Class: DynamicsCRM::Metadata::FilterExpression

Inherits:
Object
  • Object
show all
Defined in:
lib/dynamics_crm/metadata/filter_expression.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(operator, conditions = []) ⇒ FilterExpression

Returns a new instance of FilterExpression.



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# File 'lib/dynamics_crm/metadata/filter_expression.rb', line 7

def initialize(operator, conditions=[])
  @operator   = operator || 'And'
  @conditions = conditions
end

Instance Attribute Details

#conditions ⇒ Object

Returns the value of attribute conditions.



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# File 'lib/dynamics_crm/metadata/filter_expression.rb', line 5

def conditions
  @conditions
end

#operator ⇒ Object

Returns the value of attribute operator.



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# File 'lib/dynamics_crm/metadata/filter_expression.rb', line 5

def operator
  @operator
end

Instance Method Details

#add_condition(condition) ⇒ Object 



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# File 'lib/dynamics_crm/metadata/filter_expression.rb', line 12

def add_condition(condition)
  @conditions << condition
end

#get_type(value) ⇒ Object 



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# File 'lib/dynamics_crm/metadata/filter_expression.rb', line 16

def get_type(value)
    type = value.class.to_s.downcase
    type = "int" if type == "fixnum"
    type = "boolean" if ["trueclass", "falseclass"].include?(type)
    type
end

#to_xml(options = {}) ⇒ Object 



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# File 'lib/dynamics_crm/metadata/filter_expression.rb', line 23

def to_xml(options={})
  ns = options[:namespace] ? options[:namespace] : "a"

  expressions = ""
  @conditions.each do |condition|
    attr_name, op, value = condition

    expressions << %Q{
      <#{ns}:MetadataConditionExpression>
        <#{ns}:PropertyName>#{attr_name}</#{ns}:PropertyName>
        <#{ns}:ConditionOperator>#{op}</#{ns}:ConditionOperator>
        <#{ns}:Value i:type='e:#{get_type(value)}' xmlns:e='http://www.w3.org/2001/XMLSchema'>#{value}</#{ns}:Value>
     </#{ns}:MetadataConditionExpression>}
  end

  %Q{<#{ns}:Criteria>
      <#{ns}:Conditions>
        #{expressions}
      </#{ns}:Conditions>
      <#{ns}:FilterOperator>#{@operator}</#{ns}:FilterOperator>
  </#{ns}:Criteria>}
end