From ebbcf209a2aa5d57b490db190f77ce94dd3215f3 Mon Sep 17 00:00:00 2001
From: Sheila Samita <samitasheila1@gmail.com>
Date: Sun, 25 May 2025 18:47:32 +0300
Subject: [PATCH 1/2] setting up models and running migrations

---
 lib/alembic.ini => alembic.ini                |   0
 lib/freebies.db => freebies.db                | Bin 20480 -> 12288 bytes
 lib/__init__.py                               |   0
 lib/debug.py                                  |  20 ++++-
 .../5f72c58bf48c_create_companies_devs.py     |  39 ---------
 .../versions/7a71dbf71c64_create_db.py        |  24 ------
 lib/models.py                                 |  74 +++++++++++++++++-
 lib/seed.py                                   |  16 ++++
 {lib/migrations => migrations}/README         |   0
 migrations/__init__.py                        |   0
 {lib/migrations => migrations}/env.py         |   5 +-
 {lib/migrations => migrations}/script.py.mako |   0
 migrations/versions/__init__.py               |   0
 13 files changed, 105 insertions(+), 73 deletions(-)
 rename lib/alembic.ini => alembic.ini (100%)
 rename lib/freebies.db => freebies.db (58%)
 create mode 100644 lib/__init__.py
 delete mode 100644 lib/migrations/versions/5f72c58bf48c_create_companies_devs.py
 delete mode 100644 lib/migrations/versions/7a71dbf71c64_create_db.py
 rename {lib/migrations => migrations}/README (100%)
 create mode 100644 migrations/__init__.py
 rename {lib/migrations => migrations}/env.py (96%)
 rename {lib/migrations => migrations}/script.py.mako (100%)
 create mode 100644 migrations/versions/__init__.py

diff --git a/lib/alembic.ini b/alembic.ini
similarity index 100%
rename from lib/alembic.ini
rename to alembic.ini
diff --git a/lib/freebies.db b/freebies.db
similarity index 58%
rename from lib/freebies.db
rename to freebies.db
index 12beb1c963e832db481e7a7493e3029e691ac4dc..aa73729d84185a6c6e30386b3f7d5b2846669bf4 100644
GIT binary patch
delta 67
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O@Q0s~Ycr$4e|`Xq0uCGi

delta 381
zcmZojXjs5FL0XWNfq?;pVSss}j<F~!gI>HWFaHk)7CtEkeqR2aeD!=%8w;25)+e*D
zi;IdfHfok6Cgr52q?Q$fFspNrt7C|(LWrZ2kE;SmL_vd#Gc!fO(=Wu;-8D$T&p$-L
zFVx3JM}dnoFEKY&A<Qwz*~2ji#19Da^mPo1RPc6<RM5yw(d5!><Ys0UmzQU3Oa<GL
zoS$2en3tJaoSa_|WwD@G2v<OYt!eqCc`2EB>G74RiA6AX;&6^8BfGe^He(ZK$z%!s
zH*Adj9~k&QY!(!F#xKRk$fRnTW^R;hYLS#?Vv)=R3`Zn+0e)sxPGtE-0s=q;05Zv9
Aod5s;

diff --git a/lib/__init__.py b/lib/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/lib/debug.py b/lib/debug.py
index 4f922eb69..f00629e11 100644
--- a/lib/debug.py
+++ b/lib/debug.py
@@ -1,9 +1,23 @@
 #!/usr/bin/env python3
 
 from sqlalchemy import create_engine
-
-from models import Company, Dev
+from sqlalchemy.orm import sessionmaker
+from models import Base, Company, Dev, Freebie
 
 if __name__ == '__main__':
+    # Set up database connection
     engine = create_engine('sqlite:///freebies.db')
-    import ipdb; ipdb.set_trace()
+    
+    # Create a session class and instance
+    Session = sessionmaker(bind=engine)
+    session = Session()
+    
+    # Create tables if they don't exist
+    Base.metadata.create_all(engine)
+    
+    # Make session available in debugger's global namespace
+    import __main__
+    __main__.session = session
+    
+    # Start debugger with all variables available
+    import ipdb; ipdb.set_trace()
\ No newline at end of file
diff --git a/lib/migrations/versions/5f72c58bf48c_create_companies_devs.py b/lib/migrations/versions/5f72c58bf48c_create_companies_devs.py
deleted file mode 100644
index c191bb2f9..000000000
--- a/lib/migrations/versions/5f72c58bf48c_create_companies_devs.py
+++ /dev/null
@@ -1,39 +0,0 @@
-"""create companies, devs
-
-Revision ID: 5f72c58bf48c
-Revises: 7a71dbf71c64
-Create Date: 2023-03-15 15:06:20.944586
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = '5f72c58bf48c'
-down_revision = '7a71dbf71c64'
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('companies',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=True),
-    sa.Column('founding_year', sa.Integer(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
-    op.create_table('devs',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=True),
-    sa.PrimaryKeyConstraint('id')
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade() -> None:
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('devs')
-    op.drop_table('companies')
-    # ### end Alembic commands ###
diff --git a/lib/migrations/versions/7a71dbf71c64_create_db.py b/lib/migrations/versions/7a71dbf71c64_create_db.py
deleted file mode 100644
index 23e0a655b..000000000
--- a/lib/migrations/versions/7a71dbf71c64_create_db.py
+++ /dev/null
@@ -1,24 +0,0 @@
-"""create db
-
-Revision ID: 7a71dbf71c64
-Revises: 
-Create Date: 2023-03-15 15:05:55.516631
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = '7a71dbf71c64'
-down_revision = None
-branch_labels = None
-depends_on = None
-
-
-def upgrade() -> None:
-    pass
-
-
-def downgrade() -> None:
-    pass
diff --git a/lib/models.py b/lib/models.py
index 2681bee5a..802210482 100644
--- a/lib/models.py
+++ b/lib/models.py
@@ -1,14 +1,20 @@
-from sqlalchemy import ForeignKey, Column, Integer, String, MetaData
-from sqlalchemy.orm import relationship, backref
+from sqlalchemy import ForeignKey, Column, Integer, String, MetaData, create_engine
+from sqlalchemy.orm import relationship, sessionmaker
 from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.ext.associationproxy import association_proxy
 
+# Naming convention setup for Alembic compatibility
 convention = {
     "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
 }
 metadata = MetaData(naming_convention=convention)
-
 Base = declarative_base(metadata=metadata)
 
+# Database setup
+engine = create_engine('sqlite:///freebies.db')
+Session = sessionmaker(bind=engine)
+session = Session()
+
 class Company(Base):
     __tablename__ = 'companies'
 
@@ -16,14 +22,74 @@ class Company(Base):
     name = Column(String())
     founding_year = Column(Integer())
 
+    # Relationships
+    freebies = relationship("Freebie", back_populates="company")
+    devs = association_proxy('freebies', 'dev',
+        creator=lambda dev: Freebie(dev=dev))
+
     def __repr__(self):
         return f'<Company {self.name}>'
 
+    def give_freebie(self, dev, item_name, value):
+        """Creates a new Freebie for this company and given dev"""
+        freebie = Freebie(
+            item_name=item_name,
+            value=value,
+            dev=dev,
+            company=self
+        )
+        session.add(freebie)
+        session.commit()
+        return freebie
+
+    @classmethod
+    def oldest_company(cls):
+        """Returns the company 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())
+
+    # Relationships
+    freebies = relationship("Freebie", back_populates="dev")
+    companies = association_proxy('freebies', 'company',
+        creator=lambda company: Freebie(company=company))
 
     def __repr__(self):
         return f'<Dev {self.name}>'
+
+    def received_one(self, item_name):
+        """Returns True if dev has any freebie with given item_name"""
+        return any(freebie.item_name == item_name for freebie in self.freebies)
+
+    def give_away(self, dev, freebie):
+        """Changes freebie's dev to given dev if it belongs to current dev"""
+        if freebie.dev == self:
+            freebie.dev = dev
+            session.commit()
+
+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'))
+
+    # Relationships
+    company = relationship("Company", back_populates="freebies")
+    dev = relationship("Dev", back_populates="freebies")
+
+    def __repr__(self):
+        return f"<Freebie {self.item_name} (${self.value}) from {self.company.name} to {self.dev.name}>"
+
+    def print_details(self):
+        """Returns formatted string with freebie details"""
+        return f"{self.dev.name} owns a {self.item_name} from {self.company.name}"
+
+# Create all tables
+Base.metadata.create_all(engine)
\ No newline at end of file
diff --git a/lib/seed.py b/lib/seed.py
index b16becbbb..85244d7a9 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -1,3 +1,19 @@
 #!/usr/bin/env python3
 
 # Script goes here!
+from models import Company, Dev, Freebie
+from database import session
+
+c1 = Company(name="Google", founding_year=1998)
+c2 = Company(name="Microsoft", founding_year=1975)
+
+d1 = Dev(name="Alice")
+d2 = Dev(name="Bob")
+
+f1 = Freebie(item_name="Sticker", value=1, company=c1, dev=d1)
+f2 = Freebie(item_name="Mug", value=10, company=c2, dev=d1)
+f3 = Freebie(item_name="T-shirt", value=20, company=c1, dev=d2)
+
+session.add_all([c1, c2, d1, d2, f1, f2, f3])
+session.commit()
+
diff --git a/lib/migrations/README b/migrations/README
similarity index 100%
rename from lib/migrations/README
rename to migrations/README
diff --git a/migrations/__init__.py b/migrations/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/lib/migrations/env.py b/migrations/env.py
similarity index 96%
rename from lib/migrations/env.py
rename to migrations/env.py
index c7aab9656..6626bfd0c 100644
--- a/lib/migrations/env.py
+++ b/migrations/env.py
@@ -18,8 +18,7 @@
 # for 'autogenerate' support
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
-from models import Base
-target_metadata = Base.metadata
+target_metadata = None
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
@@ -66,7 +65,7 @@ def run_migrations_online() -> None:
 
     with connectable.connect() as connection:
         context.configure(
-            connection=connection, target_metadata=target_metadata, render_as_batch=True,
+            connection=connection, target_metadata=target_metadata
         )
 
         with context.begin_transaction():
diff --git a/lib/migrations/script.py.mako b/migrations/script.py.mako
similarity index 100%
rename from lib/migrations/script.py.mako
rename to migrations/script.py.mako
diff --git a/migrations/versions/__init__.py b/migrations/versions/__init__.py
new file mode 100644
index 000000000..e69de29bb

From 90250a61323cc5afee118ed85c570a997ea2868f Mon Sep 17 00:00:00 2001
From: Sheila Samita <samitasheila1@gmail.com>
Date: Tue, 27 May 2025 12:55:15 +0300
Subject: [PATCH 2/2] Finalized Freebie Tracker project with database updates

---
 Pipfile                               |   2 +-
 Pipfile.lock                          | 190 ++++++++++++++++++++------
 freebies.db                           | Bin 12288 -> 24576 bytes
 lib/__pycache__/models.cpython-38.pyc | Bin 0 -> 3929 bytes
 lib/database.py                       |   6 +
 lib/seed.py                           |   2 +
 6 files changed, 156 insertions(+), 44 deletions(-)
 create mode 100644 lib/__pycache__/models.cpython-38.pyc
 create mode 100644 lib/database.py

diff --git a/Pipfile b/Pipfile
index 63c79cd98..5bda56b8b 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,7 +8,7 @@ alembic = "1.8.1"
 importlib-metadata = "6.0.0"
 importlib-resources = "5.10.0"
 ipdb = "0.13.9"
-sqlalchemy = "1.4.42"
+sqlalchemy = "*"
 
 [dev-packages]
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 3923f4a97..0f559e3c7 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "fa62c636b7ae5acb4993fc7b007a651c55b562aa29962a9a8585ec314b352ae6"
+            "sha256": "7fa3316bc11173caf22a4489dce1c5b998e8410b8a3a2cffd1d3590de64e857f"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -61,6 +61,85 @@
             ],
             "version": "==1.2.0"
         },
+        "greenlet": {
+            "hashes": [
+                "sha256:0153404a4bb921f0ff1abeb5ce8a5131da56b953eda6e14b88dc6bbc04d2049e",
+                "sha256:03a088b9de532cbfe2ba2034b2b85e82df37874681e8c470d6fb2f8c04d7e4b7",
+                "sha256:04b013dc07c96f83134b1e99888e7a79979f1a247e2a9f59697fa14b5862ed01",
+                "sha256:05175c27cb459dcfc05d026c4232f9de8913ed006d42713cb8a5137bd49375f1",
+                "sha256:09fc016b73c94e98e29af67ab7b9a879c307c6731a2c9da0db5a7d9b7edd1159",
+                "sha256:0bbae94a29c9e5c7e4a2b7f0aae5c17e8e90acbfd3bf6270eeba60c39fce3563",
+                "sha256:0fde093fb93f35ca72a556cf72c92ea3ebfda3d79fc35bb19fbe685853869a83",
+                "sha256:1443279c19fca463fc33e65ef2a935a5b09bb90f978beab37729e1c3c6c25fe9",
+                "sha256:1776fd7f989fc6b8d8c8cb8da1f6b82c5814957264d1f6cf818d475ec2bf6395",
+                "sha256:1d3755bcb2e02de341c55b4fca7a745a24a9e7212ac953f6b3a48d117d7257aa",
+                "sha256:23f20bb60ae298d7d8656c6ec6db134bca379ecefadb0b19ce6f19d1f232a942",
+                "sha256:275f72decf9932639c1c6dd1013a1bc266438eb32710016a1c742df5da6e60a1",
+                "sha256:2846930c65b47d70b9d178e89c7e1a69c95c1f68ea5aa0a58646b7a96df12441",
+                "sha256:3319aa75e0e0639bc15ff54ca327e8dc7a6fe404003496e3c6925cd3142e0e22",
+                "sha256:346bed03fe47414091be4ad44786d1bd8bef0c3fcad6ed3dee074a032ab408a9",
+                "sha256:36b89d13c49216cadb828db8dfa6ce86bbbc476a82d3a6c397f0efae0525bdd0",
+                "sha256:37b9de5a96111fc15418819ab4c4432e4f3c2ede61e660b1e33971eba26ef9ba",
+                "sha256:396979749bd95f018296af156201d6211240e7a23090f50a8d5d18c370084dc3",
+                "sha256:3b2813dc3de8c1ee3f924e4d4227999285fd335d1bcc0d2be6dc3f1f6a318ec1",
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+                "sha256:47da355d8687fd65240c364c90a31569a133b7b60de111c255ef5b606f2ae291",
+                "sha256:48ca08c771c268a768087b408658e216133aecd835c0ded47ce955381105ba39",
+                "sha256:4afe7ea89de619adc868e087b4d2359282058479d7cfb94970adf4b55284574d",
+                "sha256:4ce3ac6cdb6adf7946475d7ef31777c26d94bccc377e070a7986bd2d5c515467",
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+            "markers": "python_version >= '3.7'",
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             "index": "pypi",
-            "version": "==1.4.46"
+            "markers": "python_version >= '3.7'",
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             "hashes": [
@@ -304,6 +400,14 @@
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+        "typing-extensions": {
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diff --git a/lib/database.py b/lib/database.py
new file mode 100644
index 000000000..dc1627af1
--- /dev/null
+++ b/lib/database.py
@@ -0,0 +1,6 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+engine = create_engine("sqlite:///freebies.db")
+Session = sessionmaker(bind=engine)
+session = Session()
diff --git a/lib/seed.py b/lib/seed.py
index 85244d7a9..dc7196d38 100644
--- a/lib/seed.py
+++ b/lib/seed.py
@@ -4,6 +4,8 @@
 from models import Company, Dev, Freebie
 from database import session
 
+
+
 c1 = Company(name="Google", founding_year=1998)
 c2 = Company(name="Microsoft", founding_year=1975)