[csv-uploader] CSV uploader

lib/qonfig.rb

@@ -3,6 +3,7 @@
 require 'set'
 require 'yaml'
 require 'json'
+require 'csv'
 require 'erb'
 require 'pathname'
 

lib/qonfig/uploaders.rb

@@ -7,4 +7,5 @@ module Qonfig::Uploaders
   require_relative 'uploaders/file'
   require_relative 'uploaders/json'
   require_relative 'uploaders/yaml'
+  require_relative 'uploaders/csv'
 end

lib/qonfig/uploaders/csv.rb

@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+# @api private
+# @since 0.25.0
+class Qonfig::Uploaders::CSV < Qonfig::Uplaoders::Base
+  # @return [String]
+  #
+  # @api private
+  # @since 0.25.0
+  FILE_OPENING_MODE = 'w'
+
+  # @return [Hash<Symbol,Any>]
+  #
+  # @api private
+  # @since 0.25.0
+  DEFAULT_OPTIONS = {
+    col_sep: '',
+    row_sep: :auto,
+    quote_char: '"',
+    field_size_limit: nil,
+    converters: nil,
+    unconverted_fields: nil,
+    headers: false,
+    return_headers: false,
+    write_headers: nil,
+    header_converters: nil,
+    skip_blanks: false,
+    force_quotes: false,
+    skip_lines: nil,
+    liberal_parsing: false,
+    internal_encoding: nil,
+    external_encoding: nil,
+    encoding: nil,
+    nil_value: nil,
+    empty_value: '',
+    quote_empty: true,
+    write_converters: nil,
+    write_nil_value: nil,
+    write_empty_value: '',
+    strip: false
+  }.freeze
+
+  class << self
+    # @param settings [Qonfig::Settings]
+    # @param value_processor [Block]
+    # @option path [String, Pathname]
+    # @option options [Hash<Symbol|String,Any>]
+    # @return [void]
+    #
+    # @api private
+    # @since 0.11.0
+    def upload(settings, path:, options: self::DEFAULT_OPTIONS, &value_processor)
+      ::CSV.open(path, FILE_OPENING_MODE, **options) do |csv_descriptor|
+        # TODO: realize
+      end
+    end
+  end
+end