<commit_before>class ImportTimeline
  def call
    cleanup

    find_csvs
    load_csvs

    import_all
  end

  def cleanup
    Timeline::Note.delete_all
    Timeline::Document.delete_all
    Timeline::Source.delete_all
  end

  def find_csvs
    bucket_name = Rails.application.secrets.s3_bucket_name
    s3 = Aws::S3::Client.new
    s3.list_objects(
      bucket: bucket_name,
      prefix: "#{CW_FILES_PREFIX}timeline/"
    ).each do |response|
      @csv_keys = response.contents.select do |c|
        c.key =~ /.csv/
      end

      @csv_keys = @csv_keys.map(&:key)

      @csv_keys = @csv_keys.reject do |c|
        c =~ /_metadata.csv/
      end
    end
  end

  def load_csvs
    @csvs = @csv_keys.each_with_object({}) do |c, memo|
      name = c[/\/(.*).csv/, 1]
      memo[name] = S3CSVReader.read(c).map(&:to_h)
    end
  end

  def import_all
    @csvs.each do |key, csv|
      import_source(key, csv)
    end
  end

  def import_source(name, csv)
    source = Timeline::Source.create!(
      name: name
    )

    csv.each do |line|<commit_msg>Upgrades the timeline importer to log the import script and capture errors without crashing<commit_after>class ImportTimeline
  include ClimateWatchEngine::CSVImporter

  def call
    ActiveRecord::Base.transaction do
      cleanup

      find_csvs
      load_csvs

      import_all
    end
  end

  def cleanup
    Timeline::Note.delete_all
    Timeline::Document.delete_all
    Timeline::Source.delete_all
  end

  def find_csvs
    bucket_name = Rails.application.secrets.s3_bucket_name
    s3 = Aws::S3::Client.new
    s3.list_objects(
      bucket: bucket_name,
      prefix: "#{CW_FILES_PREFIX}timeline/"
    ).each do |response|
      @csv_keys = response.contents.select do |c|
        c.key =~ /.csv/
      end

      @csv_keys = @csv_keys.map(&:key)

      @csv_keys = @csv_keys.reject do |c|
        c =~ /_metadata.csv/
      end
    end
  end

  def load_csvs
    @csvs = @csv_keys.each_with_object({}) do |c, memo|
      name = c[/\/(.*).csv/, 1]
      memo[name] = S3CSVReader.read(c).map(&:to_h)
    end
  end

  def import_all
    @csvs.each do |key, csv|
      import_source(key, csv)
    end
  end

  def import_source(name, csv)
    source = Timeline::Source.create!(
      name: name
    )

    import_each_with_logging(csv, "#{CW_FILES_PREFIX}timeline/#{name}.csv") do |line|
{'fraction_non_alphanumeric': 0.1133276740237691, 'fraction_numerical': 0.0050933786078098476, 'mean_word_length': 2.5126676602086437, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 1, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '644007', 'n_tokens_mistral': 883, 'n_tokens_neox': 840, 'n_words': 180}