Class: Github::Pulse::GitAnalyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/github/pulse/git_analyzer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(repo_path) ⇒ GitAnalyzer

Returns a new instance of GitAnalyzer.



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# File 'lib/github/pulse/git_analyzer.rb', line 11

def initialize(repo_path)
  @repo_path = repo_path
  @repository = Rugged::Repository.new(repo_path)
rescue Rugged::RepositoryError => e
  raise Error, "Not a valid git repository: #{repo_path}"
end

Instance Attribute Details

#repo_path ⇒ Object (readonly)

Returns the value of attribute repo_path.



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# File 'lib/github/pulse/git_analyzer.rb', line 9

def repo_path
  @repo_path
end

#repository ⇒ Object (readonly)

Returns the value of attribute repository.



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# File 'lib/github/pulse/git_analyzer.rb', line 9

def repository
  @repository
end

Instance Method Details

#analyze_commits(since: nil, until_date: nil) ⇒ Object 



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# File 'lib/github/pulse/git_analyzer.rb', line 18

def analyze_commits(since: nil, until_date: nil)
  walker = Rugged::Walker.new(repository)
  walker.push(repository.head.target_id)
  
  commits_by_author = Hash.new { |h, k| h[k] = [] }
  
  walker.each do |commit|
    commit_time = Time.at(commit.time)
    
    if since && commit_time < Time.parse(since)
      break
    end
    
    if until_date && commit_time > Time.parse(until_date)
      next
    end
    
    author = commit.author[:email]
    commits_by_author[author] << {
      sha: commit.oid,
      message: commit.message.lines.first&.strip,
      time: commit_time,
      additions: 0,
      deletions: 0
    }
  end
  
  commits_by_author.each do |author, commits|
    commits.each do |commit_data|
      stats = calculate_commit_stats(commit_data[:sha])
      commit_data[:additions] = stats[:additions]
      commit_data[:deletions] = stats[:deletions]
    end
  end
  
  commits_by_author
end

#commit_activity_by_day ⇒ Object 



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# File 'lib/github/pulse/git_analyzer.rb', line 81

def commit_activity_by_day
  walker = Rugged::Walker.new(repository)
  walker.push(repository.head.target_id)
  
  activity = Hash.new(0)
  
  walker.each do |commit|
    date = Time.at(commit.time).to_date
    activity[date] += 1
  end
  
  activity.sort.to_h
end

#lines_of_code_by_author ⇒ Object 



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# File 'lib/github/pulse/git_analyzer.rb', line 56

def lines_of_code_by_author
  blame_data = Hash.new(0)
  
  repository.head.target.tree.walk(:preorder) do |root, entry|
    next unless entry[:type] == :blob
    
    file_path = root.empty? ? entry[:name] : "#{root}/#{entry[:name]}"
    
    next if binary_file?(file_path)
    
    begin
      blame = Rugged::Blame.new(repository, file_path)
      blame.each do |hunk|
        author = hunk[:final_signature][:email]
        lines = hunk[:lines_in_hunk]
        blame_data[author] += lines
      end
    rescue StandardError
      next
    end
  end
  
  blame_data
end

#remote_url ⇒ Object 



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# File 'lib/github/pulse/git_analyzer.rb', line 95

def remote_url
  remotes = repository.remotes
  return nil if remotes.count == 0
  
  origin = remotes["origin"]
  return nil unless origin
  
  url = origin.url
  extract_github_repo(url)
end