Class: DecisionAgent::Web::RackRequestHelpers::RequestContext

Inherits:
Object
  • Object
show all
Defined in:
lib/decision_agent/web/rack_request_helpers.rb

Overview

Context object that provides convenience methods in route handlers

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env, route_params = {}) ⇒ RequestContext

Returns a new instance of RequestContext.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 18

def initialize(env, route_params = {})
  @env = env
  @request = Rack::Request.new(env)
  @route_params = route_params
  @response_status = 200
  @response_headers = { "Content-Type" => "text/html" }
  @response_body = []
  @halted = false
  @halted_response = nil
  @params_hybrid = nil

  # Merge route params, query params, and body params
  # Convert all keys to symbols for consistency
  route_params_sym = route_params.transform_keys(&:to_sym)
  query_params_sym = query_params.transform_keys(&:to_sym)
  body_params_sym = body_params.transform_keys(&:to_sym)
  @params = route_params_sym.merge(query_params_sym).merge(body_params_sym)

  # Handle multipart form data (file uploads)
  content_type_header = @env["CONTENT_TYPE"] || ""
  return unless content_type_header.include?("multipart/form-data")

  # Rack::Request handles multipart automatically
  multipart_params = @request.params
  multipart_params_sym = multipart_params.transform_keys(&:to_sym)
  @params.merge!(multipart_params_sym)
end

Instance Attribute Details

#current_session ⇒ Object

Returns the value of attribute current_session.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 16

def current_session
  @current_session
end

#current_user ⇒ Object

Returns the value of attribute current_user.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 16

def current_user
  @current_user
end

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 15

def env
  @env
end

#halted_response ⇒ Object (readonly)

Returns the value of attribute halted_response.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 15

def halted_response
  @halted_response
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 15

def request
  @request
end

#response_body ⇒ Object (readonly)

Returns the value of attribute response_body.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 15

def response_body
  @response_body
end

#response_headers ⇒ Object (readonly)

Returns the value of attribute response_headers.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 15

def response_headers
  @response_headers
end

#response_status ⇒ Object (readonly)

Returns the value of attribute response_status.



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 15

def response_status
  @response_status
end

Instance Method Details

#body(str = nil) ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 79

def body(str = nil)
  if str
    @response_body = [str.to_s]
    str
  else
    @response_body
  end
end

#content_type(type) ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 71

def content_type(type)
  @response_headers["Content-Type"] = type
end

#cookies ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 133

def cookies
  @request.cookies
end

#halt(status_code, body = nil) ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 93

def halt(status_code, body = nil)
  @halted = true
  @response_status = status_code
  if body
    content_type "application/json" if @response_headers["Content-Type"] == "text/html"
    @halted_response = [status_code, @response_headers.dup, [body.to_s]]
  else
    @halted_response = [status_code, @response_headers.dup, []]
  end
end

#halted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 104

def halted?
  @halted
end

#headers ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 75

def headers
  @response_headers
end

#json(obj) ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 88

def json(obj)
  content_type "application/json"
  body(obj.to_json)
end

#params ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 46

def params
  # Return params with support for both symbol and string key access
  @params ||= begin
    hash = @params.dup
    # Add string-key versions for all symbol keys
    @params.each do |k, v|
      hash[k.to_s] = v if k.is_a?(Symbol)
    end
    # Add symbol-key versions for all string keys
    hash.to_a.each do |k, v|
      hash[k.to_sym] = v if k.is_a?(String) && !hash.key?(k.to_sym)
    end
    # Create accessor that checks both
    def hash.[](key)
      super(key.to_sym) || super(key.to_s) || super
    end
    hash
  end
end

#path_info ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 129

def path_info
  @request.path_info
end

#script_name ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 125

def script_name
  @request.script_name
end

#send_file(filepath) ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 108

def send_file(filepath)
  return unless File.exist?(filepath)

  content = File.read(filepath)
  ext = File.extname(filepath).downcase
  mime_types = {
    ".css" => "text/css",
    ".js" => "application/javascript",
    ".html" => "text/html",
    ".json" => "application/json",
    ".xml" => "application/xml",
    ".svg" => "image/svg+xml"
  }
  content_type(mime_types[ext] || "application/octet-stream")
  body(content)
end

#status(code) ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 66

def status(code)
  @response_status = code
  code
end

#to_rack_response ⇒ Object 



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# File 'lib/decision_agent/web/rack_request_helpers.rb', line 137

def to_rack_response
  if @halted && @halted_response
    @halted_response
  else
    # Ensure body is an array
    body_array = @response_body.is_a?(Array) ? @response_body : [@response_body.to_s]
    body_array = [""] if body_array.empty?
    [@response_status, @response_headers.dup, body_array]
  end
end