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 6

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 4

def fresh
  @fresh
end

#limit ⇒ Object

Returns the value of attribute limit.



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# File 'lib/git_statistics/commits.rb', line 4

def limit
  @limit
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/git_statistics/commits.rb', line 4

def path
  @path
end

#pretty ⇒ Object

Returns the value of attribute pretty.



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# File 'lib/git_statistics/commits.rb', line 4

def pretty
  @pretty
end

#stats ⇒ Object

Returns the value of attribute stats.



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# File 'lib/git_statistics/commits.rb', line 4

def stats
  @stats
end

#totals ⇒ Object

Returns the value of attribute totals.



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# File 'lib/git_statistics/commits.rb', line 4

def totals
  @totals
end

Instance Method Details

#add_commit_stats(data, commit) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 122

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[:create] += commit[:create] if commit[:create] != nil
  data[:delete] += commit[:delete] if commit[:delete] != nil
  data[:rename] += commit[:rename] if commit[:rename] != nil
  data[:copy] += commit[:copy] if commit[:copy] != nil
  return data
end

#add_language_stats(data, file) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 106

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]

  if file[:status] != nil
    data[:languages][file[:language].to_sym][file[:status].to_sym] += 1
  end

  return data
end

#author_top_n_type(type, top_n = 0) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 44

def author_top_n_type(type, top_n = 0)
  top_n = 0 if top_n < 0
  if @stats.empty? || !@stats.first[1].has_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 53

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

  # For all the commit files created
  Dir.entries(path).each do |file|
    # Load commit file and extract the commits
    if 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 15

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 32

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 36

def flush_commits(force = false)
  if size >= limit || force
    file_count = Utilities.number_of_matching_files(path, /\d+\.json/)
    save(File.join(path, "#{file_count}.json"), @pretty)
    clear
  end
end

#load(file) ⇒ Object 



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# File 'lib/git_statistics/commits.rb', line 135

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 68

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 139

def save(file, pretty)
  # Don't save if there is no information (i.e., using updates)
  unless 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 |file|
      json_content = pretty ? JSON.pretty_generate(self) : self.to_json
      file.write(json_content)
    end
  end
end