Class: ActiveRecordCSVImporter::Header

Inherits:
Object
  • Object
show all
Defined in:
lib/activerecord_csv_importer/header.rb

Overview

The CSV Header

Instance Method Summary collapse

Instance Method Details

#column_name_for_model_attribute(attribute) ⇒ Object 



18
19
20
21
22
23
 
# File 'lib/activerecord_csv_importer/header.rb', line 18

def column_name_for_model_attribute(attribute)
  column = columns.find { |c|
    c.definition.attribute == attribute if c.definition
  }
  column.name if column
end

#columns ⇒ Object 



9
10
11
12
13
14
15
16
 
# File 'lib/activerecord_csv_importer/header.rb', line 9

def columns
  column_names.map do |column_name|
    Column.new(
      name: column_name,
      definition: find_column_definition(column_name)
    )
  end
end

#missing_columns ⇒ Object

Returns Array



41
42
43
 
# File 'lib/activerecord_csv_importer/header.rb', line 41

def missing_columns
  (column_definitions - columns.map(&:definition)).map(&:name).map(&:to_s)
end

#missing_required_columns ⇒ Object

Returns Array



35
36
37
38
 
# File 'lib/activerecord_csv_importer/header.rb', line 35

def missing_required_columns
  (column_definitions.select(&:required?) - columns.map(&:definition))
    .map(&:name).map(&:to_s)
end

#required_columns ⇒ Object

Returns Array



30
31
32
 
# File 'lib/activerecord_csv_importer/header.rb', line 30

def required_columns
  column_definitions.select(&:required?).map(&:name)
end

#valid? ⇒ Boolean 



25
26
27
 
# File 'lib/activerecord_csv_importer/header.rb', line 25

def valid?
  missing_required_columns.empty?
end