feat: Set up initial project structure and database script

database/setup_db.py

@@ -0,0 +1,87 @@
+import sqlite3
+from faker import Faker
+
+def setup_database():
+    """
+    Initializes and populates the SQLite database with synthetic data.
+    """
+    conn = sqlite3.connect('database/university.db')
+    cursor = conn.cursor()
+
+    # Create tables
+    cursor.execute('''
+    CREATE TABLE IF NOT EXISTS students (
+        id INTEGER PRIMARY KEY,
+        name TEXT NOT NULL,
+        email TEXT NOT NULL UNIQUE
+    )
+    ''')
+
+    cursor.execute('''
+    CREATE TABLE IF NOT EXISTS faculty (
+        id INTEGER PRIMARY KEY,
+        name TEXT NOT NULL,
+        email TEXT NOT NULL UNIQUE,
+        department TEXT NOT NULL
+    )
+    ''')
+
+    cursor.execute('''
+    CREATE TABLE IF NOT EXISTS courses (
+        id INTEGER PRIMARY KEY,
+        name TEXT NOT NULL,
+        faculty_id INTEGER,
+        FOREIGN KEY (faculty_id) REFERENCES faculty (id)
+    )
+    ''')
+
+    cursor.execute('''
+    CREATE TABLE IF NOT EXISTS enrollments (
+        student_id INTEGER,
+        course_id INTEGER,
+        PRIMARY KEY (student_id, course_id),
+        FOREIGN KEY (student_id) REFERENCES students (id),
+        FOREIGN KEY (course_id) REFERENCES courses (id)
+    )
+    ''')
+
+    # Populate with synthetic data
+    fake = Faker()
+    
+    # Add students
+    for _ in range(500):
+        try:
+            cursor.execute("INSERT INTO students (name, email) VALUES (?, ?)", (fake.name(), fake.email()))
+        except sqlite3.IntegrityError:
+            pass
+
+    # Add faculty
+    for _ in range(100):
+        try:
+            cursor.execute("INSERT INTO faculty (name, email, department) VALUES (?, ?, ?)", 
+                           (fake.name(), fake.email(), fake.job()))
+        except sqlite3.IntegrityError:
+            pass
+
+    # Add courses
+    faculty_ids = [row[0] for row in cursor.execute("SELECT id FROM faculty").fetchall()]
+    for _ in range(200):
+        cursor.execute("INSERT INTO courses (name, faculty_id) VALUES (?, ?)", 
+                       (fake.bs(), fake.random_element(elements=faculty_ids)))
+
+    # Add enrollments
+    student_ids = [row[0] for row in cursor.execute("SELECT id FROM students").fetchall()]
+    course_ids = [row[0] for row in cursor.execute("SELECT id FROM courses").fetchall()]
+    for _ in range(1500):
+        try:
+            cursor.execute("INSERT INTO enrollments (student_id, course_id) VALUES (?, ?)",
+                           (fake.random_element(elements=student_ids), fake.random_element(elements=course_ids)))
+        except sqlite3.IntegrityError:
+            pass
+
+    conn.commit()
+    conn.close()
+    print("Database setup complete. 'university.db' created and populated.")
+
+if __name__ == "__main__":
+    setup_database()

requirements.txt

@@ -1,2 +1,3 @@
 streamlit==1.37.0
-python-dotenv==1.0.1
+python-dotenv==1.0.1
+Faker==15.3.4