Class: Property

Inherits:
Object
  • Object
show all
Extended by:
PropertyAttributes
Defined in:
lib/cre_property_matcher/property.rb

Instance Method Summary collapse

Methods included from PropertyAttributes

attrs_to_sym_hash, create_property_attributes

Constructor Details

#initialize(data) ⇒ Property

Returns a new instance of Property.



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# File 'lib/cre_property_matcher/property.rb', line 10

def initialize(data)
  @distance = 50000
  if data.class == CSV::Row
    load_from_csv_row(data)
  elsif data.class == Hash
    load_from_hash(data)
  end
  clean_property_types
  clean_money_values
  clean_percentages
  parse_dates
end

Instance Method Details

#calculate_distance_from_neighbors(neighbors, features, scales) ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 23

def calculate_distance_from_neighbors(neighbors, features, scales)
  neighbors.each do |neighbor|
    values = []
    features.each do |feature|
      neighbor_value = neighbor.instance_variable_get(feature)
      feature_delta = neighbor_value.nil? ?  1 : (neighbor_value - self.instance_variable_get(feature))
      feature_delta = feature_delta / scales[feature][:range].to_f
      value = feature_delta * feature_delta
      values << value
    end

    unless neighbor.general_property_type == self.general_property_type
      values << 0.005
    end
    
    neighbor.distance = Math.sqrt(values.reduce(:+))
  end
end

#clean_money_values ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 83

def clean_money_values
  attrs = ["noi", "ncf", "loan_amount", "appraised_value", "annual_debt_service", "uw_revenue", "uw_expenses"]
  
  attrs.each do |attr|
    value = instance_variable_get(:"@#{attr}")
    instance_variable_set(:"@#{attr}", clean_money(value))
  end
end

#clean_percentages ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 92

def clean_percentages
  attrs = ["ltv", "interest_rate", "occupancy"]
  
  attrs.each do |attr|
    value = instance_variable_get(:"@#{attr}")
    instance_variable_set(:"@#{attr}", clean_percentage(value))
  end
end

#clean_property_types ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 73

def clean_property_types
  if @general_property_type.nil?
    return
  elsif @general_property_type.include?("Manufactured")
    @general_property_type = "Manufactured Housing"
  elsif @general_property_type == "Hospitality"
    @general_property_type = "Hotel"
  end
end

#distance ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 42

def distance
  @distance
end

#distance=(value) ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 46

def distance=(value)
  @distance = value
end

#load_from_csv_row(data) ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 57

def load_from_csv_row(data)
  PropertyAttributes.attrs_to_sym_hash.each do |key, value|
    data_point = data[key]
    instance_variable_set(:"@#{value.to_s}", data_point)
  end
end

#load_from_hash(data) ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 64

def load_from_hash(data)
  if validate_hash(data)
    PropertyAttributes.attrs_to_sym_hash.each do |key, value|
      data_point = data[value]
      instance_variable_set(:"@#{value.to_s}", data_point)
    end
  end
end

#parse_dates ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 101

def parse_dates
  attrs = ["loan_date", "maturity_date", "appraisal_date"]

  attrs.each do |attr|
    value = instance_variable_get(:"@#{attr}")
    instance_variable_set(:"@#{attr}", date_parsed(value))
  end
end

#show(features = [:@appraised_value, :@noi, :@ncf, :@occupancy, :@uw_revenue, :@uw_expenses, :@distance, :@general_property_type]) ⇒ Object 



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# File 'lib/cre_property_matcher/property.rb', line 50

def show(features = [:@appraised_value, :@noi, :@ncf, :@occupancy, :@uw_revenue, :@uw_expenses, :@distance, :@general_property_type])
  self.instance_variables.each do |i_var|
    value = instance_variable_get(i_var)
    puts "#{instance_variable_to_string(i_var)}: #{value}" if features.include?(i_var)
  end  
end