Class: Legion::Data::Extract::Handlers::Csv

Inherits:
Base
  • Object
show all
Defined in:
lib/legion/data/extract/handlers/csv.rb

Class Method Summary collapse

Methods inherited from Base

available?, for_type, inherited, register, supported_types

Methods included from Logging::Helper

#handle_exception

Class Method Details

.extensions ⇒ Object 



11
 
# File 'lib/legion/data/extract/handlers/csv.rb', line 11

def self.extensions = %w[.csv]

.extract(source) ⇒ Object 



14
15
16
17
18
19
20
21
22
 
# File 'lib/legion/data/extract/handlers/csv.rb', line 14

def self.extract(source)
  content = source.respond_to?(:read) ? source.read : File.read(source.to_s)
  table = ::CSV.parse(content, headers: true)
  text = table.map { |row| row.to_h.map { |k, v| "#{k}: #{v}" }.join(', ') }.join("\n")
  { text: text, metadata: { rows: table.size, columns: table.headers.size, headers: table.headers } }
rescue StandardError => e
  handle_exception(e, level: :warn, handled: true, operation: :extract_csv)
  { text: nil, error: e.message }
end

.gem_name ⇒ Object 



12
 
# File 'lib/legion/data/extract/handlers/csv.rb', line 12

def self.gem_name = nil

.type ⇒ Object 



10
 
# File 'lib/legion/data/extract/handlers/csv.rb', line 10

def self.type = :csv