Class: Wedge::Plugins::Uploader

Inherits:
Component show all
Defined in:
lib/wedge/plugins/uploader.rb

Defined Under Namespace

Classes: S3Signature

Instance Method Summary collapse

Methods inherited from Component

before_compile, config, dom, html, html!, #method_missing, method_missing, set_dom, store, tmpl, #to_js, #wedge, wedge_config, #wedge_config, wedge_dom, #wedge_dom, #wedge_from_client?, #wedge_from_server?, #wedge_function, wedge_html, #wedge_html, #wedge_javascript, wedge_name, wedge_new, wedge_on, wedge_on_server, #wedge_plugin, #wedge_scope, #wedge_store, #wedge_tmpl, wedge_tmpl, #wedge_trigger

Methods included from Methods

#client?, included, #server?

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Wedge::Component

Instance Method Details

#button(el, options = {}) ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 73

def button el, options = {}
  options = { multiple: false }.merge options
  drag_n_drop el, options
end

#delete(options = {}) ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 57

def delete options = {}
  options     = options.indifferent
  wedge_name   = options.delete :wedge_name
  wedge_method = options.delete :delete_method

  if wedge_name
    response.headers["Content-Type"] = 'application/json; charset=UTF-8'
    {
      success: true,
      wedge_name: wedge_name,
      wedge_method: wedge_method,
      wedge_response: wedge(wedge_name).to_js(wedge_method, options)
    }.to_json
  end
end

#drag_n_drop(el, options = {}) ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 78

def drag_n_drop el, options = {}
  id            = el.attr 'id'
  container_id  = "#{id}-container"
  template_id   = "#{id}-tmpl"
  key           = options.delete(:aws_name) || '{name}-{uuid}'

  # add s3 container
  el.after drag_n_drop_tmpl template_id, options
  el.after "<div id='#{container_id}'></div>"

  container = dom.find("##{container_id}")

  uploader = el.fine_uploader_dnd({
    classes: {
      dropActive: "cssClassToAddToDropZoneOnEnter"
    }
  })

  uploader.on('processingDroppedFiles') do |event|
    # todo: display some sort of a "processing" or spinner graphic
  end

  uploader.on('processingDroppedFilesComplete') do |event, files, dropTarget|
    # todo: hide spinner/processing graphic
    container.fine_uploader_s3('addFiles', files)
  end

  uploader_settings = {
      objectProperties: {
        key: function { |key_id|
          promise = Native(`new qq.Promise()`)
          @this.setName(key_id, @this.getName(key_id).gsub(/[^0-9A-Za-z_\.\s-]/, '').gsub(/\s{1,}/,'_'));
          uuid = @this.getUuid(key_id).split('-').last
          ext = @this.getName(key_id).split('.').last
          promise.success(key.gsub('{uuid}', uuid).gsub('{name}', @this.getName(key_id)).gsub('{ext}',ext));
          promise.to_n
        }
      },
      request: {
        # // REQUIRED: We are using a custom domain
        # // for our S3 bucket, in this case.  You can
        # // use any valid URL that points to your bucket.
        endpoint: "https://#{settings[:bucket]}.s3.amazonaws.com",
        # // REQUIRED: The AWS public key for the client-side user
        # // we provisioned.
        accessKey: settings[:aws_access_key_id]
      },

      template: template_id,

      # // REQUIRED: Path to our local server where requests
      # // can be signed.
      signature: {
        endpoint: "#{Wedge.assets_url}/wedge/plugins/uploader.call?__wedge_method__=signature&__wedge_args__=__wedge_data__&__wedge_name__=uploader_plugin",
        customHeaders: {'X-CSRF-Token' => Element.find('head > meta[name="_csrf"]').attr('content') }
      },

      # // OPTIONAL: An endopint for Fine Uploader to POST to
      # // after the file has been successfully uploaded.
      # // Server-side, we can declare this upload a failure
      # // if something is wrong with the file.
      uploadSuccess: {
        endpoint: "#{Wedge.assets_url}/wedge/plugins/uploader.call?__wedge_method__=success&__wedge_args__=__wedge_data__&__wedge_name__=uploader_plugin",
        customHeaders: {'X-CSRF-Token' => Element.find('head > meta[name="_csrf"]').attr('content') }
      },

      # // optional feature
      chunking: {
          enabled: true
      },

      # // optional feature
      resume: {
          enabled: true
      },

      thumbnails: {
          placeholders: {
              # notAvailablePath: "assets/not_available-generic.png",
              # waitingPath: "assets/waiting-generic.png"
          }
      },

      callbacks: {
        onSubmitted: function { |fu_id|
          params             = options
          button             = Native(@this._buttons[0])
          el                 = Element.find(button.getInput).closest('.s3-uploader');
          params[:dom_id]      = el.attr('id')
          params[:dom_file_id] = fu_id

          if `qq.supportedFeatures.canDetermineSize`
            size = @this.getSize(fu_id)
            params[:size] = size
          end

          @this.setUploadSuccessParams(params, fu_id)
        }
      }
  }

  if options[:delete_method]
    uploader_settings[:deleteFile] = {
      enabled: true,
      forceConfirm: true,
      endpoint: "#{Wedge.assets_url}/wedge/plugins/uploader.call?__wedge_method__=delete&__wedge_args__=__wedge_data__&__wedge_name__=uploader_plugin",
      params: options,
      customHeaders: {
        'X-CSRF-Token' => Element.find('head > meta[name="_csrf"]').attr('content'),
        'Accept' => '*/*;q=0.5, text/javascript, application/javascript, application/ecmascript, application/x-ecmascript'
      }
    }
  end

  if options[:accept_files]
    uploader_settings[:validation] = {
      acceptFiles: options[:accept_files]
    }
  end

  # if options[:resume_method]
  #   uploader_settings[:session] = {
  #     endpoint: "#{Wedge.assets_url}/app/components/#{options[:wedge_name]}.call?wedge_method=#{options[:resume_method]}&wedge_method_args=wedge_data&wedge_name=registration",
  #     params: options
  #   }
  # end
  if !options[:multiple].nil?
    uploader_settings[:multiple] = options.delete(:multiple)
  end
  fine_uploader = container.fine_uploader_s3(uploader_settings)

  fine_uploader.on('complete') do |event, _, name, response|
    return unless response

    name          = `response.wedge_name`
    dom_file_id   = `response.dom_file_id`
    method_called = `response.wedge_method`
    # fix: we should be able to get the object better than this
    data          = JSON.parse(`JSON.stringify(response.wedge_response)`)

    wedge(name).send(method_called, data)

    dom.find(".qq-file-id-#{dom_file_id}").remove unless options[:preserve_upload]
  end
end

#drag_n_drop_tmpl(id, options = {}) ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 224

def drag_n_drop_tmpl id, options = {}
  <<-EOF
  <script type="text/template" id="#{id}">
    <div class="qq-uploader-selector qq-uploader">
      <div class="qq-upload-button-selector qq-upload-button">
        <div>#{options.delete(:button_name) || 'Upload a file'}</div>
      </div>
      <div class="qq-upload-drop-area-selector qq-upload-drop-area" qq-hide-dropzone>
          <span>Drop file here to upload</span> </div>
      <span class="qq-drop-processing-selector qq-drop-processing">
        <span>Processing dropped files...</span>
        <span class="qq-drop-processing-spinner-selector qq-drop-processing-spinner"></span>
      </span>
        <ul class="qq-upload-list-selector qq-upload-list">
            <li>
                <div class="qq-progress-bar-container-selector">
                    <div class="qq-progress-bar-selector qq-progress-bar"></div>
                </div>
                <span class="qq-upload-spinner-selector qq-upload-spinner"></span>
                <img class="qq-thumbnail-selector" qq-max-size="100" qq-server-scale>
                <span class="qq-edit-filename-icon-selector qq-edit-filename-icon"></span>
                <span class="qq-upload-file-selector qq-upload-file"></span>
                <input class="qq-edit-filename-selector qq-edit-filename" tabindex="0" type="text">
                <span class="qq-upload-size-selector qq-upload-size"></span>
                <a class="qq-upload-cancel-selector btn-small btn-warning" href="#">Cancel</a>
                <a class="qq-upload-retry-selector btn-small btn-info" href="#">Retry</a>
                <a class="qq-upload-delete-selector btn-small btn-warning" href="#">Delete</a>
                <a class="qq-upload-pause-selector btn-small btn-info" href="#">Pause</a>
                <a class="qq-upload-continue-selector btn-small btn-info" href="#">Continue</a>
                <span class="qq-upload-status-text-selector qq-upload-status-text"></span>
                <a class="view-btn btn-small btn-info hide" target="_blank">View</a>
            </li>
        </ul>
    </div>
  </script>
  EOF
end

#settings ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 262

def settings
  @settings ||= store[:settings]
end

#signature(policy_data) ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 31

def signature policy_data
  s3 = S3Signature.new policy_data, settings

  {
    policy: s3.policy,
    signature: s3.signature
  }.to_json
end

#success(options = {}) ⇒ Object 



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# File 'lib/wedge/plugins/uploader.rb', line 40

def success options = {}
  options      = options.indifferent
  wedge_name   = options.delete :wedge_name
  wedge_method = options.delete :wedge_method

  if wedge_name
    response.headers["Content-Type"] = 'application/json; charset=UTF-8'
    {
      success: true,
      wedge_name: wedge_name,
      wedge_method: wedge_method,
      wedge_response: wedge(wedge_name).to_js(wedge_method, options),
      dom_file_id: options[:dom_file_id]
    }.to_json
  end
end