Reviewed-on: #413 Co-authored-by: miteruzo <miteruzo@naver.com> Co-committed-by: miteruzo <miteruzo@naver.com>
このコミットはPull リクエスト #413 でマージされました．
このコミットが含まれているのは:
@@ -0,0 +1,202 @@
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class PostBulkCreator
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def initialize actor:, posts:, thumbnails:, host: nil
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@actor_id = actor.id
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@posts = posts
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@thumbnails = thumbnails
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@host = host
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end
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def run
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results = Array.new(@posts.length)
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mutex = Mutex.new
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next_index = 0
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workers = Array.new(2) do
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Thread.new do
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Rails.application.executor.wrap do
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ActiveRecord::Base.connection_pool.with_connection do
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actor = User.find(@actor_id)
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loop do
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index = nil
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begin
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index = mutex.synchronize do
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current = next_index
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next_index += 1
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current
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end
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break if index >= @posts.length
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attributes = @posts[index]
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results[index] = create_row(actor, attributes, index)
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rescue StandardError => e
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Rails.logger.error(
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"post_bulk_creator_worker_failure #{ { error: e.class.name,
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message: e.message,
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index: }.to_json }")
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results[index] = {
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status: 'failed',
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recoverable: false,
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errors: { base: ['登録中にエラーが発生しました．'] },
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base_errors: [] }
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end
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end
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end
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end
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end
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end
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workers.each(&:join)
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results.each_index do |index|
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next if results[index].present?
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results[index] = {
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status: 'failed',
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recoverable: false,
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errors: { base: ['登録中にエラーが発生しました．'] },
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base_errors: [] }
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end
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{ results: }
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end
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private
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def create_row actor, attributes, index
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preflight =
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PostCreatePreflight.new(
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attributes: attributes,
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thumbnail: thumbnail_for(index, attributes),
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host: @host).run
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if preflight[:existing_post_id].present?
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return {
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status: 'skipped',
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existing_post_id: preflight[:existing_post_id],
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existing_post: preflight[:existing_post] }
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end
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post = PostCreator.new(
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actor: actor,
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attributes: normalised_attributes(attributes, preflight, index)).create!
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result = {
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status: 'created',
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post: { id: post.id } }
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result[:field_warnings] = preflight[:field_warnings] if preflight[:field_warnings].present?
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result[:base_warnings] = preflight[:base_warnings] if preflight[:base_warnings].present?
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result
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rescue PostCreatePreflight::ValidationFailed => e
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{
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status: 'failed',
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recoverable: true,
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errors: e.fields,
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base_errors: e.base_errors }
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rescue ActiveRecord::RecordInvalid => e
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existing_post = existing_post_for_race(attributes, e.record)
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if existing_post.present?
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return {
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status: 'skipped',
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existing_post_id: existing_post[:id],
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existing_post: existing_post }
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end
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{
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status: 'failed',
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recoverable: true,
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errors: e.record.errors.to_hash,
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base_errors: e.record.errors[:base] }
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rescue ActiveRecord::RecordNotUnique => e
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if e.message.include?('index_posts_on_url')
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existing_post = existing_post_for_race(attributes)
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return {
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status: 'skipped',
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existing_post_id: existing_post[:id],
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existing_post: existing_post } if existing_post.present?
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end
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Rails.logger.error(
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"post_bulk_creator_record_not_unique #{ { error: e.class.name,
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message: e.message }.to_json }")
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{
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status: 'failed',
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recoverable: false,
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errors: { base: ['登録中にエラーが発生しました．'] },
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base_errors: [] }
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rescue Tag::NicoTagNormalisationError
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{
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status: 'failed',
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recoverable: true,
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errors: { tags: ['ニコニコ・タグは直接指定できません．'] },
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base_errors: [] }
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rescue Tag::DeprecatedTagNormalisationError
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{
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status: 'failed',
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recoverable: true,
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errors: { tags: ['廃止済みタグは付与できません．'] },
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base_errors: [] }
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rescue PostCreator::VideoMsParseError
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{
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status: 'failed',
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recoverable: true,
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errors: { video_ms: ['動画時間の記法が不正です．'] },
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base_errors: [] }
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rescue Post::RemoteThumbnailFetchFailed
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{
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status: 'failed',
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recoverable: true,
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errors: { thumbnail_base: ['サムネイル画像の取得に失敗しました．'] },
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base_errors: [] }
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rescue ArgumentError => e
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{
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status: 'failed',
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recoverable: true,
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errors: { base: [e.message] },
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base_errors: [] }
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rescue StandardError => e
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Rails.logger.error(
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"post_bulk_creator_failure #{ { error: e.class.name,
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message: e.message }.to_json }")
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{
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status: 'failed',
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recoverable: false,
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errors: { base: ['登録中にエラーが発生しました．'] },
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base_errors: [] }
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end
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def normalised_attributes attributes, preflight, index
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{
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url: preflight[:url],
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title: preflight[:title],
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thumbnail_base: preflight[:thumbnail_base],
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thumbnail: thumbnail_for(index, attributes),
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tags: preflight[:tags],
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parent_post_ids: preflight[:parent_post_ids],
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original_created_from: preflight[:original_created_from],
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original_created_before: preflight[:original_created_before],
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duration: preflight[:duration],
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video_ms: preflight[:video_ms],
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direct_tag_specs: preflight[:direct_tag_specs],
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default_tag_specs: preflight[:default_tag_specs],
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snapshot_tag_specs: preflight[:snapshot_tag_specs],
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post_tag_specs: preflight[:post_tag_specs],
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tag_sections: preflight[:tag_sections],
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normalised_parent_post_ids: preflight[:normalised_parent_post_ids] }
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end
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def thumbnail_for index, attributes
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return nil if attributes['thumbnail_base'].present? || attributes[:thumbnail_base].present?
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@thumbnails[index]
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end
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def existing_post_for_race attributes, record = nil
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return nil if record.present? && !(record.errors.of_kind?(:url, :taken))
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normal_url = PostUrlNormaliser.normalise(attributes['url'] || attributes[:url])
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return nil if normal_url.blank?
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compact_existing_post(Post.with_attached_thumbnail.find_by(url: normal_url))
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end
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def compact_existing_post post
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PostCompactRepr.base(post, host: @host)
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end
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end
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@@ -0,0 +1,271 @@
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class PostCreatePlan
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VIDEO_TAG_NAME = '動画'.freeze
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TAGME_TAG_NAME = 'タグ希望'.freeze
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NO_DEERJIKIST_TAG_NAME = 'ニジラー情報不詳'.freeze
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def initialize attributes:
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@attributes = attributes.symbolize_keys
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@existing_tags_by_name = nil
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end
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def build!
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direct_tag_specs, tag_sections = parse_direct_tag_specs
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default_tag_specs = build_default_tag_specs(direct_tag_specs)
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snapshot_tag_specs = merge_tag_specs(direct_tag_specs + default_tag_specs)
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preload_existing_tags_by_name!(snapshot_tag_specs.map { _1[:name] })
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validate_new_tag_specs!(snapshot_tag_specs)
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post_tag_specs = expand_parent_tag_specs(snapshot_tag_specs)
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video_ms = normalise_video_ms(snapshot_tag_specs)
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validate_video_sections!(video_ms, tag_sections)
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parent_post_ids = normalise_parent_post_ids
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validate_parent_post_ids!(parent_post_ids)
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{
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url: @attributes[:url],
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title: @attributes[:title].to_s,
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thumbnail_base: @attributes[:thumbnail_base].presence,
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original_created_from: @attributes[:original_created_from].presence,
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original_created_before: @attributes[:original_created_before].presence,
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tags: serialised_tags(direct_tag_specs, tag_sections),
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display_tags: display_tags(direct_tag_specs, tag_sections),
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duration: @attributes[:duration].to_s,
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video_ms: video_ms,
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parent_post_ids: parent_post_ids.join(' '),
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direct_tag_specs: direct_tag_specs,
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default_tag_specs: default_tag_specs,
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snapshot_tag_specs: snapshot_tag_specs,
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post_tag_specs: post_tag_specs,
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tag_sections: tag_sections,
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normalised_parent_post_ids: parent_post_ids }
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end
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private
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def tag_names = @attributes[:tags].to_s.split
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def parse_direct_tag_specs
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tag_sections = { }
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direct_tag_specs = []
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tag_names.each do |raw_name|
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tag_name, category, sections = parse_raw_tag_name(raw_name)
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existing_tag = existing_tags_by_name[tag_name]
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raise Tag::NicoTagNormalisationError if existing_tag&.nico?
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raise Tag::DeprecatedTagNormalisationError, [existing_tag.name] if existing_tag&.deprecated?
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direct_tag_specs << {
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name: tag_name,
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category: (category || existing_tag&.category || 'general').to_sym }
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if sections.present?
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tag_sections[tag_name] ||= []
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tag_sections[tag_name].concat(sections)
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tag_sections[tag_name] = Tag.merge_section_ranges(tag_sections[tag_name])
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tag_sections.delete(tag_name) if tag_sections[tag_name] == [[0, nil]]
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end
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end
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[merge_tag_specs(direct_tag_specs), tag_sections]
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end
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def parse_raw_tag_name raw_name
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name = raw_name.to_s
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prefix, category =
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Tag::CATEGORY_PREFIXES.find {
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name.downcase.start_with?(_1[0])
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} || ['', nil]
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name = name.sub(/\A#{ prefix }/i, '')
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sections = []
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while (match = name.match(/\A(\S*?)\[([^\[\]\s]*)-([^\[\]\s]*)\](\S*)\z/))
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name = "#{ match[1] }#{ match[4] }"
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next if match[2].empty? && match[3].empty?
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sections << Tag.normalise_section_range!(
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begin_raw: match[2],
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end_raw: match[3],
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tag_name: name)
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end
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if name.include?('[') || name.include?(']')
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raise Tag::SectionLiteralParseError.new(raw_name, raw_name)
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end
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[resolved_tag_name(name), category&.to_sym, sections]
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end
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def build_default_tag_specs direct_tag_specs
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default_tag_specs = []
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if direct_tag_specs.length < 10 && direct_tag_specs.none? { _1[:name] == TAGME_TAG_NAME }
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default_tag_specs << {
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name: TAGME_TAG_NAME,
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category: :meta }
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end
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if direct_tag_specs.none? { deerjikist_tag_spec?(_1) }
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default_tag_specs << {
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name: NO_DEERJIKIST_TAG_NAME,
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category: :meta }
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end
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default_tag_specs
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end
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def validate_new_tag_specs! specs
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Array(specs).each do |spec|
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next if existing_tags_by_name.key?(spec[:name])
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validate_new_tag_spec!(spec)
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end
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end
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def validate_new_tag_spec! spec
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tag_name = TagName.new(name: spec[:name])
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tag = Tag.new(category: spec[:category], tag_name:)
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return if tag_name.valid? && tag.valid?
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post = Post.new
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tag_name.errors[:name].each do |message|
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post.errors.add :tags, "#{ spec[:name] }: #{ message }"
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end
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tag.errors.each do |error|
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next if error.attribute == :tag_name
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post.errors.add :tags, "#{ spec[:name] }: #{ error.message }"
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end
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raise ActiveRecord::RecordInvalid, post
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end
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def expand_parent_tag_specs snapshot_tag_specs
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existing_snapshot_tags = snapshot_tag_specs.filter_map { existing_tags_by_name[_1[:name]] }
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expanded_parent_specs =
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Tag.expand_parent_tags(existing_snapshot_tags)
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.reject(&:deprecated?)
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.map { |tag|
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{
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name: tag.name,
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category: tag.category.to_sym } }
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merge_tag_specs(snapshot_tag_specs + expanded_parent_specs)
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end
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def merge_tag_specs specs
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specs.each_with_object({ }) do |spec, merged|
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merged[spec[:name]] =
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if merged.key?(spec[:name]) && merged[spec[:name]][:category] != :general
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merged[spec[:name]]
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else
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{
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name: spec[:name],
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category: spec[:category] }
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end
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end.values.sort_by { _1[:name] }
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end
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||||
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def existing_tags_by_name
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@existing_tags_by_name ||= begin
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names = tag_names.map { canonical_tag_name_without_sections(_1) }.uniq
|
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Tag.joins(:tag_name).where(tag_names: { name: names }).index_by(&:name)
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||||
end
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||||
end
|
||||
|
||||
def preload_existing_tags_by_name! names
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wanted_names = Array(names).map { _1.to_s }.reject(&:blank?).uniq
|
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missing_names = wanted_names - existing_tags_by_name.keys
|
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return if missing_names.empty?
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|
||||
existing_tags_by_name.merge!(
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Tag.joins(:tag_name)
|
||||
.where(tag_names: { name: missing_names })
|
||||
.index_by(&:name))
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||||
end
|
||||
|
||||
def canonical_tag_name_without_sections raw_name
|
||||
name, = parse_raw_tag_name(raw_name)
|
||||
name
|
||||
end
|
||||
|
||||
def deerjikist_tag_spec? spec
|
||||
return true if spec[:category] == :deerjikist
|
||||
|
||||
existing_tags_by_name[spec[:name]]&.deerjikist?
|
||||
end
|
||||
|
||||
def normalise_parent_post_ids
|
||||
Array(@attributes[:parent_post_ids]).flat_map { _1.to_s.split }.map { |token|
|
||||
id = Integer(token, exception: false)
|
||||
raise ArgumentError, "親投稿 Id. が不正です: #{ token }" if id.nil? || id <= 0
|
||||
|
||||
id
|
||||
}.uniq.sort
|
||||
end
|
||||
|
||||
def validate_parent_post_ids! ids
|
||||
missing = ids - Post.where(id: ids).pluck(:id)
|
||||
raise ArgumentError, "存在しない親投稿 Id. があります: #{ missing.join(' ') }" if missing.present?
|
||||
end
|
||||
|
||||
def serialised_tags direct_tag_specs, tag_sections
|
||||
direct_tag_specs.map { |spec|
|
||||
"#{ spec[:name] }#{ tag_sections[spec[:name]].to_a.map { section_literal(_1) }.join }"
|
||||
}.sort.join(' ')
|
||||
end
|
||||
|
||||
def display_tags direct_tag_specs, tag_sections
|
||||
direct_tag_specs.map { |spec|
|
||||
{
|
||||
name: spec[:name],
|
||||
category: spec[:category].to_s,
|
||||
section_literals: tag_sections[spec[:name]].to_a.map { section_literal(_1) } }
|
||||
}.sort_by { _1[:name] }
|
||||
end
|
||||
|
||||
def section_literal range
|
||||
begin_ms, end_ms = range
|
||||
"[#{ Post.ms_to_time(begin_ms) }-#{ end_ms ? Post.ms_to_time(end_ms) : '' }]"
|
||||
end
|
||||
|
||||
def normalise_video_ms snapshot_tag_specs
|
||||
return nil unless snapshot_tag_specs.any? { _1[:name] == VIDEO_TAG_NAME }
|
||||
|
||||
video_ms = @attributes[:video_ms]
|
||||
if video_ms.present?
|
||||
value = Integer(video_ms, exception: false)
|
||||
raise PostCreator::VideoMsParseError unless value&.positive?
|
||||
|
||||
return value
|
||||
end
|
||||
|
||||
duration = @attributes[:duration]
|
||||
return nil if duration.blank?
|
||||
|
||||
value = Tag.time_to_ms!(duration.to_s, tag_name: '動画時間')
|
||||
raise PostCreator::VideoMsParseError unless value.positive?
|
||||
|
||||
value
|
||||
rescue Tag::SectionLiteralParseError
|
||||
raise PostCreator::VideoMsParseError
|
||||
end
|
||||
|
||||
def validate_video_sections! video_ms, tag_sections
|
||||
return unless video_ms
|
||||
|
||||
tag_sections.each_value do |ranges|
|
||||
ranges.each do |begin_ms, end_ms|
|
||||
if begin_ms >= video_ms
|
||||
post = Post.new
|
||||
post.errors.add :video_ms, 'タグ区間の開始が動画時間以上です．'
|
||||
raise ActiveRecord::RecordInvalid, post
|
||||
end
|
||||
if end_ms && end_ms > video_ms
|
||||
post = Post.new
|
||||
post.errors.add :video_ms, 'タグ区間の終端が動画時間を超えてゐます．'
|
||||
raise ActiveRecord::RecordInvalid, post
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def resolved_tag_name name
|
||||
tag_name = TagName.includes(:canonical).find_by(name:)
|
||||
return name if tag_name.nil?
|
||||
|
||||
(tag_name.canonical || tag_name).name
|
||||
end
|
||||
end
|
||||
@@ -0,0 +1,141 @@
|
||||
class PostCreatePreflight
|
||||
class ValidationFailed < StandardError
|
||||
attr_reader :fields, :base_errors
|
||||
|
||||
def initialize fields: { }, base_errors: []
|
||||
super('入力内容を確認してください．')
|
||||
@fields = fields
|
||||
@base_errors = base_errors
|
||||
end
|
||||
end
|
||||
|
||||
def initialize attributes:, thumbnail: nil, host: nil
|
||||
@attributes = attributes.symbolize_keys
|
||||
@thumbnail = thumbnail
|
||||
@host = host
|
||||
end
|
||||
|
||||
def run
|
||||
preview = PostImportPreviewer.new.preview_rows(
|
||||
rows: [preview_row],
|
||||
fetch_metadata: false).first
|
||||
if preview[:existing_post_id].present?
|
||||
return {
|
||||
url: preview[:url],
|
||||
title: preview[:attributes]['title'],
|
||||
thumbnail_base: preview[:attributes]['thumbnail_base'],
|
||||
tags: preview[:attributes]['tags'],
|
||||
parent_post_ids: preview[:attributes]['parent_post_ids'],
|
||||
original_created_from: preview[:attributes]['original_created_from'],
|
||||
original_created_before: preview[:attributes]['original_created_before'],
|
||||
duration: preview[:attributes]['duration'],
|
||||
video_ms: preview[:attributes]['video_ms'],
|
||||
display_tags: preview[:display_tags] || [],
|
||||
field_warnings: final_field_warnings(preview[:field_warnings] || { }),
|
||||
base_warnings: preview[:base_warnings],
|
||||
existing_post_id: preview[:existing_post_id],
|
||||
existing_post: existing_post_compact(preview[:existing_post_id]) }
|
||||
end
|
||||
|
||||
if preview[:validation_errors].present?
|
||||
raise ValidationFailed.new(fields: preview[:validation_errors])
|
||||
end
|
||||
|
||||
validate_thumbnail_upload!
|
||||
|
||||
plan = PostCreatePlan.new(
|
||||
attributes: {
|
||||
url: preview[:url],
|
||||
title: preview[:attributes]['title'],
|
||||
thumbnail_base: preview[:attributes]['thumbnail_base'],
|
||||
tags: preview[:attributes]['tags'],
|
||||
parent_post_ids: preview[:attributes]['parent_post_ids'],
|
||||
original_created_from: preview[:attributes]['original_created_from'],
|
||||
original_created_before: preview[:attributes]['original_created_before'],
|
||||
duration: preview[:attributes]['duration'],
|
||||
video_ms: preview[:attributes]['video_ms'] }).build!
|
||||
|
||||
{
|
||||
url: plan[:url],
|
||||
title: plan[:title],
|
||||
thumbnail_base: plan[:thumbnail_base],
|
||||
tags: plan[:tags],
|
||||
parent_post_ids: plan[:parent_post_ids],
|
||||
original_created_from: plan[:original_created_from],
|
||||
original_created_before: plan[:original_created_before],
|
||||
duration: plan[:duration],
|
||||
video_ms: plan[:video_ms],
|
||||
display_tags: plan[:display_tags],
|
||||
direct_tag_specs: plan[:direct_tag_specs],
|
||||
default_tag_specs: plan[:default_tag_specs],
|
||||
snapshot_tag_specs: plan[:snapshot_tag_specs],
|
||||
post_tag_specs: plan[:post_tag_specs],
|
||||
tag_sections: plan[:tag_sections],
|
||||
normalised_parent_post_ids: plan[:normalised_parent_post_ids],
|
||||
field_warnings: final_field_warnings(preview[:field_warnings] || { }),
|
||||
base_warnings: preview[:base_warnings],
|
||||
existing_post_id: preview[:existing_post_id],
|
||||
existing_post: existing_post_compact(preview[:existing_post_id]) }
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def preview_row
|
||||
{
|
||||
source_row: 1,
|
||||
url: @attributes[:url].to_s,
|
||||
attributes: {
|
||||
'title' => @attributes[:title].to_s,
|
||||
'thumbnail_base' => @attributes[:thumbnail_base].to_s,
|
||||
'original_created_from' => @attributes[:original_created_from].to_s,
|
||||
'original_created_before' => @attributes[:original_created_before].to_s,
|
||||
'duration' => @attributes[:duration].to_s,
|
||||
'video_ms' => @attributes[:video_ms],
|
||||
'tags' => @attributes[:tags].to_s,
|
||||
'parent_post_ids' => parent_post_ids_text },
|
||||
provenance: {
|
||||
'url' => 'manual',
|
||||
'title' => 'manual',
|
||||
'thumbnail_base' => 'manual',
|
||||
'original_created_from' => 'manual',
|
||||
'original_created_before' => 'manual',
|
||||
'duration' => 'manual',
|
||||
'video_ms' => 'manual',
|
||||
'tags' => 'manual',
|
||||
'parent_post_ids' => 'manual' },
|
||||
tag_sources: {
|
||||
'automatic' => '',
|
||||
'manual' => @attributes[:tags].to_s } }
|
||||
end
|
||||
|
||||
def parent_post_ids_text
|
||||
Array(@attributes[:parent_post_ids]).flat_map { _1.to_s.split }.join(' ')
|
||||
end
|
||||
|
||||
def validate_thumbnail_upload!
|
||||
return if @attributes[:thumbnail_base].present?
|
||||
return if @thumbnail.blank?
|
||||
|
||||
PostThumbnailUploadValidator.validate!(@thumbnail)
|
||||
rescue PostThumbnailUploadValidator::InvalidUpload => e
|
||||
raise ValidationFailed.new(fields: { thumbnail: [e.message] })
|
||||
end
|
||||
|
||||
def existing_post_compact post_id
|
||||
return nil if post_id.blank?
|
||||
|
||||
post = Post.with_attached_thumbnail.find_by(id: post_id)
|
||||
PostCompactRepr.base(post, host: @host)
|
||||
end
|
||||
|
||||
def final_field_warnings field_warnings
|
||||
thumbnail_warnings = (field_warnings['thumbnail_base'] || []).reject { _1 == 'サムネールなし' }
|
||||
if @attributes[:thumbnail_base].blank? && @thumbnail.blank?
|
||||
thumbnail_warnings = (thumbnail_warnings + ['サムネールなし']).uniq
|
||||
end
|
||||
|
||||
next_warnings = field_warnings.except('thumbnail_base')
|
||||
next_warnings['thumbnail_base'] = thumbnail_warnings if thumbnail_warnings.present?
|
||||
next_warnings
|
||||
end
|
||||
end
|
||||
@@ -0,0 +1,154 @@
|
||||
class PostCreator
|
||||
class VideoMsParseError < ArgumentError; end
|
||||
|
||||
attr_reader :field_warnings
|
||||
|
||||
def initialize actor:, attributes:
|
||||
@actor = actor
|
||||
@attributes = attributes.symbolize_keys
|
||||
@field_warnings = { }
|
||||
end
|
||||
|
||||
def create!
|
||||
thumbnail_attachment = prepare_thumbnail_attachment
|
||||
post = Post.new(title: @attributes[:title].presence,
|
||||
url: @attributes[:url],
|
||||
thumbnail_base: @attributes[:thumbnail_base].presence,
|
||||
uploaded_user: @actor,
|
||||
original_created_from: @attributes[:original_created_from].presence,
|
||||
original_created_before: @attributes[:original_created_before].presence)
|
||||
|
||||
ApplicationRecord.transaction do
|
||||
post.save!
|
||||
post.thumbnail.attach(thumbnail_attachment) if thumbnail_attachment.present?
|
||||
snapshot_tags = planned_snapshot_tags
|
||||
post_tags = planned_post_tags
|
||||
sections = planned_sections
|
||||
TagVersioning.record_tag_snapshots!(snapshot_tags, created_by_user: @actor)
|
||||
post.video_ms = planned_video_ms
|
||||
post.save!
|
||||
sync_post_tags!(post, post_tags, sections)
|
||||
sync_parent_posts!(post, planned_parent_post_ids)
|
||||
PostVersionRecorder.record!(post:, event_type: :create, created_by_user: @actor)
|
||||
end
|
||||
post
|
||||
rescue StandardError
|
||||
post&.thumbnail&.purge if post&.thumbnail&.attached?
|
||||
raise
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def prepare_thumbnail_attachment
|
||||
PostThumbnailAttachmentBuilder.build(
|
||||
thumbnail: @attributes[:thumbnail],
|
||||
thumbnail_base: @attributes[:thumbnail_base].presence)
|
||||
end
|
||||
|
||||
def planned_snapshot_tags = planned_create_attributes[:snapshot_tags]
|
||||
|
||||
def planned_post_tags = planned_create_attributes[:post_tags]
|
||||
|
||||
def planned_sections = planned_create_attributes[:tag_sections]
|
||||
|
||||
def planned_parent_post_ids = planned_create_attributes[:normalised_parent_post_ids]
|
||||
|
||||
def planned_video_ms
|
||||
planned_create_attributes[:video_ms]
|
||||
end
|
||||
|
||||
def planned_create_attributes
|
||||
@planned_create_attributes ||= begin
|
||||
if @attributes.key?(:snapshot_tag_specs)
|
||||
snapshot_tags = materialise_tags(@attributes[:snapshot_tag_specs] || [])
|
||||
post_tags = materialise_tags(@attributes[:post_tag_specs] || [])
|
||||
{
|
||||
snapshot_tags: snapshot_tags,
|
||||
post_tags: post_tags,
|
||||
tag_sections: materialise_sections(
|
||||
@attributes[:tag_sections] || { },
|
||||
snapshot_tags,
|
||||
post_tags),
|
||||
normalised_parent_post_ids: @attributes[:normalised_parent_post_ids] || [],
|
||||
video_ms: @attributes[:video_ms] }
|
||||
else
|
||||
build_materialised_plan
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def build_materialised_plan
|
||||
plan = PostCreatePlan.new(attributes: @attributes).build!
|
||||
snapshot_tags = materialise_tags(plan[:snapshot_tag_specs] || [])
|
||||
post_tags = materialise_tags(plan[:post_tag_specs] || [])
|
||||
{
|
||||
snapshot_tags: snapshot_tags,
|
||||
post_tags: post_tags,
|
||||
tag_sections: materialise_sections(
|
||||
plan[:tag_sections] || { },
|
||||
snapshot_tags,
|
||||
post_tags),
|
||||
normalised_parent_post_ids: plan[:normalised_parent_post_ids] || [],
|
||||
video_ms: plan[:video_ms] }
|
||||
end
|
||||
|
||||
def materialise_tags specs
|
||||
Array(specs).each_with_object({ }) do |spec, tags|
|
||||
name = spec[:name] || spec['name']
|
||||
category = spec[:category] || spec['category']
|
||||
next if name.blank? || category.blank?
|
||||
|
||||
tag = Tag.find_or_create_by_tag_name!(name, category:)
|
||||
tag.update!(category:) if tag.category.to_sym != category.to_sym
|
||||
tags[name] ||= tag
|
||||
end.values
|
||||
end
|
||||
|
||||
def materialise_sections sections_by_name, snapshot_tags, post_tags
|
||||
tags_by_name = post_tags.index_by(&:name)
|
||||
snapshot_tags.each do |tag|
|
||||
tags_by_name[tag.name] ||= tag
|
||||
end
|
||||
|
||||
sections_by_name.each_with_object({ }) do |(tag_name, ranges), sections|
|
||||
tag = tags_by_name[tag_name.to_s]
|
||||
next if tag.nil?
|
||||
|
||||
sections[tag.id] = Array(ranges).map { |range| [range[0], range[1]] }
|
||||
end
|
||||
end
|
||||
|
||||
def sync_post_tags! post, desired_tags, sections
|
||||
desired_ids = desired_tags.map(&:id).to_set
|
||||
current_ids = post.tags.pluck(:id).to_set
|
||||
Tag.where(id: desired_ids - current_ids).find_each do |tag|
|
||||
PostTag.create_or_find_by!(post:, tag:, created_user: @actor)
|
||||
end
|
||||
PostTagSection.where(post_id: post.id).destroy_all
|
||||
sections.each do |tag_id, ranges|
|
||||
ranges.each do |begin_ms, end_ms|
|
||||
PostTagSection.create!(post_id: post.id,
|
||||
tag_id:,
|
||||
begin_ms:,
|
||||
end_ms:)
|
||||
end
|
||||
end
|
||||
PostTag.where(post_id: post.id,
|
||||
tag_id: (current_ids - desired_ids).to_a).kept.find_each do |post_tag|
|
||||
post_tag.discard_by!(@actor)
|
||||
end
|
||||
end
|
||||
|
||||
def sync_parent_posts! post, ids
|
||||
if ids.include?(post.id)
|
||||
post.errors.add :parent_post_ids, '自分自身を親投稿にはできません．'
|
||||
raise ActiveRecord::RecordInvalid, post
|
||||
end
|
||||
missing = ids - Post.where(id: ids).pluck(:id)
|
||||
if missing.present?
|
||||
post.errors.add :parent_post_ids, "存在しない親投稿 Id. があります: #{ missing.join(' ') }"
|
||||
raise ActiveRecord::RecordInvalid, post
|
||||
end
|
||||
ids.each { |parent_post_id| PostImplication.create_or_find_by!(post:, parent_post_id:) }
|
||||
end
|
||||
end
|
||||
@@ -0,0 +1,522 @@
|
||||
require 'time'
|
||||
require 'timeout'
|
||||
|
||||
class PostImportPreviewer
|
||||
FIELDS = [
|
||||
'title',
|
||||
'thumbnail_base',
|
||||
'original_created_from',
|
||||
'original_created_before',
|
||||
'video_ms',
|
||||
'duration',
|
||||
'tags',
|
||||
'parent_post_ids'].freeze
|
||||
FETCH_WARNING_FIELDS = ['url', 'title', 'thumbnail_base'].freeze
|
||||
TITLE_FETCH_WARNING = 'タイトルを取得できませんでした．'.freeze
|
||||
THUMBNAIL_FETCH_WARNING = 'サムネールを取得できませんでした．'.freeze
|
||||
METADATA_FETCH_WARNING = '自動取得に失敗しました．'.freeze
|
||||
|
||||
def preview_rows rows:, fetch_metadata: true, metadata_cache: { }
|
||||
prepared_rows = rows.map { prepare_row(_1) }
|
||||
url_counts = prepared_rows.filter_map { _1[:normal_url] }.tally
|
||||
existing_posts =
|
||||
Post.where(url: prepared_rows.map { _1[:normal_url] }.compact.uniq).index_by(&:url)
|
||||
existing_parent_ids = preload_parent_ids(prepared_rows)
|
||||
preload_metadata!(
|
||||
prepared_rows,
|
||||
fetch_metadata,
|
||||
metadata_cache,
|
||||
existing_posts,
|
||||
url_counts)
|
||||
known_tags =
|
||||
preload_known_tags(
|
||||
prepared_rows,
|
||||
fetch_metadata,
|
||||
metadata_cache,
|
||||
existing_posts,
|
||||
url_counts)
|
||||
prepared_rows.map { |row|
|
||||
preview_row(row,
|
||||
fetch_metadata:,
|
||||
metadata_cache:,
|
||||
existing_posts:,
|
||||
url_counts:,
|
||||
known_tags:,
|
||||
existing_parent_ids:)
|
||||
}
|
||||
end
|
||||
|
||||
def normalised_url value
|
||||
PostUrlNormaliser.normalise(value)
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def prepare_row row
|
||||
source = row.symbolize_keys
|
||||
url = source[:url].to_s.strip
|
||||
normal_url = normalised_url(url)
|
||||
source.merge(url_text: url, normal_url:, url_error: validate_url_safety(normal_url))
|
||||
end
|
||||
|
||||
def preview_row row,
|
||||
fetch_metadata:,
|
||||
metadata_cache:,
|
||||
existing_posts:,
|
||||
url_counts:,
|
||||
known_tags:,
|
||||
existing_parent_ids:
|
||||
attributes = initial_attributes(row)
|
||||
provenance = initial_provenance(row)
|
||||
tag_sources = initial_tag_sources(row, attributes, provenance)
|
||||
field_warnings = initial_field_warnings(row)
|
||||
base_warnings = initial_base_warnings(row)
|
||||
url = row[:url_text]
|
||||
provenance['url'] = 'manual'
|
||||
normal_url = row[:normal_url]
|
||||
url_for_metadata = normal_url || url
|
||||
existing_post = normal_url.present? ? existing_posts[normal_url] : nil
|
||||
|
||||
validation_errors = {}
|
||||
validation_errors[:url] = ['URL が不正です．'] if normal_url.blank?
|
||||
if row[:url_error].present?
|
||||
validation_errors[:url] = [row[:url_error]]
|
||||
end
|
||||
if normal_url.present? && url_counts[normal_url].to_i > 1
|
||||
validation_errors[:url] = ['URL が重複しています．']
|
||||
end
|
||||
|
||||
if row[:metadata_url].present? && row[:metadata_url] != url_for_metadata
|
||||
clear_automatic_values!(attributes, provenance, tag_sources)
|
||||
field_warnings = { }
|
||||
base_warnings = [ ]
|
||||
end
|
||||
|
||||
if validation_errors.blank? && normal_url.present? && existing_post
|
||||
attributes['tags'] = merged_tags(tag_sources, provenance['tags'])
|
||||
warnings_present = field_warnings.values.any?(&:present?) || base_warnings.present?
|
||||
return { source_row: row[:source_row],
|
||||
url: normal_url,
|
||||
attributes:,
|
||||
provenance:,
|
||||
tag_sources:,
|
||||
metadata_url: url_for_metadata,
|
||||
skip_reason: 'existing',
|
||||
existing_post_id: existing_post.id,
|
||||
field_warnings:,
|
||||
base_warnings:,
|
||||
validation_errors:,
|
||||
status: warnings_present ? 'warning' : 'ready' }
|
||||
end
|
||||
|
||||
should_fetch = validation_errors.blank?
|
||||
should_fetch &&= should_fetch_metadata?(fetch_metadata, row[:source_row].to_i)
|
||||
if should_fetch
|
||||
clear_fetch_warnings!(field_warnings)
|
||||
metadata = metadata_for(url_for_metadata, metadata_cache)
|
||||
if metadata[:validation_errors].present?
|
||||
validation_errors.merge!(metadata[:validation_errors])
|
||||
else
|
||||
apply_metadata!(attributes, provenance, tag_sources, metadata[:data])
|
||||
apply_fetch_warnings!(field_warnings, metadata[:warnings])
|
||||
end
|
||||
end
|
||||
|
||||
attributes['url'] = url
|
||||
validate_basic_data(attributes, validation_errors)
|
||||
validate_preview_tags(merged_tags(tag_sources, provenance['tags']),
|
||||
validation_errors,
|
||||
known_tags)
|
||||
validate_parents(attributes['parent_post_ids'], validation_errors, existing_parent_ids)
|
||||
attributes.delete('url')
|
||||
attributes['tags'] = merged_tags(tag_sources, provenance['tags'])
|
||||
|
||||
warnings_present = field_warnings.values.any?(&:present?) || base_warnings.present?
|
||||
{ source_row: row[:source_row],
|
||||
url: validation_errors[:url].present? ? url : (normal_url || url),
|
||||
attributes:,
|
||||
provenance:,
|
||||
tag_sources:,
|
||||
metadata_url: url_for_metadata,
|
||||
skip_reason: nil,
|
||||
existing_post_id: nil,
|
||||
field_warnings:,
|
||||
base_warnings:,
|
||||
validation_errors:,
|
||||
status: validation_errors.present? ? 'error' : (warnings_present ? 'warning' : 'ready') }
|
||||
end
|
||||
|
||||
def should_fetch_metadata? fetch_metadata, source_row
|
||||
case fetch_metadata
|
||||
when true then true
|
||||
when Integer then fetch_metadata == source_row
|
||||
when false, nil then false
|
||||
else raise ArgumentError, '取得対象が不正です．'
|
||||
end
|
||||
end
|
||||
|
||||
def initial_attributes row
|
||||
attributes = row[:attributes]&.stringify_keys || { }
|
||||
FIELDS.to_h { |field|
|
||||
value = attributes[field]
|
||||
normalised =
|
||||
if field == 'duration'
|
||||
normalise_duration_attribute(value)
|
||||
elsif field == 'video_ms'
|
||||
value.nil? ? '' : value.to_s
|
||||
else
|
||||
value.to_s
|
||||
end
|
||||
[field, normalised] }
|
||||
end
|
||||
|
||||
def initial_provenance row
|
||||
provenance = row[:provenance]&.stringify_keys || { }
|
||||
FIELDS.to_h { |field| [field, provenance[field].presence || 'automatic'] }
|
||||
.merge('url' => 'manual')
|
||||
end
|
||||
|
||||
def initial_tag_sources row, attributes, provenance
|
||||
sources = row[:tag_sources]&.stringify_keys || { 'automatic' => '', 'manual' => '' }
|
||||
sources['automatic'] = sources['automatic'].to_s
|
||||
sources['manual'] =
|
||||
provenance['tags'] == 'manual' ? attributes['tags'].to_s : sources['manual'].to_s
|
||||
sources
|
||||
end
|
||||
|
||||
def initial_field_warnings row
|
||||
(row[:field_warnings] || { })
|
||||
.stringify_keys
|
||||
.transform_values { |value| Array(value).map(&:to_s) }
|
||||
end
|
||||
|
||||
def initial_base_warnings row
|
||||
Array(row[:base_warnings]).map(&:to_s)
|
||||
end
|
||||
|
||||
def clear_automatic_values! attributes, provenance, tag_sources
|
||||
['title', 'thumbnail_base', 'original_created_from',
|
||||
'original_created_before', 'video_ms', 'duration'].each do |field|
|
||||
attributes[field] = '' if provenance[field] == 'automatic'
|
||||
end
|
||||
tag_sources['automatic'] = ''
|
||||
attributes['tags'] = merged_tags(tag_sources, provenance['tags'])
|
||||
end
|
||||
|
||||
def clear_fetch_warnings! field_warnings
|
||||
FETCH_WARNING_FIELDS.each do |field|
|
||||
field_warnings.delete(field)
|
||||
end
|
||||
end
|
||||
|
||||
def metadata_for url, cache
|
||||
cache[url] ||= fetch_metadata(url)
|
||||
end
|
||||
|
||||
def fetch_metadata url
|
||||
return { data: { }, warnings: { 'url' => ['URL が空です．'] },
|
||||
validation_errors: { } } if url.blank?
|
||||
|
||||
data = sanitise_metadata(PostMetadataFetcher.fetch(url).stringify_keys.compact)
|
||||
warnings = { }
|
||||
add_field_warning!(warnings, 'title', TITLE_FETCH_WARNING) if data['title'].blank?
|
||||
if data['thumbnail_base'].blank?
|
||||
add_field_warning!(warnings, 'thumbnail_base', THUMBNAIL_FETCH_WARNING)
|
||||
end
|
||||
{ data:, warnings:, validation_errors: { } }
|
||||
rescue Preview::UrlSafety::UnsafeUrl => e
|
||||
payload = { error: e.class.name, message: e.message }
|
||||
Rails.logger.info(
|
||||
"post_import_metadata_fetch_unsafe_url #{ payload.to_json }")
|
||||
{ data: { }, warnings: { }, validation_errors: { url: [e.message] } }
|
||||
rescue Preview::HttpFetcher::FetchFailed,
|
||||
Preview::HttpFetcher::ResponseTooLarge => e
|
||||
payload = { error: e.class.name, message: e.message }
|
||||
Rails.logger.info(
|
||||
"post_import_metadata_fetch_failure #{ payload.to_json }")
|
||||
{ data: { }, warnings: { 'url' => [METADATA_FETCH_WARNING] }, validation_errors: { } }
|
||||
end
|
||||
|
||||
def sanitise_metadata metadata
|
||||
{
|
||||
'title' => sanitise_metadata_title(metadata['title']),
|
||||
'thumbnail_base' => sanitise_metadata_url(metadata['thumbnail_base']),
|
||||
'original_created_from' => sanitise_metadata_time(metadata['original_created_from']),
|
||||
'original_created_before' => sanitise_metadata_time(metadata['original_created_before']),
|
||||
'duration' => sanitise_metadata_duration(metadata['duration']),
|
||||
'tags' => metadata['tags'].to_s.presence }.compact
|
||||
end
|
||||
|
||||
def sanitise_metadata_title value
|
||||
value.is_a?(String) ? value.presence : nil
|
||||
end
|
||||
|
||||
def sanitise_metadata_url value
|
||||
return nil unless value.is_a?(String)
|
||||
|
||||
stripped = value.strip
|
||||
return nil if stripped.blank?
|
||||
|
||||
uri = URI.parse(stripped)
|
||||
return nil unless uri.is_a?(URI::HTTP) && uri.host.present?
|
||||
|
||||
stripped
|
||||
rescue URI::InvalidURIError
|
||||
nil
|
||||
end
|
||||
|
||||
def sanitise_metadata_time value
|
||||
return nil unless value.is_a?(String)
|
||||
|
||||
Time.iso8601(value).in_time_zone.change(sec: 0, nsec: 0).iso8601
|
||||
rescue ArgumentError, TypeError
|
||||
nil
|
||||
end
|
||||
|
||||
def sanitise_metadata_duration value
|
||||
return nil unless value.is_a?(String)
|
||||
|
||||
value.presence
|
||||
end
|
||||
|
||||
def normalise_duration_attribute value
|
||||
return '' if value.nil?
|
||||
return value if value.is_a?(String)
|
||||
|
||||
milliseconds = Integer(value, exception: false)
|
||||
return value.to_s if milliseconds.nil? || milliseconds <= 0
|
||||
|
||||
seconds_string = (milliseconds / 1_000.0).to_s
|
||||
seconds_string.end_with?('.0') ? seconds_string.delete_suffix('.0') : seconds_string
|
||||
end
|
||||
|
||||
def preload_metadata! prepared_rows, fetch_metadata, metadata_cache, existing_posts, url_counts
|
||||
urls = prepared_rows.filter_map { |row|
|
||||
next unless row[:normal_url].present?
|
||||
next if row[:url_error].present?
|
||||
next unless should_fetch_metadata?(fetch_metadata, row[:source_row].to_i)
|
||||
next if url_counts[row[:normal_url]].to_i > 1
|
||||
next if existing_posts.key?(row[:normal_url])
|
||||
|
||||
row[:normal_url]
|
||||
}.uniq
|
||||
urls = urls.reject { metadata_cache.key?(_1) }
|
||||
return if urls.empty?
|
||||
|
||||
url_queue = Queue.new
|
||||
result_queue = Queue.new
|
||||
urls.each { url_queue << _1 }
|
||||
workers = [urls.length, 4].min.times.map {
|
||||
Thread.new {
|
||||
Rails.application.executor.wrap do
|
||||
loop do
|
||||
url = url_queue.pop(true)
|
||||
result_queue << [url, safe_fetch_metadata(url)]
|
||||
rescue ThreadError
|
||||
break
|
||||
end
|
||||
end
|
||||
}
|
||||
}
|
||||
Timeout.timeout(15) { workers.each(&:join) }
|
||||
rescue Timeout::Error
|
||||
workers&.each(&:kill)
|
||||
ensure
|
||||
workers&.each(&:join)
|
||||
while result_queue&.size.to_i.positive?
|
||||
url, result = result_queue.pop
|
||||
metadata_cache[url] = result
|
||||
end
|
||||
urls&.each do |url|
|
||||
metadata_cache[url] ||= { data: { }, warnings: { 'url' => [METADATA_FETCH_WARNING] } }
|
||||
end
|
||||
end
|
||||
|
||||
def safe_fetch_metadata url
|
||||
fetch_metadata(url)
|
||||
rescue Preview::UrlSafety::UnsafeUrl => e
|
||||
payload = { error: e.class.name, message: e.message }
|
||||
Rails.logger.info(
|
||||
"post_import_metadata_fetch_unsafe_url #{ payload.to_json }")
|
||||
{ data: { }, warnings: { }, validation_errors: { url: [e.message] } }
|
||||
rescue StandardError => e
|
||||
payload = { error: e.class.name, message: e.message }
|
||||
Rails.logger.error(
|
||||
"post_import_metadata_fetch_unexpected_failure #{ payload.to_json }")
|
||||
{ data: { }, warnings: { 'url' => [METADATA_FETCH_WARNING] }, validation_errors: { } }
|
||||
end
|
||||
|
||||
def preload_known_tags prepared_rows, fetch_metadata, metadata_cache, existing_posts, url_counts
|
||||
names = prepared_rows.flat_map { |row|
|
||||
attributes = initial_attributes(row)
|
||||
provenance = initial_provenance(row)
|
||||
tag_sources = initial_tag_sources(row, attributes, provenance)
|
||||
if metadata_url_changed?(row)
|
||||
clear_automatic_values!(attributes, provenance, tag_sources)
|
||||
end
|
||||
if should_apply_metadata_to_row?(row, fetch_metadata, existing_posts, url_counts)
|
||||
metadata = metadata_for(row[:normal_url], metadata_cache)
|
||||
apply_metadata!(attributes, provenance, tag_sources, metadata[:data])
|
||||
end
|
||||
preview_tag_names(merged_tags(tag_sources, provenance['tags']))
|
||||
}.compact.uniq
|
||||
return { } if names.empty?
|
||||
|
||||
Tag.joins(:tag_name)
|
||||
.where(tag_names: { name: names })
|
||||
.includes(:tag_name)
|
||||
.to_a
|
||||
.index_by(&:name)
|
||||
end
|
||||
|
||||
def preload_parent_ids prepared_rows
|
||||
ids = prepared_rows.flat_map { |row|
|
||||
attributes = initial_attributes(row)
|
||||
preview_parent_ids(attributes['parent_post_ids'])
|
||||
}.uniq
|
||||
return { } if ids.empty?
|
||||
|
||||
Post.where(id: ids).pluck(:id).to_h { [_1, true] }
|
||||
end
|
||||
|
||||
def metadata_url_changed? row
|
||||
row[:metadata_url].present? && row[:metadata_url] != (row[:normal_url] || row[:url_text])
|
||||
end
|
||||
|
||||
def should_apply_metadata_to_row? row, fetch_metadata, existing_posts, url_counts
|
||||
normal_url = row[:normal_url]
|
||||
return false if normal_url.blank?
|
||||
return false if row[:url_error].present?
|
||||
return false if url_counts[normal_url].to_i > 1
|
||||
return false if existing_posts.key?(normal_url)
|
||||
|
||||
should_fetch_metadata?(fetch_metadata, row[:source_row].to_i)
|
||||
end
|
||||
|
||||
def validate_url_safety normal_url
|
||||
return nil if normal_url.blank?
|
||||
|
||||
Preview::UrlSafety.validate(normal_url)
|
||||
nil
|
||||
rescue Preview::UrlSafety::UnsafeUrl => e
|
||||
e.message
|
||||
end
|
||||
|
||||
def apply_metadata! attributes, provenance, tag_sources, metadata
|
||||
metadata.each do |field, value|
|
||||
if field == 'tags'
|
||||
next if provenance['tags'] == 'manual'
|
||||
|
||||
tag_sources['automatic'] = value.to_s
|
||||
attributes['tags'] = merged_tags(tag_sources)
|
||||
next
|
||||
end
|
||||
next unless provenance[field] == 'automatic'
|
||||
|
||||
attributes[field] = value
|
||||
provenance[field] = 'automatic'
|
||||
end
|
||||
end
|
||||
|
||||
def apply_fetch_warnings! field_warnings, warnings
|
||||
warnings.each do |field, values|
|
||||
values.each do |value|
|
||||
add_field_warning!(field_warnings, field, value)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def add_field_warning! field_warnings, field, message
|
||||
field_warnings[field] ||= []
|
||||
field_warnings[field] << message unless field_warnings[field].include?(message)
|
||||
end
|
||||
|
||||
def merged_tags sources, origin = nil
|
||||
return sources['manual'].to_s if origin == 'manual'
|
||||
|
||||
sources['automatic'].to_s
|
||||
end
|
||||
|
||||
def preview_tag_names raw
|
||||
names = raw.to_s.split
|
||||
return [] if names.empty?
|
||||
if names.any? { _1.downcase.start_with?('nico:') }
|
||||
return []
|
||||
end
|
||||
|
||||
names.map { |name| TagName.canonicalise(name.sub(/\[.*\]\z/, '')).first }
|
||||
rescue Tag::SectionLiteralParseError
|
||||
[]
|
||||
end
|
||||
|
||||
def validate_preview_tags raw, errors, known_tags
|
||||
names = raw.to_s.split
|
||||
return if names.empty?
|
||||
if names.any? { _1.downcase.start_with?('nico:') }
|
||||
errors[:tags] = ['ニコニコ・タグは直接指定できません．']
|
||||
return
|
||||
end
|
||||
|
||||
parsed = names.map { |name| TagName.canonicalise(name.sub(/\[.*\]\z/, '')).first }
|
||||
existing = parsed.filter_map { known_tags[_1] }
|
||||
deprecated = existing.select(&:deprecated?).map(&:name)
|
||||
errors[:tags] = ["廃止済みタグがあります: #{ deprecated.join(' ') }"] if deprecated.present?
|
||||
rescue Tag::SectionLiteralParseError
|
||||
errors[:tags] = ['タグ区間の記法が不正です．']
|
||||
end
|
||||
|
||||
def validate_basic_data attributes, errors
|
||||
post = Post.new(title: attributes['title'].presence,
|
||||
url: attributes['url'],
|
||||
thumbnail_base: attributes['thumbnail_base'].presence,
|
||||
original_created_from: attributes['original_created_from'].presence,
|
||||
original_created_before: attributes['original_created_before'].presence,
|
||||
video_ms: parse_video_ms(attributes, errors))
|
||||
post.valid?
|
||||
post.errors.each do |error|
|
||||
next if error.attribute == :url && error.type == :taken
|
||||
|
||||
(errors[error.attribute] ||= []) << error.message
|
||||
end
|
||||
end
|
||||
|
||||
def parse_video_ms attributes, errors
|
||||
return nil unless attributes['tags'].to_s.split.include?('動画')
|
||||
|
||||
video_ms = attributes['video_ms']
|
||||
if video_ms.present?
|
||||
value = Integer(video_ms, exception: false)
|
||||
if value&.positive?
|
||||
return value
|
||||
end
|
||||
|
||||
errors[:video_ms] = ['動画時間の記法が不正です．']
|
||||
return nil
|
||||
end
|
||||
|
||||
value = attributes['duration']
|
||||
return nil if value.blank?
|
||||
|
||||
Tag.time_to_ms!(value.to_s, tag_name: '動画時間')
|
||||
rescue Tag::SectionLiteralParseError
|
||||
errors[:video_ms] = ['動画時間の記法が不正です．']
|
||||
nil
|
||||
end
|
||||
|
||||
def preview_parent_ids raw
|
||||
raw.to_s.split.map { Integer(_1, exception: false) }.compact
|
||||
end
|
||||
|
||||
def validate_parents raw, errors, existing_parent_ids
|
||||
ids = raw.to_s.split.map { Integer(_1, exception: false) }
|
||||
return if ids.compact.empty? && raw.to_s.blank?
|
||||
|
||||
if ids.any? { _1.nil? || _1 <= 0 }
|
||||
errors[:parent_post_ids] = ['親投稿 Id. が不正です．']
|
||||
return
|
||||
end
|
||||
if ids.uniq.any? { !existing_parent_ids[_1] }
|
||||
errors[:parent_post_ids] = ['存在しない親投稿 Id. があります．']
|
||||
end
|
||||
end
|
||||
end
|
||||
@@ -0,0 +1,198 @@
|
||||
require 'time'
|
||||
require 'date'
|
||||
|
||||
class PostMetadataFetcher
|
||||
TIMESTAMP_PATTERN =
|
||||
/\A(\d{4})-(\d{2})-(\d{2})T(\d{2})
|
||||
(?::(\d{2})(?::(\d{2})(?:\.(\d+))?)?)?
|
||||
(Z|[+-]\d{2}:?\d{2})?\z/x
|
||||
|
||||
def self.fetch raw_url
|
||||
uri, = Preview::UrlSafety.validate(raw_url)
|
||||
response = Preview::HttpFetcher.fetch(
|
||||
uri.to_s,
|
||||
max_bytes: Preview::ThumbnailFetcher::HTML_MAX_BYTES)
|
||||
metadata = Preview::HtmlMetadataExtractor.extract(response)
|
||||
document = Nokogiri::HTML.parse(response.body)
|
||||
content = lambda { |name|
|
||||
document
|
||||
.at_css("meta[property='#{ name }'], meta[name='#{ name }']")
|
||||
&.[]('content')
|
||||
&.strip
|
||||
&.presence
|
||||
}
|
||||
duration = content.call('og:video:duration') || content.call('video:duration')
|
||||
published = content.call('article:published_time') || content.call('date')
|
||||
created_range = original_created_range(published)
|
||||
platform_tags = platform_tags(uri)
|
||||
{ title: metadata[:title],
|
||||
thumbnail_base:
|
||||
Preview::KnownSiteExtractor.thumbnail_url(uri) || metadata[:image_url],
|
||||
original_created_from: serialise_time(created_range&.first),
|
||||
original_created_before: serialise_time(created_range&.last),
|
||||
duration: serialise_duration(duration),
|
||||
display_tags: display_tags(platform_tags),
|
||||
tags: platform_tags.join(' ') }
|
||||
end
|
||||
|
||||
def self.platform_tags uri
|
||||
return ['動画', 'YouTube'] if Preview::KnownSiteExtractor.youtube_video_id(uri)
|
||||
return ['動画', 'ニコニコ'] if Preview::KnownSiteExtractor.niconico_video_id(uri)
|
||||
|
||||
[]
|
||||
end
|
||||
|
||||
def self.display_tags names
|
||||
return [] if names.blank?
|
||||
|
||||
existing_tags =
|
||||
Tag
|
||||
.joins(:tag_name)
|
||||
.where(tag_names: { name: names })
|
||||
.index_by(&:name)
|
||||
|
||||
names.map { |name|
|
||||
tag = existing_tags[name]
|
||||
{
|
||||
name: name,
|
||||
category: (tag&.category || 'meta'),
|
||||
section_literals: [] }
|
||||
}
|
||||
end
|
||||
|
||||
def self.original_created_range value
|
||||
return nil if value.blank?
|
||||
|
||||
raw = value.to_s.strip
|
||||
from, before =
|
||||
case raw
|
||||
when /\A(\d{4})\z/
|
||||
year = Regexp.last_match(1).to_i
|
||||
from = Time.zone.local(year, 1, 1)
|
||||
[from, from + 1.year]
|
||||
when /\A(\d{4})-(\d{2})\z/
|
||||
year = Regexp.last_match(1).to_i
|
||||
month = Regexp.last_match(2).to_i
|
||||
return nil unless month.between?(1, 12)
|
||||
|
||||
from = Time.zone.local(year, month, 1)
|
||||
[from, from + 1.month]
|
||||
when /\A(\d{4})-(\d{2})-(\d{2})\z/
|
||||
year = Regexp.last_match(1).to_i
|
||||
month = Regexp.last_match(2).to_i
|
||||
day = Regexp.last_match(3).to_i
|
||||
return nil unless Date.valid_date?(year, month, day)
|
||||
|
||||
from = Time.zone.local(year, month, day)
|
||||
[from, from + 1.day]
|
||||
else
|
||||
parse_timestamp_range(raw)
|
||||
end
|
||||
return nil if from.nil? || before.nil?
|
||||
|
||||
[from, before]
|
||||
rescue ArgumentError, TypeError
|
||||
nil
|
||||
end
|
||||
|
||||
def self.parse_timestamp_range raw
|
||||
match = raw.match(TIMESTAMP_PATTERN)
|
||||
return nil unless match
|
||||
|
||||
year = match[1].to_i
|
||||
month = match[2].to_i
|
||||
day = match[3].to_i
|
||||
hour = match[4].to_i
|
||||
minute = match[5]&.to_i || 0
|
||||
second = match[6]&.to_i || 0
|
||||
fraction = match[7]
|
||||
offset = match[8]
|
||||
return nil unless valid_timestamp_components?(year, month, day, hour, minute, second)
|
||||
return nil unless valid_offset?(offset)
|
||||
|
||||
nanoseconds = parse_nanoseconds(fraction)
|
||||
timestamp =
|
||||
if offset.present?
|
||||
Time.new(
|
||||
year,
|
||||
month,
|
||||
day,
|
||||
hour,
|
||||
minute,
|
||||
second + Rational(nanoseconds, 1_000_000_000),
|
||||
parse_offset(offset)).in_time_zone
|
||||
else
|
||||
Time.zone.local(year, month, day, hour, minute, second).change(nsec: nanoseconds)
|
||||
end
|
||||
|
||||
from = timestamp.change(sec: 0, nsec: 0)
|
||||
before =
|
||||
if match[5].nil?
|
||||
from + 1.hour
|
||||
else
|
||||
from + 1.minute
|
||||
end
|
||||
[from, before]
|
||||
end
|
||||
|
||||
def self.parse_nanoseconds value
|
||||
return 0 if value.blank?
|
||||
|
||||
digits = value[0, 9].ljust(9, '0')
|
||||
Integer(digits, 10)
|
||||
end
|
||||
|
||||
def self.parse_offset value
|
||||
return '+00:00' if value == 'Z'
|
||||
|
||||
value.match?(/\A[+-]\d{2}:\d{2}\z/) ? value : "#{ value[0, 3] }:#{ value[3, 2] }"
|
||||
end
|
||||
|
||||
def self.serialise_duration value
|
||||
seconds = Float(value)
|
||||
return nil unless seconds.positive?
|
||||
|
||||
milliseconds = (seconds * 1_000).round
|
||||
seconds_string = (milliseconds / 1_000.0).to_s
|
||||
seconds_string.end_with?('.0') ? seconds_string.delete_suffix('.0') : seconds_string
|
||||
rescue ArgumentError, TypeError
|
||||
nil
|
||||
end
|
||||
|
||||
def self.valid_timestamp_components? year, month, day, hour, minute, second
|
||||
return false unless Date.valid_date?(year, month, day)
|
||||
return false unless hour.between?(0, 23)
|
||||
return false unless minute.between?(0, 59)
|
||||
return false unless second.between?(0, 59)
|
||||
|
||||
true
|
||||
end
|
||||
|
||||
def self.valid_offset? value
|
||||
return true if value.nil? || value == 'Z'
|
||||
|
||||
match = value.match(/\A([+-])(\d{2}):?(\d{2})\z/)
|
||||
return false if match.nil?
|
||||
|
||||
hours = match[2].to_i
|
||||
minutes = match[3].to_i
|
||||
hours.between?(0, 23) && minutes.between?(0, 59)
|
||||
end
|
||||
|
||||
def self.serialise_time value
|
||||
return nil if value.nil?
|
||||
|
||||
value.nsec.zero? ? value.iso8601 : value.iso8601(9)
|
||||
end
|
||||
|
||||
private_class_method :platform_tags,
|
||||
:display_tags,
|
||||
:original_created_range,
|
||||
:parse_timestamp_range,
|
||||
:parse_nanoseconds,
|
||||
:parse_offset,
|
||||
:serialise_duration,
|
||||
:valid_timestamp_components?,
|
||||
:valid_offset?,
|
||||
:serialise_time
|
||||
end
|
||||
@@ -0,0 +1,11 @@
|
||||
class PostThumbnailAttachmentBuilder
|
||||
def self.build thumbnail:, thumbnail_base:
|
||||
if thumbnail_base.present?
|
||||
return Post.remote_thumbnail_attachment(thumbnail_base)
|
||||
end
|
||||
|
||||
return nil if thumbnail.blank?
|
||||
|
||||
Post.resized_thumbnail_attachment(thumbnail)
|
||||
end
|
||||
end
|
||||
@@ -0,0 +1,34 @@
|
||||
class PostThumbnailUploadValidator
|
||||
MAX_THUMBNAIL_BYTES = 20 * 1024 * 1024
|
||||
ALLOWED_CONTENT_TYPES = Preview::ThumbnailFetcher::RASTER_IMAGE_CONTENT_TYPES.freeze
|
||||
|
||||
class InvalidUpload < StandardError; end
|
||||
|
||||
def self.validate! thumbnail
|
||||
return if thumbnail.blank?
|
||||
unless thumbnail.is_a?(ActionDispatch::Http::UploadedFile)
|
||||
raise InvalidUpload, 'thumbnail upload が不正です．'
|
||||
end
|
||||
raise InvalidUpload, 'thumbnail file size が大きすぎます．' if thumbnail.size > MAX_THUMBNAIL_BYTES
|
||||
raise InvalidUpload, 'サムネイル画像の形式が不正です．' unless allowed_content_type?(thumbnail.content_type)
|
||||
bytes = thumbnail.read
|
||||
raise InvalidUpload, 'サムネイル画像の形式が不正です．' if Post.svg_document_bytes?(bytes)
|
||||
unless Post.raster_thumbnail_bytes?(bytes)
|
||||
raise InvalidUpload, 'サムネイル画像の形式が不正です．'
|
||||
end
|
||||
|
||||
attachment = Post.resized_thumbnail_attachment(
|
||||
StringIO.new(bytes),
|
||||
content_type: thumbnail.content_type)
|
||||
attachment[:io].close if attachment[:io].respond_to?(:close)
|
||||
rescue MiniMagick::Error, Timeout::Error
|
||||
raise InvalidUpload, 'サムネイル画像の変換に失敗しました．'
|
||||
ensure
|
||||
thumbnail&.rewind if thumbnail.respond_to?(:rewind)
|
||||
end
|
||||
|
||||
def self.allowed_content_type? content_type
|
||||
mime_type = content_type.to_s.split(';', 2).first.to_s.downcase.strip
|
||||
ALLOWED_CONTENT_TYPES.include?(mime_type)
|
||||
end
|
||||
end
|
||||
@@ -0,0 +1,13 @@
|
||||
class PostUrlNormaliser
|
||||
def self.normalise raw_url
|
||||
value = raw_url.to_s.strip
|
||||
uri = URI.parse(value)
|
||||
return nil unless uri.is_a?(URI::HTTP) && uri.host.present?
|
||||
|
||||
uri.host = uri.host.downcase
|
||||
uri.path = uri.path.sub(/\/\z/, '') if uri.path.present?
|
||||
PostUrlSanitisationRule.sanitise(uri.to_s)
|
||||
rescue URI::InvalidURIError
|
||||
nil
|
||||
end
|
||||
end
|
||||
@@ -67,7 +67,8 @@ module Preview
|
||||
log_failure(:timeout, url: uri&.to_s || raw_url, error: e.class.name, message: e.message)
|
||||
raise FetchTimeout, e.message
|
||||
rescue SocketError, SystemCallError, OpenSSL::SSL::SSLError, EOFError => e
|
||||
log_failure(:network_error, url: uri&.to_s || raw_url, error: e.class.name, message: e.message)
|
||||
log_failure(:network_error, url: uri&.to_s || raw_url, error: e.class.name,
|
||||
message: e.message)
|
||||
raise FetchFailed, e.message
|
||||
end
|
||||
|
||||
|
||||
@@ -4,6 +4,15 @@ module Preview
|
||||
youtube_thumbnail(uri)
|
||||
end
|
||||
|
||||
def self.youtube_video_id(uri)
|
||||
case uri.host&.downcase
|
||||
when 'youtu.be'
|
||||
uri.path.split('/').reject(&:blank?).first
|
||||
when 'www.youtube.com', 'youtube.com', 'm.youtube.com'
|
||||
uri.path == '/watch' ? URI.decode_www_form(uri.query.to_s).to_h['v'] : nil
|
||||
end&.then { _1 if _1.match?(/\A[A-Za-z0-9_-]{6,20}\z/) }
|
||||
end
|
||||
|
||||
def self.niconico_video_id(uri)
|
||||
case uri.host&.downcase
|
||||
when 'www.nicovideo.jp', 'nicovideo.jp'
|
||||
@@ -14,14 +23,8 @@ module Preview
|
||||
end
|
||||
|
||||
def self.youtube_thumbnail(uri)
|
||||
id =
|
||||
case uri.host&.downcase
|
||||
when 'youtu.be'
|
||||
uri.path.split('/').reject(&:blank?).first
|
||||
when 'www.youtube.com', 'youtube.com', 'm.youtube.com'
|
||||
uri.path == '/watch' ? URI.decode_www_form(uri.query.to_s).to_h['v'] : nil
|
||||
end
|
||||
return unless id&.match?(/\A[A-Za-z0-9_-]{6,20}\z/)
|
||||
id = youtube_video_id(uri)
|
||||
return unless id
|
||||
|
||||
"https://i.ytimg.com/vi/#{ id }/hqdefault.jpg"
|
||||
end
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
module Preview
|
||||
class ThumbnailFetcher
|
||||
class GenerationFailed < StandardError; end
|
||||
ALLOWED_IMAGE_CONTENT_TYPES = [
|
||||
RASTER_IMAGE_CONTENT_TYPES = [
|
||||
'image/jpeg', 'image/png', 'image/gif', 'image/webp'
|
||||
].freeze
|
||||
HTML_MAX_BYTES = 1.megabyte
|
||||
@@ -25,6 +25,24 @@ module Preview
|
||||
fetch_image!(metadata[:image_url])
|
||||
end
|
||||
|
||||
def self.fetch_image_response(raw_url)
|
||||
uri, = UrlSafety.validate(raw_url)
|
||||
response = HttpFetcher.fetch(uri.to_s)
|
||||
unless Post.remote_thumbnail_image_bytes?(
|
||||
response.body,
|
||||
content_type: response.content_type)
|
||||
raise GenerationFailed, 'サムネール画像が見つかりませんでした．'
|
||||
end
|
||||
|
||||
response
|
||||
rescue HttpFetcher::FetchTimeout
|
||||
raise
|
||||
rescue HttpFetcher::ResponseTooLarge
|
||||
raise
|
||||
rescue HttpFetcher::FetchFailed
|
||||
raise GenerationFailed, 'サムネール画像を取得できませんでした．'
|
||||
end
|
||||
|
||||
def self.title(raw_url)
|
||||
uri, = UrlSafety.validate(raw_url)
|
||||
HtmlMetadataExtractor.extract(
|
||||
@@ -35,7 +53,9 @@ module Preview
|
||||
return nil if url.blank?
|
||||
|
||||
response = HttpFetcher.fetch(url)
|
||||
return nil unless allowed_image_content_type?(response.content_type)
|
||||
return nil unless Post.remote_thumbnail_image_bytes?(
|
||||
response.body,
|
||||
content_type: response.content_type)
|
||||
|
||||
response.body
|
||||
rescue HttpFetcher::FetchTimeout
|
||||
@@ -45,18 +65,7 @@ module Preview
|
||||
end
|
||||
|
||||
def self.fetch_image!(url)
|
||||
response = HttpFetcher.fetch(url)
|
||||
unless allowed_image_content_type?(response.content_type)
|
||||
raise GenerationFailed, 'サムネール画像が見つかりませんでした．'
|
||||
end
|
||||
|
||||
response.body
|
||||
rescue HttpFetcher::FetchTimeout
|
||||
raise
|
||||
rescue HttpFetcher::ResponseTooLarge
|
||||
raise
|
||||
rescue HttpFetcher::FetchFailed
|
||||
raise GenerationFailed, 'サムネール画像を取得できませんでした．'
|
||||
fetch_image_response(url).body
|
||||
end
|
||||
|
||||
def self.niconico_thumbnail_url(uri)
|
||||
@@ -70,26 +79,24 @@ module Preview
|
||||
|
||||
xml.at_xpath('//thumbnail_url')&.text&.strip.presence
|
||||
rescue HttpFetcher::FetchFailed, HttpFetcher::FetchTimeout => e
|
||||
Rails.logger.info("preview_niconico_getthumbinfo_fallback #{ { url: uri.to_s,
|
||||
video_id:,
|
||||
error: e.class.name,
|
||||
message: e.message }.to_json }")
|
||||
payload = {
|
||||
url: uri.to_s,
|
||||
video_id:,
|
||||
error: e.class.name,
|
||||
message: e.message }
|
||||
Rails.logger.info("preview_niconico_getthumbinfo_fallback #{ payload.to_json }")
|
||||
nil
|
||||
rescue Nokogiri::XML::SyntaxError => e
|
||||
Rails.logger.info("preview_niconico_getthumbinfo_fallback #{ { url: uri.to_s,
|
||||
video_id:,
|
||||
error: e.class.name,
|
||||
message: e.message }.to_json }")
|
||||
payload = {
|
||||
url: uri.to_s,
|
||||
video_id:,
|
||||
error: e.class.name,
|
||||
message: e.message }
|
||||
Rails.logger.info("preview_niconico_getthumbinfo_fallback #{ payload.to_json }")
|
||||
nil
|
||||
end
|
||||
|
||||
def self.allowed_image_content_type?(content_type)
|
||||
mime_type = content_type.to_s.split(';', 2).first.downcase.strip
|
||||
ALLOWED_IMAGE_CONTENT_TYPES.include?(mime_type)
|
||||
end
|
||||
|
||||
private_class_method :fetch_image_or_nil, :fetch_image!,
|
||||
:niconico_thumbnail_url,
|
||||
:allowed_image_content_type?
|
||||
:niconico_thumbnail_url
|
||||
end
|
||||
end
|
||||
|
||||
@@ -1,4 +1,3 @@
|
||||
require 'open-uri'
|
||||
require 'set'
|
||||
require 'time'
|
||||
|
||||
@@ -127,12 +126,12 @@ module Youtube
|
||||
return if post.thumbnail.attached?
|
||||
return if thumbnail_url.blank?
|
||||
|
||||
post.thumbnail.attach(
|
||||
io: URI.open(thumbnail_url),
|
||||
filename: File.basename(URI.parse(thumbnail_url).path),
|
||||
content_type: 'image/jpeg')
|
||||
|
||||
post.resized_thumbnail!
|
||||
post.attach_thumbnail_from_url!(thumbnail_url)
|
||||
rescue Post::RemoteThumbnailFetchFailed => e
|
||||
Rails.logger.info("youtube_sync_thumbnail_fetch_failed #{ { post_id: post.id,
|
||||
thumbnail_url:,
|
||||
error: e.class.name,
|
||||
message: e.message }.to_json }")
|
||||
end
|
||||
|
||||
def youtube_url_regexp id
|
||||
|
||||
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