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CodeSignal

Advanced Filtering, Aggregation, and Sorting

via CodeSignal

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Overview

Enhance your Reading Tracker API with advanced catalog features—metadata, search, filtering, sorting, and analytics. Support per-user reading progress, shelves, and statistics to deliver a polished, frontend-ready experience.

Syllabus

  • Unit 1: Book Catalog Essentials
    • Observe the Book Catalog Essentials
    • Creating DTOs for Books Module
    • Extending the Mock Database with Books, Reading Sessions, and Friend Requests
    • Implementing Search, Sort, and Pagination for Books
  • Unit 2: User Reading Shelf API
    • Observe the User Reading Shelf API
    • Implement DTOs for Reading Progress and Shelf
    • Implement updateProgress in ReadingService
    • Implement getShelf in ReadingService
    • Implement getProgress and getShelf in ReadingController
  • Unit 3: Catalog Sorting and Analytics
    • Observe Catalog Sorting and Analytics
    • Implement `FindAllBooksDto` from Scratch
    • Implement getStats in BooksController and BooksService
    • Implement findAll in BooksService and BooksController
  • Unit 4: User Statistics Integration
    • Observe the User Statistics Integration
    • Wire Up the Users Module
    • Implement User Statistics (Service + Controller)

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