gitlab-org--gitlab-foss/lib/gitlab/bitbucket_import/importer.rb
2018-04-03 16:22:13 +02:00

258 lines
8.8 KiB
Ruby

module Gitlab
module BitbucketImport
class Importer
include Gitlab::ShellAdapter
LABELS = [{ title: 'bug', color: '#FF0000' },
{ title: 'enhancement', color: '#428BCA' },
{ title: 'proposal', color: '#69D100' },
{ title: 'task', color: '#7F8C8D' }].freeze
attr_reader :project, :client, :errors, :users
def initialize(project)
@project = project
@client = Bitbucket::Client.new(project.import_data.credentials)
@formatter = Gitlab::ImportFormatter.new
@labels = {}
@errors = []
@users = {}
end
def execute
import_wiki
import_issues
import_pull_requests
handle_errors
true
end
private
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 gitlab_user_id(project, username)
find_user_id(username) || project.creator_id
end
def find_user_id(username)
return nil unless username
return users[username] if users.key?(username)
users[username] = User.select(:id)
.joins(:identities)
.find_by("identities.extern_uid = ? AND identities.provider = 'bitbucket'", username)
.try(:id)
end
def repo
@repo ||= client.repo(project.import_source)
end
def import_wiki
return if project.wiki.repository_exists?
disk_path = project.wiki.disk_path
import_url = project.import_url.sub(/\.git\z/, ".git/wiki")
gitlab_shell.import_repository(project.repository_storage, disk_path, import_url)
rescue StandardError => e
errors << { type: :wiki, errors: e.message }
end
def import_issues
return unless repo.issues_enabled?
create_labels
client.issues(repo).each do |issue|
begin
description = ''
description += @formatter.author_line(issue.author) unless find_user_id(issue.author)
description += issue.description
label_name = issue.kind
milestone = issue.milestone ? project.milestones.find_or_create_by(title: issue.milestone) : nil
gitlab_issue = project.issues.create!(
iid: issue.iid,
title: issue.title,
description: description,
state: issue.state,
author_id: gitlab_user_id(project, issue.author),
milestone: milestone,
created_at: issue.created_at,
updated_at: issue.updated_at
)
gitlab_issue.labels << @labels[label_name]
import_issue_comments(issue, gitlab_issue) if gitlab_issue.persisted?
rescue StandardError => e
errors << { type: :issue, iid: issue.iid, errors: e.message }
end
end
end
def import_issue_comments(issue, gitlab_issue)
client.issue_comments(repo, issue.iid).each do |comment|
# The note can be blank for issue service messages like "Changed title: ..."
# We would like to import those comments as well but there is no any
# specific parameter that would allow to process them, it's just an empty comment.
# To prevent our importer from just crashing or from creating useless empty comments
# we do this check.
next unless comment.note.present?
note = ''
note += @formatter.author_line(comment.author) unless find_user_id(comment.author)
note += comment.note
begin
gitlab_issue.notes.create!(
project: project,
note: note,
author_id: gitlab_user_id(project, comment.author),
created_at: comment.created_at,
updated_at: comment.updated_at
)
rescue StandardError => e
errors << { type: :issue_comment, iid: issue.iid, errors: e.message }
end
end
end
def create_labels
LABELS.each do |label_params|
label = ::Labels::CreateService.new(label_params).execute(project: project)
if label.valid?
@labels[label_params[:title]] = label
else
raise "Failed to create label \"#{label_params[:title]}\" for project \"#{project.full_name}\""
end
end
end
def import_pull_requests
pull_requests = client.pull_requests(repo)
pull_requests.each do |pull_request|
begin
description = ''
description += @formatter.author_line(pull_request.author) unless find_user_id(pull_request.author)
description += pull_request.description
source_branch_sha = pull_request.source_branch_sha
target_branch_sha = pull_request.target_branch_sha
source_branch_sha = project.repository.commit(source_branch_sha)&.sha || source_branch_sha
target_branch_sha = project.repository.commit(target_branch_sha)&.sha || target_branch_sha
merge_request = project.merge_requests.create!(
iid: pull_request.iid,
title: pull_request.title,
description: description,
source_project: project,
source_branch: pull_request.source_branch_name,
source_branch_sha: source_branch_sha,
target_project: project,
target_branch: pull_request.target_branch_name,
target_branch_sha: target_branch_sha,
state: pull_request.state,
author_id: gitlab_user_id(project, pull_request.author),
assignee_id: nil,
created_at: pull_request.created_at,
updated_at: pull_request.updated_at
)
import_pull_request_comments(pull_request, merge_request) if merge_request.persisted?
rescue StandardError => e
errors << { type: :pull_request, iid: pull_request.iid, errors: e.message, trace: e.backtrace.join("\n"), raw_response: pull_request.raw }
end
end
end
def import_pull_request_comments(pull_request, merge_request)
comments = client.pull_request_comments(repo, pull_request.iid)
inline_comments, pr_comments = comments.partition(&:inline?)
import_inline_comments(inline_comments, pull_request, merge_request)
import_standalone_pr_comments(pr_comments, merge_request)
end
def import_inline_comments(inline_comments, pull_request, merge_request)
line_code_map = {}
children, parents = inline_comments.partition(&:has_parent?)
# The Bitbucket API returns threaded replies as parent-child
# relationships. We assume that the child can appear in any order in
# the JSON.
parents.each do |comment|
line_code_map[comment.iid] = generate_line_code(comment)
end
children.each do |comment|
line_code_map[comment.iid] = line_code_map.fetch(comment.parent_id, nil)
end
inline_comments.each do |comment|
begin
attributes = pull_request_comment_attributes(comment)
attributes.merge!(
position: build_position(merge_request, comment),
line_code: line_code_map.fetch(comment.iid),
type: 'DiffNote')
merge_request.notes.create!(attributes)
rescue StandardError => e
errors << { type: :pull_request, iid: comment.iid, errors: e.message }
end
end
end
def build_position(merge_request, pr_comment)
params = {
diff_refs: merge_request.diff_refs,
old_path: pr_comment.file_path,
new_path: pr_comment.file_path,
old_line: pr_comment.old_pos,
new_line: pr_comment.new_pos
}
Gitlab::Diff::Position.new(params)
end
def import_standalone_pr_comments(pr_comments, merge_request)
pr_comments.each do |comment|
begin
merge_request.notes.create!(pull_request_comment_attributes(comment))
rescue StandardError => e
errors << { type: :pull_request, iid: comment.iid, errors: e.message }
end
end
end
def generate_line_code(pr_comment)
Gitlab::Git.diff_line_code(pr_comment.file_path, pr_comment.new_pos, pr_comment.old_pos)
end
def pull_request_comment_attributes(comment)
{
project: project,
note: comment.note,
author_id: gitlab_user_id(project, comment.author),
created_at: comment.created_at,
updated_at: comment.updated_at
}
end
end
end
end