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 93

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 120

def authors
  @authors
end

#directories ⇒ Object (readonly)

Returns the value of attribute directories.



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# File 'lib/git/heatmap/commits.rb', line 121

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 109

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 107

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 110

def latest_commit_at
  @latest_commit_at
end

Instance Method Details

#<<(commit) ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 129

def << commit
	@maximum = nil
	
	if parent = commit.parents.first
		# Documentation seems to imply this shouldn't be needed.
		diff = parent.diff(commit.tree)
	else
		empty_tree = Rugged::Tree.empty(commit.tree.repo)
		diff = empty_tree.diff(commit.tree)
	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].add(commit, patch)
	end
end

#add(repository) ⇒ Object 



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# File 'lib/git/heatmap/commits.rb', line 165

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 123

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 112

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 116

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