Module: Cul::Hydra::Controllers::Resources

Extended by:
ActiveSupport::Concern
Defined in:
lib/cul_hydra/controllers/resources.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/cul_hydra/controllers/resources.rb', line 48

def create
  if params.has_key?(:Filedata) or params.has_key?(:Fileurl)
    flash[:notice] = process_files # "The file #{params[:Filename]} has been saved in <a href=\"#{asset_url(@resource.pid)}\">#{@resource.pid}</a>."
  else
    flash[:notice] = "You must specify a file to upload."
  end
  
  if !params[:container_id].nil?
    redirect_params = {:controller=>"catalog", :id=>params[:container_id], :action=>:edit}
  end
  
  redirect_params ||= {:action=>:index}
  
  redirect_to redirect_params
end

#destroy ⇒ Object

Common destroy method for all AssetsControllers



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# File 'lib/cul_hydra/controllers/resources.rb', line 110

def destroy
  # The correct implementation, with garbage collection:
  # if params.has_key?(:container_id)
  #   container = ActiveFedora::Base.load_instance(params[:container_id]) 
  #   container.file_objects_remove(params[:id])
  #   FileAsset.garbage_collect(params[:id])
  # else
  
  # The dirty implementation (leaves relationship in container object, deletes regardless of whether the file object has other containers)
  ActiveFedora::Base.load_instance(params[:id]).delete 
  flash[:notice] = "Deleted #{params[:id]}."
  if !params[:container_id].nil?
    redirect_params = {:controller=>"catalog", :id=>params[:container_id], :action=>:edit}
  end
  
  redirect_params ||= {:action=>:index}
  
  redirect_to redirect_params
end

#index ⇒ Object 



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# File 'lib/cul_hydra/controllers/resources.rb', line 16

def index
  if params[:layout] == "false"
    # action = "index_embedded"
    layout = false
  end
  if !params[:container_id].nil?
    container_uri = "info:fedora/#{params[:container_id]}"
    escaped_uri = container_uri.gsub(/(:)/, '\\:')
    extra_controller_params =  {:q=>"cul_member_of_s:#{escaped_uri}"}
    @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[:container_id])
    
    # Including these lines for backwards compatibility (until we can use Rails3 callbacks)
    @container =  ActiveFedora::Base.load_instance(params[:container_id])
    @solr_result = @container.file_objects(:response_format=>:solr)
  else
    # @solr_result = ActiveFedora::SolrService.instance.conn.query('has_model_field:info\:fedora/ldpd\:Resource', @search_params)
    @solr_result = Resource.find_by_solr(:all)
  end
  render :action=>params[:action], :layout=>layout
end

#new ⇒ Object 



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# File 'lib/cul_hydra/controllers/resources.rb', line 40

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

#process_files ⇒ Object 



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# File 'lib/cul_hydra/controllers/resources.rb', line 79

def process_files
  @resources = create_and_save_resources_from_params
  notice = []
  @resources.each do |resource|
    apply_depositor_metadata(resource)
    notice << "The file #{resource.label} has been saved in <a href=\"#{asset_url(resource.pid)}\">#{resource.pid}</a>."
    if !params[:container_id].nil?
      associate_resource_with_container(resource,params[:container_id])
    end
    ## Apply any posted file metadata
    unless params[:asset].nil?
      logger.debug("applying submitted file metadata: #{@sanitized_params.inspect}")
      apply_posted_file_metadata(resource)
    end
    resource.save
    logger.debug("Created #{resource.pid}.")
  end
end

#show ⇒ Object 



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# File 'lib/cul_hydra/controllers/resources.rb', line 131

def show
  @file_asset = Resource.find(params[:id])
  if (@file_asset.nil?)
    logger.warn("No such resource: " + params[:id])
    flash[:notice]= "No such resource."
    redirect_to(:action => 'index', :q => nil , :f => nil)
  else
    # get array of parent (container) objects for this FileAsset
    @id_array = @file_asset.containers(:response_format => :id_array)
    @downloadable = false
    # A FileAsset is downloadable iff the user has read or higher access to a parent
    @id_array.each do |pid|
      @response, @document = get_solr_response_for_doc_id(pid)
      if reader?
        @downloadable = true
        break
      end
    end

    if @downloadable
      if @file_asset.datastreams_in_memory.include?("CONTENT")
        send_datastream @file_asset.datastreams_in_memory["CONTENT"]
      end
    else
      flash[:notice]= "You do not have sufficient access privileges to download this document, which has been marked private."
      redirect_to(:action => 'index', :q => nil , :f => nil)
    end
  end
end

#update ⇒ Object 



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# File 'lib/cul_hydra/controllers/resources.rb', line 64

def update
  if params.has_key?(:Filedata) or params.has_key?(:Fileurl)
    flash[:notice] = update_file # "The file #{params[:Filename]} has been saved in <a href=\"#{asset_url(@resource.pid)}\">#{@resource.pid}</a>."
  else
    flash[:notice] = "You must specify a file to upload."
  end
  if !params[:id].nil?
    redirect_params = {:controller=>"catalog", :id=>params[:id], :action=>:edit}
  end
  
  redirect_params ||= {:action=>:index}
  
  redirect_to redirect_params
end

#update_file ⇒ Object 



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# File 'lib/cul_hydra/controllers/resources.rb', line 98

def update_file
  update_resource_from_params
  apply_depositor_metadata(@document_fedora)
  notice << "The file #{@document_fedora.label} has been saved in <a href=\"#{asset_url(@document_fedora.pid)}\">#{@document_fedora.pid}</a>."
  unless params[:asset].nil?
    logger.debug("applying submitted file metadata: #{@sanitized_params.inspect}")
    apply_posted_file_metadata(@document_fedora)
  end
  @document_fedora.save
  logger.debug("Created #{@document_fedora.pid}.")
end