student.rb in commonlit-clever-ruby-2.1.6.beta2

- old
+ new

@@ -1,23 +1,20 @@
 =begin
-#Data API
+#Clever API
 
-#Serves the Clever Data API
+#The Clever API
 
 OpenAPI spec version: 2.1.0
 
 Generated by: https://github.com/swagger-api/swagger-codegen.git
-Swagger Codegen version: 2.4.37
-
+Swagger Codegen version: 3.0.51
 =end
 
 require 'date'
 
 module Clever
   class Student
-    attr_accessor :id
-
     attr_accessor :created
 
     attr_accessor :credentials
 
     attr_accessor :district
@@ -28,20 +25,24 @@
 
     attr_accessor :email
 
     attr_accessor :enrollments
 
+    attr_accessor :ext
+
     attr_accessor :gender
 
-    attr_accessor :graduation_year
-
     attr_accessor :grade
 
+    attr_accessor :graduation_year
+
     attr_accessor :hispanic_ethnicity
 
     attr_accessor :home_language
 
+    attr_accessor :id
+
     attr_accessor :iep_status
 
     attr_accessor :last_modified
 
     attr_accessor :location
@@ -62,12 +63,10 @@
 
     attr_accessor :unweighted_gpa
 
     attr_accessor :weighted_gpa
 
-    attr_accessor :ext
-
     class EnumAttributeValidator
       attr_reader :datatype
       attr_reader :allowable_values
 
       def initialize(datatype, allowable_values)
@@ -89,23 +88,24 @@
     end
 
     # Attribute mapping from ruby-style variable name to JSON key.
     def self.attribute_map
       {
-        :'id' => :'id',
         :'created' => :'created',
         :'credentials' => :'credentials',
         :'district' => :'district',
         :'dob' => :'dob',
         :'ell_status' => :'ell_status',
         :'email' => :'email',
         :'enrollments' => :'enrollments',
+        :'ext' => :'ext',
         :'gender' => :'gender',
-        :'graduation_year' => :'graduation_year',
         :'grade' => :'grade',
+        :'graduation_year' => :'graduation_year',
         :'hispanic_ethnicity' => :'hispanic_ethnicity',
         :'home_language' => :'home_language',
+        :'id' => :'id',
         :'iep_status' => :'iep_status',
         :'last_modified' => :'last_modified',
         :'location' => :'location',
         :'name' => :'name',
         :'race' => :'race',
@@ -113,282 +113,294 @@
         :'schools' => :'schools',
         :'sis_id' => :'sis_id',
         :'state_id' => :'state_id',
         :'student_number' => :'student_number',
         :'unweighted_gpa' => :'unweighted_gpa',
-        :'weighted_gpa' => :'weighted_gpa',
-        :'ext' => :'ext'
+        :'weighted_gpa' => :'weighted_gpa'
       }
     end
 
     # Attribute type mapping.
-    def self.swagger_types
+    def self.openapi_types
       {
-        :'id' => :'String',
-        :'created' => :'String',
-        :'credentials' => :'Credentials',
-        :'district' => :'String',
-        :'dob' => :'String',
-        :'ell_status' => :'String',
-        :'email' => :'String',
-        :'enrollments' => :'Array<SchoolEnrollment>',
-        :'gender' => :'String',
-        :'graduation_year' => :'String',
-        :'grade' => :'String',
-        :'hispanic_ethnicity' => :'String',
-        :'home_language' => :'String',
-        :'iep_status' => :'String',
-        :'last_modified' => :'String',
-        :'location' => :'Location',
-        :'name' => :'Name',
-        :'race' => :'String',
-        :'school' => :'String',
-        :'schools' => :'Array<String>',
-        :'sis_id' => :'String',
-        :'state_id' => :'String',
-        :'student_number' => :'String',
-        :'unweighted_gpa' => :'String',
-        :'weighted_gpa' => :'String',
-        :'ext' => :'Object'
+        :'created' => :'Object',
+        :'credentials' => :'Object',
+        :'district' => :'Object',
+        :'dob' => :'Object',
+        :'ell_status' => :'Object',
+        :'email' => :'Object',
+        :'enrollments' => :'Object',
+        :'ext' => :'Object',
+        :'gender' => :'Object',
+        :'grade' => :'Object',
+        :'graduation_year' => :'Object',
+        :'hispanic_ethnicity' => :'Object',
+        :'home_language' => :'Object',
+        :'id' => :'Object',
+        :'iep_status' => :'Object',
+        :'last_modified' => :'Object',
+        :'location' => :'Object',
+        :'name' => :'Object',
+        :'race' => :'Object',
+        :'school' => :'Object',
+        :'schools' => :'Object',
+        :'sis_id' => :'Object',
+        :'state_id' => :'Object',
+        :'student_number' => :'Object',
+        :'unweighted_gpa' => :'Object',
+        :'weighted_gpa' => :'Object'
       }
     end
 
+    # List of attributes with nullable: true
+    def self.openapi_nullable
+      Set.new([
+        :'dob',
+        :'ell_status',
+        :'email',
+        :'gender',
+        :'grade',
+        :'graduation_year',
+        :'hispanic_ethnicity',
+        :'home_language',
+        :'iep_status',
+        :'race',
+        :'state_id',
+        :'student_number',
+        :'unweighted_gpa',
+        :'weighted_gpa'
+      ])
+    end
+  
     # Initializes the object
     # @param [Hash] attributes Model attributes in the form of hash
     def initialize(attributes = {})
-      return unless attributes.is_a?(Hash)
-
-      # convert string to symbol for hash key
-      attributes = attributes.each_with_object({}) { |(k, v), h| h[k.to_sym] = v }
-
-      if attributes.has_key?(:'id')
-        self.id = attributes[:'id']
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `Clever::Student` initialize method"
       end
 
-      if attributes.has_key?(:'created')
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          fail ArgumentError, "`#{k}` is not a valid attribute in `Clever::Student`. Please check the name to make sure it's valid. List of attributes: " + self.class.attribute_map.keys.inspect
+        end
+        h[k.to_sym] = v
+      }
+
+      if attributes.key?(:'created')
         self.created = attributes[:'created']
       end
 
-      if attributes.has_key?(:'credentials')
+      if attributes.key?(:'credentials')
         self.credentials = attributes[:'credentials']
       end
 
-      if attributes.has_key?(:'district')
+      if attributes.key?(:'district')
         self.district = attributes[:'district']
       end
 
-      if attributes.has_key?(:'dob')
+      if attributes.key?(:'dob')
         self.dob = attributes[:'dob']
       end
 
-      if attributes.has_key?(:'ell_status')
+      if attributes.key?(:'ell_status')
         self.ell_status = attributes[:'ell_status']
       end
 
-      if attributes.has_key?(:'email')
+      if attributes.key?(:'email')
         self.email = attributes[:'email']
       end
 
-      if attributes.has_key?(:'enrollments')
+      if attributes.key?(:'enrollments')
         if (value = attributes[:'enrollments']).is_a?(Array)
           self.enrollments = value
         end
       end
 
-      if attributes.has_key?(:'gender')
-        self.gender = attributes[:'gender']
+      if attributes.key?(:'ext')
+        self.ext = attributes[:'ext']
       end
 
-      if attributes.has_key?(:'graduation_year')
-        self.graduation_year = attributes[:'graduation_year']
+      if attributes.key?(:'gender')
+        self.gender = attributes[:'gender']
       end
 
-      if attributes.has_key?(:'grade')
+      if attributes.key?(:'grade')
         self.grade = attributes[:'grade']
       end
 
-      if attributes.has_key?(:'hispanic_ethnicity')
+      if attributes.key?(:'graduation_year')
+        self.graduation_year = attributes[:'graduation_year']
+      end
+
+      if attributes.key?(:'hispanic_ethnicity')
         self.hispanic_ethnicity = attributes[:'hispanic_ethnicity']
       end
 
-      if attributes.has_key?(:'home_language')
+      if attributes.key?(:'home_language')
         self.home_language = attributes[:'home_language']
       end
 
-      if attributes.has_key?(:'iep_status')
+      if attributes.key?(:'id')
+        self.id = attributes[:'id']
+      end
+
+      if attributes.key?(:'iep_status')
         self.iep_status = attributes[:'iep_status']
       end
 
-      if attributes.has_key?(:'last_modified')
+      if attributes.key?(:'last_modified')
         self.last_modified = attributes[:'last_modified']
       end
 
-      if attributes.has_key?(:'location')
+      if attributes.key?(:'location')
         self.location = attributes[:'location']
       end
 
-      if attributes.has_key?(:'name')
+      if attributes.key?(:'name')
         self.name = attributes[:'name']
       end
 
-      if attributes.has_key?(:'race')
+      if attributes.key?(:'race')
         self.race = attributes[:'race']
       end
 
-      if attributes.has_key?(:'school')
+      if attributes.key?(:'school')
         self.school = attributes[:'school']
       end
 
-      if attributes.has_key?(:'schools')
+      if attributes.key?(:'schools')
         if (value = attributes[:'schools']).is_a?(Array)
           self.schools = value
         end
       end
 
-      if attributes.has_key?(:'sis_id')
+      if attributes.key?(:'sis_id')
         self.sis_id = attributes[:'sis_id']
       end
 
-      if attributes.has_key?(:'state_id')
+      if attributes.key?(:'state_id')
         self.state_id = attributes[:'state_id']
       end
 
-      if attributes.has_key?(:'student_number')
+      if attributes.key?(:'student_number')
         self.student_number = attributes[:'student_number']
       end
 
-      if attributes.has_key?(:'unweighted_gpa')
+      if attributes.key?(:'unweighted_gpa')
         self.unweighted_gpa = attributes[:'unweighted_gpa']
       end
 
-      if attributes.has_key?(:'weighted_gpa')
+      if attributes.key?(:'weighted_gpa')
         self.weighted_gpa = attributes[:'weighted_gpa']
       end
-
-      if attributes.has_key?(:'ext')
-        self.ext = attributes[:'ext']
-      end
     end
 
     # Show invalid properties with the reasons. Usually used together with valid?
     # @return Array for valid properties with the reasons
     def list_invalid_properties
       invalid_properties = Array.new
-      if !@dob.nil? && @dob !~ Regexp.new(/(?:[0-9]{1,2})\/([0-9]{1,2})\/([0-9]{4})/)
-        invalid_properties.push('invalid value for "dob", must conform to the pattern /(?:[0-9]{1,2})\/([0-9]{1,2})\/([0-9]{4})/.')
-      end
-
       invalid_properties
     end
 
     # Check to see if the all the properties in the model are valid
     # @return true if the model is valid
     def valid?
-      return false if !@dob.nil? && @dob !~ Regexp.new(/(?:[0-9]{1,2})\/([0-9]{1,2})\/([0-9]{4})/)
-      ell_status_validator = EnumAttributeValidator.new('String', ['Y', 'N', ''])
+      ell_status_validator = EnumAttributeValidator.new('Object', ['Y', 'N', ''])
       return false unless ell_status_validator.valid?(@ell_status)
-      gender_validator = EnumAttributeValidator.new('String', ['M', 'F', 'X', ''])
+      gender_validator = EnumAttributeValidator.new('Object', ['M', 'F', 'X', ''])
       return false unless gender_validator.valid?(@gender)
-      grade_validator = EnumAttributeValidator.new('String', ['InfantToddler', 'Preschool', 'PreKindergarten', 'TransitionalKindergarten', 'Kindergarten', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', 'PostGraduate', 'Ungraded', 'Other', ''])
+      grade_validator = EnumAttributeValidator.new('Object', ['InfantToddler', 'Preschool', 'PreKindergarten', 'TransitionalKindergarten', 'Kindergarten', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', 'PostGraduate', 'Ungraded', 'Other', ''])
       return false unless grade_validator.valid?(@grade)
-      hispanic_ethnicity_validator = EnumAttributeValidator.new('String', ['Y', 'N', ''])
+      hispanic_ethnicity_validator = EnumAttributeValidator.new('Object', ['Y', 'N', ''])
       return false unless hispanic_ethnicity_validator.valid?(@hispanic_ethnicity)
-      home_language_validator = EnumAttributeValidator.new('String', ['English', 'Albanian', 'Amharic', 'Arabic', 'Bengali', 'Bosnian', 'Burmese', 'Cantonese', 'Chinese', 'Dutch', 'Farsi', 'French', 'German', 'Hebrew', 'Hindi', 'Hmong', 'Ilocano', 'Japanese', 'Javanese', 'Karen', 'Khmer', 'Korean', 'Laotian', 'Latvian', 'Malay', 'Mandarin', 'Nepali', 'Oromo', 'Polish', 'Portuguese', 'Punjabi', 'Romanian', 'Russian', 'Samoan', 'Serbian', 'Somali', 'Spanish', 'Swahili', 'Tagalog', 'Tamil', 'Telugu', 'Thai', 'Tigrinya', 'Turkish', 'Ukrainian', 'Urdu', 'Vietnamese', ''])
+      home_language_validator = EnumAttributeValidator.new('Object', ['English', 'Albanian', 'Amharic', 'Arabic', 'Bengali', 'Bosnian', 'Burmese', 'Cantonese', 'Chinese', 'Dutch', 'Farsi', 'French', 'German', 'Hebrew', 'Hindi', 'Hmong', 'Ilocano', 'Japanese', 'Javanese', 'Karen', 'Khmer', 'Korean', 'Laotian', 'Latvian', 'Malay', 'Mandarin', 'Nepali', 'Oromo', 'Polish', 'Portuguese', 'Punjabi', 'Romanian', 'Russian', 'Samoan', 'Serbian', 'Somali', 'Spanish', 'Swahili', 'Tagalog', 'Tamil', 'Telugu', 'Thai', 'Tigrinya', 'Turkish', 'Ukrainian', 'Urdu', 'Vietnamese', ''])
       return false unless home_language_validator.valid?(@home_language)
-      race_validator = EnumAttributeValidator.new('String', ['Caucasian', 'Asian', 'Black or African American', 'American Indian', 'Hawaiian or Other Pacific Islander', 'Two or More Races', 'Unknown', ''])
+      race_validator = EnumAttributeValidator.new('Object', ['Caucasian', 'Asian', 'Black or African American', 'American Indian', 'Hawaiian or Other Pacific Islander', 'Two or More Races', 'Unknown', ''])
       return false unless race_validator.valid?(@race)
       true
     end
 
-    # Custom attribute writer method with validation
-    # @param [Object] dob Value to be assigned
-    def dob=(dob)
-      if !dob.nil? && dob !~ Regexp.new(/(?:[0-9]{1,2})\/([0-9]{1,2})\/([0-9]{4})/)
-        fail ArgumentError, 'invalid value for "dob", must conform to the pattern /(?:[0-9]{1,2})\/([0-9]{1,2})\/([0-9]{4})/.'
-      end
-
-      @dob = dob
-    end
-
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] ell_status Object to be assigned
     def ell_status=(ell_status)
-      validator = EnumAttributeValidator.new('String', ['Y', 'N', ''])
+      validator = EnumAttributeValidator.new('Object', ['Y', 'N', ''])
       unless validator.valid?(ell_status)
-        fail ArgumentError, 'invalid value for "ell_status", must be one of #{validator.allowable_values}.'
+        fail ArgumentError, "invalid value for \"ell_status\", must be one of #{validator.allowable_values}."
       end
       @ell_status = ell_status
     end
 
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] gender Object to be assigned
     def gender=(gender)
-      validator = EnumAttributeValidator.new('String', ['M', 'F', 'X', ''])
+      validator = EnumAttributeValidator.new('Object', ['M', 'F', 'X', ''])
       unless validator.valid?(gender)
-        fail ArgumentError, 'invalid value for "gender", must be one of #{validator.allowable_values}.'
+        fail ArgumentError, "invalid value for \"gender\", must be one of #{validator.allowable_values}."
       end
       @gender = gender
     end
 
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] grade Object to be assigned
     def grade=(grade)
-      validator = EnumAttributeValidator.new('String', ['InfantToddler', 'Preschool', 'PreKindergarten', 'TransitionalKindergarten', 'Kindergarten', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', 'PostGraduate', 'Ungraded', 'Other', ''])
+      validator = EnumAttributeValidator.new('Object', ['InfantToddler', 'Preschool', 'PreKindergarten', 'TransitionalKindergarten', 'Kindergarten', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', 'PostGraduate', 'Ungraded', 'Other', ''])
       unless validator.valid?(grade)
-        fail ArgumentError, 'invalid value for "grade", must be one of #{validator.allowable_values}.'
+        fail ArgumentError, "invalid value for \"grade\", must be one of #{validator.allowable_values}."
       end
       @grade = grade
     end
 
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] hispanic_ethnicity Object to be assigned
     def hispanic_ethnicity=(hispanic_ethnicity)
-      validator = EnumAttributeValidator.new('String', ['Y', 'N', ''])
+      validator = EnumAttributeValidator.new('Object', ['Y', 'N', ''])
       unless validator.valid?(hispanic_ethnicity)
-        fail ArgumentError, 'invalid value for "hispanic_ethnicity", must be one of #{validator.allowable_values}.'
+        fail ArgumentError, "invalid value for \"hispanic_ethnicity\", must be one of #{validator.allowable_values}."
       end
       @hispanic_ethnicity = hispanic_ethnicity
     end
 
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] home_language Object to be assigned
     def home_language=(home_language)
-      validator = EnumAttributeValidator.new('String', ['English', 'Albanian', 'Amharic', 'Arabic', 'Bengali', 'Bosnian', 'Burmese', 'Cantonese', 'Chinese', 'Dutch', 'Farsi', 'French', 'German', 'Hebrew', 'Hindi', 'Hmong', 'Ilocano', 'Japanese', 'Javanese', 'Karen', 'Khmer', 'Korean', 'Laotian', 'Latvian', 'Malay', 'Mandarin', 'Nepali', 'Oromo', 'Polish', 'Portuguese', 'Punjabi', 'Romanian', 'Russian', 'Samoan', 'Serbian', 'Somali', 'Spanish', 'Swahili', 'Tagalog', 'Tamil', 'Telugu', 'Thai', 'Tigrinya', 'Turkish', 'Ukrainian', 'Urdu', 'Vietnamese', ''])
+      validator = EnumAttributeValidator.new('Object', ['English', 'Albanian', 'Amharic', 'Arabic', 'Bengali', 'Bosnian', 'Burmese', 'Cantonese', 'Chinese', 'Dutch', 'Farsi', 'French', 'German', 'Hebrew', 'Hindi', 'Hmong', 'Ilocano', 'Japanese', 'Javanese', 'Karen', 'Khmer', 'Korean', 'Laotian', 'Latvian', 'Malay', 'Mandarin', 'Nepali', 'Oromo', 'Polish', 'Portuguese', 'Punjabi', 'Romanian', 'Russian', 'Samoan', 'Serbian', 'Somali', 'Spanish', 'Swahili', 'Tagalog', 'Tamil', 'Telugu', 'Thai', 'Tigrinya', 'Turkish', 'Ukrainian', 'Urdu', 'Vietnamese', ''])
       unless validator.valid?(home_language)
-        fail ArgumentError, 'invalid value for "home_language", must be one of #{validator.allowable_values}.'
+        fail ArgumentError, "invalid value for \"home_language\", must be one of #{validator.allowable_values}."
       end
       @home_language = home_language
     end
 
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] race Object to be assigned
     def race=(race)
-      validator = EnumAttributeValidator.new('String', ['Caucasian', 'Asian', 'Black or African American', 'American Indian', 'Hawaiian or Other Pacific Islander', 'Two or More Races', 'Unknown', ''])
+      validator = EnumAttributeValidator.new('Object', ['Caucasian', 'Asian', 'Black or African American', 'American Indian', 'Hawaiian or Other Pacific Islander', 'Two or More Races', 'Unknown', ''])
       unless validator.valid?(race)
-        fail ArgumentError, 'invalid value for "race", must be one of #{validator.allowable_values}.'
+        fail ArgumentError, "invalid value for \"race\", must be one of #{validator.allowable_values}."
       end
       @race = race
     end
 
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)
       return true if self.equal?(o)
       self.class == o.class &&
-          id == o.id &&
           created == o.created &&
           credentials == o.credentials &&
           district == o.district &&
           dob == o.dob &&
           ell_status == o.ell_status &&
           email == o.email &&
           enrollments == o.enrollments &&
+          ext == o.ext &&
           gender == o.gender &&
-          graduation_year == o.graduation_year &&
           grade == o.grade &&
+          graduation_year == o.graduation_year &&
           hispanic_ethnicity == o.hispanic_ethnicity &&
           home_language == o.home_language &&
+          id == o.id &&
           iep_status == o.iep_status &&
           last_modified == o.last_modified &&
           location == o.location &&
           name == o.name &&
           race == o.race &&
@@ -396,41 +408,49 @@
           schools == o.schools &&
           sis_id == o.sis_id &&
           state_id == o.state_id &&
           student_number == o.student_number &&
           unweighted_gpa == o.unweighted_gpa &&
-          weighted_gpa == o.weighted_gpa &&
-          ext == o.ext
+          weighted_gpa == o.weighted_gpa
     end
 
     # @see the `==` method
     # @param [Object] Object to be compared
     def eql?(o)
       self == o
     end
 
     # Calculates hash code according to all attributes.
-    # @return [Fixnum] Hash code
+    # @return [Integer] Hash code
     def hash
-      [id, created, credentials, district, dob, ell_status, email, enrollments, gender, graduation_year, grade, hispanic_ethnicity, home_language, iep_status, last_modified, location, name, race, school, schools, sis_id, state_id, student_number, unweighted_gpa, weighted_gpa, ext].hash
+      [created, credentials, district, dob, ell_status, email, enrollments, ext, gender, grade, graduation_year, hispanic_ethnicity, home_language, id, iep_status, last_modified, location, name, race, school, schools, sis_id, state_id, student_number, unweighted_gpa, weighted_gpa].hash
     end
 
     # Builds the object from hash
     # @param [Hash] attributes Model attributes in the form of hash
     # @return [Object] Returns the model itself
+    def self.build_from_hash(attributes)
+      new.build_from_hash(attributes)
+    end
+
+    # Builds the object from hash
+    # @param [Hash] attributes Model attributes in the form of hash
+    # @return [Object] Returns the model itself
     def build_from_hash(attributes)
       return nil unless attributes.is_a?(Hash)
-      self.class.swagger_types.each_pair do |key, type|
+      self.class.openapi_types.each_pair do |key, type|
         if type =~ /\AArray<(.*)>/i
           # check to ensure the input is an array given that the attribute
           # is documented as an array but the input is not
           if attributes[self.class.attribute_map[key]].is_a?(Array)
             self.send("#{key}=", attributes[self.class.attribute_map[key]].map { |v| _deserialize($1, v) })
           end
         elsif !attributes[self.class.attribute_map[key]].nil?
           self.send("#{key}=", _deserialize(type, attributes[self.class.attribute_map[key]]))
-        end # or else data not found in attributes(hash), not an issue as the data can be optional
+        elsif attributes[self.class.attribute_map[key]].nil? && self.class.openapi_nullable.include?(key)
+          self.send("#{key}=", nil)
+        end
       end
 
       self
     end
 
@@ -448,11 +468,11 @@
         value.to_s
       when :Integer
         value.to_i
       when :Float
         value.to_f
-      when :BOOLEAN
+      when :Boolean
         if value.to_s =~ /\A(true|t|yes|y|1)\z/i
           true
         else
           false
         end
@@ -469,12 +489,11 @@
           value.each do |k, v|
             hash[_deserialize(k_type, k)] = _deserialize(v_type, v)
           end
         end
       else # model
-        temp_model = Clever.const_get(type).new
-        temp_model.build_from_hash(value)
+        Clever.const_get(type).build_from_hash(value)
       end
     end
 
     # Returns the string representation of the object
     # @return [String] String presentation of the object
@@ -492,11 +511,15 @@
     # @return [Hash] Returns the object in the form of hash
     def to_hash
       hash = {}
       self.class.attribute_map.each_pair do |attr, param|
         value = self.send(attr)
-        next if value.nil?
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
         hash[param] = _to_hash(value)
       end
       hash
     end
 
@@ -514,9 +537,7 @@
       elsif value.respond_to? :to_hash
         value.to_hash
       else
         value
       end
-    end
-
-  end
+    end  end
 end