Class: GitStatistics::Commits

Inherits:
Hash
  • Object
show all
Defined in:
lib/git_statistics/commits.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Hash

#sorted_hash

Constructor Details

#initialize(path, fresh, limit, pretty) ⇒ Commits

Returns a new instance of Commits.



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# File 'lib/git_statistics/commits.rb', line 5

def initialize(path, fresh, limit, pretty)
  super()
  @path = path
  @fresh = fresh
  @limit = limit
  @pretty = pretty
  clean
end

Instance Attribute Details

#fresh ⇒ Object

Returns the value of attribute fresh.



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# File 'lib/git_statistics/commits.rb', line 3

def fresh
  @fresh
end

#limit ⇒ Object

Returns the value of attribute limit.



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# File 'lib/git_statistics/commits.rb', line 3

def limit
  @limit
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/git_statistics/commits.rb', line 3

def path
  @path
end

#pretty ⇒ Object

Returns the value of attribute pretty.



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# File 'lib/git_statistics/commits.rb', line 3

def pretty
  @pretty
end

#stats ⇒ Object

Returns the value of attribute stats.



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# File 'lib/git_statistics/commits.rb', line 3

def stats
  @stats
end

#totals ⇒ Object

Returns the value of attribute totals.



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# File 'lib/git_statistics/commits.rb', line 3

def totals
  @totals
end

Instance Method Details

#add_commit_stats(data, commit) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 126

def add_commit_stats(data, commit)
  # Add commit stats to author
  data[:merges] += 1 if commit[:merge]
  data[:commits] += 1
  data[:additions] += commit[:additions]
  data[:deletions] += commit[:deletions]
  data[:added_files] += commit[:added_files] unless commit[:added_files].nil?
  data[:deleted_files] += commit[:deleted_files] unless commit[:deleted_files].nil?
  data
end

#add_language_stats(data, file) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 109

def add_language_stats(data, file)
  # Add stats to data's languages
  if data[:languages][file[:language].to_sym].nil?
    data[:languages][file[:language].to_sym] = Hash.new(0)
  end

  data[:languages][file[:language].to_sym][:additions] += file[:additions]
  data[:languages][file[:language].to_sym][:deletions] += file[:deletions]

  # Keep count of languages status (i.e., added, deleted) and keep keys consistent (i.e., added_files, deleted_files)
  unless file[:status].nil?
    data[:languages][file[:language].to_sym][(file[:status] + '_files').to_sym] += 1
  end

  data
end

#author_top_n_type(type, top_n = 0) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 43

def author_top_n_type(type, top_n = 0)
  top_n = 0 if top_n < 0
  if @stats.empty? || !@stats.first[1].key?(type)
    nil
  else
    Hash[*@stats.sorted_hash { |a, b| b[1][type.to_sym] <=> a[1][type] }.to_a[0..top_n - 1].flatten]
  end
end

#calculate_statistics(email, merge) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 52

def calculate_statistics(email, merge)
  # Identify authors and author type
  type = email ? :author_email : :author

  # Process the commits from file or memory
  files = Dir.entries(path) - ['.', '..']
  if files.size == 0
    process_commits(type, merge)
  else
    # Load commit file and extract the commits
    files.each do |file|
      next unless file =~ /\d+\.json/

      load(File.join(path, file))
      process_commits(type, merge)
      clear
    end
  end
end

#clean ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 14

def clean
  # Ensure the path exists
  FileUtils.mkdir_p(path)

  # Remove all files within path if saving
  if fresh
    files_in_path.each do |file|
      File.delete(File.join(path, file))
    end
  end

  # Initilize/resets stats and totals
  @stats = Hash.new
  @totals = Hash.new(0)
  @totals[:languages] = {}
end

#files_in_path ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 31

def files_in_path
  Dir.entries(path).reject { |file| %w(. ..).include?(file) }
end

#flush_commits(force = false) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 35

def flush_commits(force = false)
  return unless size >= limit || force

  file_count = Utilities.number_of_matching_files(path, /\d+\.json/)
  save(File.join(path, "#{file_count}.json"), @pretty)
  clear
end

#load(file) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 137

def load(file)
  merge!(JSON.parse(File.read(file), symbolize_names: true))
end

#process_commits(type, merge) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 72

def process_commits(type, merge)
  # Collect the stats from each commit
  each do |key, value|
    next if !merge && value[:merge]
    # If there are no changed files move to next commit
    next if value[:files].empty?

    # Acquire author (make if not seen before)
    author = @stats[value[type]]

    if author.nil?
      @stats[value[type]] = Hash.new(0)
      author = @stats[value[type]]
      author[:languages] = {}
    end

    # Collect language stats
    value[:files].each do |file|
      # Add to author's languages
      add_language_stats(author, file)

      # Add to repository's languages
      add_language_stats(@totals, file)
    end

    # Add commit stats to author
    add_commit_stats(author, value)

    # Add commit stats to repository
    add_commit_stats(@totals, value)

    # Save new changes back to stats
    @stats[value[type]] = author
    author = nil
  end
end

#save(file, pretty) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 141

def save(file, pretty)
  return if empty?

  # Ensure the path to the file exists
  FileUtils.mkdir_p(File.dirname(file))

  # Save file in a simple or pretty format
  File.open(file, 'w') do |f|
    json_content = pretty ? JSON.pretty_generate(self) : to_json
    f.write(json_content)
  end
end