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130 lines
4.6 KiB
Markdown
130 lines
4.6 KiB
Markdown
# Phase 0 Research: Care API System
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**Feature**: Care API - Sistema de gestão de cuidados de saúde
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**Date**: 2025-09-12
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**Status**: Complete
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## Research Summary
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All technical requirements have been clearly specified in the detailed KiviCare integration specifications provided. No unknowns remain from the Technical Context analysis.
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## WordPress REST API Framework
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**Decision**: WordPress REST API with custom endpoints via register_rest_route()
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**Rationale**:
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- Native WordPress integration ensuring compatibility
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- Built-in authentication and permission handling
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- Standardized HTTP methods and response formats
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- Existing KiviCare plugin integration points
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**Alternatives considered**:
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- Custom API framework: Rejected due to WordPress ecosystem requirements
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- GraphQL implementation: Rejected due to REST API simplicity and WordPress standards
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## JWT Authentication for WordPress
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**Decision**: WordPress JWT Authentication plugin with custom role-based permissions
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**Rationale**:
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- Stateless authentication suitable for API consumption
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- Integrates with existing WordPress user system (wp_users)
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- Supports custom role definitions (administrator, doctor, patient, receptionist)
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- Token-based security for mobile/web app integration
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**Alternatives considered**:
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- WordPress cookies: Rejected due to cross-origin limitations
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- OAuth2: Over-engineered for single-plugin use case
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## KiviCare Database Integration
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**Decision**: Direct WordPress $wpdb queries with prepared statements
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**Rationale**:
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- Preserves existing KiviCare 35-table schema integrity
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- No additional ORM layer needed - WordPress provides secure database access
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- Maintains compatibility with existing KiviCare plugin operations
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- Performance optimized for medical data relationships
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**Alternatives considered**:
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- WordPress ORM plugins: Unnecessary complexity for established schema
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- Custom database layer: Would duplicate WordPress security features
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## Testing Framework
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**Decision**: PHPUnit with WordPress testing framework (WP_UnitTestCase)
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**Rationale**:
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- Standard WordPress plugin testing approach
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- Provides database setup/teardown for integration tests
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- Mocks WordPress environment for isolated testing
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- Compatible with continuous integration workflows
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**Alternatives considered**:
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- Standalone PHPUnit: Insufficient WordPress integration
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- Custom testing framework: Reinventing established tools
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## API Response Format
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**Decision**: JSON responses following WordPress REST API standards
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**Rationale**:
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- Consistent with WordPress ecosystem expectations
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- Standardized error codes and response structures
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- Built-in CORS handling for cross-origin requests
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- Cacheable response formats
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**Alternatives considered**:
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- XML responses: Outdated for modern applications
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- Custom formats: Would break client expectation standards
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## Performance and Caching
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**Decision**: WordPress Object Cache with Transients API
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**Rationale**:
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- Built-in WordPress caching mechanism
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- Configurable TTL for different data types
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- Compatible with Redis/Memcached backends
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- Automatic cache invalidation on data updates
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**Alternatives considered**:
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- Database-level caching: Limited control over cache invalidation
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- External caching services: Additional infrastructure complexity
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## Plugin Architecture
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**Decision**: WordPress plugin with modular endpoint classes
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**Rationale**:
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- Clear separation of concerns (endpoints, models, utilities)
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- Easy testing of individual components
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- Follows WordPress plugin development best practices
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- Maintainable codebase structure
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**Alternatives considered**:
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- Monolithic plugin file: Poor maintainability and testing
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- Multiple plugins: Unnecessary complexity for single API system
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## Error Handling and Logging
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**Decision**: WordPress WP_Error with structured logging to debug.log
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**Rationale**:
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- Standard WordPress error handling mechanism
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- Structured logging for operational monitoring
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- Integration with existing WordPress debugging tools
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- Configurable log levels for production/development
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**Alternatives considered**:
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- Custom exception handling: Would bypass WordPress standards
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- External logging services: Additional infrastructure dependency
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## Research Validation
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✅ **All technical decisions align with**:
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- WordPress development best practices
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- Healthcare data security requirements
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- KiviCare plugin compatibility
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- Performance and scalability goals
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- Testing and observability standards
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✅ **No remaining NEEDS CLARIFICATION items**
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✅ **All dependencies verified as available and compatible**
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✅ **Integration patterns established and documented**
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---
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**Phase 0 Complete**: Ready for Phase 1 Design & Contracts |