Advanced Filtering Techniques in Shopify with GraphQL

1. Introduction
   • Importance of advanced filtering in data retrieval
   • Brief overview of GraphQL’s capabilities in Shopify
2. Setting Up Your Node.js Environment
   • Installing Node.js and Shopify’s GraphQL API library
   • Configuring your Shopify API access
3. GraphQL Query Basics
   • Recap of basic GraphQL query structures
   • Introduction to GraphQL filters
4. Implementing Basic Filters
   • Using simple conditions to filter products
   • Node.js code example: Filtering by product type
5. Advanced Filtering Techniques
   • Combining multiple filters
   • Utilizing range and set filters
   • Node.js code example: Complex product filtering
6. Dynamic Filtering Based on User Input
   • Handling user input to create dynamic queries
   • Node.js code example: Building a search feature with filters
7. Optimizing Filter Queries for Performance
   • Best practices to minimize query costs and improve performance
   • Techniques for efficient data fetching
8. Pagination and Filtering
   • Integrating pagination with complex filters
   • Node.js code example: Paginated filter results
9. Utilizing Metafields for Custom Filters
   • Explanation of metafields in Shopify
   • Creating and using metafields for customized filtering
10. Security and Best Practices in Filtering
    • Ensuring secure API access and data handling
    • Avoiding common pitfalls in query design
11. Troubleshooting and Debugging
    • Tips for diagnosing common issues in GraphQL queries
    • Tools for testing and refining GraphQL queries
12. Conclusion
    • Summary of advanced filtering techniques
    • Encouragement to explore and implement learned strategies

const { Shopify } = require('@shopify/shopify-api');

const shop = 'your-shop-name.myshopify.com';
const accessToken = 'your-access-token';

const client = new Shopify.Clients.Graphql(shop, accessToken);

async function fetchFilteredProducts() {
  const query = `
  {
    products(first: 10, query: "tag:'summer' AND price:>=20 AND price:<=100") {
      edges {
        node {
          id
          title
          tags
          priceRange {
            minVariantPrice {
              amount
              currencyCode
            }
          }
        }
      }
    }
  }`;

  try {
    const products = await client.query({ data: query });
    console.log('Filtered Products:', products);
  } catch (error) {
    console.error('Error fetching filtered products:', error);
  }
}

fetchFilteredProducts();