Class: Git::Heatmap::Commits

Inherits:
Object
  • Object
show all
Defined in:
lib/git/heatmap/commits.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filter: Weekly.new, depth: 4) ⇒ Commits

Returns a new instance of Commits.



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# File 'lib/git/heatmap/commits.rb', line 76

def initialize(filter: Weekly.new, depth: 4)
  @filter = filter
  
  @authors = Set.new
  @directories = Hash.new{|h,k| h[k] = Aggregate.new(filter)}
  
  @depth = depth
  
  @earliest_commit_at = nil
  @latest_commit_at = nil
  
  @maximum = nil
end

Instance Attribute Details

#authors ⇒ Object (readonly)

Returns the value of attribute authors.



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# File 'lib/git/heatmap/commits.rb', line 103

def authors
  @authors
end

#directories ⇒ Object (readonly)

Returns the value of attribute directories.



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# File 'lib/git/heatmap/commits.rb', line 104

def directories
  @directories
end

#earliest_commit_at ⇒ Object (readonly)

Returns the value of attribute earliest_commit_at.



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# File 'lib/git/heatmap/commits.rb', line 92

def earliest_commit_at
  @earliest_commit_at
end

#filter ⇒ Object (readonly)

Returns the value of attribute filter.



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# File 'lib/git/heatmap/commits.rb', line 90

def filter
  @filter
end

#latest_commit_at ⇒ Object (readonly)

Returns the value of attribute latest_commit_at.



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# File 'lib/git/heatmap/commits.rb', line 93

def latest_commit_at
  @latest_commit_at
end

Instance Method Details

#<<(commit) ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 112

def << commit
  @maximum = nil
  
  if parent = commit.parents.first
    # Documentation seems to imply this shouldn't be needed.
    diff = commit.diff(commit.parents.first.tree)
  else
    diff = commit.diff
  end
  
  author = commit.author
  time = author[:time]
  @authors << author[:name]
  
  if @earliest_commit_at.nil? or time < @earliest_commit_at
    @earliest_commit_at = time
  end
  
  if @latest_commit_at.nil? or time > @latest_commit_at
    @latest_commit_at = time
  end
  
  diff.each_patch do |patch|
    delta = patch.delta
    path = delta.new_file[:path]
    
    parts = path.split(File::SEPARATOR)
    parts.unshift(File.basename(commit.tree.repo.workdir))
    parts.pop # Remove file name
    root = parts[0...@depth]
    
    @directories[root] << commit
  end
end

#add(repository) ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 147

def add(repository)
  walker = Rugged::Walker.new(repository)
  
  walker.sorting(Rugged::SORT_DATE)
  walker.push(repository.head.target.oid)
  
  walker.each do |commit|
    self << commit
  end
end

#each_directory ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 106

def each_directory
  @directories.keys.sort.each do |key|
    yield key, @directories[key]
  end
end

#each_period(&block) ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 95

def each_period(&block)
  @filter.between(@earliest_commit_at, @latest_commit_at, &block)
end

#maximum ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 99

def maximum
  @maximum ||= @directories.each_value.max_by(&:maximum).maximum
end