Class: GithubDailyDigest::LanguageAnalyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/language_analyzer.rb

Constant Summary collapse

EXTENSION_TO_LANGUAGE =

Map of file extensions to languages

{
  # Ruby
  '.rb' => 'Ruby',
  '.rake' => 'Ruby',
  '.gemspec' => 'Ruby',
  
  # JavaScript
  '.js' => 'JavaScript',
  '.jsx' => 'JavaScript',
  '.mjs' => 'JavaScript',
  '.cjs' => 'JavaScript',
  '.ts' => 'TypeScript',
  '.tsx' => 'TypeScript',
  
  # HTML/CSS
  '.html' => 'HTML',
  '.htm' => 'HTML',
  '.xhtml' => 'HTML',
  '.erb' => 'HTML/ERB',
  '.haml' => 'HTML/Haml',
  '.slim' => 'HTML/Slim',
  '.css' => 'CSS',
  '.scss' => 'CSS/SCSS',
  '.sass' => 'CSS/SASS',
  '.less' => 'CSS/LESS',
  
  # PHP
  '.php' => 'PHP',
  '.phtml' => 'PHP',
  
  # Python
  '.py' => 'Python',
  '.pyd' => 'Python',
  '.pyo' => 'Python',
  '.pyw' => 'Python',
  
  # Java
  '.java' => 'Java',
  '.class' => 'Java',
  '.jar' => 'Java',
  
  # C/C++
  '.c' => 'C',
  '.h' => 'C',
  '.cpp' => 'C++',
  '.cc' => 'C++',
  '.cxx' => 'C++',
  '.hpp' => 'C++',
  
  # C#
  '.cs' => 'C#',
  
  # Go
  '.go' => 'Go',
  
  # Swift
  '.swift' => 'Swift',
  
  # Kotlin
  '.kt' => 'Kotlin',
  '.kts' => 'Kotlin',
  
  # Rust
  '.rs' => 'Rust',
  
  # Shell
  '.sh' => 'Shell',
  '.bash' => 'Shell',
  '.zsh' => 'Shell',
  '.fish' => 'Shell',
  
  # Data
  '.json' => 'JSON',
  '.xml' => 'XML',
  '.yaml' => 'YAML',
  '.yml' => 'YAML',
  '.csv' => 'CSV',
  '.toml' => 'TOML',
  
  # Config
  '.ini' => 'Config',
  '.conf' => 'Config',
  '.cfg' => 'Config',
  
  # Markdown
  '.md' => 'Markdown',
  '.markdown' => 'Markdown',
  
  # SQL
  '.sql' => 'SQL',
  
  # Other
  '.txt' => 'Text',
  '.gitignore' => 'Git',
  '.dockerignore' => 'Docker',
  'Dockerfile' => 'Docker',
  '.env' => 'Config'
}.freeze

Class Method Summary collapse

Class Method Details

.calculate_distribution(files) ⇒ Object

Calculate language distribution from a list of files files should be an array of hashes with at least :path, :additions, :deletions



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# File 'lib/language_analyzer.rb', line 123

def self.calculate_distribution(files)
  return {} if files.nil? || files.empty?
  
  # Initialize counters
  language_stats = Hash.new(0)
  total_changes = 0
  
  files.each do |file|
    # Skip files with no path
    next unless file[:path]
    
    # Calculate the total lines changed for this file
    lines_changed = (file[:additions] || 0) + (file[:deletions] || 0)
    
    # Identify the language
    language = identify_language(file[:path])
    
    # Add to the counters
    language_stats[language] += lines_changed
    total_changes += lines_changed
  end
  
  # Convert to percentages
  result = {}
  
  language_stats.each do |language, count|
    # Skip languages with 0 changes (shouldn't happen, but just in case)
    next if count == 0
    
    # Calculate percentage (rounded to 1 decimal place)
    percentage = total_changes > 0 ? (count.to_f / total_changes * 100).round(1) : 0
    
    # Only include if it's more than 0.1%
    result[language] = percentage if percentage > 0.1
  end
  
  # Sort by percentage (descending)
  result.sort_by { |_, percentage| -percentage }.to_h
end

.identify_language(filepath) ⇒ Object

Identify language from filename



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# File 'lib/language_analyzer.rb', line 104

def self.identify_language(filepath)
  # Get the file extension
  ext = File.extname(filepath).downcase
  
  # For files without extensions, check the full filename
  basename = File.basename(filepath)
  
  # Try to match by extension first
  return EXTENSION_TO_LANGUAGE[ext] if EXTENSION_TO_LANGUAGE.key?(ext)
  
  # Try to match by filename for special cases
  return EXTENSION_TO_LANGUAGE[basename] if EXTENSION_TO_LANGUAGE.key?(basename)
  
  # Default for unknown types
  'Other'
end