109 lines
3.1 KiB
Ruby
109 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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module Snippets
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class UpdateService < Snippets::BaseService
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include SpamCheckMethods
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COMMITTABLE_ATTRIBUTES = %w(file_name content).freeze
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UpdateError = Class.new(StandardError)
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CreateRepositoryError = Class.new(StandardError)
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def execute(snippet)
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# check that user is allowed to set specified visibility_level
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new_visibility = visibility_level
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if new_visibility && new_visibility.to_i != snippet.visibility_level
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unless Gitlab::VisibilityLevel.allowed_for?(current_user, new_visibility)
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deny_visibility_level(snippet, new_visibility)
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return snippet_error_response(snippet, 403)
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end
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end
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filter_spam_check_params
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snippet.assign_attributes(params)
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spam_check(snippet, current_user)
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if save_and_commit(snippet)
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Gitlab::UsageDataCounters::SnippetCounter.count(:update)
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ServiceResponse.success(payload: { snippet: snippet } )
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else
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snippet_error_response(snippet, 400)
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end
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end
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private
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def save_and_commit(snippet)
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return false unless snippet.save
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# If the updated attributes does not need to update
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# the repository we can just return
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return true unless committable_attributes?
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create_repository_for(snippet)
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create_commit(snippet)
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true
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rescue => e
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# Restore old attributes
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unless snippet.previous_changes.empty?
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snippet.previous_changes.each { |attr, value| snippet[attr] = value[0] }
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snippet.save
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end
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snippet.errors.add(:repository, 'Error updating the snippet')
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log_error(e.message)
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# If the commit action failed we remove it because
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# we don't want to leave empty repositories
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# around, to allow cloning them.
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if repository_empty?(snippet)
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snippet.repository.remove
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snippet.snippet_repository&.delete
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end
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# Purge any existing value for repository_exists?
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snippet.repository.expire_exists_cache
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false
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end
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def create_repository_for(snippet)
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snippet.create_repository
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raise CreateRepositoryError, 'Repository could not be created' unless snippet.repository_exists?
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end
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def create_commit(snippet)
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raise UpdateError unless snippet.snippet_repository
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commit_attrs = {
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branch_name: 'master',
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message: 'Update snippet'
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}
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snippet.snippet_repository.multi_files_action(current_user, snippet_files(snippet), commit_attrs)
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end
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def snippet_files(snippet)
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[{ previous_path: snippet.file_name_on_repo,
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file_path: params[:file_name],
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content: params[:content] }]
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end
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# Because we are removing repositories we don't want to remove
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# any existing repository with data. Therefore, we cannot
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# rely on cached methods for that check in order to avoid losing
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# data.
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def repository_empty?(snippet)
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snippet.repository._uncached_exists? && !snippet.repository._uncached_has_visible_content?
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end
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def committable_attributes?
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(params.stringify_keys.keys & COMMITTABLE_ATTRIBUTES).present?
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end
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end
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end
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