Class: Giblish::AddHistoryPostBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/giblish/gitrepos/history_pb.rb

Overview

Adds a ‘FileHistory’ instance to each node’s data via dynamic composition. Users down-the-line can then call node.data.history to receive a FileHistory object.

Instance Method Summary collapse

Constructor Details

#initialize(repo_root) ⇒ AddHistoryPostBuilder

Returns a new instance of AddHistoryPostBuilder.



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# File 'lib/giblish/gitrepos/history_pb.rb', line 9

def initialize(repo_root)
  @git_itf = GitItf.new(repo_root)
end

Instance Method Details

#on_postbuild(src_tree, dst_tree, converter) ⇒ Object

Called from TreeConverter during post build phase



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# File 'lib/giblish/gitrepos/history_pb.rb', line 14

def on_postbuild(src_tree, dst_tree, converter)
  current_branch = @git_itf.current_branch

  dst_tree.traverse_preorder do |level, dst_node|
    unless dst_node.leaf?
      # Non-leaf nodes don't have conversion info yet, create NodeDataProvider with history
      if dst_node.data.nil?
        dst_node.data = NodeDataProvider.new(FileHistory.new(current_branch))
      end
      next
    end

    src_node = dst_node.data.src_node
    next unless src_node.pathname.exist?

    # Get the commit history of the doc as an Array of entries
    file_log = FileHistory.new(current_branch)
    @git_itf.file_log(src_node.pathname.to_s).each do |log_entry|
      file_log.history << FileHistory::LogEntry.new(
        log_entry["date"],
        log_entry["author"],
        log_entry["message"],
        log_entry["sha"]
      )
    end

    # Add history provider to existing NodeDataProvider
    dst_node.data.add_provider(file_log)
  end
end