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|
module Gitlab
module GithubImport
class Importer
include Gitlab::ShellAdapter
attr_reader :client, :errors, :project, :repo, :repo_url
def initialize(project)
@project = project
@repo = project.import_source
@repo_url = project.import_url
@errors = []
@labels = {}
if credentials
@client = Client.new(credentials[:user])
else
raise Projects::ImportService::Error, "Unable to find project import data credentials for project ID: #{@project.id}"
end
end
def execute
import_labels
import_milestones
import_issues
import_pull_requests
import_comments
import_wiki
import_releases
handle_errors
true
end
private
def credentials
@credentials ||= project.import_data.credentials if project.import_data
end
def handle_errors
return unless errors.any?
project.update_column(:import_error, {
message: 'The remote data could not be fully imported.',
errors: errors
}.to_json)
end
def import_labels
client.labels(repo, per_page: 100) do |labels|
labels.each do |raw|
begin
label = LabelFormatter.new(project, raw).create!
@labels[label.title] = label.id
rescue => e
errors << { type: :label, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
end
end
def import_milestones
client.milestones(repo, state: :all, per_page: 100) do |milestones|
milestones.each do |raw|
begin
MilestoneFormatter.new(project, raw).create!
rescue => e
errors << { type: :milestone, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
end
end
def import_issues
client.issues(repo, state: :all, sort: :created, direction: :asc, per_page: 100) do |issues|
issues.each do |raw|
gh_issue = IssueFormatter.new(project, raw)
if gh_issue.valid?
begin
issue = gh_issue.create!
apply_labels(issue, raw)
rescue => e
errors << { type: :issue, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
end
end
end
def import_pull_requests
client.pull_requests(repo, state: :all, sort: :created, direction: :asc, per_page: 100) do |pull_requests|
pull_requests.each do |raw|
pull_request = PullRequestFormatter.new(project, raw)
next unless pull_request.valid?
begin
restore_source_branch(pull_request) unless pull_request.source_branch_exists?
restore_target_branch(pull_request) unless pull_request.target_branch_exists?
merge_request = pull_request.create!
apply_labels(merge_request, raw)
rescue => e
errors << { type: :pull_request, url: Gitlab::UrlSanitizer.sanitize(pull_request.url), errors: e.message }
ensure
clean_up_restored_branches(pull_request)
end
end
end
project.repository.after_remove_branch
end
def restore_source_branch(pull_request)
project.repository.fetch_ref(repo_url, "pull/#{pull_request.number}/head", pull_request.source_branch_name)
end
def restore_target_branch(pull_request)
project.repository.create_branch(pull_request.target_branch_name, pull_request.target_branch_sha)
end
def remove_branch(name)
project.repository.delete_branch(name)
rescue Rugged::ReferenceError
errors << { type: :remove_branch, name: name }
end
def clean_up_restored_branches(pull_request)
remove_branch(pull_request.source_branch_name) unless pull_request.source_branch_exists?
remove_branch(pull_request.target_branch_name) unless pull_request.target_branch_exists?
end
def apply_labels(issuable, raw_issuable)
# GH returns labels for issues but not for pull requests!
labels = if issuable.is_a?(MergeRequest)
client.labels_for_issue(repo, raw_issuable.number)
else
raw_issuable.labels
end
if labels.count > 0
label_ids = labels
.map { |attrs| @labels[attrs.name] }
.compact
issuable.update_attribute(:label_ids, label_ids)
end
end
def import_comments
client.issues_comments(repo, per_page: 100) do |comments|
create_comments(comments, :issue)
end
client.pull_requests_comments(repo, per_page: 100) do |comments|
create_comments(comments, :pull_request)
end
end
def create_comments(comments, issuable_type)
ActiveRecord::Base.no_touching do
comments.each do |raw|
begin
comment = CommentFormatter.new(project, raw)
issuable_class = issuable_type == :issue ? Issue : MergeRequest
iid = raw.send("#{issuable_type}_url").split('/').last # GH doesn't return parent ID directly
issuable = issuable_class.find_by_iid(iid)
next unless issuable
issuable.notes.create!(comment.attributes)
rescue => e
errors << { type: :comment, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
end
end
def import_wiki
unless project.wiki.repository_exists?
wiki = WikiFormatter.new(project)
gitlab_shell.import_repository(project.repository_storage_path, wiki.path_with_namespace, wiki.import_url)
end
rescue Gitlab::Shell::Error => e
# GitHub error message when the wiki repo has not been created,
# this means that repo has wiki enabled, but have no pages. So,
# we can skip the import.
if e.message !~ /repository not exported/
errors << { type: :wiki, errors: e.message }
end
end
def import_releases
client.releases(repo, per_page: 100) do |releases|
releases.each do |raw|
begin
gh_release = ReleaseFormatter.new(project, raw)
gh_release.create! if gh_release.valid?
rescue => e
errors << { type: :release, url: Gitlab::UrlSanitizer.sanitize(raw.url), errors: e.message }
end
end
end
end
end
end
end
|
