debian-mirror-gitlab/app/services/projects/detect_repository_languages_service.rb
2019-07-31 17:26:46 +00:00

68 lines
2.2 KiB
Ruby

# frozen_string_literal: true
module Projects
class DetectRepositoryLanguagesService < BaseService
attr_reader :programming_languages
# rubocop: disable CodeReuse/ActiveRecord
def execute
repository_languages = project.repository_languages
detection = Gitlab::LanguageDetection.new(repository, repository_languages)
matching_programming_languages = ensure_programming_languages(detection)
RepositoryLanguage.transaction do
project.repository_languages.where(programming_language_id: detection.deletions).delete_all
detection.updates.each do |update|
RepositoryLanguage
.where(project_id: project.id)
.where(programming_language_id: update[:programming_language_id])
.update_all(share: update[:share])
end
Gitlab::Database.bulk_insert(
RepositoryLanguage.table_name,
detection.insertions(matching_programming_languages)
)
set_detected_repository_languages
end
project.repository_languages.reset
end
# rubocop: enable CodeReuse/ActiveRecord
private
# rubocop: disable CodeReuse/ActiveRecord
def ensure_programming_languages(detection)
existing_languages = ProgrammingLanguage.where(name: detection.languages)
return existing_languages if detection.languages.size == existing_languages.size
missing_languages = detection.languages - existing_languages.map(&:name)
created_languages = missing_languages.map do |name|
create_language(name, detection.language_color(name))
end
existing_languages + created_languages
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def create_language(name, color)
ProgrammingLanguage.transaction do
ProgrammingLanguage.where(name: name).first_or_create(color: color)
end
rescue ActiveRecord::RecordNotUnique
retry
end
# rubocop: enable CodeReuse/ActiveRecord
def set_detected_repository_languages
return if project.detected_repository_languages?
project.update_column(:detected_repository_languages, true)
end
end
end