Class: RailsForge::Analyzers::PerformanceAnalyzer

Inherits:
BaseAnalyzer
  • Object
show all
Defined in:
lib/railsforge/analyzers/performance_analyzer.rb

Overview

PerformanceAnalyzer scans code for performance problems

Constant Summary collapse

ISSUE_TYPES =

Performance issue types

{
  n_plus_one: "N+1 Query",
  missing_index: "Missing Database Index",
  slow_method: "Slow Method",
  inefficient_query: "Inefficient Query",
  cache_miss: "Cache Miss",
  eager_loading: "Unnecessary Eager Loading"
}.freeze

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseAnalyzer

#analyze, #find_rails_app_path, find_rails_app_path

Constructor Details

#initialize(base_path) ⇒ PerformanceAnalyzer

Initialize analyzer

Parameters:

  • Rails app root path



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# File 'lib/railsforge/analyzers/performance_analyzer.rb', line 32

def initialize(base_path)
  @base_path = base_path
  @issues = []
end

Class Method Details

.analyze(base_path = nil) ⇒ Array<Hash>

Analyze Rails app for performance issues

Parameters:

  • (defaults to: nil)

    Rails app root path

Returns:

  • Performance issues found



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# File 'lib/railsforge/analyzers/performance_analyzer.rb', line 23

def self.analyze(base_path = nil)
  base_path ||= find_rails_app_path
  return [] unless base_path

  new(base_path).find_issues
end

.print_report(issues) ⇒ Object

Print performance report

Parameters:

  • Issues to print



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# File 'lib/railsforge/analyzers/performance_analyzer.rb', line 50

def self.print_report(issues)
  puts "Performance Analysis"
  puts "=" * 50

  if issues.empty?
    puts "✓ No performance issues found"
    return
  end

  puts "Found #{issues.count} performance issue(s):"
  puts ""

  issues.each do |issue|
    puts "⚠ #{issue[:type]}"
    puts "  File: #{issue[:file]}"
    puts "  Line: #{issue[:line]}"
    puts "  Issue: #{issue[:message]}"
    puts ""
  end
end

Instance Method Details

#find_issues ⇒ Array<Hash>

Find all performance issues

Returns:

  • Issues found



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# File 'lib/railsforge/analyzers/performance_analyzer.rb', line 39

def find_issues
  check_n_plus_one
  check_missing_indexes
  check_slow_methods
  check_inefficient_queries

  @issues
end