1 files changed, 0 insertions, 130 deletions
diff --git a/lib/csv_builder.rb b/lib/csv_builder.rb
deleted file mode 100644
index a54c355396d..00000000000
--- a/lib/csv_builder.rb
+++ /dev/null
@@ -1,130 +0,0 @@
-# frozen_string_literal: true
-
-# Generates CSV when given a collection and a mapping.
-#
-# Example:
-#
-#     columns = {
-#       'Title' => 'title',
-#       'Comment' => 'comment',
-#       'Author' => -> (post) { post.author.full_name }
-#       'Created At (UTC)' => -> (post) { post.created_at&.strftime('%Y-%m-%d %H:%M:%S') }
-#     }
-#
-#     CsvBuilder.new(@posts, columns).render
-#
-class CsvBuilder
-  DEFAULT_ORDER_BY = 'id'
-  DEFAULT_BATCH_SIZE = 1000
-  PREFIX_REGEX = /\A[=\+\-@;]/.freeze
-
-  attr_reader :rows_written
-
-  #
-  # * +collection+ - The data collection to be used
-  # * +header_to_hash_value+ - A hash of 'Column Heading' => 'value_method'.
-  # * +associations_to_preload+ - An array of records to preload with a batch of records.
-  #
-  # The value method will be called once for each object in the collection, to
-  # determine the value for that row. It can either be the name of a method on
-  # the object, or a lamda to call passing in the object.
-  def initialize(collection, header_to_value_hash, associations_to_preload = [])
-    @header_to_value_hash = header_to_value_hash
-    @collection = collection
-    @truncated = false
-    @rows_written = 0
-    @associations_to_preload = associations_to_preload
-  end
-
-  # Renders the csv to a string
-  def render(truncate_after_bytes = nil)
-    Tempfile.open(['csv']) do |tempfile|
-      csv = CSV.new(tempfile)
-
-      write_csv csv, until_condition: -> do
-        truncate_after_bytes && tempfile.size > truncate_after_bytes
-      end
-
-      if block_given?
-        yield tempfile
-      else
-        tempfile.rewind
-        tempfile.read
-      end
-    end
-  end
-
-  def truncated?
-    @truncated
-  end
-
-  def rows_expected
-    if truncated? || rows_written == 0
-      @collection.count
-    else
-      rows_written
-    end
-  end
-
-  def status
-    {
-      truncated: truncated?,
-      rows_written: rows_written,
-      rows_expected: rows_expected
-    }
-  end
-
-  protected
-
-  def each(&block)
-    if @associations_to_preload.present? && @collection.respond_to?(:each_batch)
-      @collection.each_batch(order_hint: :created_at) do |relation|
-        relation.preload(@associations_to_preload).order(:id).each(&block) # rubocop:disable CodeReuse/ActiveRecord
-      end
-    else
-      @collection.find_each(&block) # rubocop: disable CodeReuse/ActiveRecord
-    end
-  end
-
-  private
-
-  def headers
-    @headers ||= @header_to_value_hash.keys
-  end
-
-  def attributes
-    @attributes ||= @header_to_value_hash.values
-  end
-
-  def row(object)
-    attributes.map do |attribute|
-      if attribute.respond_to?(:call)
-        excel_sanitize(attribute.call(object))
-      else
-        excel_sanitize(object.public_send(attribute)) # rubocop:disable GitlabSecurity/PublicSend
-      end
-    end
-  end
-
-  def write_csv(csv, until_condition:)
-    csv << headers
-
-    each do |object|
-      csv << row(object)
-
-      @rows_written += 1
-
-      if until_condition.call
-        @truncated = true
-        break
-      end
-    end
-  end
-
-  def excel_sanitize(line)
-    return if line.nil?
-    return line unless line.is_a?(String) && line.match?(PREFIX_REGEX)
-
-    ["'", line].join
-  end
-end