Module: CouchRest::Commands::Generate

Defined in:
lib/couchrest/commands/generate.rb

Class Method Summary collapse

Class Method Details

.help ⇒ Object 



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# File 'lib/couchrest/commands/generate.rb', line 49

def self.help
  helpstring = <<-GEN

  Usage: couchview generate directory design1 design2 design3 ...

  Couchview will create directories and example views for the design documents you specify.

  GEN
  helpstring.gsub(/^        /, '')
end

.run(options) ⇒ Object 



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# File 'lib/couchrest/commands/generate.rb', line 7

def self.run(options)
  directory    = options[:directory]
  design_names = options[:trailing_args]

  FileUtils.mkdir_p(directory)
  filename = File.join(directory, "lib.js")
  self.write(filename, <<-FUNC)
  // Put global functions here.
  // Include in your views with
  //
  //   //include-lib
  FUNC

  design_names.each do |design_name|
    subdirectory = File.join(directory, design_name)
    FileUtils.mkdir_p(subdirectory)
    filename = File.join(subdirectory, "sample-map.js")
    self.write(filename, <<-FUNC)
    function(doc) {
      // Keys is first letter of _id
      emit(doc._id[0], doc);
    }
    FUNC

    filename = File.join(subdirectory, "sample-reduce.js")
    self.write(filename, <<-FUNC)
    function(keys, values) {
      // Count the number of keys starting with this letter
      return values.length;
    }
    FUNC

    filename = File.join(subdirectory, "lib.js")
    self.write(filename, <<-FUNC)
    // Put functions specific to '#{design_name}' here.
    // Include in your views with
    //
    //   //include-lib
    FUNC
  end
end

.write(filename, contents) ⇒ Object 



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# File 'lib/couchrest/commands/generate.rb', line 60

def self.write(filename, contents)
  puts "Writing #{filename}"
  File.open(filename, "w") do |f|
    # Remove leading spaces
    contents.gsub!(/^        (  )?/, '')
    f.write contents
  end
end