Adds the option to override project description on export via API

and fixes the project description not being imported

app/models/project.rb

@@ -1519,8 +1519,8 @@ class Project < ActiveRecord::Base
     @errors = original_errors
   end
 
-  def add_export_job(current_user:)
-    job_id = ProjectExportWorker.perform_async(current_user.id, self.id)
+  def add_export_job(current_user:, params: {})
+    job_id = ProjectExportWorker.perform_async(current_user.id, self.id, params)
 
     if job_id
       Rails.logger.info "Export job started for project ID #{self.id} with job ID #{job_id}"

app/services/projects/import_export/export_service.rb

@@ -26,7 +26,7 @@ module Projects
       end
 
       def project_tree_saver
-        Gitlab::ImportExport::ProjectTreeSaver.new(project: project, current_user: @current_user, shared: @shared)
+        Gitlab::ImportExport::ProjectTreeSaver.new(project: project, current_user: @current_user, shared: @shared, params: @params)
       end
 
       def uploads_saver

app/workers/project_export_worker.rb

@@ -4,10 +4,11 @@ class ProjectExportWorker
 
   sidekiq_options retry: 3
 
-  def perform(current_user_id, project_id)
+  def perform(current_user_id, project_id, params = {})
+    params = params.with_indifferent_access
     current_user = User.find(current_user_id)
     project = Project.find(project_id)
 
-    ::Projects::ImportExport::ExportService.new(project, current_user).execute
+    ::Projects::ImportExport::ExportService.new(project, current_user, params).execute
   end
 end

changelogs/unreleased/41902-add-api-option-to-overwrite-project-description-on-project-export.yml

+---
+title: Adds the option to the project export API to override the project description and display GitLab export description once imported
+merge_request: 17744
+author:
+type: added

doc/api/project_import_export.md

@@ -15,9 +15,10 @@ POST /projects/:id/export
 | Attribute | Type           | Required | Description                              |
 | --------- | -------------- | -------- | ---------------------------------------- |
 | `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
+| `description`      | string | no | Overrides the project description |
 
 ```console
-curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/1/export
+curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" --form "description=Foo Bar" https://gitlab.example.com/api/v4/projects/1/export
 ```
 
 ```json

lib/api/project_export.rb

@@ -31,8 +31,13 @@ module API
       desc 'Start export' do
         detail 'This feature was introduced in GitLab 10.6.'
       end
+      params do
+        optional :description, type: String, desc: 'Override the project description'
+      end
       post ':id/export' do
-        user_project.add_export_job(current_user: current_user)
+        project_export_params = declared_params(include_missing: false)
+
+        user_project.add_export_job(current_user: current_user, params: project_export_params)
 
         accepted!
       end

lib/gitlab/import_export/project_tree_restorer.rb

@@ -35,6 +35,8 @@ module Gitlab
       end
 
       def restored_project
+        return @project unless @tree_hash
+
         @restored_project ||= restore_project
       end
 
@@ -81,9 +83,13 @@ module Gitlab
       end
 
       def restore_project
-        return @project unless @tree_hash
+        params = project_params
+
+        if params[:description].present?
+          params[:description_html] = nil
+        end
 
-        @project.update_columns(project_params)
+        @project.update_columns(params)
         @project
       end
 

lib/gitlab/import_export/project_tree_saver.rb

@@ -5,7 +5,8 @@ module Gitlab
 
       attr_reader :full_path
 
-      def initialize(project:, current_user:, shared:)
+      def initialize(project:, current_user:, shared:, params: {})
+        @params = params
         @project = project
         @current_user = current_user
         @shared = shared
@@ -25,6 +26,10 @@ module Gitlab
       private
 
       def project_json_tree
+        if @params[:description].present?
+          project_json['description'] = @params[:description]
+        end
+
         project_json['project_members'] += group_members_json
 
         project_json.to_json

spec/features/projects/import_export/import_file_spec.rb

@@ -41,6 +41,7 @@ feature 'Import/Export - project import integration test', :js do
 
         project = Project.last
         expect(project).not_to be_nil
+        expect(project.description).to eq("Foo Bar")
         expect(project.issues).not_to be_empty
         expect(project.merge_requests).not_to be_empty
         expect(project_hook_exists?(project)).to be true

spec/lib/gitlab/import_export/project_tree_restorer_spec.rb

@@ -42,6 +42,10 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
         expect(project.project_feature.merge_requests_access_level).to eq(ProjectFeature::ENABLED)
       end
 
+      it 'has the project description' do
+        expect(Project.find_by_path('project').description).to eq('Nisi et repellendus ut enim quo accusamus vel magnam.')
+      end
+
       it 'has the project html description' do
         expect(Project.find_by_path('project').description_html).to eq('description')
       end

spec/lib/gitlab/import_export/project_tree_saver_spec.rb

@@ -29,8 +29,17 @@ describe Gitlab::ImportExport::ProjectTreeSaver do
         project_json(project_tree_saver.full_path)
       end
 
+      context 'with description override' do
+        let(:params) { { description: 'Foo Bar' } }
+        let(:project_tree_saver) { described_class.new(project: project, current_user: user, shared: shared, params: params) }
+
+        it 'overrides the project description' do
+          expect(saved_project_json).to include({ 'description' => params[:description] })
+        end
+      end
+
       it 'saves the correct json' do
-        expect(saved_project_json).to include({ "visibility_level" => 20 })
+        expect(saved_project_json).to include({ 'description' => 'description', 'visibility_level' => 20 })
       end
 
       it 'has milestones' do
@@ -259,6 +268,7 @@ describe Gitlab::ImportExport::ProjectTreeSaver do
                      :issues_disabled,
                      :wiki_enabled,
                      :builds_private,
+                     description: 'description',
                      issues: [issue],
                      snippets: [snippet],
                      releases: [release],

spec/requests/api/project_export_spec.rb

@@ -285,6 +285,17 @@ describe API::ProjectExport do
       context 'when user is not a member' do
         it_behaves_like 'post project export start not found'
       end
+
+      context 'when overriding description' do
+        it 'starts' do
+          params = { description: "Foo" }
+
+          expect_any_instance_of(Projects::ImportExport::ExportService).to receive(:execute)
+          post api(path, project.owner), params
+
+          expect(response).to have_gitlab_http_status(202)
+        end
+      end
     end
   end
 end