Class: Opi::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/opi/context.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env, route, request, before, after) ⇒ Context

Returns a new instance of Context.



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# File 'lib/opi/context.rb', line 6

def initialize(env, route, request, before, after)
  @env = env
  @route = route
  @request = request
  @response = Response.new
  @before = before
  @after = after
  @error = nil
end

Instance Attribute Details

#after ⇒ Object (readonly)

Returns the value of attribute after.



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# File 'lib/opi/context.rb', line 4

def after
  @after
end

#before ⇒ Object (readonly)

Returns the value of attribute before.



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# File 'lib/opi/context.rb', line 4

def before
  @before
end

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/opi/context.rb', line 4

def env
  @env
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/opi/context.rb', line 4

def error
  @error
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/opi/context.rb', line 4

def request
  @request
end

#response ⇒ Object (readonly)

Returns the value of attribute response.



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# File 'lib/opi/context.rb', line 4

def response
  @response
end

#route ⇒ Object (readonly)

Returns the value of attribute route.



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# File 'lib/opi/context.rb', line 4

def route
  @route
end

Instance Method Details

#error!(message, status) ⇒ Object 



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# File 'lib/opi/context.rb', line 20

def error!(message, status)
  @error = {:message => message, :status => status}
end

#params ⇒ Object 



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# File 'lib/opi/context.rb', line 16

def params
  {}.tap {|h| @request.params.each{|x| h[x.first.to_sym] = x.last}}
end

#run ⇒ Object 



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# File 'lib/opi/context.rb', line 24

def run
  skip = route[:options][:skip] || []
  skip = [skip] unless skip.is_a? Array

  route_before = route[:options][:before] || []
  route_before = [route_before] unless route_before.is_a? Array

  (self.before + route_before).each do |before|
    next if skip.include? before

    self.send before # execute before filter

    if self.error
      response.body = ["{\"error\":\"#{error[:message]}\"}", "\n"]
      response.status = error[:status]
      return response
    end
  end

  # before filters must have succeeded
  action = instance_eval &route[:block]

  if action.respond_to? :success?
    if action.success?
      response.status = 200
      response.body = [action.result.to_json, "\n"]
    else
      response.status = 400
      response.body = [action.errors.symbolic.to_json, "\n"]
    end
  else
    response.status = 200
    response.body = [action.to_json, "\n"]
  end

  response
end