Class: ActiveCsv

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Model
Defined in:
lib/PVLIB_Ruby/models/active_csv.rb

Overview

This is a model in model-view-controller design pattern. It is analogous to ActiveRecord. Hence, it’s a placeholder for data from CSV file. Borrowed the idea from “kyle.conarro.com/importing-from-csv-in-rails”.

Direct Known Subclasses

Inverter, PvModule

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create(csv_filepath) ⇒ Object 



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# File 'lib/PVLIB_Ruby/models/active_csv.rb', line 10

def self.create(csv_filepath)
  new_instance = self.new
  new_instance.load_data(csv_filepath)
  new_instance
end

Instance Method Details

#load_data(csv_filepath) ⇒ Object 



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# File 'lib/PVLIB_Ruby/models/active_csv.rb', line 24

def load_data(csv_filepath)
  csv = CSV.new(File.new(csv_filepath), headers: true, header_converters: :symbol)

  data = csv.shift

  previous_header = nil;
  index = 0;

  data.headers.each do |header|

    if "#{header}=" == "="

      unless previous_header.blank?

        assigned_data_for_previous_header = self.send(previous_header.to_sym)
        
        if assigned_data_for_previous_header.instance_of? Array
          assigned_data_for_previous_header << data[index]
          self.send("#{previous_header}=".to_sym, assigned_data_for_previous_header)
        else
          self.send("#{previous_header}=".to_sym, [assigned_data_for_previous_header,data[index]])
        end

      end

    else
      self.send("#{header}=".to_sym, data[header])
    end

    previous_header = header unless header.blank?
    index = index + 1;

  end

end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/PVLIB_Ruby/models/active_csv.rb', line 16

def persisted?
  false
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/PVLIB_Ruby/models/active_csv.rb', line 20

def valid?
  # TODO: implement this
end