Class: Rack::MonetaRest

### Home Classes Methods

### In Files

- lib/rack/moneta_rest.rb

### Parent

Object

### Methods

- ::new
- #call

### Files

- LICENSE

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No matching classes.

# Rack::MonetaRest

A Rack application which provides a REST interface to a Moneta store.

@example config.ru

    map '/moneta' do
      run Rack::MonetaRest.new(:Memory)
    end

@example config.ru

    # Pass it a block like the one passed to Moneta.build
    run Rack::MonetaRest.new do
      use :Transformer, :value => :zlib
      adapter :Memory
    end

@api public

### Public Class Methods

new(store = nil, options = {}, &block) click to toggle source

    # File lib/rack/moneta_rest.rb, line 20
    def initialize(store = nil, options = {}, &block)
      if block
        raise ArgumentError, 'Use either block or options' unless options.empty?
        @store = ::Moneta.build(&block)
      else
        raise ArgumentError, 'Block or argument store is required' unless @store = store
        @store = ::Moneta.new(@store, options) if Symbol === @store
      end
    end

### Public Instance Methods

call(env) click to toggle source

    # File lib/rack/moneta_rest.rb, line 30
    def call(env)
      key = env['PATH_INFO'][1..-1].to_s
      case env['REQUEST_METHOD']
      when 'HEAD'
        if key.empty?
          respond(400, 'Empty key')
        elsif @store.key?(key)
          empty(200)
        else
          empty(404)
        end
      when 'GET'
        if key.empty?
          respond(400, 'Empty key')
        elsif value = @store[key]
          respond(200, value)
        else
          empty(404)
        end
      when 'POST', 'PUT'
        if key.empty?
          respond(400, 'Empty key')
        else
          respond(200, @store[key] = env['rack.input'].read)
        end
      when 'DELETE'
        if key.empty?
          @store.clear
          empty(200)
        else
          respond(200, @store.delete(key))
        end
      else
        respond(400, 'Bad method')
      end
    rescue => ex
      respond(500, "Exception: #{ex.message}")
    end

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