Class: DynamicsCRM::XML::Attributes

Inherits:
Hash
  • Object
show all
Defined in:
lib/dynamics_crm/xml/attributes.rb

Direct Known Subclasses

FormattedValues, Parameters

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attrs) ⇒ Attributes

Returns a new instance of Attributes.



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# File 'lib/dynamics_crm/xml/attributes.rb', line 6

def initialize(attrs)
  super
  self.merge!(attrs)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, &block) ⇒ Object

Allows method-like access to the hash (OpenStruct)



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# File 'lib/dynamics_crm/xml/attributes.rb', line 183

def method_missing(method_name, *args, &block)
  # Return local hash entry if any.
  return self.key?(method_name.to_s) ? self[method_name.to_s] : nil
end

Class Method Details

.from_xml(xml_document) ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 171

def self.from_xml(xml_document)
  hash = MessageParser.parse_key_value_pairs(xml_document)
  if xml_document.name == "FormattedValues"
    return FormattedValues.new(hash)
  elsif xml_document.name == "Parameters"
    return Parameters.new(hash)
  else
    return Attributes.new(hash)
  end
end

Instance Method Details

#build_xml(key, value, type) ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 92

def build_xml(key, value, type)

  xml = %Q{
    <a:KeyValuePairOfstringanyType>
      <c:key>#{key}</c:key>
    }

  # If we have an object that can convert itself, use it.
  if (value.respond_to?(:to_xml) && value.class.to_s.include?("DynamicsCRM"))
    xml << render_object_xml(type, value)
  else
    xml << render_value_xml(type, value)
  end

  xml << "\n</a:KeyValuePairOfstringanyType>"

  xml
end

#class_name ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 167

def class_name
  self.class.to_s.split("::").last
end

#get_type(key, value) ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 11

def get_type(key, value)
  type = "string"
  case value
    when ::Fixnum
      type = "int"
    when ::BigDecimal, ::Float
      type = "decimal"
    when ::TrueClass, ::FalseClass
      type = "boolean"
    when ::Time, ::DateTime
      type = "dateTime"
    when ::Hash, EntityReference
      type = "EntityReference"
    when Entity
      type = "Entity"
    when EntityCollection
      type = "EntityCollection"
    when Query
      type = "QueryExpression"
    when FetchExpression
      type = "FetchExpression"
    when Money
      type = "Money"
    when DynamicsCRM::Metadata::FilterExpression
      type = "FilterExpression"
    when DynamicsCRM::Metadata::PropertiesExpression
      type = "PropertiesExpression"
    when DynamicsCRM::Metadata::AttributeQueryExpression
      type = "AttributeQueryExpression"
    when DynamicsCRM::Metadata::EntityQueryExpression
      type = "EntityQueryExpression"
    else
      if key.to_s == "EntityFilters"
        type = "EntityFilters"
      elsif key.to_s == "RollupType"
        type = "RollupType"
      end
  end

  if type == "string" && value =~ /\w+{8}-\w+{4}-\w+{4}-\w+{4}-\w+{12}/
    type = "guid"
  end

  type
end

#render_object_xml(type, value) ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 156

def render_object_xml(type, value)
    case type
    when "EntityQueryExpression"
      xml = %Q{<c:value i:type="d:#{type}" xmlns:d="http://schemas.microsoft.com/xrm/2011/Metadata/Query">} << value.to_xml({namespace: 'd'}) << "</c:value>"
    else
      xml = %Q{<c:value i:type="a:#{type}">} << value.to_xml({exclude_root: true, namespace: 'a'}) << "</c:value>"
    end

    return xml
end

#render_value_xml(type, value) ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 111

def render_value_xml(type, value)
  xml = ""
  case type
  when "EntityReference"
    xml << %Q{
      <c:value i:type="a:EntityReference">
          <a:Id>#{value[:id]}</a:Id>
          <a:LogicalName>#{value[:logical_name]}</a:LogicalName>
          <a:Name #{value[:name] ? '' : 'i:nil="true"'}>#{value[:name]}</a:Name>
      </c:value>
    }
  when "OptionSetValue", "Money"
    xml << %Q{
        <c:value i:type="a:#{type}">
          <a:Value>#{value}</a:Value>
        </c:value>
    }
  else
    s_namespace = "http://www.w3.org/2001/XMLSchema"
    if ["EntityFilters"].include?(type)
      s_namespace = "http://schemas.microsoft.com/xrm/2011/Metadata"
    end

    if type == "guid"
      xml << %Q{
        <c:value xmlns:d="http://schemas.microsoft.com/2003/10/Serialization/" i:type="d:guid">#{value}</c:value>
      }
    elsif type == "RollupType"
      xml << %Q{
        <c:value i:type="a:RollupType">#{value}</c:value>
      }
    elsif type == "dateTime"
      xml << %Q{
        <c:value i:type="s:#{type}" xmlns:s="http://www.w3.org/2001/XMLSchema">#{value.utc.strftime('%Y-%m-%dT%H:%M:%SZ')}</c:value>
      }
    else
      xml << %Q{
        <c:value i:type="s:#{type}" xmlns:s="#{s_namespace}">#{value}</c:value>
      }
    end
  end

  xml
end

#respond_to_missing?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamics_crm/xml/attributes.rb', line 188

def respond_to_missing?(method_name, include_private = false)
  self.has_key?(method_name.to_s) || super
end

#to_hash ⇒ Object

Removes Attributes class wrapper.



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# File 'lib/dynamics_crm/xml/attributes.rb', line 58

def to_hash
  raw_hash = {}
  self.each do |key, value|
    raw_hash[key] = value
  end
  raw_hash
end

#to_s ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 88

def to_s
  self.to_hash
end

#to_xml ⇒ Object 



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# File 'lib/dynamics_crm/xml/attributes.rb', line 66

def to_xml
  xml = %Q{<a:#{self.class_name} xmlns:c="http://schemas.datacontract.org/2004/07/System.Collections.Generic">}

  self.each do |key,value|

    # Temporary hack to handle types I cannot infer (OptionSetValue or Money).
    if value.is_a?(Hash) && !value[:type].nil?
      type = value[:type]
      value = value[:value]
    else
      type = get_type(key, value)
    end

    # escape strings to avoid xml parsing errors
    value = CGI.escapeHTML(value) if value.is_a?(String)

    xml << build_xml(key, value, type)
  end

  xml << %Q{\n</a:#{self.class_name}>}
end