Files
bom-local-service/Services/Scraping/WorkflowFactory.cs
T
alex 12dd0eedad Refactor scraping system to workflow-based architecture
Major architectural changes:
- Replace monolithic ScrapingService with workflow-based system
- Extract scraping logic into discrete, testable steps
- Add configuration-driven selectors, JavaScript templates, and text patterns
- Implement step registry and workflow factory for extensibility
- Add PageState tracking and step dependencies
- Make IWorkflow generic to support different response types

New components:
- Scraping steps organized by category (Navigation, Search, Map, Metadata, Capture)
- BaseScrapingStep base class with common dependencies
- ScrapingContext for shared state between steps
- RadarScrapingWorkflow orchestrating step execution
- SelectorService for configurable element selection
- Configuration models (SelectorConfig, TextPatternsConfig, JavaScriptTemplatesConfig)

Performance and monitoring:
- Add step-level timing metrics with historical tracking
- Log step durations and compare to averages
- Warn on slow steps/workflows (50%+ slower than average)
- Integrate metrics with CacheService

Configuration improvements:
- Externalize all selectors to appsettings.json
- Externalize JavaScript templates to appsettings.json
- Externalize text patterns to appsettings.json
- Support Docker configuration via mounted appsettings.json
- Remove hardcoded waits, use configurable timeouts

Bug fixes:
- Fix DebugService collection modification exception
- Fix ResetToFirstFrameStep click interception with JavaScript fallback
- Remove minutes ago fallback, use timestamp parsing only
- Update timestamp parsing for new BOM website format

Documentation:
- Update README with new architecture details
- Add configuration section with Docker guidance
- Add development guidelines for extending scraping system
- Add performance monitoring documentation
2025-12-18 00:54:57 +10:00

23 lines
736 B
C#

namespace BomLocalService.Services.Scraping;
public class WorkflowFactory : IWorkflowFactory
{
private readonly IServiceProvider _serviceProvider;
public WorkflowFactory(IServiceProvider serviceProvider)
{
_serviceProvider = serviceProvider;
}
public IWorkflow<TResponse> GetWorkflow<TResponse>(string name)
{
return name switch
{
"RadarScraping" => (IWorkflow<TResponse>)_serviceProvider.GetRequiredService<Workflows.RadarScrapingWorkflow>(),
"TemperatureMap" => (IWorkflow<TResponse>)_serviceProvider.GetRequiredService<Workflows.TemperatureMapWorkflow>(),
_ => throw new ArgumentException($"Unknown workflow: {name}")
};
}
}