Class: Utopia::Middleware::Controller::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/utopia/middleware/controller.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(controller) ⇒ Base

Returns a new instance of Base.



36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/utopia/middleware/controller.rb', line 36

def initialize(controller)
	@controller = controller
	@actions = {}

	methods.each do |method_name|
		next unless method_name.match(/on_(.*)$/)

		action($1.split("_")) do |path, request|
			# LOG.debug("Controller: #{method_name}")
			self.send(method_name, path, request)
		end
	end
end

Class Method Details

.require_local(path) ⇒ Object 



136
137
138
 
# File 'lib/utopia/middleware/controller.rb', line 136

def self.require_local(path)
	require(File.join(const_get('BASE_PATH'), path))
end

Instance Method Details

#action(path, options = {}, &block) ⇒ Object 



50
51
52
53
54
55
56
57
58
 
# File 'lib/utopia/middleware/controller.rb', line 50

def action(path, options = {}, &block)
	cur = @actions

	path.reverse.each do |name|
		cur = cur[name] ||= {}
	end

	cur[:action] = Proc.new(&block)
end

#call(env) ⇒ Object 



85
86
87
 
# File 'lib/utopia/middleware/controller.rb', line 85

def call(env)
	@controller.app.call(env)
end

#lookup(path) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/utopia/middleware/controller.rb', line 60

def lookup(path)
	cur = @actions

	path.components.reverse.each do |name|
		cur = cur[name]

		return nil if cur == nil

		if action = cur[:action]
			return action
		end
	end
end

#passthrough(path, request) ⇒ Object

Given a request, call an associated action if one exists



75
76
77
78
79
80
81
82
83
 
# File 'lib/utopia/middleware/controller.rb', line 75

def passthrough(path, request)
	action = lookup(path)

	if action
		return respond_with(action.call(path, request))
	end

	return nil
end

#process!(path, request) ⇒ Object 



132
133
134
 
# File 'lib/utopia/middleware/controller.rb', line 132

def process!(path, request)
	passthrough(path, request)
end

#redirect(target, status = 302) ⇒ Object 



89
90
91
 
# File 'lib/utopia/middleware/controller.rb', line 89

def redirect(target, status = 302)
	{:redirect => target, :status => status}
end

#respond_with(*args) ⇒ Object 



93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
 
# File 'lib/utopia/middleware/controller.rb', line 93

def respond_with(*args)
	return args[0] if args[0] == nil || Array === args[0]

	status = 200
	options = nil

	if Numeric === args[0] || Symbol === args[0]
		status = args[0]
		options = args[1] || {}
	else
		options = args[0]
		status = options[:status] || status
	end

	status = Utopia::HTTP_STATUS_CODES[status] || status
	headers = options[:headers] || {}

	if options[:type]
		headers['Content-Type'] ||= options[:type]
	end

	if options[:redirect]
		headers["Location"] = options[:redirect]
		status = 302 if status < 300 || status >= 400
	end

	body = []
	if options[:body]
		body = options[:body]
	elsif options[:content]
		body = [options[:content]]
	elsif status >= 300
		body = [Utopia::HTTP_STATUS_DESCRIPTIONS[status] || 'Status #{status}']
	end

	# Utopia::LOG.debug([status, headers, body].inspect)
	return [status, headers, body]
end