Class: Presently::Application

Inherits:
Lively::Application
  • Object
show all
Defined in:
lib/presently/application.rb

Overview

Represents the main Presently application middleware.

Handles routing for the display view (‘/`), presenter view (`/presenter`), and WebSocket connections (`/live`). Creates a shared PresentationController that keeps all connected clients in sync.

Instance Method Summary collapse

Constructor Details

#initialize(delegate, slides_root: "slides", templates_roots: []) ⇒ Application

Initialize a new Presently application.



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# File 'lib/presently/application.rb', line 28

def initialize(delegate, slides_root: "slides", templates_roots: [])
	@slides_root = slides_root
	@templates_roots = templates_roots
	
	super(delegate)
end

Instance Method Details

#allowed_views ⇒ Object

The view classes that this application allows.



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# File 'lib/presently/application.rb', line 37

def allowed_views
	[DisplayView, PresenterView]
end

#body(request) ⇒ Object

Create the body view for the given request path.



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# File 'lib/presently/application.rb', line 67

def body(request)
	case request.path
	when "/"
		DisplayView.new(controller: controller)
	when "/presenter"
		PresenterView.new(controller: controller)
	end
end

#controller ⇒ Object

The shared presentation controller.



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# File 'lib/presently/application.rb', line 49

def controller
	@controller ||= begin
		templates = Templates.for(@templates_roots)
		presentation = Presentation.load(@slides_root, templates: templates)
		
		PresentationController.new(presentation, state: State.new)
	end
end

#handle(request) ⇒ Object

Handle an HTTP request by rendering the appropriate page.



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# File 'lib/presently/application.rb', line 79

def handle(request)
	path, query = request.path.split("?", 2)
	
	if path == "/export"
		options = Export.options_from_query(query)
		presentation = Presentation.load(@slides_root, templates: controller.templates)
		export = Export.new(presentation: presentation, **options)
		return Protocol::HTTP::Response[200, [["content-type", "text/html"]], [export.call]]
	end
	
	if body = self.body(request)
		page = Page.new(title: title, body: body)
		return Protocol::HTTP::Response[200, [], [page.call]]
	else
		return Protocol::HTTP::Response[404, [], ["Not Found"]]
	end
end

#state ⇒ Object

The shared state passed to all views via the resolver.



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# File 'lib/presently/application.rb', line 43

def state
	{controller: controller}
end

#title ⇒ Object

The application title shown in the browser.



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# File 'lib/presently/application.rb', line 60

def title
	"Presently"
end