diff --git a/app/assets/javascripts/importer_status.js b/app/assets/javascripts/importer_status.js
index 1dc70872d92b065779b352f712ab149d08904f27..134a503864ea739a4fb4825393b8db9f8545ef69 100644
--- a/app/assets/javascripts/importer_status.js
+++ b/app/assets/javascripts/importer_status.js
@@ -1,3 +1,7 @@
+import { __ } from './locale';
+import axios from './lib/utils/axios_utils';
+import flash from './flash';
+
 class ImporterStatus {
   constructor(jobsUrl, importUrl) {
     this.jobsUrl = jobsUrl;
@@ -9,29 +13,7 @@ class ImporterStatus {
   initStatusPage() {
     $('.js-add-to-import')
       .off('click')
-      .on('click', (event) => {
-        const $btn = $(event.currentTarget);
-        const $tr = $btn.closest('tr');
-        const $targetField = $tr.find('.import-target');
-        const $namespaceInput = $targetField.find('.js-select-namespace option:selected');
-        const id = $tr.attr('id').replace('repo_', '');
-        let targetNamespace;
-        let newName;
-        if ($namespaceInput.length > 0) {
-          targetNamespace = $namespaceInput[0].innerHTML;
-          newName = $targetField.find('#path').prop('value');
-          $targetField.empty().append(`${targetNamespace}/${newName}`);
-        }
-        $btn.disable().addClass('is-loading');
-
-        return $.post(this.importUrl, {
-          repo_id: id,
-          target_namespace: targetNamespace,
-          new_name: newName,
-        }, {
-          dataType: 'script',
-        });
-      });
+      .on('click', this.addToImport.bind(this));
 
     $('.js-import-all')
       .off('click')
@@ -44,6 +26,39 @@ class ImporterStatus {
       });
   }
 
+  addToImport(event) {
+    const $btn = $(event.currentTarget);
+    const $tr = $btn.closest('tr');
+    const $targetField = $tr.find('.import-target');
+    const $namespaceInput = $targetField.find('.js-select-namespace option:selected');
+    const id = $tr.attr('id').replace('repo_', '');
+    let targetNamespace;
+    let newName;
+    if ($namespaceInput.length > 0) {
+      targetNamespace = $namespaceInput[0].innerHTML;
+      newName = $targetField.find('#path').prop('value');
+      $targetField.empty().append(`${targetNamespace}/${newName}`);
+    }
+    $btn.disable().addClass('is-loading');
+
+    return axios.post(this.importUrl, {
+      repo_id: id,
+      target_namespace: targetNamespace,
+      new_name: newName,
+    })
+    .then(({ data }) => {
+      const job = $(`tr#repo_${id}`);
+      job.attr('id', `project_${data.id}`);
+
+      job.find('.import-target').html(`<a href="${data.full_path}">${data.full_path}</a>`);
+      $('table.import-jobs tbody').prepend(job);
+
+      job.addClass('active');
+      job.find('.import-actions').html('<i class="fa fa-spinner fa-spin" aria-label="importing"></i> started');
+    })
+    .catch(() => flash(__('An error occurred while importing project')));
+  }
+
   setAutoUpdate() {
     return setInterval(() => $.get(this.jobsUrl, data => $.each(data, (i, job) => {
       const jobItem = $(`#project_${job.id}`);
@@ -71,7 +86,7 @@ class ImporterStatus {
 }
 
 // eslint-disable-next-line consistent-return
-export default function initImporterStatus() {
+function initImporterStatus() {
   const importerStatus = document.querySelector('.js-importer-status');
 
   if (importerStatus) {
@@ -79,3 +94,8 @@ export default function initImporterStatus() {
     return new ImporterStatus(data.jobsImportPath, data.importPath);
   }
 }
+
+export {
+  initImporterStatus as default,
+  ImporterStatus,
+};
diff --git a/app/controllers/import/bitbucket_controller.rb b/app/controllers/import/bitbucket_controller.rb
index 5ad1e116e4e0d0231859456c9abd02c791d31736..13ea736688d9afcf31c7c2e08665a69bfcb41269 100644
--- a/app/controllers/import/bitbucket_controller.rb
+++ b/app/controllers/import/bitbucket_controller.rb
@@ -37,24 +37,30 @@ class Import::BitbucketController < Import::BaseController
   def create
     bitbucket_client = Bitbucket::Client.new(credentials)
 
-    @repo_id = params[:repo_id].to_s
-    name = @repo_id.gsub('___', '/')
+    repo_id = params[:repo_id].to_s
+    name = repo_id.gsub('___', '/')
     repo = bitbucket_client.repo(name)
-    @project_name = params[:new_name].presence || repo.name
+    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)
 
-    @target_namespace = find_or_create_namespace(namespace_path, current_user)
-
-    if current_user.can?(:create_projects, @target_namespace)
+    if current_user.can?(:create_projects, target_namespace)
       # The token in a session can be expired, we need to get most recent one because
       # Bitbucket::Connection class refreshes it.
       session[:bitbucket_token] = bitbucket_client.connection.token
-      @project = Gitlab::BitbucketImport::ProjectCreator.new(repo, @project_name, @target_namespace, current_user, credentials).execute
+
+      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.errors.full_messages }, status: :unprocessable_entity
+      end
     else
-      render 'unauthorized'
+      render json: { errors: 'This namespace has already been taken! Please choose another one.' }, status: :unprocessable_entity
     end
   end
 
diff --git a/app/controllers/import/fogbugz_controller.rb b/app/controllers/import/fogbugz_controller.rb
index 5df6bd341852eee9abfef703513318086876ebc3..669eb31a995b83c5cba6cb8158ca56ba4a22724a 100644
--- a/app/controllers/import/fogbugz_controller.rb
+++ b/app/controllers/import/fogbugz_controller.rb
@@ -58,17 +58,17 @@ class Import::FogbugzController < Import::BaseController
   end
 
   def create
-    @repo_id = params[:repo_id]
-    repo = client.repo(@repo_id)
+    repo = client.repo(params[:repo_id])
     fb_session = { uri: session[:fogbugz_uri], token: session[:fogbugz_token] }
-    @target_namespace = current_user.namespace
-    @project_name = repo.name
-
-    namespace = @target_namespace
-
     umap = session[:fogbugz_user_map] || client.user_map
 
-    @project = Gitlab::FogbugzImport::ProjectCreator.new(repo, fb_session, namespace, current_user, umap).execute
+    project = Gitlab::FogbugzImport::ProjectCreator.new(repo, fb_session, current_user.namespace, current_user, umap).execute
+
+    if project.persisted?
+      render json: ProjectSerializer.new.represent(project)
+    else
+      render json: { errors: project.errors.full_messages }, status: :unprocessable_entity
+    end
   end
 
   private
diff --git a/app/controllers/import/github_controller.rb b/app/controllers/import/github_controller.rb
index b8ba7921613cdf41ffd31061f331c87a84d02eda..69fb8121ded45cc96086ddf4d55521fad921c896 100644
--- a/app/controllers/import/github_controller.rb
+++ b/app/controllers/import/github_controller.rb
@@ -36,16 +36,21 @@ class Import::GithubController < Import::BaseController
   end
 
   def create
-    @repo_id = params[:repo_id].to_i
-    repo = client.repo(@repo_id)
-    @project_name = params[:new_name].presence || repo.name
+    repo = client.repo(params[:repo_id].to_i)
+    project_name = params[:new_name].presence || repo.name
     namespace_path = params[:target_namespace].presence || current_user.namespace_path
-    @target_namespace = find_or_create_namespace(namespace_path, current_user.namespace_path)
+    target_namespace = find_or_create_namespace(namespace_path, current_user.namespace_path)
 
-    if can?(current_user, :create_projects, @target_namespace)
-      @project = Gitlab::LegacyGithubImport::ProjectCreator.new(repo, @project_name, @target_namespace, current_user, access_params, type: provider).execute
+    if can?(current_user, :create_projects, target_namespace)
+      project = Gitlab::LegacyGithubImport::ProjectCreator.new(repo, project_name, target_namespace, current_user, access_params, type: provider).execute
+
+      if project.persisted?
+        render json: ProjectSerializer.new.represent(project)
+      else
+        render json: { errors: project.errors.full_messages }, status: :unprocessable_entity
+      end
     else
-      render 'unauthorized'
+      render json: { errors: 'This namespace has already been taken! Please choose another one.' }, status: :unprocessable_entity
     end
   end
 
diff --git a/app/controllers/import/gitlab_controller.rb b/app/controllers/import/gitlab_controller.rb
index 407154e59a025c79dcb4e1d0185fbed251de002c..18f1d20f5a939314f6b07fd5e9003e4672b7575a 100644
--- a/app/controllers/import/gitlab_controller.rb
+++ b/app/controllers/import/gitlab_controller.rb
@@ -24,15 +24,19 @@ class Import::GitlabController < Import::BaseController
   end
 
   def create
-    @repo_id = params[:repo_id].to_i
-    repo = client.project(@repo_id)
-    @project_name = repo['name']
-    @target_namespace = find_or_create_namespace(repo['namespace']['path'], client.user['username'])
+    repo = client.project(params[:repo_id].to_i)
+    target_namespace = find_or_create_namespace(repo['namespace']['path'], client.user['username'])
 
-    if current_user.can?(:create_projects, @target_namespace)
-      @project = Gitlab::GitlabImport::ProjectCreator.new(repo, @target_namespace, current_user, access_params).execute
+    if current_user.can?(:create_projects, target_namespace)
+      project = Gitlab::GitlabImport::ProjectCreator.new(repo, target_namespace, current_user, access_params).execute
+
+      if project.persisted?
+        render json: ProjectSerializer.new.represent(project)
+      else
+        render json: { errors: project.errors.full_messages }, status: :unprocessable_entity
+      end
     else
-      render 'unauthorized'
+      render json: { errors: 'This namespace has already been taken! Please choose another one.' }, status: :unprocessable_entity
     end
   end
 
diff --git a/app/controllers/import/google_code_controller.rb b/app/controllers/import/google_code_controller.rb
index 7d7f13ce5d525df283ce4a725706d01432dba432..baa19fb383dc4220f5d0fa0339af71e273e0cd2a 100644
--- a/app/controllers/import/google_code_controller.rb
+++ b/app/controllers/import/google_code_controller.rb
@@ -85,16 +85,16 @@ class Import::GoogleCodeController < Import::BaseController
   end
 
   def create
-    @repo_id = params[:repo_id]
-    repo = client.repo(@repo_id)
-    @target_namespace = current_user.namespace
-    @project_name = repo.name
-
-    namespace = @target_namespace
-
+    repo = client.repo(params[:repo_id])
     user_map = session[:google_code_user_map]
 
-    @project = Gitlab::GoogleCodeImport::ProjectCreator.new(repo, namespace, current_user, user_map).execute
+    project = Gitlab::GoogleCodeImport::ProjectCreator.new(repo, current_user.namespace, current_user, user_map).execute
+
+    if project.persisted?
+      render json: ProjectSerializer.new.represent(project)
+    else
+      render json: { errors: project.errors.full_messages }, status: :unprocessable_entity
+    end
   end
 
   private
diff --git a/app/serializers/project_serializer.rb b/app/serializers/project_serializer.rb
new file mode 100644
index 0000000000000000000000000000000000000000..74de1e79a8f832f6bc9d2373ea04c823b307b00e
--- /dev/null
+++ b/app/serializers/project_serializer.rb
@@ -0,0 +1,3 @@
+class ProjectSerializer < BaseSerializer
+  entity ProjectEntity
+end
diff --git a/app/views/import/base/create.js.haml b/app/views/import/base/create.js.haml
deleted file mode 100644
index 4dc3a4a0acf046076fbbb90a67f41ba2d3956096..0000000000000000000000000000000000000000
--- a/app/views/import/base/create.js.haml
+++ /dev/null
@@ -1,13 +0,0 @@
-- if @project.persisted?
-  :plain
-    job = $("tr#repo_#{@repo_id}")
-    job.attr("id", "project_#{@project.id}")
-    target_field = job.find(".import-target")
-    target_field.empty()
-    target_field.append('#{link_to @project.full_path, project_path(@project)}')
-    $("table.import-jobs tbody").prepend(job)
-    job.addClass("active").find(".import-actions").html("<i class='fa fa-spinner fa-spin'></i> started")
-- else
-  :plain
-    job = $("tr#repo_#{@repo_id}")
-    job.find(".import-actions").html("<i class='fa fa-exclamation-circle'></i> Error saving project: #{escape_javascript(h(@project.errors.full_messages.join(',')))}")
diff --git a/app/views/import/base/unauthorized.js.haml b/app/views/import/base/unauthorized.js.haml
deleted file mode 100644
index ada5f99f4e2c93c41c794b604386f5abaac8a74f..0000000000000000000000000000000000000000
--- a/app/views/import/base/unauthorized.js.haml
+++ /dev/null
@@ -1,14 +0,0 @@
-:plain
-  tr = $("tr#repo_#{@repo_id}")
-  target_field = tr.find(".import-target")
-  import_button = tr.find(".btn-import")
-  origin_target = target_field.text()
-  project_name = "#{@project_name}"
-  origin_namespace = "#{@target_namespace.full_path}"
-  target_field.empty()
-  target_field.append("<p class='alert alert-danger'>This namespace has already been taken! Please choose another one.</p>")
-  target_field.append("<input type='text' name='target_namespace' />")
-  target_field.append("/" + project_name)
-  target_field.data("project_name", project_name)
-  target_field.find('input').prop("value", origin_namespace)
-  import_button.enable().removeClass('is-loading')
diff --git a/spec/controllers/import/bitbucket_controller_spec.rb b/spec/controllers/import/bitbucket_controller_spec.rb
index e8707760a5ab89e7c220d739f5995181c01fb90a..9c7a54f9ed4d4e294fde48311b17de5c9a2b018c 100644
--- a/spec/controllers/import/bitbucket_controller_spec.rb
+++ b/spec/controllers/import/bitbucket_controller_spec.rb
@@ -84,20 +84,42 @@ describe Import::BitbucketController do
       double(slug: "vim", owner: bitbucket_username, name: 'vim')
     end
 
+    let(:project) { create(:project) }
+
     before do
       allow_any_instance_of(Bitbucket::Client).to receive(:repo).and_return(bitbucket_repo)
       allow_any_instance_of(Bitbucket::Client).to receive(:user).and_return(bitbucket_user)
       assign_session_tokens
     end
 
+    it 'returns 200 response when the project is imported successfully' do
+      allow(Gitlab::BitbucketImport::ProjectCreator)
+        .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, user.namespace, user, access_params)
+        .and_return(double(execute: project))
+
+      post :create, format: :json
+
+      expect(response).to have_gitlab_http_status(200)
+    end
+
+    it 'returns 422 response when the project could not be imported' do
+      allow(Gitlab::BitbucketImport::ProjectCreator)
+        .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, user.namespace, user, access_params)
+        .and_return(double(execute: build(:project)))
+
+      post :create, format: :json
+
+      expect(response).to have_gitlab_http_status(422)
+    end
+
     context "when the repository owner is the Bitbucket user" do
       context "when the Bitbucket user and GitLab user's usernames match" do
         it "takes the current user's namespace" do
           expect(Gitlab::BitbucketImport::ProjectCreator)
             .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, user.namespace, user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
 
@@ -107,9 +129,9 @@ describe Import::BitbucketController do
         it "takes the current user's namespace" do
           expect(Gitlab::BitbucketImport::ProjectCreator)
             .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, user.namespace, user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
 
@@ -120,7 +142,7 @@ describe Import::BitbucketController do
           allow(controller).to receive(:current_user).and_return(user)
           allow(user).to receive(:can?).and_return(false)
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
     end
@@ -143,9 +165,9 @@ describe Import::BitbucketController do
           it "takes the existing namespace" do
             expect(Gitlab::BitbucketImport::ProjectCreator)
               .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, existing_namespace, user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
 
@@ -154,7 +176,7 @@ describe Import::BitbucketController do
             expect(Gitlab::BitbucketImport::ProjectCreator)
               .not_to receive(:new)
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
       end
@@ -163,17 +185,17 @@ describe Import::BitbucketController do
         context "when current user can create namespaces" do
           it "creates the namespace" do
             expect(Gitlab::BitbucketImport::ProjectCreator)
-              .to receive(:new).and_return(double(execute: true))
+              .to receive(:new).and_return(double(execute: project))
 
-            expect { post :create, format: :js }.to change(Namespace, :count).by(1)
+            expect { post :create, format: :json }.to change(Namespace, :count).by(1)
           end
 
           it "takes the new namespace" do
             expect(Gitlab::BitbucketImport::ProjectCreator)
               .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, an_instance_of(Group), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
 
@@ -184,17 +206,17 @@ describe Import::BitbucketController do
 
           it "doesn't create the namespace" do
             expect(Gitlab::BitbucketImport::ProjectCreator)
-              .to receive(:new).and_return(double(execute: true))
+              .to receive(:new).and_return(double(execute: project))
 
-            expect { post :create, format: :js }.not_to change(Namespace, :count)
+            expect { post :create, format: :json }.not_to change(Namespace, :count)
           end
 
           it "takes the current user's namespace" do
             expect(Gitlab::BitbucketImport::ProjectCreator)
               .to receive(:new).with(bitbucket_repo, bitbucket_repo.name, user.namespace, user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
       end
@@ -212,9 +234,9 @@ describe Import::BitbucketController do
       it 'takes the selected namespace and name' do
         expect(Gitlab::BitbucketImport::ProjectCreator)
           .to receive(:new).with(bitbucket_repo, test_name, nested_namespace, user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: nested_namespace.full_path, new_name: test_name, format: :js }
+        post :create, { target_namespace: nested_namespace.full_path, new_name: test_name, format: :json }
       end
     end
 
@@ -224,26 +246,26 @@ describe Import::BitbucketController do
       it 'takes the selected namespace and name' do
         expect(Gitlab::BitbucketImport::ProjectCreator)
           .to receive(:new).with(bitbucket_repo, test_name, kind_of(Namespace), user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :js }
+        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :json }
       end
 
       it 'creates the namespaces' do
         allow(Gitlab::BitbucketImport::ProjectCreator)
           .to receive(:new).with(bitbucket_repo, test_name, kind_of(Namespace), user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        expect { post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :js } }
+        expect { post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :json } }
           .to change { Namespace.count }.by(2)
       end
 
       it 'new namespace has the right parent' do
         allow(Gitlab::BitbucketImport::ProjectCreator)
           .to receive(:new).with(bitbucket_repo, test_name, kind_of(Namespace), user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :js }
+        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :json }
 
         expect(Namespace.find_by_path_or_name('bar').parent.path).to eq('foo')
       end
@@ -256,19 +278,29 @@ describe Import::BitbucketController do
       it 'takes the selected namespace and name' do
         expect(Gitlab::BitbucketImport::ProjectCreator)
           .to receive(:new).with(bitbucket_repo, test_name, kind_of(Namespace), user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :js }
+        post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :json }
       end
 
       it 'creates the namespaces' do
         allow(Gitlab::BitbucketImport::ProjectCreator)
           .to receive(:new).with(bitbucket_repo, test_name, kind_of(Namespace), user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        expect { post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :js } }
+        expect { post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :json } }
           .to change { Namespace.count }.by(2)
       end
     end
+
+    context 'when user can not create projects in the chosen namespace' do
+      it 'returns 422 response' do
+        other_namespace = create(:group, name: 'other_namespace')
+
+        post :create, { target_namespace: other_namespace.name, format: :json }
+
+        expect(response).to have_gitlab_http_status(422)
+      end
+    end
   end
 end
diff --git a/spec/controllers/import/gitlab_controller_spec.rb b/spec/controllers/import/gitlab_controller_spec.rb
index faf1e6f63eae21f1e8a5f296d2dad0521abb1314..d902c6210f5881211860c7084e8e35fdaebf7d6f 100644
--- a/spec/controllers/import/gitlab_controller_spec.rb
+++ b/spec/controllers/import/gitlab_controller_spec.rb
@@ -57,6 +57,7 @@ describe Import::GitlabController do
   end
 
   describe "POST create" do
+    let(:project) { create(:project) }
     let(:gitlab_username) { user.username }
     let(:gitlab_user) do
       { username: gitlab_username }.with_indifferent_access
@@ -75,14 +76,34 @@ describe Import::GitlabController do
       assign_session_token
     end
 
+    it 'returns 200 response when the project is imported successfully' do
+      allow(Gitlab::GitlabImport::ProjectCreator)
+        .to receive(:new).with(gitlab_repo, user.namespace, user, access_params)
+        .and_return(double(execute: project))
+
+      post :create, format: :json
+
+      expect(response).to have_gitlab_http_status(200)
+    end
+
+    it 'returns 422 response when the project could not be imported' do
+      allow(Gitlab::GitlabImport::ProjectCreator)
+        .to receive(:new).with(gitlab_repo, user.namespace, user, access_params)
+        .and_return(double(execute: build(:project)))
+
+      post :create, format: :json
+
+      expect(response).to have_gitlab_http_status(422)
+    end
+
     context "when the repository owner is the GitLab.com user" do
       context "when the GitLab.com user and GitLab server user's usernames match" do
         it "takes the current user's namespace" do
           expect(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, user.namespace, user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
 
@@ -92,9 +113,9 @@ describe Import::GitlabController do
         it "takes the current user's namespace" do
           expect(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, user.namespace, user, access_params)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
     end
@@ -118,9 +139,9 @@ describe Import::GitlabController do
           it "takes the existing namespace" do
             expect(Gitlab::GitlabImport::ProjectCreator)
               .to receive(:new).with(gitlab_repo, existing_namespace, user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
 
@@ -129,7 +150,7 @@ describe Import::GitlabController do
             expect(Gitlab::GitlabImport::ProjectCreator)
               .not_to receive(:new)
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
       end
@@ -138,17 +159,17 @@ describe Import::GitlabController do
         context "when current user can create namespaces" do
           it "creates the namespace" do
             expect(Gitlab::GitlabImport::ProjectCreator)
-              .to receive(:new).and_return(double(execute: true))
+              .to receive(:new).and_return(double(execute: project))
 
-            expect { post :create, format: :js }.to change(Namespace, :count).by(1)
+            expect { post :create, format: :json }.to change(Namespace, :count).by(1)
           end
 
           it "takes the new namespace" do
             expect(Gitlab::GitlabImport::ProjectCreator)
               .to receive(:new).with(gitlab_repo, an_instance_of(Group), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
 
@@ -159,17 +180,17 @@ describe Import::GitlabController do
 
           it "doesn't create the namespace" do
             expect(Gitlab::GitlabImport::ProjectCreator)
-              .to receive(:new).and_return(double(execute: true))
+              .to receive(:new).and_return(double(execute: project))
 
-            expect { post :create, format: :js }.not_to change(Namespace, :count)
+            expect { post :create, format: :json }.not_to change(Namespace, :count)
           end
 
           it "takes the current user's namespace" do
             expect(Gitlab::GitlabImport::ProjectCreator)
               .to receive(:new).with(gitlab_repo, user.namespace, user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-            post :create, format: :js
+            post :create, format: :json
           end
         end
       end
@@ -185,9 +206,9 @@ describe Import::GitlabController do
         it 'takes the selected namespace and name' do
           expect(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, nested_namespace, user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, { target_namespace: nested_namespace.full_path, format: :js }
+          post :create, { target_namespace: nested_namespace.full_path, format: :json }
         end
       end
 
@@ -197,26 +218,26 @@ describe Import::GitlabController do
         it 'takes the selected namespace and name' do
           expect(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, kind_of(Namespace), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, { target_namespace: 'foo/bar', format: :js }
+          post :create, { target_namespace: 'foo/bar', format: :json }
         end
 
         it 'creates the namespaces' do
           allow(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, kind_of(Namespace), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          expect { post :create, { target_namespace: 'foo/bar', format: :js } }
+          expect { post :create, { target_namespace: 'foo/bar', format: :json } }
             .to change { Namespace.count }.by(2)
         end
 
         it 'new namespace has the right parent' do
           allow(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, kind_of(Namespace), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, { target_namespace: 'foo/bar', format: :js }
+          post :create, { target_namespace: 'foo/bar', format: :json }
 
           expect(Namespace.find_by_path_or_name('bar').parent.path).to eq('foo')
         end
@@ -229,20 +250,30 @@ describe Import::GitlabController do
         it 'takes the selected namespace and name' do
           expect(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, kind_of(Namespace), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, { target_namespace: 'foo/foobar/bar', format: :js }
+          post :create, { target_namespace: 'foo/foobar/bar', format: :json }
         end
 
         it 'creates the namespaces' do
           allow(Gitlab::GitlabImport::ProjectCreator)
             .to receive(:new).with(gitlab_repo, kind_of(Namespace), user, access_params)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          expect { post :create, { target_namespace: 'foo/foobar/bar', format: :js } }
+          expect { post :create, { target_namespace: 'foo/foobar/bar', format: :json } }
             .to change { Namespace.count }.by(2)
         end
       end
+
+      context 'when user can not create projects in the chosen namespace' do
+        it 'returns 422 response' do
+          other_namespace = create(:group, name: 'other_namespace')
+
+          post :create, { target_namespace: other_namespace.name, format: :json }
+
+          expect(response).to have_gitlab_http_status(422)
+        end
+      end
     end
   end
 end
diff --git a/spec/javascripts/importer_status_spec.js b/spec/javascripts/importer_status_spec.js
new file mode 100644
index 0000000000000000000000000000000000000000..bb49c576e9104bb26310e01f5cb6b68c1827e300
--- /dev/null
+++ b/spec/javascripts/importer_status_spec.js
@@ -0,0 +1,47 @@
+import { ImporterStatus } from '~/importer_status';
+import axios from '~/lib/utils/axios_utils';
+import MockAdapter from 'axios-mock-adapter';
+
+describe('Importer Status', () => {
+  describe('addToImport', () => {
+    let instance;
+    let mock;
+    const importUrl = '/import_url';
+
+    beforeEach(() => {
+      setFixtures(`
+        <tr id="repo_123">
+          <td class="import-target"></td>
+          <td class="import-actions job-status">
+            <button name="button" type="submit" class="btn btn-import js-add-to-import">
+            </button>
+          </td>
+        </tr>
+      `);
+      spyOn(ImporterStatus.prototype, 'initStatusPage').and.callFake(() => {});
+      spyOn(ImporterStatus.prototype, 'setAutoUpdate').and.callFake(() => {});
+      instance = new ImporterStatus('', importUrl);
+      mock = new MockAdapter(axios);
+    });
+
+    afterEach(() => {
+      mock.restore();
+    });
+
+    it('sets table row to active after post request', (done) => {
+      mock.onPost(importUrl).reply(200, {
+        id: 1,
+        full_path: '/full_path',
+      });
+
+      instance.addToImport({
+        currentTarget: document.querySelector('.js-add-to-import'),
+      })
+      .then(() => {
+        expect(document.querySelector('tr').classList.contains('active')).toEqual(true);
+        done();
+      })
+      .catch(done.fail);
+    });
+  });
+});
diff --git a/spec/support/controllers/githubish_import_controller_shared_examples.rb b/spec/support/controllers/githubish_import_controller_shared_examples.rb
index a0839eefe6cfc35f3a110d676c8e2cefa1f77288..793bacf25c75730f60c285ffb9b09a4427d75c09 100644
--- a/spec/support/controllers/githubish_import_controller_shared_examples.rb
+++ b/spec/support/controllers/githubish_import_controller_shared_examples.rb
@@ -92,6 +92,7 @@ end
 
 shared_examples 'a GitHub-ish import controller: POST create' do
   let(:user) { create(:user) }
+  let(:project) { create(:project) }
   let(:provider_username) { user.username }
   let(:provider_user) { OpenStruct.new(login: provider_username) }
   let(:provider_repo) do
@@ -107,14 +108,34 @@ shared_examples 'a GitHub-ish import controller: POST create' do
     assign_session_token(provider)
   end
 
+  it 'returns 200 response when the project is imported successfully' do
+    allow(Gitlab::LegacyGithubImport::ProjectCreator)
+      .to receive(:new).with(provider_repo, provider_repo.name, user.namespace, user, access_params, type: provider)
+        .and_return(double(execute: project))
+
+    post :create, format: :json
+
+    expect(response).to have_gitlab_http_status(200)
+  end
+
+  it 'returns 422 response when the project could not be imported' do
+    allow(Gitlab::LegacyGithubImport::ProjectCreator)
+      .to receive(:new).with(provider_repo, provider_repo.name, user.namespace, user, access_params, type: provider)
+        .and_return(double(execute: build(:project)))
+
+    post :create, format: :json
+
+    expect(response).to have_gitlab_http_status(422)
+  end
+
   context "when the repository owner is the provider user" do
     context "when the provider user and GitLab user's usernames match" do
       it "takes the current user's namespace" do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, provider_repo.name, user.namespace, user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, format: :js
+        post :create, format: :json
       end
     end
 
@@ -124,9 +145,9 @@ shared_examples 'a GitHub-ish import controller: POST create' do
       it "takes the current user's namespace" do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, provider_repo.name, user.namespace, user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, format: :js
+        post :create, format: :json
       end
     end
   end
@@ -151,9 +172,9 @@ shared_examples 'a GitHub-ish import controller: POST create' do
         it "takes the existing namespace" do
           expect(Gitlab::LegacyGithubImport::ProjectCreator)
             .to receive(:new).with(provider_repo, provider_repo.name, existing_namespace, user, access_params, type: provider)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
 
@@ -163,9 +184,9 @@ shared_examples 'a GitHub-ish import controller: POST create' do
 
           expect(Gitlab::LegacyGithubImport::ProjectCreator)
             .to receive(:new).with(provider_repo, provider_repo.name, user.namespace, user, access_params, type: provider)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
     end
@@ -174,17 +195,17 @@ shared_examples 'a GitHub-ish import controller: POST create' do
       context "when current user can create namespaces" do
         it "creates the namespace" do
           expect(Gitlab::LegacyGithubImport::ProjectCreator)
-            .to receive(:new).and_return(double(execute: true))
+            .to receive(:new).and_return(double(execute: project))
 
-          expect { post :create, target_namespace: provider_repo.name, format: :js }.to change(Namespace, :count).by(1)
+          expect { post :create, target_namespace: provider_repo.name, format: :json }.to change(Namespace, :count).by(1)
         end
 
         it "takes the new namespace" do
           expect(Gitlab::LegacyGithubImport::ProjectCreator)
             .to receive(:new).with(provider_repo, provider_repo.name, an_instance_of(Group), user, access_params, type: provider)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, target_namespace: provider_repo.name, format: :js
+          post :create, target_namespace: provider_repo.name, format: :json
         end
       end
 
@@ -195,17 +216,17 @@ shared_examples 'a GitHub-ish import controller: POST create' do
 
         it "doesn't create the namespace" do
           expect(Gitlab::LegacyGithubImport::ProjectCreator)
-            .to receive(:new).and_return(double(execute: true))
+            .to receive(:new).and_return(double(execute: project))
 
-          expect { post :create, format: :js }.not_to change(Namespace, :count)
+          expect { post :create, format: :json }.not_to change(Namespace, :count)
         end
 
         it "takes the current user's namespace" do
           expect(Gitlab::LegacyGithubImport::ProjectCreator)
             .to receive(:new).with(provider_repo, provider_repo.name, user.namespace, user, access_params, type: provider)
-              .and_return(double(execute: true))
+              .and_return(double(execute: project))
 
-          post :create, format: :js
+          post :create, format: :json
         end
       end
     end
@@ -221,17 +242,17 @@ shared_examples 'a GitHub-ish import controller: POST create' do
       it 'takes the selected namespace and name' do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, test_namespace, user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: test_namespace.name, new_name: test_name, format: :js }
+        post :create, { target_namespace: test_namespace.name, new_name: test_name, format: :json }
       end
 
       it 'takes the selected name and default namespace' do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, user.namespace, user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { new_name: test_name, format: :js }
+        post :create, { new_name: test_name, format: :json }
       end
     end
 
@@ -247,9 +268,9 @@ shared_examples 'a GitHub-ish import controller: POST create' do
       it 'takes the selected namespace and name' do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, nested_namespace, user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: nested_namespace.full_path, new_name: test_name, format: :js }
+        post :create, { target_namespace: nested_namespace.full_path, new_name: test_name, format: :json }
       end
     end
 
@@ -259,26 +280,26 @@ shared_examples 'a GitHub-ish import controller: POST create' do
       it 'takes the selected namespace and name' do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, kind_of(Namespace), user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :js }
+        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :json }
       end
 
       it 'creates the namespaces' do
         allow(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, kind_of(Namespace), user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        expect { post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :js } }
+        expect { post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :json } }
           .to change { Namespace.count }.by(2)
       end
 
       it 'new namespace has the right parent' do
         allow(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, kind_of(Namespace), user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :js }
+        post :create, { target_namespace: 'foo/bar', new_name: test_name, format: :json }
 
         expect(Namespace.find_by_path_or_name('bar').parent.path).to eq('foo')
       end
@@ -291,19 +312,29 @@ shared_examples 'a GitHub-ish import controller: POST create' do
       it 'takes the selected namespace and name' do
         expect(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, kind_of(Namespace), user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :js }
+        post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :json }
       end
 
       it 'creates the namespaces' do
         allow(Gitlab::LegacyGithubImport::ProjectCreator)
           .to receive(:new).with(provider_repo, test_name, kind_of(Namespace), user, access_params, type: provider)
-            .and_return(double(execute: true))
+            .and_return(double(execute: project))
 
-        expect { post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :js } }
+        expect { post :create, { target_namespace: 'foo/foobar/bar', new_name: test_name, format: :json } }
           .to change { Namespace.count }.by(2)
       end
     end
+
+    context 'when user can not create projects in the chosen namespace' do
+      it 'returns 422 response' do
+        other_namespace = create(:group, name: 'other_namespace')
+
+        post :create, { target_namespace: other_namespace.name, format: :json }
+
+        expect(response).to have_gitlab_http_status(422)
+      end
+    end
   end
 end