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|
module Gitlab
module GithubImport
class Importer
include Gitlab::ShellAdapter
attr_reader :client, :project, :repo, :repo_url
def initialize(project)
@project = project
@repo = project.import_source
@repo_url = project.import_url
if credentials
@client = Client.new(credentials[:user])
@formatter = Gitlab::ImportFormatter.new
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_wiki
end
private
def credentials
@credentials ||= project.import_data.credentials if project.import_data
end
def import_labels
labels = client.labels(repo, per_page: 100)
labels.each { |raw| LabelFormatter.new(project, raw).create! }
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_milestones
milestones = client.milestones(repo, state: :all, per_page: 100)
milestones.each { |raw| MilestoneFormatter.new(project, raw).create! }
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_issues
issues = client.issues(repo, state: :all, sort: :created, direction: :asc, per_page: 100)
issues.each do |raw|
gh_issue = IssueFormatter.new(project, raw)
if gh_issue.valid?
issue = gh_issue.create!
apply_labels(issue)
import_comments(issue) if gh_issue.has_comments?
end
end
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_pull_requests
hooks = client.hooks(repo).map { |raw| HookFormatter.new(raw) }.select(&:valid?)
disable_webhooks(hooks)
pull_requests = client.pull_requests(repo, state: :all, sort: :created, direction: :asc, per_page: 100)
pull_requests = pull_requests.map { |raw| PullRequestFormatter.new(project, raw) }.select(&:valid?)
source_branches_removed = pull_requests.reject(&:source_branch_exists?).map { |pr| [pr.source_branch_name, pr.source_branch_sha] }
target_branches_removed = pull_requests.reject(&:target_branch_exists?).map { |pr| [pr.target_branch_name, pr.target_branch_sha] }
branches_removed = source_branches_removed | target_branches_removed
restore_branches(branches_removed)
pull_requests.each do |pull_request|
merge_request = pull_request.create!
apply_labels(merge_request)
import_comments(merge_request)
import_comments_on_diff(merge_request)
end
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
ensure
clean_up_restored_branches(branches_removed)
clean_up_disabled_webhooks(hooks)
end
def disable_webhooks(hooks)
update_webhooks(hooks, active: false)
end
def clean_up_disabled_webhooks(hooks)
update_webhooks(hooks, active: true)
end
def update_webhooks(hooks, options)
hooks.each do |hook|
client.edit_hook(repo, hook.id, hook.name, hook.config, options)
end
end
def restore_branches(branches)
branches.each do |name, sha|
client.create_ref(repo, "refs/heads/#{name}", sha)
end
project.repository.fetch_ref(repo_url, '+refs/heads/*', 'refs/heads/*')
end
def clean_up_restored_branches(branches)
branches.each do |name, _|
client.delete_ref(repo, "heads/#{name}")
project.repository.rm_branch(project.creator, name)
end
end
def apply_labels(issuable)
issue = client.issue(repo, issuable.iid)
if issue.labels.count > 0
label_ids = issue.labels.map do |raw|
Label.find_by(LabelFormatter.new(project, raw).attributes).try(:id)
end
issuable.update_attribute(:label_ids, label_ids)
end
end
def import_comments(issuable)
comments = client.issue_comments(repo, issuable.iid, per_page: 100)
create_comments(issuable, comments)
end
def import_comments_on_diff(merge_request)
comments = client.pull_request_comments(repo, merge_request.iid, per_page: 100)
create_comments(merge_request, comments)
end
def create_comments(issuable, comments)
comments.each do |raw|
comment = CommentFormatter.new(project, raw)
issuable.notes.create!(comment.attributes)
end
end
def import_wiki
unless project.wiki_enabled?
wiki = WikiFormatter.new(project)
gitlab_shell.import_repository(wiki.path_with_namespace, wiki.import_url)
project.update_attribute(:wiki_enabled, true)
end
true
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/
raise Projects::ImportService::Error, e.message
else
true
end
end
end
end
end
|
