Class: EasyDatasController

Inherits:
ActionController::Base
  • Object
show all
Defined in:
lib/controllers/easy_datas_controller.rb

Instance Method Summary collapse

Instance Method Details

#access_to_data ⇒ Object

Information about access to publicated data



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# File 'lib/controllers/easy_datas_controller.rb', line 101

def access_to_data 
end

#authenticate_user ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 315

def authenticate_user
end

#custom_attributes ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 227

def custom_attributes

   rdf = ModelRdf.new
   @model = params[:model]

   params["rdf_type_attributes"].each do |att,value|
      rdf.update_attributes_model(params[:model],att,'namespace',value) if value != ""
      if params["attributes_property"] && !params["attributes_property"][att].nil?
       rdf.update_attributes_model(params[:model],att,'property',params["attributes_property"][att])  
      end
      rdf.update_attributes_model(params[:model],att,'privacy',params[:privacy][att])
   end
   
   
   params["rdf_type_associations"].each do |assoc,value|
      
      if value != ""
       rdf.update_associations_model(params[:model],assoc,'namespace',value)
      end
      if params["associations_property"] && params["associations_property"][assoc]
       rdf.update_associations_model(params[:model],assoc,'property',params["associations_property"][assoc])
      end
       rdf.update_associations_model(params[:model],assoc,'privacy',params[:privacy][assoc])
      
   end
   
   
   rdf.update_model(params[:model],"privacy",params[:privacy][params[:model]]) if params[:privacy][params[:model]]

   if params[:property]
     rdf.update_model(params[:model],"namespace",params[:namespace][params[:model]])
     rdf.update_model(params[:model],"property",params[:property][params[:model]]) 
   end
  
   rdf.save

   @model_attributes = rdf.get_attributes_model(@model)
   
   render :partial => "model_attributes",:layout => nil
end

#custom_rdf ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 126

def custom_rdf
  @models = DataModels.load_models
  @settings ||= YAML::load(File.open("#{RAILS_ROOT}/config/easy_data/setting.yaml"))
end

#custom_settings ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 279

def custom_settings
   @settings = YAML::load(File.open("#{RAILS_ROOT}/config/easy_data/setting.yaml"))
   
   if !params["project"]["project"].empty? && params["project"]["project"]!=@settings["project"]["name"]
     @settings["project"]["name"] = params["project"]["project"]
   end

   if !params["project"]["logo"].empty? && params["project"]["logo"]!=@settings["project"]["logo"]
     @settings["project"]["logo"] = params["project"]["logo"]
   end

   if !params["project"]["description"].empty? && params["project"]["description"]!=@settings["project"]["description"]
     @settings["project"]["description"] = params["project"]["description"]
   end

   if !params["project"]["email"].empty? && params["project"]["email"]!=@settings["project"]["contact_email"]
     @settings["project"]["contact_email"] = params["project"]["email"]
   end
   
   if !params["user_admin"]["user"].empty? && !params["user_admin"]["pass"].empty?
     (@settings["user_admin"]["user"] = params["user_admin"]["user"]) if @settings["user_admin"]["user"]!=params["user_admin"]["user"]
     (@settings["user_admin"]["pass"] = params["user_admin"]["pass"]) if @settings["user_admin"]["pass"]!=params["user_admin"]["pass"]
   end

   (@settings["access"]["ip"] = params["access"]["ip"]) if params["access"]["ip"]!=@settings["access"]["ip"] && params["access"]["ip"]!= ""
   
   save_settings(@settings)

   render :template => "easy_datas/view_settings",:layout => false
end

#faq ⇒ Object

FAQ



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# File 'lib/controllers/easy_datas_controller.rb', line 109

def faq
end

#info_easy_data ⇒ Object

Show information about data publications



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# File 'lib/controllers/easy_datas_controller.rb', line 84

def info_easy_data
    rdf = ModelRdf.new
    models = rdf.get_not_hidden_models
    @list = []
    @settings ||= YAML::load(File.open("#{RAILS_ROOT}/config/easy_data/setting.yaml"))
    
    models.each do |mod|
     @list << "#{mod.gsub("::","_")}"
    end
  
    respond_to do |format|
      format.html
      format.xml
    end
end

#linked_data ⇒ Object

Generate Linked Data Graph



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# File 'lib/controllers/easy_datas_controller.rb', line 105

def linked_data
end

#load_classes ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 183

def load_classes

   unless params[:id] == ""
     namespace = "EasyData::RDF::#{params[:id].upcase}"

     rdf = ModelRdf.new    
 
     @namespace = params[:id]
     @model_attributes = rdf.get_attributes_model(params[:model])
     
     classes = (eval namespace).classes_form
     
     render :inline => "<span>Class:</span><%= select 'property',attribute,properties,{:prompt => 'Select a class...'} -%><span class='rdf_info'>(Current value: <%= current_value%>)</span><br />",
            :locals => {:properties => classes,
                        :attribute => params[:model],
                        :current_value => @model_attributes[:property]}
   else
     render :inline => ""
   end
end

#load_linked_data_graph ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 204

def load_linked_data_graph
   if params[:model]
    @model = params[:model]
    @associations = ModelRdf.new.get_associations_model(@model) 
    @host = "http://"+request.env["HTTP_HOST"]
    render :partial => "linked_data_model"
   else
    rdf = ModelRdf.new
    models = []
    DataModels.load_models.each do |mod|
      unless rdf.hidden?(mod) 
        models << mod
      end
    end
    @list = []
    models.each do |mod|
     @list << "#{mod.gsub("::","_")}"
    end

    render :partial => "linked_datas",:layout => nil
   end
end

#load_properties ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 161

def load_properties

   unless params[:id] == ""
     namespace = "EasyData::RDF::#{params[:id].upcase}"

     rdf = ModelRdf.new    
 
     @namespace = params[:id]
     @model_attributes = rdf.get_attributes_model(params[:model])
     
     properties = (eval namespace).properties_form
 
     render :inline => "<span>Property:</span><%= select type+'_property',attribute,properties,{:prompt => 'Select a property...'} -%><span class='rdf_info'>(Current value: <%= current_value%>)</span>",
            :locals => {:properties => properties,
                        :type => params[:type],
                        :attribute => params[:attribute],
                        :current_value => @model_attributes[params[:type]][params[:attribute]][:property]}
   else
     render :inline => ""
   end
end

#login ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 318

def 
  @admin = YAML::load(File.open("#{RAILS_ROOT}/config/easy_data/setting.yaml"))

  if @admin["user_admin"]["user"] == params[:nick] && @admin["user_admin"]["password"] == params[:pass]
    @current_user = params[:nick]
    session[:easy_data_session] = params[:nick]
    redirect_to :action => "custom_rdf"
  else
    redirect_to :authenticate_user
  end
end

#logout ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 330

def logout
  @current_user = nil
  session[:easy_data_session]=nil if !session[:easy_data_session].nil?
  redirect_to :action => "authenticate_user"
end

#model_attributes ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 131

def model_attributes
  
  rdf = ModelRdf.new
  @model_attributes = rdf.get_attributes_model(params[:model])
  @model = params[:model]

  render :partial => "model_attributes",:layout => nil
end

#model_attributes_edit ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 140

def model_attributes_edit

   rdf = ModelRdf.new

   @model_attributes = rdf.get_attributes_model(params[:model])
   @model = params[:model]
   @namespaces = EasyData::RDF::Namespaces.list_form
   
   render :partial => "model_attributes_edit",:layout => nil

end

#model_attributes_info ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 152

def model_attributes_info
  rdf = ModelRdf.new
  
  @model_attributes = rdf.get_attributes_model(params[:model])
  @model = params[:model]

  render :partial => "model_attributes_info",:layout => nil
end

#models ⇒ Object

Access to list of model of Data Model



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# File 'lib/controllers/easy_datas_controller.rb', line 113

def models 
  @xml = Builder::XmlMarkup.new
  rdf = ModelRdf.new
  @list = rdf.get_not_hidden_models
  @host="http://"+request.env["SERVER_NAME"]     
  
  respond_to do |format|
    format.html
    format.xml                     # render :template => "/rdf/request.xml.builder"   
  end
 
end

#refresh_information ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 310

def refresh_information
   EasyData.refresh_information
   redirect_to :action => "custom_rdf"
end

#settings ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 273

def settings
   @settings ||= YAML::load(File.open("#{RAILS_ROOT}/config/easy_data/setting.yaml"))
   @images = Dir["#{RAILS_ROOT}/public/images/*"].map{|img| [img.gsub("#{RAILS_ROOT}/public/images/",""),img.gsub("#{RAILS_ROOT}/public/images/","")]}
   render :partial => "settings",:layout => nil
end

#show ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 11

def show
  
    if params[:id].nil? && params[:model] == params[:model].pluralize   #Because, the model's name is the sames in pluralize format, example: News
       redirect_to :action => "show_all",:locals => {:model => params[:model]}
    end 
    begin
      model = eval params[:model].to_s
    
      conditions = parser_params(params)
   
      rdf = ModelRdf.new      

      @model_info = rdf.get_attributes_model params[:model]
     
      no_valid = lambda{|c| c.nil?||c.empty?}
     
      @reply = model.find :all, :conditions => {:id => params[:id]}
          
      unless @reply.nil?
        @host="http://"+request.env["HTTP_HOST"]+request.env["SCRIPT_NAME"]
        
        @rdf_model = rdf.get_model_rdf(@reply,params[:model],@host)
      end
     
      @xml = Builder::XmlMarkup.new
    
      if no_valid.call(@rdf_model[:header]) || @reply.nil?  # If the URI not available or data no publicated
         render :nothing => true, :status => 400
      else  
         respond_to do |format|
           format.html
           format.xml                     # render :template => "/rdf/request.xml.builder"   
         end
      end
    rescue
        render :nothing => true, :status => 404
    end
end

#show_all ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 50

def show_all
    begin
      model = eval params[:model].to_s
    
      rdf = ModelRdf.new      
    
      @model_info = rdf.get_attributes_model params[:model]

      no_valid = lambda{|c| c.nil?||c.empty?}

      @reply = model.find :all || nil
   
      @host="http://"+request.env["HTTP_HOST"]+request.env["SCRIPT_NAME"]         
    
      @rdf_model = rdf.get_model_rdf(@reply,params[:model],@host)
    
      @xml = Builder::XmlMarkup.new
    
      if no_valid.call(@rdf_model[:header]) || @reply.nil?  # If the URI not available or data no publicated
        render :nothing => true, :status => 404
      else
        respond_to do |format|
          format.html
          format.xml # render :template => "/rdf/request.xml.builder"   
        end
      end
    rescue
       render :nothing => true, :status => 404
    end
end

#view_settings ⇒ Object 



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# File 'lib/controllers/easy_datas_controller.rb', line 268

def view_settings
  @settings ||= YAML::load(File.open("#{RAILS_ROOT}/config/easy_data/setting.yaml"))
  render :template => "easy_datas/view_settings", :layout => false
end