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module Gitlab
module GithubImport
class Importer
include Gitlab::ShellAdapter
attr_reader :project, :client
def initialize(project)
@project = project
if import_data_credentials
@client = Client.new(import_data_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_issues && import_pull_requests && import_wiki
end
private
def import_data_credentials
@import_data_credentials ||= project.import_data.credentials if project.import_data
end
def import_issues
client.list_issues(project.import_source, state: :all,
sort: :created,
direction: :asc).each do |raw_data|
gh_issue = IssueFormatter.new(project, raw_data)
if gh_issue.valid?
issue = Issue.create!(gh_issue.attributes)
if gh_issue.has_comments?
import_comments(gh_issue.number, issue)
end
end
end
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_pull_requests
client.pull_requests(project.import_source, state: :all,
sort: :created,
direction: :asc).each do |raw_data|
pull_request = PullRequestFormatter.new(project, raw_data)
if pull_request.valid?
merge_request = MergeRequest.new(pull_request.attributes)
if merge_request.save
import_comments(pull_request.number, merge_request)
import_comments_on_diff(pull_request.number, merge_request)
end
end
end
true
rescue ActiveRecord::RecordInvalid => e
raise Projects::ImportService::Error, e.message
end
def import_comments(issue_number, noteable)
comments = client.issue_comments(project.import_source, issue_number)
create_comments(comments, noteable)
end
def import_comments_on_diff(pull_request_number, merge_request)
comments = client.pull_request_comments(project.import_source, pull_request_number)
create_comments(comments, merge_request)
end
def create_comments(comments, noteable)
comments.each do |raw_data|
comment = CommentFormatter.new(project, raw_data)
noteable.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
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