134 lines
4.3 KiB
Ruby
134 lines
4.3 KiB
Ruby
# frozen_string_literal: true
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module Snippets
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class UpdateService < Snippets::BaseService
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COMMITTABLE_ATTRIBUTES = %w(file_name content).freeze
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UpdateError = Class.new(StandardError)
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def execute(snippet)
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return invalid_params_error(snippet) unless valid_params?
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if visibility_changed?(snippet) && !visibility_allowed?(snippet, visibility_level)
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return forbidden_visibility_error(snippet)
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end
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update_snippet_attributes(snippet)
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spam_check(snippet, current_user, action: :update)
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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 visibility_changed?(snippet)
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visibility_level && visibility_level.to_i != snippet.visibility_level
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end
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def update_snippet_attributes(snippet)
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# We can remove the following condition once
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# https://gitlab.com/gitlab-org/gitlab/-/issues/217801
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# is implemented.
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# Once we can perform different operations through this service
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# we won't need to keep track of the `content` and `file_name` fields
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#
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# If the repository does not exist we don't need to update `params`
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# because we need to commit the information from the database
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if snippet_actions.any? && snippet.repository_exists?
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params[:content] = snippet_actions[0].content if snippet_actions[0].content
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params[:file_name] = snippet_actions[0].file_path
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end
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snippet.assign_attributes(params)
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end
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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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unless snippet.repository_exists?
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create_repository_for(snippet)
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create_first_commit_using_db_data(snippet)
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end
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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 but re-assign changes so they're not lost
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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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snippet.assign_attributes(params)
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end
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add_snippet_repository_error(snippet: snippet, error: e)
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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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delete_repository(snippet) if repository_empty?(snippet)
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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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# If the user provides `snippet_actions` and the repository
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# does not exist, we need to commit first the snippet info stored
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# in the database. Mostly because the content inside `snippet_actions`
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# would assume that the file is already in the repository.
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def create_first_commit_using_db_data(snippet)
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return if snippet_actions.empty?
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attrs = commit_attrs(snippet, INITIAL_COMMIT_MSG)
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actions = [{ file_path: snippet.file_name, content: snippet.content }]
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snippet.snippet_repository.multi_files_action(current_user, actions, attrs)
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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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attrs = commit_attrs(snippet, UPDATE_COMMIT_MSG)
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snippet.snippet_repository.multi_files_action(current_user, files_to_commit(snippet), attrs)
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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? || snippet_actions.any?
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end
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def build_actions_from_params(snippet)
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file_name_on_repo = snippet.file_name_on_repo
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[{ previous_path: file_name_on_repo,
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file_path: params[:file_name] || file_name_on_repo,
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content: params[:content] }]
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end
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end
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end
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