70 lines
1.8 KiB
Ruby
70 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class LanguageDetection
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MAX_LANGUAGES = 5
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def initialize(repository, repository_languages)
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@repository = repository
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@repository_languages = repository_languages
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end
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def languages
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detection.keys
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end
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def language_color(name)
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detection.dig(name, :color)
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end
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# Newly detected languages, returned in a structure accepted by
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# ApplicationRecord.legacy_bulk_insert
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def insertions(programming_languages)
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lang_to_id = programming_languages.to_h { |p| [p.name, p.id] }
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(languages - previous_language_names).map do |new_lang|
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{
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project_id: @repository.project.id,
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share: detection[new_lang][:value],
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programming_language_id: lang_to_id[new_lang]
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}
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end
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end
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# updates analyses which records only require updating of their share
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def updates
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to_update = @repository_languages.select do |lang|
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detection.key?(lang.name) && detection[lang.name][:value] != lang.share
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end
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to_update.map do |lang|
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{ programming_language_id: lang.programming_language_id, share: detection[lang.name][:value] }
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end
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end
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# Returns the ids of the programming languages that do not occur in the detection
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# as current repository languages
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def deletions
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@repository_languages.filter_map do |repo_lang|
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next if detection.key?(repo_lang.name)
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repo_lang.programming_language_id
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end
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end
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private
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def previous_language_names
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@previous_language_names ||= @repository_languages.map(&:name)
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end
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def detection
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@detection ||=
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@repository
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.languages
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.first(MAX_LANGUAGES)
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.index_by { |l| l[:label] }
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end
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end
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end
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