Introduction to Angelia

Angelia is a powerful and versatile framework designed to streamline development processes and enhance productivity. Whether you’re building web applications or handling complex backend systems, Angelia provides a diverse range of APIs to cater to your needs. In this guide, we’ll explore some of the most useful APIs with code snippets and demonstrate how to build an application using these APIs.

Getting Started with Angelia

Before diving into the APIs, ensure you have Angelia installed. You can install it using the following command:

pip install angelia

User Authentication API

Angelia provides a comprehensive User Authentication API that simplifies user management. Here’s an example of how to create a new user:

from angelia.auth import UserAuth

user = UserAuth()
user.create_user('john_doe', 'password123', 'john@example.com')

To authenticate a user:

is_authenticated = user.authenticate('john_doe', 'password123')
if is_authenticated:
    print('User authenticated successfully!')
else:
    print('Authentication failed.')

Data Validation API

Ensuring data integrity is crucial. Use Angelia’s Data Validation API to validate user inputs:

from angelia.validation import DataValidator

validator = DataValidator()
is_valid = validator.validate_email('john@example.com')
if is_valid:
    print('Valid email address.')
else:
    print('Invalid email address.')

Database Management API

Angelia simplifies database interactions. Here’s how to connect to a database and perform basic operations:

from angelia.db import Database

db = Database('sqlite:///example.db')

# Create a table
db.create_table('users', {
    'id': 'INTEGER PRIMARY KEY',
    'name': 'TEXT',
    'email': 'TEXT'
})

# Insert a record
db.insert('users', {
    'name': 'John Doe',
    'email': 'john@example.com'
})

# Query the database
users = db.select('users')
for user in users:
    print(user)

Email API

Send emails easily using Angelia’s Email API:

from angelia.mail import Email

email = Email()
email.send(
    to='recipient@example.com',
    subject='Test Email',
    body='This is a test email.'
)

Building a Sample App

Let’s put it all together and create a simple app that registers users, validates their email, and sends a welcome email.

from angelia.auth import UserAuth
from angelia.validation import DataValidator
from angelia.mail import Email
from angelia.db import Database

# Initialize components
user_auth = UserAuth()
validator = DataValidator()
email = Email()
db = Database('sqlite:///app.db')

# Create user table
db.create_table('users', {
    'id': 'INTEGER PRIMARY KEY',
    'username': 'TEXT',
    'password': 'TEXT',
    'email': 'TEXT'
})

# Register a new user
def register_user(username, password, email_address):
    if validator.validate_email(email_address):
        user_auth.create_user(username, password, email_address)
        db.insert('users', {
            'username': username,
            'password': password,
            'email': email_address
        })
        email.send(
            to=email_address,
            subject='Welcome!',
            body=f'Thank you for registering, {username}!'
        )
        print('User registered and email sent.')
    else:
        print('Invalid email address.')

# Usage
register_user('jane_doe', 'securepass', 'jane@example.com')

With Angelia’s robust API offerings, you can efficiently build and deploy powerful applications. Explore the documentation for more advanced features and enhance your development projects.

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