Class: SchemaSherlock::Commands::AnalyzeCommand

Inherits:
BaseCommand
  • Object
show all
Defined in:
lib/schema_sherlock/commands/analyze_command.rb

Instance Method Summary collapse

Instance Method Details

#analyze(model_name = nil) ⇒ Object 



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# File 'lib/schema_sherlock/commands/analyze_command.rb', line 16

def analyze(model_name = nil)
  load_rails_environment

  # Override configuration if min_usage option provided
  if options[:min_usage]
    original_threshold = SchemaSherlock.configuration.min_usage_threshold
    SchemaSherlock.configuration.min_usage_threshold = options[:min_usage]
  end

  models = model_name ? [find_model(model_name)] : all_models

  puts "Analyzing #{models.length} model(s)..."
  
  # Try to load binary index for faster analysis
  @binary_index = nil
  if options[:use_index] && defined?(Rails) && Rails.root
    puts "Loading binary index..."
    @binary_index = BinaryIndex.load_or_build(Rails.root.to_s)
    if @binary_index
      puts "  Index loaded with #{@binary_index[:files].size} files indexed"
    end
  end
  
  # Preload metadata cache for performance
  puts "Preloading database metadata..."
  cache_stats = SchemaCache.preload_all_metadata
  puts "  Cached: #{cache_stats[:tables_cached]} tables, #{cache_stats[:columns_cached]} column sets, #{cache_stats[:indexes_cached]} index sets"
  
  # Preload file cache for performance (only if usage tracking is enabled and no index available)
  if SchemaSherlock.configuration.min_usage_threshold && SchemaSherlock.configuration.min_usage_threshold > 0
    if @binary_index
      puts "Using binary index for file analysis (skipping file cache preload)"
    else
      puts "Preloading file cache..."
      file_stats = FileCache.preload_all_files
      puts "  Cached: #{file_stats[:files_scanned]} files (#{(file_stats[:total_size] / 1024.0 / 1024.0).round(2)} MB), #{file_stats[:files_failed]} failed"
    end
  end

  results = {}

  models.each do |model|
    puts "  Analyzing #{model.name}..."
    
    # Set binary index for usage tracker
    UsageTracker.binary_index = @binary_index
    
    analysis = analyze_model(model)

    # Only include models with issues in results
    if has_issues?(analysis)
      results[model.name] = analysis
    end
  end

  display_results(results, models.length)
  save_results(results) if options[:output]
rescue SchemaSherlock::Error => e
  say e.message, :red
  exit 1
ensure
  # Clear caches to free memory
  SchemaCache.clear_cache
  FileCache.clear_cache
  
  # Restore original threshold if it was overridden
  if options[:min_usage] && defined?(original_threshold)
    SchemaSherlock.configuration.min_usage_threshold = original_threshold
  end
end