Method: CouchDiff#patch

Defined in:
lib/couchdiff.rb

#patch(src_db, dst_db, copier = Copier.new(src_db, dst_db)) ⇒ Object 



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# File 'lib/couchdiff.rb', line 80

def patch src_db, dst_db, copier = Copier.new(src_db, dst_db)

  p_bar = ProgressBar.new('Adding docs', @added.size)
  # ADD new docs
  until @added.empty?
    doc_ids = (@added.shift(20)).map {|src| src['id'] }
    src_docs = src_db.get_bulk(doc_ids)['rows']
    src_docs.each do |src_doc|
      puts "[Adding #{src_doc['doc']['_id']}]"
      copier.copy src_doc['doc'], nil
      p_bar.inc
    end
  end
  p_bar.finish

  p_bar = ProgressBar.new('Updating docs', @updated.size)

  # UPDATE docs (if they changed)
  until @updated.empty?
    # process 25 docs at a time
    doc_ids =  (@updated.shift(25)).map {|src, dst| src['id'] }
    src_docs = src_db.get_bulk(doc_ids)['rows']
    dst_docs = dst_db.get_bulk(doc_ids)['rows']

    # update dst_docs content
    src_docs.each_with_index do |src_doc, index|
      dst_doc = dst_docs[index]

      # puts "[Updating #{src_doc['doc']['_id']}]"
      copier.copy src_doc['doc'], dst_doc['doc']
      p_bar.inc
    end
  end
  dst_db.bulk_save # flush any pending docs
  p_bar.finish


  # REMOVE deleted docs
  p_bar = ProgressBar.new('Deleting docs', @deleted.size)
  dst_db.bulk_save @deleted.map { |doc| {"_id" => doc["id"], "_rev" => doc['doc']['_rev'], "_deleted" => true } } unless @deleted.empty?
  p_bar.finish

end