WIP: Add support for Bitbucket Server imports

3 files changed, 103 insertions, 2 deletions

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 21cc6dfdd16..f864fbcaa43 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -30,7 +30,7 @@ class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception, prepend: true
 
   helper_method :can?
-  helper_method :import_sources_enabled?, :github_import_enabled?, :gitea_import_enabled?, :github_import_configured?, :gitlab_import_enabled?, :gitlab_import_configured?, :bitbucket_import_enabled?, :bitbucket_import_configured?, :google_code_import_enabled?, :fogbugz_import_enabled?, :git_import_enabled?, :gitlab_project_import_enabled?
+  helper_method :import_sources_enabled?, :github_import_enabled?, :gitea_import_enabled?, :github_import_configured?, :gitlab_import_enabled?, :gitlab_import_configured?, :bitbucket_import_enabled?, :bitbucket_import_configured?, :google_code_import_enabled?, :fogbugz_import_enabled?, :git_import_enabled?, :gitlab_project_import_enabled?, :bitbucket_server_import_enabled?
 
   rescue_from Encoding::CompatibilityError do |exception|
     log_exception(exception)
@@ -307,6 +307,10 @@ class ApplicationController < ActionController::Base
     !Gitlab::CurrentSettings.import_sources.empty?
   end
 
+  def bitbucket_server_import_enabled?
+    Gitlab::CurrentSettings.import_sources.include?('bitbucket_server')
+  end
+
   def github_import_enabled?
     Gitlab::CurrentSettings.import_sources.include?('github')
   end
diff --git a/app/controllers/import/bitbucket_server_controller.rb b/app/controllers/import/bitbucket_server_controller.rb
new file mode 100644
index 00000000000..3662708c890
--- /dev/null
+++ b/app/controllers/import/bitbucket_server_controller.rb
@@ -0,0 +1,92 @@
+class Import::BitbucketServerController < Import::BaseController
+  before_action :verify_bitbucket_server_import_enabled
+  before_action :bitbucket_auth, except: [:new, :configure]
+
+  def new
+  end
+
+  def create
+    bitbucket_client = BitbucketServer::Client.new(credentials)
+
+    repo_id = params[:repo_id].to_s
+    # XXX must be a better way
+    project_slug, repo_slug = repo_id.split("___")
+    repo = bitbucket_client.repo(project_slug, repo_slug)
+    project_name = params[:new_name].presence || repo.name
+
+    repo_owner = repo.owner
+    repo_owner = current_user.username if repo_owner == bitbucket_client.user.username
+    namespace_path = params[:new_namespace].presence || repo_owner
+    target_namespace = find_or_create_namespace(namespace_path, current_user)
+
+    if current_user.can?(:create_projects, target_namespace)
+      project = Gitlab::BitbucketImport::ProjectCreator.new(repo, project_name, target_namespace, current_user, credentials).execute
+
+      if project.persisted?
+        render json: ProjectSerializer.new.represent(project)
+      else
+        render json: { errors: project_save_error(project) }, status: :unprocessable_entity
+      end
+    else
+      render json: { errors: 'This namespace has already been taken! Please choose another one.' }, status: :unprocessable_entity
+    end
+  end
+
+  def configure
+    session[personal_access_token_key] = params[:personal_access_token]
+    session[bitbucket_server_username_key] = params[:bitbucket_username]
+    session[bitbucket_server_url_key] = params[:bitbucket_server_url]
+
+    redirect_to status_import_bitbucket_server_path
+  end
+
+  def status
+    bitbucket_client = BitbucketServer::Client.new(credentials)
+    repos = bitbucket_client.repos
+
+    @repos, @incompatible_repos = repos.partition { |repo| repo.valid? }
+
+    @already_added_projects = find_already_added_projects('bitbucket_server')
+    already_added_projects_names = @already_added_projects.pluck(:import_source)
+
+    @repos.to_a.reject! { |repo| already_added_projects_names.include?(repo.full_name) }
+  end
+
+  def jobs
+    render json: find_jobs('bitbucket_server')
+  end
+
+  private
+
+  def bitbucket_auth
+    unless session[bitbucket_server_url_key].present? &&
+           session[bitbucket_server_username_key].present? &&
+           session[personal_access_token_key].present?
+      redirect_to new_import_bitbucket_server_path
+    end
+  end
+
+  def verify_bitbucket_server_import_enabled
+    render_404 unless bitbucket_server_import_enabled?
+  end
+
+  def bitbucket_server_url_key
+    :bitbucket_server_url
+  end
+
+  def bitbucket_server_username_key
+    :bitbucket_server_username
+  end
+
+  def personal_access_token_key
+    :bitbucket_server_personal_access_token
+  end
+
+  def credentials
+    {
+      base_uri: session[bitbucket_server_url_key],
+      username: session[bitbucket_server_username_key],
+      personal_access_token: session[personal_access_token_key]
+    }
+  end
+end
diff --git a/app/views/projects/_import_project_pane.html.haml b/app/views/projects/_import_project_pane.html.haml
index 8f535b9d789..ccb724a3b0f 100644
--- a/app/views/projects/_import_project_pane.html.haml
+++ b/app/views/projects/_import_project_pane.html.haml
@@ -17,10 +17,15 @@
       %div
         - if bitbucket_import_enabled?
           = link_to status_import_bitbucket_path, class: "btn import_bitbucket #{'how_to_import_link' unless bitbucket_import_configured?}" do
-            = icon('bitbucket', text: 'Bitbucket')
+            = icon('bitbucket', text: 'Bitbucket Cloud')
           - unless bitbucket_import_configured?
             = render 'bitbucket_import_modal'
       %div
+        - if bitbucket_server_import_enabled?
+          = link_to status_import_bitbucket_server_path, class: "btn import_bitbucket" do
+            = icon('bitbucket', text: 'Bitbucket Server')
+            = render 'bitbucket_import_modal'
+      %div
         - if gitlab_import_enabled?
           = link_to status_import_gitlab_path, class: "btn import_gitlab #{'how_to_import_link' unless gitlab_import_configured?}" do
             = icon('gitlab', text: 'GitLab.com')