Class: DamageControl::StandardPersister

Inherits:
Object
  • Object
show all
Defined in:
lib/damagecontrol/standard_persister.rb

Overview

Persists standard stuff like changesets, diffs and RSS. Typically used within a block passed to a Poller. See App.

Instance Method Summary collapse

Instance Method Details

#save_changesets(project, changesets) ⇒ Object

Save the changesets to disk as YAML



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# File 'lib/damagecontrol/standard_persister.rb', line 12

def save_changesets(project, changesets)
  Log.info "Saving changesets for #{project.name}"
  changesets.accept(project.changesets_persister)
end

#save_diffs(project, changesets) ⇒ Object

Get the diffs for each change and save them.



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# File 'lib/damagecontrol/standard_persister.rb', line 18

def save_diffs(project, changesets)
  Log.info "Getting diffs for #{project.name}"
  dp = DamageControl::Visitor::DiffPersister.new(project.scm, project.name)
  changesets.accept(dp)
  Log.info "Saved diffs for #{project.name}"
end

#save_rss(project) ⇒ Object

Save RSS to disk. The RSS spec says max 15 items in a channel, (www.chadfowler.com/ruby/rss/) We’ll get upto the latest 15 changesets and turn them into RSS.



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# File 'lib/damagecontrol/standard_persister.rb', line 28

def save_rss(project)
  Log.info "Generating RSS for #{project.name}"
  last_15_changesets = project.changesets_persister.load_upto(project.changesets_persister.latest_identifier, 15)
  RSS::Maker.make("2.0") do |rss|
    FileUtils.mkdir_p(File.dirname(project.changesets_rss_file))
    File.open(project.changesets_rss_file, "w") do |io|
      rss_writer = DamageControl::Visitor::RssWriter.new(
        rss,
        "Changesets for #{project.name}",
        "http://localhost:4712/", # TODO point to web version of changeset
        project.name, 
        project.tracker || Tracker::Null.new, 
        project.scm_web || SCMWeb::Null.new        
      )
      last_15_changesets.accept(rss_writer)
      io.write(rss.to_rss)
    end
  end
  Log.info "Saved RSS for #{project.name} to #{project.changesets_rss_file}"
end