Class: RazorRisk::Cassini::Applications::RouteVerbAdaptors::Trades::ItemPost

Inherits:
RESTFramework::VerbHandler
  • Object
show all
Includes:
Pantheios, RazorRisk::Core::Diagnostics::Logger, Razor::Connectivity::EntityConnectors::Exceptions, Razor::Connectivity::Razor3, Razor::Connectivity::Razor3::EntityConnectors, Xqsr3::Conversion
Defined in:
lib/razor_risk/cassini/applications/route_verb_adaptors/trades/item_post.rb

Overview

########################################################################## classes

Constant Summary collapse

HTTP_VERB = 
:post
HTTP_ACCEPTS = 
%w{ application/xml application/json text/xml }
ROUTE_VARIABLES = 
%w{ }
QUERY_PARAMETERS = 
%w{

    result-form
}

Instance Method Summary collapse

Instance Method Details

#handle(env, params, request, response) ⇒ Object 



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# File 'lib/razor_risk/cassini/applications/route_verb_adaptors/trades/item_post.rb', line 65

def handle env, params, request, response

    trace ParamNames[ :env, :params, :request, :response ], env, params, request, response

    rf  =   case rf = (params['result-form'] || '').to_s
            when '', 'id'
                :id
            when 'body'
                :body
            else
                log(:warning) { "unrecognised result-form '#{rf}'" }
                :id
            end

    # read request body (XML)
    #
    # NOTE: For this handler, the input is required to be XML, and it
    # is required that the document has a single top-level node
    # 'portfolios'

    request.body.rewind

    body_text   =   request.body.read
    rq_body     =   nil

    case request.content_type
    when 'application/xml', 'text/xml'

        rq_body =   ::Nokogiri.XML body_text
    else

        log :violation, "unexpected content-type '#{request.content_type}'"
    end

    # get credentials

    cr  =   get_required_credentials

    # get requester

    rr  =   settings.razor_requester

    # get connector

    ec  =   TradesConnector.new(rr, credentials: cr)

    # issue request

    begin

        qr  =   ec.insert_trade rq_body, indicate_result_by: :qualified_result, result_form: rf
    rescue InvalidRequestContentException => x

        log :failure, "exception (#{x.class}): #{x}"

        headers =   {

            'Content-Type'  =>  'text/plain',
        }

        halt 422, headers, x.message
    rescue RazorRequester::InvalidCredentialsException => x

        log :failure, "exception (#{x.class}): #{x}"

        headers =   {

            'Content-Type'  =>  'text/plain',
        }

        halt 401, headers, 'Invalid credentials'
    rescue RazorRequester::Exception => x

        log :failure, "exception (#{x.class}): #{x}"

        headers =   {

            'Content-Type'  =>  'text/plain',
        }

        halt 500, headers, x.message
    end

    log :debug1, "qr(#{qr.class})='#{qr}'"

    unless qr.succeeded?

        if qr.result.nil?

            if r = qr.failure_qualifier.reasons.lookup?('RZ0010')

                log :debug1, 'failed to insert trade: duplicate record'

                halt 422, {}, "#{r.message}: #{r.details}"
            elsif r = qr.failure_qualifier.reasons.lookup?('RZ0014')

                log :debug1, 'failed to insert trade: invalid data'

                halt 422, {}, "#{r.message}: #{r.details}"
            elsif r = qr.failure_qualifier.reasons.lookup?('RZ0022')

                log :debug1, 'failed to insert trade: invalid trade'

                halt 422, {}, "#{r.message}: #{r.details}"
            elsif r = qr.failure_qualifier.reasons.lookup?('RZ0027')

                log :debug1, 'failed to insert trade: invalid netting agreement'

                halt 422, {}, "#{r.message}: #{r.details}"
            elsif r = qr.failure_qualifier.reasons.lookup?('RZ0028')

                log :debug1, 'failed to insert trade: invalid What-if batch number'

                halt 422, {}, "#{r.message}: #{r.details}"
            else

                log :warning, 'failed to insert trade'

                halt 500, {}, qr.failure_qualifier.reasons.join("\n")
            end
        else

            log :warning, 'trade inserted with mixed success'

            body    =   ::Nokogiri.XML(qr.result)

            builder =   ::Nokogiri::XML::Builder.new({}, body.root) do |xml|

                xml.reasons do

                    qr.failure_qualifier.reasons.each do |reason|

                        xml.reason do

                            details =   reason.details
                            details &&= details.split("\n").map { |detail| detail.strip }.reject { |detail| detail.empty? }.join("\n")

                            xml.code reason.code if reason.code
                            xml.message reason.message if reason.message
                            xml.details details if details
                        end
                    end
                end
            end

            halt 422, { 'Content-Type' => 'application/xml' }, body.to_xml
        end
    end

    status 201

    r   =   qr.result.to_s

    if rf == :id

        r
    else

        if false
        elsif request.accept?('application/xml')

            log :debug1, 'application/xml'

            content_type 'application/xml'

            r
        elsif request.accept?('application/json')

            log :debug1, 'application/json'

            content_type 'application/json'

            resp_hash   =   Hash.from_xml r

            resp_json   =   resp_hash

            JSON.generate resp_json
        elsif request.accept?('text/xml')

            log :debug1, 'text/xml'

            content_type 'text/xml'

            r
        else

            log :violation, "unexpected failure to match given 'Accept' header '#{request.accept}'"

            status 500
        end
    end
end