Class: Krack::Endpoint

Inherits:
Object
  • Object
show all
Defined in:
lib/krack/endpoint.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ Endpoint

Returns a new instance of Endpoint.



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# File 'lib/krack/endpoint.rb', line 5

def initialize(env)
  @env      = env
  @request  = Rack::Request.new(env)
  @response = Rack::Response.new([], 200, {"Content-Type" => "application/json"})
  @params   = env["krack.params"].merge(@request.params)
end

Instance Attribute Details

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/krack/endpoint.rb', line 3

def env
  @env
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/krack/endpoint.rb', line 3

def params
  @params
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/krack/endpoint.rb', line 3

def request
  @request
end

#response ⇒ Object (readonly)

Returns the value of attribute response.



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# File 'lib/krack/endpoint.rb', line 3

def response
  @response
end

Class Method Details

.call(env) ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 12

def self.call(env)
  new(env).call!
end

Instance Method Details

#call! ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 16

def call!
  data = begin
    respond_or_halt
  rescue
    on_error($!)
  end
  response.write(output(data))
  response.finish
end

#on_error(error) ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 31

def on_error(error)
  on_halt(500)
end

#on_halt(halt) ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 35

def on_halt(halt)
  e = Krack::Error.new(halt)
  response.status = e.status
  e.to_h
end

#output(data) ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 41

def output(data)
  MultiJson.dump(data, :time_format => :ruby)
end

#respond ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 45

def respond
  raise "#respond method is not defined in #{self.class}"
end

#respond_or_halt ⇒ Object 



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# File 'lib/krack/endpoint.rb', line 26

def respond_or_halt
  halt = catch(:halt) { return respond }
  on_halt(halt)
end