Freebie", back_populates="company")
+    
     def __repr__(self):
         return f'<Company {self.name}>'
 
+    def give_freebie(self, dev, item_name, value):
+        # Create a new Freebie associated with this company and the given dev
+        freebie = Freebie(item_name=item_name, value=value, dev=dev, company=self)
+        return freebie
+
+    @classmethod
+    def oldest_company(cls, session):
+        # Return the Company instance with the earliest founding year
+        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())
+    
+    # Define the relationship between Dev and Freebie
+    freebies = relationship("Freebie", back_populates="dev")
+    
     def __repr__(self):
         return f'<Dev {self.name}>'
+
+    def received_one(self, item_name):
+        # Check if any of the freebies associated with the dev has the given item_name
+        return any(freebie.item_name == item_name for freebie in self.freebies)
+
+    def give_away(self, other_dev, freebie):
+        # Change the freebie's dev to be the given dev if it belongs to the current dev
+        if freebie.dev == self:
+            freebie.dev = other_dev
+
+class Freebie(Base):
+    __tablename__ = 'freebies'
+
+    id = Column(Integer(), primary_key=True)
+    item_name = Column(String())
+    value = Column(Integer())
+    
+    # Define foreign key relationships to Dev and Company
+    dev_id = Column(Integer(), ForeignKey('devs.id'))
+    company_id = Column(Integer(), ForeignKey('companies.id'))
+    
+    # Define the relationships between Freebie and Dev/Company
+    dev = relationship("Dev", back_populates="freebies")
+    company = relationship("Company", back_populates="freebies")
+    
+    def __repr__(self):
+        return f'<Freebie {self.item_name}>'
+
+    def print_details(self):
+        return f'{self.dev.name} owns a {self.item_name} from {self.company.name}'