Sprint Sections 17 Stage 2 Categories

[Mult1k33]

Реализовано управление категориями:

• функции создания, обновления, удаления(Admin);
• функции получения категорий(Public).

[Copilot]

Pull Request Overview

This PR implements category management functionality for a Spring-based event management system. It provides complete CRUD operations for categories with both admin and public access endpoints.

• Implemented category service with create, update, delete, and read operations
• Added admin endpoints for category management and public endpoints for category retrieval
• Integrated category functionality into event creation workflow

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
EventServiceImpl.java	Integrated category service and removed manual category creation in event workflow
EventRepository.java	Added method to check if events exist for a category (for deletion validation)
CategoryServiceImpl.java	Full implementation of category service with validation and business logic
CategoryService.java	Service interface defining category operations
CategoryRepository.java	Repository interface with custom queries for category name operations
Category.java	Updated entity model to allow public setters
CategoryMapper.java	Added mapping method for category updates
PublicCategoryController.java	Public REST endpoints for category retrieval
AdminCategoryController.java	Admin REST endpoints for category CRUD operations

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