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CodeSignal

Building the API: Retrieval, Search, and Filter with Node.js

via CodeSignal

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Overview

Build essential API endpoints to make your app interactive and data‑driven. Retrieve single, random, or popular recipes, browse with pagination, and filter by ingredients. Add serialization, error handling, and a script to remove duplicates.

Syllabus

  • Unit 1: Recipe Retrieval Endpoints
    • Implement Express Route for Single Recipe Retrieval
    • Implement Recipe Fetch Endpoint
    • Add Average Rating to Recipe Endpoint
    • Implement Paginated Recipes Endpoint
    • Implement Pagination Logic for Recipes Endpoint
    • Complete Pagination Response for Recipes API Endpoint
  • Unit 2: Advanced Recipe Search
    • Create Recipe Steps Array Endpoint
    • Implement Recipe Steps Parsing Endpoint
    • Ingredient-Based Recipe Search Endpoint Implementation
    • Implement Case-Insensitive Ingredient Lookup Logic
    • Counting Ingredient Matches per Recipe
    • Complete Recipe Ingredient Search Endpoint
  • Unit 3: Dynamic Recipe Discovery
    • Implement Random Recipe Endpoint
    • Complete GET /random Route Handler
    • Popular Recipes Endpoint Structure
    • Implement Popular Recipes Aggregation
    • Build Popular Recipes Endpoint Combining Ratings and Recipe Data
    • Popular Recipes Endpoint Response Formatting
  • Unit 4: Removing Duplicate Recipes
    • Normalize Recipe Name for Duplicate Detection
    • Group Recipes by Normalized Name
    • Detect and Display Duplicate Recipes
    • Implement Duplicate Recipe Deletion Logic

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