Add backend scripts for certificate management and database seeding

Co-authored-by: Copilot <copilot@github.com>

Author: orabe

backend/.dockerignore

@@ -0,0 +1,5 @@
+fly.toml
+.git/
+__pycache__/
+.envrc
+.venv/

backend/app/main.py

@@ -7,6 +7,7 @@
 from . import models, schemas, crud, database, security
 
 app = FastAPI(title="MathCodeLab Certificate Verification API")
+models.Base.metadata.create_all(bind=database.engine)
 
 # CORS
 ALLOWED_ORIGINS = os.getenv("ALLOWED_ORIGINS", "*").split(",")
@@ -24,6 +25,7 @@ def root():
         "service": "MathCodeLab Certificate Verification API",
         "status": "running",
         "health": "/health",
+        "verify": "/verify/{certificate_id}",
         "docs": "/docs"
     }
 

backend/render.yaml

@@ -3,7 +3,7 @@ services:
     name: mathcodelab.github.io
     env: python
     buildCommand: "pip install -r requirements.txt"
-    startCommand: "uvicorn app.main:app --host 0.0.0.0 --port 10000"
+    startCommand: "uvicorn app.main:app --host 0.0.0.0 --port $PORT"
     plan: free
     envVars:
       - key: DATABASE_URL

backend/requirements.txt

@@ -3,4 +3,4 @@ uvicorn
 sqlalchemy
 pydantic
 python-dotenv
-psycopg2
+psycopg2

backend/scripts/create_certificate.py

@@ -0,0 +1,24 @@
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.dirname(__file__)))
+from app import database, models, crud, schemas
+from sqlalchemy.orm import Session
+
+def main():
+    db = next(database.get_db())
+    print("Enter certificate details:")
+    student_name = input("Student name: ")
+    course_title = input("Course title: ")
+    completion_date = input("Completion date (YYYY-MM-DD): ")
+    duration_hours = int(input("Duration (hours): "))
+    cert_in = schemas.CertificateCreate(
+        student_name=student_name,
+        course_title=course_title,
+        completion_date=completion_date,
+        duration_hours=duration_hours
+    )
+    cert = crud.create_certificate(db, cert_in)
+    print(f"Created certificate: {cert.certificate_id}")
+
+if __name__ == "__main__":
+    main()

backend/scripts/seed_demo_data.py

@@ -0,0 +1,30 @@
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.dirname(__file__)))
+from app import database, models, crud, schemas
+from sqlalchemy.orm import Session
+from datetime import datetime
+
+def seed():
+    db = next(database.get_db())
+    # Valid certificate
+    cert1 = schemas.CertificateCreate(
+        student_name="Alice Example",
+        course_title="Python Programming Basics",
+        completion_date="2026-04-20",
+        duration_hours=20
+    )
+    c1 = crud.create_certificate(db, cert1)
+    # Revoke a certificate
+    cert2 = schemas.CertificateCreate(
+        student_name="Bob Revoked",
+        course_title="Data Science Intro",
+        completion_date="2026-03-15",
+        duration_hours=15
+    )
+    c2 = crud.create_certificate(db, cert2)
+    crud.revoke_certificate(db, c2.certificate_id, reason="Academic misconduct")
+    print(f"Seeded: {c1.certificate_id} (valid), {c2.certificate_id} (revoked)")
+
+if __name__ == "__main__":
+    seed()

backend/seed_database.py

@@ -0,0 +1,49 @@
+from app.models import Base, Certificate
+from app.database import engine, SessionLocal
+from app.crud import create_certificate
+from app.schemas import CertificateCreate
+
+# Create the database schema
+Base.metadata.create_all(bind=engine)
+
+def seed_database():
+    db = SessionLocal()
+    try:
+        certificates = [
+            CertificateCreate(
+                student_name="John Doe",
+                course_title="Python Programming",
+                completion_date="2026-04-01",
+                duration_hours=40,
+                issuer="MathCodeLab",
+                instructor="Mohammad Orabe"
+            ),
+            CertificateCreate(
+                student_name="Jane Smith",
+                course_title="Data Science Basics",
+                completion_date="2026-03-15",
+                duration_hours=30,
+                issuer="MathCodeLab",
+                instructor="Mohammad Orabe"
+            ),
+            CertificateCreate(
+                student_name="Alice Johnson",
+                course_title="Advanced Java",
+                completion_date="2026-02-20",
+                duration_hours=50,
+                issuer="MathCodeLab",
+                instructor="Mohammad Orabe"
+            )
+        ]
+
+        for cert in certificates:
+            create_certificate(db, cert)
+
+        print("Database seeded successfully!")
+    except Exception as e:
+        print(f"An error occurred while seeding the database: {e}")
+    finally:
+        db.close()
+
+if __name__ == "__main__":
+    seed_database()

backend/view_db.py

@@ -0,0 +1,5 @@
+import sqlite3
+conn = sqlite3.connect("app.db")
+for row in conn.execute("SELECT * FROM certificates"):
+    print(row)
+conn.close()