class MashupController {
		
	def feedService

    def index = { }
    
    def action = {
		println "params : $params"
		
		def scriptName = params.__scriptName
		def variableName = params.__variableName
		
		params.keySet().removeAll(['__scriptName', '__variableName'] as Set)
		
		def mashup = new Mashup(this, scriptName)	
			
    	def binding = new Binding([params: params, mashup: mashup, feed: feedService])
        def shell = new GroovyShell(binding)    	
    	def script = new File("${servletContext.getRealPath('/scripts')}/${scriptName}.groovy")
    	
    	if (variableName == 'source') {
    		render(text: script.text, contentType: 'text/plain', encoding: 'UTF-8')    		
    		return
    	}
		
    	shell.evaluate(script)
    	
    	def variable = binding.getVariable(variableName)
    	if (variable instanceof Closure) {       		
    		def result = variable()    	
    		if (result)
    			render result
    		else if (!mashup.rendered)
    			render 'Action réussie !'
    	}
    	else
    		render variable
    }
    
}

class Mashup {
	
	def rendered = false
	
	private def controller
	
	private def script
		
	Mashup(controller, script) {
		this.controller = controller
		this.script = script
	}
	
	def render(args) {
		if (args instanceof Map && args.view)
			args.view = "mashup/$script/$args.view"
		controller.render(args)
		rendered = true
		return
	}
	
	def render(args, Closure cl) {
		controller.render(args, cl)
		rendered = true
		return
	}
	
}