diff options
Diffstat (limited to 'lib/gitlab/bitbucket_server_import/importer.rb')
| -rw-r--r-- | lib/gitlab/bitbucket_server_import/importer.rb | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/lib/gitlab/bitbucket_server_import/importer.rb b/lib/gitlab/bitbucket_server_import/importer.rb new file mode 100644 index 00000000000..d85e2ae2ca7 --- /dev/null +++ b/lib/gitlab/bitbucket_server_import/importer.rb @@ -0,0 +1,247 @@ +module Gitlab + module BitbucketServerImport + 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 = BitbucketServer::Client.new(project.import_data.credentials) + @formatter = Gitlab::ImportFormatter.new + @labels = {} + @errors = [] + @users = {} + end + + def execute + 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_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 BitbucketServer 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 |