Feat:lesson_25/tb

lesson_25/createdb/add_users.py

@@ -0,0 +1,78 @@
+import sqlite3
+import bcrypt
+import uuid
+
+# Create a connection to the SQLite database
+conn = sqlite3.connect('../db/db_app/src/main/resources/sqlite/data.db')
+cursor = conn.cursor()
+
+# Create the library_users table
+cursor.execute('''
+CREATE TABLE IF NOT EXISTS library_users (
+    id TEXT PRIMARY KEY,
+    email TEXT NOT NULL UNIQUE,
+    first_name TEXT NOT NULL,
+    last_name TEXT NOT NULL,
+    password TEXT NOT NULL
+)
+''')
+
+# Sample users data
+users = [
+    {
+        'id': str(uuid.uuid4()),
+        'email': '[email protected]',
+        'first_name': 'John',
+        'last_name': 'Doe',
+        'password': 'password123'
+    },
+    {
+        'id': str(uuid.uuid4()),
+        'email': '[email protected]',
+        'first_name': 'Jane',
+        'last_name': 'Smith',
+        'password': 'securepass456'
+    },
+    {
+        'id': str(uuid.uuid4()),
+        'email': '[email protected]',
+        'first_name': 'Mike',
+        'last_name': 'Johnson',
+        'password': 'mypassword789'
+    },
+    {
+        'id': str(uuid.uuid4()),
+        'email': '[email protected]',
+        'first_name': 'Sarah',
+        'last_name': 'Wilson',
+        'password': 'libraryuser2024'
+    },
+    {
+        'id': str(uuid.uuid4()),
+        'email': '[email protected]',
+        'first_name': 'Library',
+        'last_name': 'Admin',
+        'password': 'adminpass2024'
+    }
+]
+
+# Insert users with bcrypt hashed passwords
+for user in users:
+    # Hash the password using bcrypt
+    password_bytes = user['password'].encode('utf-8')
+    salt = bcrypt.gensalt()
+    hashed_password = bcrypt.hashpw(password_bytes, salt)
+
+    cursor.execute('''
+    INSERT OR REPLACE INTO library_users (id, email, first_name, last_name, password)
+    VALUES (?, ?, ?, ?, ?)
+    ''', (user['id'], user['email'], user['first_name'], user['last_name'], hashed_password.decode('utf-8')))
+
+# Commit the changes and close the connection
+conn.commit()
+conn.close()
+
+print("Library users table created and populated with 5 users!")
+print("Users created:")
+for user in users:
+    print(f"- {user['first_name']} {user['last_name']} ({user['email']})")

lesson_25/createdb/test_queries.py

@@ -0,0 +1,60 @@
+import sqlite3
+
+# Connect to the database
+conn = sqlite3.connect('../db/db_app/src/main/resources/sqlite/data.db')
+cursor = conn.cursor()
+
+print("=== Testing SQL Queries ===\n")
+
+# Query 1: Count of media items by type
+print("Query 1: Count of media items by type")
+cursor.execute("""
+SELECT type, COUNT(*) as count
+FROM media_items
+GROUP BY type
+ORDER BY count DESC;
+""")
+results = cursor.fetchall()
+for row in results:
+    print(f"  {row[0]}: {row[1]}")
+print()
+
+# Query 2: Sum of total pages checked out by guests
+print("Query 2: Sum of total pages checked out by guests")
+cursor.execute("""
+SELECT SUM(mi.pages) as total_pages_checked_out
+FROM checked_out_items co
+JOIN media_items mi ON co.item_id = mi.id
+WHERE mi.pages IS NOT NULL AND mi.pages > 0;
+""")
+result = cursor.fetchone()
+print(f"  Total pages checked out: {result[0] if result[0] else 0}")
+print()
+
+# Query 3: Show all 5 guests and any corresponding records in the checked_out_items table
+print("Query 3: Show all 5 guests and any corresponding records in the checked_out_items table")
+cursor.execute("""
+SELECT g.name, g.email, g.type, co.item_id, co.due_date
+FROM guests g
+LEFT JOIN checked_out_items co ON g.email = co.email
+ORDER BY g.name;
+""")
+results = cursor.fetchall()
+for row in results:
+    item_id = row[3] if row[3] else "None"
+    due_date = row[4] if row[4] else "None"
+    print(f"  {row[0]} ({row[1]}) [{row[2]}] - Item: {item_id}, Due: {due_date}")
+print()
+
+# Bonus: Show library users
+print("Bonus: Library Users")
+cursor.execute("""
+SELECT id, email, first_name, last_name
+FROM library_users
+ORDER BY last_name, first_name;
+""")
+results = cursor.fetchall()
+for row in results:
+    print(f"  {row[2]} {row[3]} ({row[1]}) - ID: {row[0][:8]}...")
+
+conn.close()

lesson_25/db/db_app/src/main/java/com/codedifferently/lesson25/models/LibraryDataModel.java

@@ -1,13 +1,5 @@
 package com.codedifferently.lesson25.models;
 
-import com.codedifferently.lesson25.library.Book;
-import com.codedifferently.lesson25.library.Dvd;
-import com.codedifferently.lesson25.library.Librarian;
-import com.codedifferently.lesson25.library.LibraryGuest;
-import com.codedifferently.lesson25.library.Magazine;
-import com.codedifferently.lesson25.library.MediaItem;
-import com.codedifferently.lesson25.library.Newspaper;
-import com.codedifferently.lesson25.library.Patron;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -17,6 +9,7 @@ public class LibraryDataModel {
 
   public List<MediaItemModel> mediaItems;
   public List<LibraryGuestModel> guests;
+  public List<LibraryUserModel> users;
 
   public List<MediaItem> getMediaItems() {
     List<MediaItem> results = new ArrayList<>();

lesson_25/db/db_app/src/main/resources/queries/thomasboyle.sql

@@ -0,0 +1,21 @@
+-- SQL Queries for Lesson 25 Database Assignment
+-- Author: GitHub Copilot
+-- Date: October 10, 2025
+
+-- Query 1: Count of media items by type
+SELECT type, COUNT(*) as count
+FROM media_items
+GROUP BY type
+ORDER BY count DESC;
+
+-- Query 2: Sum of total pages checked out by guests
+SELECT SUM(mi.pages) as total_pages_checked_out
+FROM checked_out_items co
+JOIN media_items mi ON co.item_id = mi.id
+WHERE mi.pages IS NOT NULL AND mi.pages > 0;
+
+-- Query 3: Show all 5 guests and any corresponding records in the checked_out_items table
+SELECT g.name, g.email, g.type, co.item_id, co.due_date
+FROM guests g
+LEFT JOIN checked_out_items co ON g.email = co.email
+ORDER BY g.name;