Class: DynamicFieldsets::Dependency

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/dynamic_fieldsets/dependency.rb

Overview

Logical atom for dealing with dependency clauses

Author:

  • John “hex” Carter

Constant Summary collapse

RELATIONSHIP_LIST = 
["equals","not equals","includes","not includes","blank","not blank"]

Instance Method Summary collapse

Instance Method Details

#evaluate(input_hash) ⇒ Object

Looks through the input_hash for the fieldset_child that matches the one belonging to this dependency and compares the values through process_relationship



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# File 'app/models/dynamic_fieldsets/dependency.rb', line 60

def evaluate(input_hash)
  input_value = input_hash[self.fieldset_child_id]
  unless input_value.nil?
    return self.process_relationship(input_value)
  else
    return false
  end
end

#process_relationship(input_value) ⇒ Object

Returns true or false based on whether the value pushed in matches the logical relationship between it and the dependency’s value



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# File 'app/models/dynamic_fieldsets/dependency.rb', line 36

def process_relationship(input_value)
  case self.relationship
  when "equals" 
    return self.value == input_value
  when "not equals"
    return self.value != input_value
  when "includes"
    return input_value.include?(self.value)
  when "not includes"
    return !input_value.include?(self.value)
  when "blank"
    return input_value == ""
  when "not blank"
    return input_value != ""
  else
    return false
  end
end

#relationship_list ⇒ Object

Returns a full list of the options for relationship_list



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# File 'app/models/dynamic_fieldsets/dependency.rb', line 27

def relationship_list
  return RELATIONSHIP_LIST
end

#to_hash ⇒ Object 



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# File 'app/models/dynamic_fieldsets/dependency.rb', line 69

def to_hash
  return { "id" => self.id, "fieldset_child_id" => self.fieldset_child_id, "value" => self.value, "relationship" => self.relationship, "dependency_clause_id" => self.dependency_clause_id }
end