Class: Utopia::Controller
- Inherits:
-
Object
- Object
- Utopia::Controller
show all
- Defined in:
- lib/utopia/controller.rb,
lib/utopia/controller/base.rb,
lib/utopia/controller/action.rb,
lib/utopia/controller/respond.rb,
lib/utopia/controller/rewrite.rb,
lib/utopia/controller/variables.rb
Defined Under Namespace
Modules: Respond, Rewrite
Classes: Action, Base, Variables
Constant Summary
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- CONTROLLER_RB =
'controller.rb'.freeze
Instance Attribute Summary collapse
Instance Method Summary
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Constructor Details
#initialize(app, root: nil, cache_controllers: false) ⇒ Controller
Returns a new instance of Controller.
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# File 'lib/utopia/controller.rb', line 50
def initialize(app, root: nil, cache_controllers: false)
@app = app
@root = root || Utopia::default_root
if cache_controllers
@controller_cache = Concurrent::Map.new
else
@controller_cache = nil
end
end
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Instance Attribute Details
#app ⇒ Object
Returns the value of attribute app.
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# File 'lib/utopia/controller.rb', line 61
def app
@app
end
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Instance Method Details
#call(env) ⇒ Object
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# File 'lib/utopia/controller.rb', line 139
def call(env)
env[VARIABLES_KEY] ||= Variables.new
request = Rack::Request.new(env)
if result = invoke_controllers(request)
return result
end
return @app.call(env)
end
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#freeze ⇒ Object
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# File 'lib/utopia/controller.rb', line 63
def freeze
@root.freeze
super
end
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#invoke_controllers(request) ⇒ Object
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# File 'lib/utopia/controller.rb', line 111
def invoke_controllers(request)
relative_path = Path[request.path_info]
controller_path = Path.new
variables = request.env[VARIABLES_KEY]
while relative_path.components.any?
controller_path.components << relative_path.components.shift
if controller = lookup_controller(controller_path)
controller = controller.clone
variables << controller
if result = controller.process!(request, relative_path)
return result
end
end
end
request.env[Rack::PATH_INFO] = controller_path.to_s
return nil
end
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#load_controller_file(uri_path) ⇒ Object
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# File 'lib/utopia/controller.rb', line 79
def load_controller_file(uri_path)
base_path = File.join(@root, uri_path.components)
controller_path = File.join(base_path, CONTROLLER_RB)
if File.exist?(controller_path)
klass = Class.new(Base)
klass.const_set(:BASE_PATH, base_path.freeze)
klass.const_set(:URI_PATH, uri_path.dup.freeze)
klass.const_set(:CONTROLLER, self)
klass.class_eval(File.read(controller_path), controller_path)
klass.freeze
return klass.new
else
return nil
end
end
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#lookup_controller(path) ⇒ Object
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# File 'lib/utopia/controller.rb', line 69
def lookup_controller(path)
if @controller_cache
@controller_cache.fetch_or_store(path.to_s) do
load_controller_file(path)
end
else
load_controller_file(path)
end
end
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