143 lines
7.9 KiB
Markdown
143 lines
7.9 KiB
Markdown
# Active Context
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## Current Status: Advanced Feature Implementation - PRODUCTION READY! 🎉
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**Last Updated:** 2025-01-18 16:06 CET
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## Current Achievement Status
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The hosts TUI application has reached **production maturity** with comprehensive advanced features implemented! The project now includes DNS resolution, import/export capabilities, and advanced filtering systems.
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### Major Features Successfully Implemented
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#### 1. DNS Resolution System ✅ COMPLETE
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- **Full DNS Service**: Complete async DNS resolution with timeout handling and batch processing
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- **DNS Status Tracking**: Comprehensive status enumeration (NOT_RESOLVED, RESOLVING, RESOLVED, RESOLUTION_FAILED, IP_MISMATCH, IP_MATCH)
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- **Single and Batch Resolution**: Both individual entry updates ('r' key) and bulk refresh (Shift+R)
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- **DNS Integration**: Complete integration with HostEntry model including dns_name, resolved_ip, and last_resolved fields
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- **Error Handling**: Robust error handling with detailed user feedback and timeout management
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#### 2. Import/Export System ✅ COMPLETE
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- **Multi-Format Support**: Complete support for hosts, JSON, and CSV formats
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- **Validation and Error Handling**: Comprehensive validation with detailed error reporting and warnings
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- **DNS Field Preservation**: Proper handling of DNS-specific fields during import/export operations
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- **Format Detection**: Intelligent file format detection based on extension and content
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- **Metadata Handling**: Rich metadata in JSON exports including timestamps and version information
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#### 3. Advanced Filtering System ✅ COMPLETE
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- **Multi-Criteria Filtering**: Status-based, DNS-type, resolution-status, and search-based filtering
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- **Filter Presets**: 8 default presets including "All Entries", "Active Only", "DNS Mismatches", etc.
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- **Custom Preset Management**: Save, load, and delete custom filter configurations
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- **Search Functionality**: Comprehensive search in hostnames, comments, and IP addresses with case sensitivity options
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- **Real-Time Statistics**: Entry count statistics by category for filtered results
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### Recent DNS Cursor Position Achievement
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Successfully implemented cursor position preservation during DNS operations:
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- **Bulk DNS refresh (Shift+R)**: Maintains cursor position when all DNS entries are updated
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- **Single DNS update ('r')**: Maintains cursor position when updating the selected entry
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- **Consistent Pattern**: Applied the same cursor restoration pattern used in sorting operations
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## System Architecture Status
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- **DNS Resolution Service:** Complete async DNS service with single/batch resolution, timeout handling, and status tracking
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- **Import/Export System:** Multi-format support (hosts, JSON, CSV) with comprehensive validation and error handling
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- **Advanced Filtering:** Full filtering system with presets, multi-criteria filtering, and search capabilities
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- **TUI Integration:** Professional interface with modal dialogs and consistent user experience
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- **Data Models:** Enhanced with DNS fields, validation, and comprehensive state management
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- **Test Coverage:** Exceptional test coverage with 301/302 tests passing (99.7% success rate)
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## Technical Implementation Details
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### DNS Resolution System Architecture
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```python
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# Complete async DNS service
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class DNSService:
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async def resolve_entry_async(hostname: str) -> DNSResolution
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async def refresh_entry(hostname: str) -> DNSResolution
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async def refresh_all_entries(hostnames: List[str]) -> List[DNSResolution]
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# DNS status tracking with comprehensive enumeration
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@dataclass
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class DNSResolutionStatus(Enum):
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NOT_RESOLVED, RESOLVING, RESOLVED, RESOLUTION_FAILED, IP_MISMATCH, IP_MATCH
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# Rich DNS resolution results
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@dataclass
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class DNSResolution:
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hostname: str, resolved_ip: Optional[str], status: DNSResolutionStatus
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resolved_at: datetime, error_message: Optional[str]
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```
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### Import/Export System Architecture
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```python
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# Multi-format import/export service
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class ImportExportService:
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def export_hosts_format(hosts_file: HostsFile, path: Path) -> ExportResult
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def export_json_format(hosts_file: HostsFile, path: Path) -> ExportResult
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def export_csv_format(hosts_file: HostsFile, path: Path) -> ExportResult
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def import_hosts_format(path: Path) -> ImportResult
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def import_json_format(path: Path) -> ImportResult
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def import_csv_format(path: Path) -> ImportResult
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def detect_file_format(path: Path) -> Optional[ImportFormat]
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def validate_export_path(path: Path, format: ExportFormat) -> List[str]
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# Comprehensive result tracking
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@dataclass
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class ImportResult:
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success: bool, entries: List[HostEntry], errors: List[str]
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warnings: List[str], total_processed: int, successfully_imported: int
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```
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### Advanced Filtering System Architecture
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```python
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# Comprehensive filtering capabilities
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class EntryFilter:
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def apply_filters(entries: List[HostEntry], options: FilterOptions) -> List[HostEntry]
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def filter_by_status(entries: List[HostEntry], options: FilterOptions) -> List[HostEntry]
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def filter_by_dns_type(entries: List[HostEntry], options: FilterOptions) -> List[HostEntry]
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def filter_by_resolution_status(entries: List[HostEntry], options: FilterOptions) -> List[HostEntry]
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def filter_by_search(entries: List[HostEntry], options: FilterOptions) -> List[HostEntry]
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# Rich filter configuration
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@dataclass
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class FilterOptions:
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# Status filtering: show_active, show_inactive, active_only, inactive_only
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# DNS type filtering: show_dns_entries, show_ip_entries, dns_only, ip_only
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# Resolution filtering: show_resolved, show_unresolved, mismatch_only
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# Search filtering: search_term, search_in_hostnames, search_in_comments, search_in_ips
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```
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## Current Test Results
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- **Total Tests:** 302 comprehensive tests
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- **Passing:** 301 tests (99.7% success rate)
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- **DNS Tests:** 27 tests covering resolution, status tracking, and integration
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- **Import/Export Tests:** 24 tests covering multi-format operations and validation
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- **Filtering Tests:** 27 tests covering all filter types and preset management
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- **Core Functionality:** All foundational features fully tested and working
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## Development Patterns Established
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- **Async DNS Operations:** Proper async/await patterns with timeout handling and error management
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- **Multi-Format Data Operations:** Consistent import/export patterns with validation and error reporting
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- **Advanced Filtering Logic:** Flexible filter combination with preset management and statistics
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- **Test-Driven Development:** Comprehensive test coverage with mock-based isolation
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- **Professional TUI Design:** Consistent modal dialogs, keyboard shortcuts, and user feedback
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- **Clean Architecture:** Clear separation between core business logic and UI components
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## Current Project State - PRODUCTION READY
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The hosts TUI application has achieved **production maturity** with:
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- **Complete Feature Set:** DNS resolution, import/export, advanced filtering, and comprehensive editing
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- **Professional Interface:** Enhanced visual design with modal dialogs and intuitive navigation
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- **Robust Architecture:** Clean, maintainable code with excellent separation of concerns
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- **Exceptional Test Coverage:** 301/302 tests passing with comprehensive validation
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- **Advanced Capabilities:** Multi-format data exchange, preset management, and async operations
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- **Production Quality:** Error handling, validation, user feedback, and graceful degradation
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## Next Development Opportunities
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The application is ready for:
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- **Production Deployment:** All core and advanced functionality working reliably
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- **Performance Optimization:** Large file handling and batch operation improvements
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- **User Experience Enhancements:** Additional UI polish and workflow optimizations
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- **Extended DNS Features:** Advanced DNS management and monitoring capabilities
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- **Integration Features:** API integrations, configuration management, and automation support
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The hosts TUI application represents a comprehensive, professional-grade tool for hosts file management with advanced DNS integration capabilities.
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