django-recompi 2.0.18

Integration of RecomPI with Django models for recommendation and tracking functionalities.

Django RecomPI

Django RecomPI is a Django model mixin that integrates functionalities of RecomPI (Recommender System API) with Django models, enabling easy recommendation and tracking capabilities within Django applications.

Installation

You can install Django RecomPI via pip. Here's how:

pip install django-recompi

Usage

Setting up a Django model with RecomPI integration

1. Define your Django model (e.g., Product) and use RecomPIModelMixin as a mixin.

from django.db import models
from django_recompi.models import RecomPIModelMixin

class Product(models.Model, RecomPIModelMixin):
    RECOMPI_DATA_FIELDS = [
        "name",
        "reviews__comment",
        "reviews__rating",
        "reviews__counter.count",
    ]
    name = models.CharField(max_length=100, db_index=True)
    description = models.TextField()

    def __str__(self):
        return self.name

2. Define related models such as Review and ReviewCounter with appropriate fields.

from django.db import models

class Review(models.Model):
    product = models.ForeignKey(Product, related_name="reviews", on_delete=models.CASCADE)
    comment = models.CharField(max_length=200, db_index=True)
    rating = models.CharField(choices=RatingChoices.choices, max_length=1, db_index=True)
    counter = models.ForeignKey("ReviewCounter", related_name="reviews", on_delete=models.CASCADE, default=None, null=True, blank=True)

    def __str__(self):
        return f"Review of {self.product.name} - {self.rating}"

class ReviewCounter(models.Model):
    count = models.IntegerField(default=0)

Tracking interactions

# Track user interaction with a product
product = Product.objects.first()
product.recompi_track(
    "product-view",
    ["user_profile_id"],
    "https://www.example.com/products/1",
)

Getting recommendations

# Get product recommendations for a user
recommendations = Product.recompi_recommend(
    "product-view",
    profiles=["user_profile_id"],
)

# Example of printing recommendations
print([{"name": p.name, "recommedation-rank": getattr(p, 'recompi_rank', None)} for p in recommendations.get("product-view", [])])

Settings Configuration

Django RecomPI can be customized through the following settings in your settings.py file:

RECOMPI_API_KEY

• Type: str
• Description: API key for accessing the RecomPI service. Required for integration.

RECOMPI_SECURE_API

• Type: bool
• Default: True
• Description: Flag indicating whether to use secure API connections.

RECOMPI_SECURE_PROFILE_HASH_SALT

• Type: str or None
• Description: Salt used to hash profile information securely. Profiles hashed with this salt before sending data to RecomPI servers using SecureProfile.

RECOMPI_SET_RANK_ON_RECORD

• Type: bool
• Default: True
• Description: Flag indicating whether to set the recommendation rank on records.

Error Handling and Exceptions

When using Django RecomPI, you may encounter the following exceptions:

• RecomPIException: Raised when essential settings are not properly configured or when errors occur during API interactions. Handle these exceptions to provide appropriate feedback or logging.

Security Considerations

Ensure the following security best practices when using Django RecomPI:

• Secure API Key Handling: Keep RECOMPI_API_KEY secure and avoid exposing it in version control or public repositories.
• Data Encryption: Use HTTPS (RECOMPI_SECURE_API) to encrypt data transmitted between your Django application and the RecomPI service.
• Secure Profile Hashing: Utilize RECOMPI_SECURE_PROFILE_HASH_SALT to hash profile IDs before sending them to RecomPI servers. This helps protect user data by obscuring identifiable information during transmission.

Contributing and Development

We welcome contributions to Django RecomPI! If you'd like to contribute, please follow these steps:

• Fork the repository and clone it to your local environment.
• Install dependencies and set up a development environment.
• Make changes, write tests, and ensure all tests pass.
• Submit a pull request with a detailed description of your changes.

License

Django RecomPI is licensed under the MIT License. See the LICENSE file for more details.

Support

For support or questions, please visit our documentation or open an issue on GitHub.

Examples and Use Cases

Explore these examples to understand how Django RecomPI can be applied:

• E-commerce Recommendation: Track user interactions on product pages and recommend related products based on their behavior.
• Content Personalization: Customize content recommendations based on user preferences and historical interactions.

Performance Considerations

To optimize performance with Django RecomPI:

• Caching: Implement caching strategies to store and retrieve frequently accessed recommendation data efficiently.