Module: Hydra::Controller::FileAssetsBehavior

Extended by:
ActiveSupport::Concern, Deprecation
Included in:
FileAssetsController
Defined in:
lib/hydra/controller/file_assets_behavior.rb

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object

Creates and Saves a File Asset to contain the the Uploaded file If container_id is provided:

  • the File Asset will use RELS-EXT to assert that it’s a part of the specified container

  • the method will redirect to the container object’s edit view after saving



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 61

def create
  if params.has_key?(:number_of_files) and params[:number_of_files] != "0"
    return redirect_to edit_catalog_path(params[:id], :wf_step => :files, :number_of_files => params[:number_of_files])
  elsif params.has_key?(:number_of_files) and params[:number_of_files] == "0"
    return redirect_to next_step(params[:id])
  end
  
  authorize! :edit, (params[:container_id] || params[:id])
  
  if params.has_key?(:Filedata)
    notice = process_files
    flash[:notice] = notice.join("<br/>".html_safe) unless notice.blank?
  else
    flash[:notice] = "You must specify a file to upload."
  end
  
  if params[:container_id]
    redirect_to next_step(params[:container_id])
  else
    redirect_to catalog_index_path
  end

end

#destroy ⇒ Object

Common destroy method for all AssetsControllers



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 109

def destroy
  authorize! :destroy, params[:id]
  ActiveFedora::Base.find(params[:id], :cast=>true).delete 

  flash[:notice] = "Deleted #{params[:id]} from #{params[:container_id]}."
  
  if !params[:container_id].nil?
    redirect_params = edit_catalog_path(params[:container_id], :anchor => "file_assets")
  end
  redirect_params ||= {:action => 'index', :q => nil , :f => nil}
  
  redirect_to redirect_params
  
end

#index ⇒ Object 



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 26

def index
  if params[:layout] == "false"
    layout = false
  end

  if params[:asset_id].nil?
    @solr_result = FileAsset.find_with_conditions({})
  else
    container_uri = "info:fedora/#{params[:asset_id]}"
    escaped_uri = ActiveFedora::SolrService.escape_uri_for_query(container_uri)
    extra_controller_params =  {:q=>"is_part_of_s:#{escaped_uri}", 'qf'=>'is_part_of_s', 'qt'=>'standard', :rows=>10}.with_indifferent_access
    @response, @document_list = get_search_results( extra_controller_params )
    
    # Including this line so permissions tests can be run against the container
    @container_response, @document = get_solr_response_for_doc_id(params[:asset_id])
    
    # Including these lines for backwards compatibility (until we can use Rails3 callbacks)
    @container =  ActiveFedora::Base.find(params[:asset_id], :cast=>true)
    @solr_result = @container.parts(:response_format=>:solr)
  end
  
  # Load permissions_solr_doc based on params[:asset_id]
  load_permissions_from_solr(params[:asset_id])
  
  render :action=>params[:action], :layout=>layout
end

#new ⇒ Object 



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 53

def new
  render :partial=>"new", :layout=>false
end

#process_files ⇒ Object 



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 85

def process_files
  @file_assets = create_and_save_file_assets_from_params
  notice = []
  @file_assets.each do |file_asset|
    apply_depositor_metadata(file_asset)

    notice << render_to_string(:partial=>'hydra/file_assets/asset_saved_flash', :locals => { :file_asset => file_asset })
      
    if !params[:container_id].nil?
      associate_file_asset_with_container(file_asset,'info:fedora/' + params[:container_id])
    end

    ## Apply any posted file metadata
    unless params[:asset].nil?
      logger.debug("applying submitted file metadata: #{@sanitized_params.inspect}")
      apply_file_metadata
    end
    # If redirect_params has not been set, use {:action=>:index}
    logger.debug "Created #{file_asset.pid}."
  end
  notice
end

#show ⇒ Object 



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 125

def show
  begin
    @file_asset = FileAsset.find(params[:id])
  rescue ActiveFedora::ObjectNotFoundError
    logger.warn("No such file asset: " + params[:id])
    flash[:notice]= "No such file asset."
    redirect_to(:action => 'index', :q => nil , :f => nil)
    return
  end
  # get containing object for this FileAsset
  pid = @file_asset.container_id
  parent = ActiveFedora::Base.find(pid, :cast=>true)
  @downloadable = false
  # A FileAsset is downloadable iff the user has read or higher access to a parent

  if can? :read, parent
    # First try to use datastream_id value (set in FileAssetsHelper)
    if @file_asset.datastreams.include?(datastream_id)
      send_datastream @file_asset.datastreams[datastream_id]
    elsif @file_asset.datastreams.include?("DS1")
      send_datastream @file_asset.datastreams["DS1"]
    end
  else
    raise Hydra::AccessDenied.new("You do not have sufficient access privileges to download this file.")
  end
end

#show_deprecation_message ⇒ Object 



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# File 'lib/hydra/controller/file_assets_behavior.rb', line 22

def show_deprecation_message
  Deprecation.warn Hydra::Controller::FileAssetsBehavior, "Hydra::Controller::FileAssetsBehavior will be removed in hydra-head 6.0"
end