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# frozen_string_literal: true
module Issues
class ImportCsvService
def initialize(user, project, upload)
@user = user
@project = project
@uploader = upload.build_uploader
@results = { success: 0, error_lines: [], parse_error: false }
end
def execute
# Cache remote file locally for processing
@uploader.cache_stored_file! unless @uploader.file_storage?
process_csv
email_results_to_user
cleanup_cache unless @uploader.file_storage?
@results
end
private
def process_csv
CSV.foreach(@uploader.file.path, col_sep: detect_col_sep, headers: true).with_index(2) do |row, line_no|
issue = Issues::CreateService.new(@project, @user, title: row[0], description: row[1]).execute
if issue.persisted?
@results[:success] += 1
else
@results[:error_lines].push(line_no)
end
end
rescue ArgumentError, CSV::MalformedCSVError
@results[:parse_error] = true
end
def email_results_to_user
Notify.import_issues_csv_email(@user.id, @project.id, @results).deliver_now
end
def detect_col_sep
header = File.open(@uploader.file.path, &:readline)
if header.include?(",")
","
elsif header.include?(";")
";"
elsif header.include?("\t")
"\t"
else
raise CSV::MalformedCSVError
end
end
def cleanup_cache
cached_file_path = @uploader.file.cache_path
File.delete(cached_file_path)
Dir.delete(File.dirname(cached_file_path))
end
end
end
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