Externalize strings in projects controllers

- concerns
- dashboard
- groups
- import

app/controllers/concerns/authenticates_with_two_factor.rb

@@ -36,7 +36,7 @@ module AuthenticatesWithTwoFactor
   end
 
   def locked_user_redirect(user)
-    flash.now[:alert] = 'Invalid Login or password'
+    flash.now[:alert] = _('Invalid Login or password')
     render 'devise/sessions/new'
   end
 
@@ -66,7 +66,7 @@ module AuthenticatesWithTwoFactor
     else
       user.increment_failed_attempts!
       Gitlab::AppLogger.info("Failed Login: user=#{user.username} ip=#{request.remote_ip} method=OTP")
-      flash.now[:alert] = 'Invalid two-factor code.'
+      flash.now[:alert] = _('Invalid two-factor code.')
       prompt_for_two_factor(user)
     end
   end
@@ -83,7 +83,7 @@ module AuthenticatesWithTwoFactor
     else
       user.increment_failed_attempts!
       Gitlab::AppLogger.info("Failed Login: user=#{user.username} ip=#{request.remote_ip} method=U2F")
-      flash.now[:alert] = 'Authentication via U2F device failed.'
+      flash.now[:alert] = _('Authentication via U2F device failed.')
       prompt_for_two_factor(user)
     end
   end

app/controllers/concerns/creates_commit.rb

@@ -31,7 +31,7 @@ module CreatesCommit
 
       respond_to do |format|
         format.html { redirect_to success_path }
-        format.json { render json: { message: "success", filePath: success_path } }
+        format.json { render json: { message: _("success"), filePath: success_path } }
       end
     else
       flash[:alert] = result[:message]
@@ -45,7 +45,7 @@ module CreatesCommit
             redirect_to failure_path
           end
         end
-        format.json { render json: { message: "failed", filePath: failure_path } }
+        format.json { render json: { message: _("failed"), filePath: failure_path } }
       end
     end
   end
@@ -60,15 +60,22 @@ module CreatesCommit
   private
 
   def update_flash_notice(success_notice)
-    flash[:notice] = success_notice || "Your changes have been successfully committed."
+    flash[:notice] = success_notice || _("Your changes have been successfully committed.")
 
     if create_merge_request?
-      if merge_request_exists?
-        flash[:notice] = nil
-      else
-        target = different_project? ? "project" : "branch"
-        flash[:notice] = flash[:notice] + " You can now submit a merge request to get this change into the original #{target}."
-      end
+      flash[:notice] =
+        if merge_request_exists?
+          nil
+        else
+          mr_message =
+            if different_project?
+              _("You can now submit a merge request to get this change into the original project.")
+            else
+              _("You can now submit a merge request to get this change into the original branch.")
+            end
+
+          flash[:notice] += " " + mr_message
+        end
     end
   end
 

app/controllers/concerns/lfs_request.rb

@@ -26,7 +26,7 @@ module LfsRequest
 
     render(
       json: {
-        message: 'Git LFS is not enabled on this GitLab server, contact your admin.',
+        message: _('Git LFS is not enabled on this GitLab server, contact your admin.'),
         documentation_url: help_url
       },
       status: :not_implemented
@@ -51,7 +51,7 @@ module LfsRequest
   def render_lfs_forbidden
     render(
       json: {
-        message: 'Access forbidden. Check your access level.',
+        message: _('Access forbidden. Check your access level.'),
         documentation_url: help_url
       },
       content_type: CONTENT_TYPE,
@@ -62,7 +62,7 @@ module LfsRequest
   def render_lfs_not_found
     render(
       json: {
-        message: 'Not found.',
+        message: _('Not found.'),
         documentation_url: help_url
       },
       content_type: CONTENT_TYPE,

app/controllers/concerns/membership_actions.rb

@@ -9,7 +9,7 @@ module MembershipActions
     result = Members::CreateService.new(current_user, create_params).execute(membershipable)
 
     if result[:status] == :success
-      redirect_to members_page_url, notice: 'Users were successfully added.'
+      redirect_to members_page_url, notice: _('Users were successfully added.')
     else
       redirect_to members_page_url, alert: result[:message]
     end
@@ -35,9 +35,16 @@ module MembershipActions
 
     respond_to do |format|
       format.html do
-        source = source_type == 'group' ? 'group and any subresources' : source_type
+        message =
+          begin
+            case membershipable
+            when Namespace
+              _("User was successfully removed from group and any subresources.")
+            else
+              _("User was successfully removed from project.")
+            end
+          end
 
-        message = "User was successfully removed from #{source}."
         redirect_to members_page_url, notice: message
       end
 
@@ -49,7 +56,7 @@ module MembershipActions
     membershipable.request_access(current_user)
 
     redirect_to polymorphic_path(membershipable),
-                notice: 'Your request for access has been queued for review.'
+                notice: _('Your request for access has been queued for review.')
   end
 
   def approve_access_request
@@ -68,9 +75,9 @@ module MembershipActions
 
     notice =
       if member.request?
-        "Your access request to the #{source_type} has been withdrawn."
+        _("Your access request to the %{source_type} has been withdrawn.") % { source_type: source_type }
       else
-        "You left the \"#{membershipable.human_name}\" #{source_type}."
+        _("You left the \"%{membershipable_human_name}\" %{source_type}.") % { membershipable_human_name: membershipable.human_name, source_type: source_type }
       end
 
     respond_to do |format|
@@ -90,9 +97,9 @@ module MembershipActions
     if member.invite?
       member.resend_invite
 
-      redirect_to members_page_url, notice: 'The invitation was successfully resent.'
+      redirect_to members_page_url, notice: _('The invitation was successfully resent.')
     else
-      redirect_to members_page_url, alert: 'The invitation has already been accepted.'
+      redirect_to members_page_url, alert: _('The invitation has already been accepted.')
     end
   end
 
@@ -125,6 +132,16 @@ module MembershipActions
   end
 
   def source_type
-    @source_type ||= membershipable.class.to_s.humanize(capitalize: false)
+    @source_type ||=
+      begin
+        case membershipable
+        when Namespace
+          _("group")
+        when Project
+          _("project")
+        else
+          raise "Unknown membershipable type: #{membershipable}!"
+        end
+      end
   end
 end

app/controllers/concerns/spammable_actions.rb

@@ -12,9 +12,9 @@ module SpammableActions
 
   def mark_as_spam
     if SpamService.new(spammable).mark_as_spam!
-      redirect_to spammable_path, notice: "#{spammable.spammable_entity_type.titlecase} was submitted to Akismet successfully."
+      redirect_to spammable_path, notice: _("%{spammable_titlecase} was submitted to Akismet successfully.") % { spammable_titlecase: spammable.spammable_entity_type.titlecase }
     else
-      redirect_to spammable_path, alert: 'Error with Akismet. Please check the logs for more info.'
+      redirect_to spammable_path, alert: _('Error with Akismet. Please check the logs for more info.')
     end
   end
 
@@ -33,7 +33,7 @@ module SpammableActions
       ensure_spam_config_loaded!
 
       if params[:recaptcha_verification]
-        flash[:alert] = 'There was an error with the reCAPTCHA. Please solve the reCAPTCHA again.'
+        flash[:alert] = _('There was an error with the reCAPTCHA. Please solve the reCAPTCHA again.')
       end
 
       respond_to do |format|

app/controllers/concerns/uploads_actions.rb

@@ -16,7 +16,7 @@ module UploadsActions
         end
       else
         format.json do
-          render json: 'Invalid file.', status: :unprocessable_entity
+          render json: _('Invalid file.'), status: :unprocessable_entity
         end
       end
     end
@@ -57,7 +57,7 @@ module UploadsActions
 
     render json: authorized
   rescue SocketError
-    render json: "Error uploading file", status: :internal_server_error
+    render json: _("Error uploading file"), status: :internal_server_error
   end
 
   private

app/controllers/dashboard/todos_controller.rb

@@ -21,7 +21,7 @@ class Dashboard::TodosController < Dashboard::ApplicationController
       format.html do
         redirect_to dashboard_todos_path,
                     status: 302,
-                    notice: 'Todo was successfully marked as done.'
+                    notice: _('Todo was successfully marked as done.')
       end
       format.js { head :ok }
       format.json { render json: todos_counts }
@@ -32,7 +32,7 @@ class Dashboard::TodosController < Dashboard::ApplicationController
     updated_ids = TodoService.new.mark_todos_as_done(@todos, current_user)
 
     respond_to do |format|
-      format.html { redirect_to dashboard_todos_path, status: 302, notice: 'All todos were marked as done.' }
+      format.html { redirect_to dashboard_todos_path, status: 302, notice: _('All todos were marked as done.') }
       format.js { head :ok }
       format.json { render json: todos_counts.merge(updated_ids: updated_ids) }
     end

app/controllers/groups/runners_controller.rb

@@ -16,7 +16,7 @@ class Groups::RunnersController < Groups::ApplicationController
 
   def update
     if Ci::UpdateRunnerService.new(@runner).update(runner_params)
-      redirect_to group_runner_path(@group, @runner), notice: 'Runner was successfully updated.'
+      redirect_to group_runner_path(@group, @runner), notice: _('Runner was successfully updated.')
     else
       render 'edit'
     end
@@ -30,17 +30,17 @@ class Groups::RunnersController < Groups::ApplicationController
 
   def resume
     if Ci::UpdateRunnerService.new(@runner).update(active: true)
-      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), notice: 'Runner was successfully updated.'
+      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), notice: _('Runner was successfully updated.')
     else
-      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), alert: 'Runner was not updated.'
+      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), alert: _('Runner was not updated.')
     end
   end
 
   def pause
     if Ci::UpdateRunnerService.new(@runner).update(active: false)
-      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), notice: 'Runner was successfully updated.'
+      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), notice: _('Runner was successfully updated.')
     else
-      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), alert: 'Runner was not updated.'
+      redirect_to group_settings_ci_cd_path(@group, anchor: 'runners-settings'), alert: _('Runner was not updated.')
     end
   end
 

app/controllers/groups/settings/ci_cd_controller.rb

@@ -13,7 +13,7 @@ module Groups
       def reset_registration_token
         @group.reset_runners_token!
 
-        flash[:notice] = 'New runners registration token has been generated!'
+        flash[:notice] = _('GroupSettings|New runners registration token has been generated!')
         redirect_to group_settings_ci_cd_path
       end
 

app/controllers/import/bitbucket_controller.rb

@@ -62,7 +62,7 @@ class Import::BitbucketController < Import::BaseController
         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
+      render json: { errors: _('This namespace has already been taken! Please choose another one.') }, status: :unprocessable_entity
     end
   end
 

app/controllers/import/bitbucket_server_controller.rb

@@ -25,7 +25,7 @@ class Import::BitbucketServerController < Import::BaseController
     repo = bitbucket_client.repo(@project_key, @repo_slug)
 
     unless repo
-      return render json: { errors: "Project #{@project_key}/#{@repo_slug} could not be found" }, status: :unprocessable_entity
+      return render json: { errors: _("Project %{project_repo} could not be found") % { project_repo: "#{@project_key}/#{@repo_slug}" } }, status: :unprocessable_entity
     end
 
     project_name = params[:new_name].presence || repo.name
@@ -41,10 +41,10 @@ class Import::BitbucketServerController < Import::BaseController
         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
+      render json: { errors: _('This namespace has already been taken! Please choose another one.') }, status: :unprocessable_entity
     end
-  rescue BitbucketServer::Connection::ConnectionError => e
-    render json: { errors: "Unable to connect to server: #{e}" }, status: :unprocessable_entity
+  rescue BitbucketServer::Connection::ConnectionError => error
+    render json: { errors: _("Unable to connect to server: %{error}") % { error: error } }, status: :unprocessable_entity
   end
 
   def configure
@@ -65,8 +65,8 @@ class Import::BitbucketServerController < Import::BaseController
     already_added_projects_names = @already_added_projects.pluck(:import_source)
 
     @repos.reject! { |repo| already_added_projects_names.include?(repo.browse_url) }
-  rescue BitbucketServer::Connection::ConnectionError => e
-    flash[:alert] = "Unable to connect to server: #{e}"
+  rescue BitbucketServer::Connection::ConnectionError => error
+    flash[:alert] = _("Unable to connect to server: %{error}") % { error: error }
     clear_session_data
     redirect_to new_import_bitbucket_server_path
   end

app/controllers/import/fogbugz_controller.rb

@@ -14,7 +14,7 @@ class Import::FogbugzController < Import::BaseController
       res = Gitlab::FogbugzImport::Client.new(import_params.symbolize_keys)
     rescue
       # If the URI is invalid various errors can occur
-      return redirect_to new_import_fogbugz_path, alert: 'Could not connect to FogBugz, check your URL'
+      return redirect_to new_import_fogbugz_path, alert: _('Could not connect to FogBugz, check your URL')
     end
     session[:fogbugz_token] = res.get_token
     session[:fogbugz_uri] = params[:uri]
@@ -29,14 +29,14 @@ class Import::FogbugzController < Import::BaseController
     user_map = params[:users]
 
     unless user_map.is_a?(Hash) && user_map.all? { |k, v| !v[:name].blank? }
-      flash.now[:alert] = 'All users must have a name.'
+      flash.now[:alert] = _('All users must have a name.')
 
       return render 'new_user_map'
     end
 
     session[:fogbugz_user_map] = user_map
 
-    flash[:notice] = 'The user map has been saved. Continue by selecting the projects you want to import.'
+    flash[:notice] = _('The user map has been saved. Continue by selecting the projects you want to import.')
 
     redirect_to status_import_fogbugz_path
   end

app/controllers/import/gitea_controller.rb

@@ -46,7 +46,7 @@ class Import::GiteaController < Import::GithubController
   def provider_auth
     if session[access_token_key].blank? || provider_url.blank?
       redirect_to new_import_gitea_url,
-        alert: 'You need to specify both an Access Token and a Host URL.'
+        alert: _('You need to specify both an Access Token and a Host URL.')
     end
   end
 

app/controllers/import/gitlab_controller.rb

@@ -42,7 +42,7 @@ class Import::GitlabController < Import::BaseController
         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
+      render json: { errors: _('This namespace has already been taken! Please choose another one.') }, status: :unprocessable_entity
     end
   end
 

app/controllers/import/gitlab_projects_controller.rb

@@ -13,7 +13,7 @@ class Import::GitlabProjectsController < Import::BaseController
 
   def create
     unless file_is_valid?
-      return redirect_back_or_default(options: { alert: "You need to upload a GitLab project export archive (ending in .gz)." })
+      return redirect_back_or_default(options: { alert: _("You need to upload a GitLab project export archive (ending in .gz).") })
     end
 
     @project = ::Projects::GitlabProjectsImportService.new(current_user, project_params).execute
@@ -21,7 +21,7 @@ class Import::GitlabProjectsController < Import::BaseController
     if @project.saved?
       redirect_to(
         project_path(@project),
-        notice: "Project '#{@project.name}' is being imported."
+        notice: _("Project '%{project_name}' is being imported.") % { project_name: @project.name }
       )
     else
       redirect_back_or_default(options: { alert: "Project could not be imported: #{@project.errors.full_messages.join(', ')}" })

app/controllers/import/google_code_controller.rb

@@ -11,18 +11,18 @@ class Import::GoogleCodeController < Import::BaseController
     dump_file = params[:dump_file]
 
     unless dump_file.respond_to?(:read)
-      return redirect_back_or_default(options: { alert: "You need to upload a Google Takeout archive." })
+      return redirect_back_or_default(options: { alert: _("You need to upload a Google Takeout archive.") })
     end
 
     begin
       dump = JSON.parse(dump_file.read)
     rescue
-      return redirect_back_or_default(options: { alert: "The uploaded file is not a valid Google Takeout archive." })
+      return redirect_back_or_default(options: { alert: _("The uploaded file is not a valid Google Takeout archive.") })
     end
 
     client = Gitlab::GoogleCodeImport::Client.new(dump)
     unless client.valid?
-      return redirect_back_or_default(options: { alert: "The uploaded file is not a valid Google Takeout archive." })
+      return redirect_back_or_default(options: { alert: _("The uploaded file is not a valid Google Takeout archive.") })
     end
 
     session[:google_code_dump] = dump
@@ -44,13 +44,13 @@ class Import::GoogleCodeController < Import::BaseController
     begin
       user_map = JSON.parse(user_map_json)
     rescue
-      flash.now[:alert] = "The entered user map is not a valid JSON user map."
+      flash.now[:alert] = _("The entered user map is not a valid JSON user map.")
 
       return render "new_user_map"
     end
 
     unless user_map.is_a?(Hash) && user_map.all? { |k, v| k.is_a?(String) && v.is_a?(String) }
-      flash.now[:alert] = "The entered user map is not a valid JSON user map."
+      flash.now[:alert] = _("The entered user map is not a valid JSON user map.")
 
       return render "new_user_map"
     end
@@ -62,7 +62,7 @@ class Import::GoogleCodeController < Import::BaseController
 
     session[:google_code_user_map] = user_map
 
-    flash[:notice] = "The user map has been saved. Continue by selecting the projects you want to import."
+    flash[:notice] = _("The user map has been saved. Continue by selecting the projects you want to import.")
 
     redirect_to status_import_google_code_path
   end

app/controllers/projects/blob_controller.rb

@@ -29,7 +29,7 @@ class Projects::BlobController < Projects::ApplicationController
   end
 
   def create
-    create_commit(Files::CreateService, success_notice: "The file has been successfully created.",
+    create_commit(Files::CreateService, success_notice: _("The file has been successfully created."),
                                         success_path: -> { project_blob_path(@project, File.join(@branch_name, @file_path)) },
                                         failure_view: :new,
                                         failure_path: project_new_blob_path(@project, @ref))
@@ -81,7 +81,7 @@ class Projects::BlobController < Projects::ApplicationController
   end
 
   def destroy
-    create_commit(Files::DeleteService, success_notice: "The file has been successfully deleted.",
+    create_commit(Files::DeleteService, success_notice: _("The file has been successfully deleted."),
                                         success_path: -> { after_delete_path },
                                         failure_view: :show,
                                         failure_path: project_blob_path(@project, @id))

app/controllers/projects/branches_controller.rb

@@ -115,7 +115,7 @@ class Projects::BranchesController < Projects::ApplicationController
     DeleteMergedBranchesService.new(@project, current_user).async_execute
 
     redirect_to project_branches_path(@project),
-      notice: 'Merged branches are being deleted. This can take some time depending on the number of branches. Please refresh the page to see changes.'
+      notice: _('Merged branches are being deleted. This can take some time depending on the number of branches. Please refresh the page to see changes.')
   end
 
   private
@@ -143,7 +143,7 @@ class Projects::BranchesController < Projects::ApplicationController
   def redirect_for_legacy_index_sort_or_search
     # Normalize a legacy URL with redirect
     if request.format != :json && !params[:state].presence && [:sort, :search, :page].any? { |key| params[key].presence }
-      redirect_to project_branches_filtered_path(@project, state: 'all'), notice: 'Update your bookmarked URLs as filtered/sorted branches URL has been changed.'
+      redirect_to project_branches_filtered_path(@project, state: 'all'), notice: _('Update your bookmarked URLs as filtered/sorted branches URL has been changed.')
     end
   end
 

app/controllers/projects/deploy_keys_controller.rb

@@ -38,7 +38,7 @@ class Projects::DeployKeysController < Projects::ApplicationController
 
   def update
     if deploy_key.update(update_params)
-      flash[:notice] = 'Deploy key was successfully updated.'
+      flash[:notice] = _('Deploy key was successfully updated.')
       redirect_to_repository_settings(@project, anchor: 'js-deploy-keys-settings')
     else
       render 'edit'

app/controllers/projects/group_links_controller.rb

@@ -18,7 +18,7 @@ class Projects::GroupLinksController < Projects::ApplicationController
 
       flash[:alert] = result[:message] if result[:http_status] == 409
     else
-      flash[:alert] = 'Please select a group.'
+      flash[:alert] = _('Please select a group.')
     end
 
     redirect_to project_project_members_path(project)

app/controllers/projects/hooks_controller.rb

@@ -32,7 +32,7 @@ class Projects::HooksController < Projects::ApplicationController
 
   def update
     if hook.update(hook_params)
-      flash[:notice] = 'Hook was successfully updated.'
+      flash[:notice] = _('Hook was successfully updated.')
       redirect_to project_settings_integrations_path(@project)
     else
       render 'edit'

app/controllers/projects/imports_controller.rb

@@ -42,9 +42,9 @@ class Projects::ImportsController < Projects::ApplicationController
 
   def finished_notice
     if @project.forked?
-      'The project was successfully forked.'
+      _('The project was successfully forked.')
     else
-      'The project was successfully imported.'
+      _('The project was successfully imported.')
     end
   end
 

app/controllers/projects/issues_controller.rb

@@ -95,9 +95,9 @@ class Projects::IssuesController < Projects::ApplicationController
 
     if service.discussions_to_resolve.count(&:resolved?) > 0
       flash[:notice] = if service.discussion_to_resolve_id
-                         "Resolved 1 discussion."
+                         _("Resolved 1 discussion.")
                        else
-                         "Resolved all discussions."
+                         _("Resolved all discussions.")
                        end
     end
 

app/controllers/projects/jobs_controller.rb

@@ -122,7 +122,7 @@ class Projects::JobsController < Projects::ApplicationController
   def erase
     if @build.erase(erased_by: current_user)
       redirect_to project_job_path(project, @build),
-                notice: "Job has been successfully erased!"
+                notice: _("Job has been successfully erased!")
     else
       respond_422
     end

app/controllers/projects/labels_controller.rb

@@ -132,7 +132,7 @@ class Projects::LabelsController < Projects::ApplicationController
       respond_to do |format|
         format.html do
           redirect_to(project_labels_path(@project),
-                      notice: 'Failed to promote label due to internal error. Please contact administrators.')
+                      notice: _('Failed to promote label due to internal error. Please contact administrators.'))
         end
         format.js
       end

app/controllers/projects/lfs_api_controller.rb

@@ -26,7 +26,7 @@ class Projects::LfsApiController < Projects::GitHttpClientController
   def deprecated
     render(
       json: {
-        message: 'Server supports batch API only, please update your Git LFS client to version 1.0.1 and up.',
+        message: _('Server supports batch API only, please update your Git LFS client to version 1.0.1 and up.'),
         documentation_url: "#{Gitlab.config.gitlab.url}/help"
       },
       status: :not_implemented
@@ -62,7 +62,7 @@ class Projects::LfsApiController < Projects::GitHttpClientController
       else
         object[:error] = {
           code: 404,
-          message: "Object does not exist on the server or you don't have permissions to access it"
+          message: _("Object does not exist on the server or you don't have permissions to access it")
         }
       end
     end

app/controllers/projects/merge_requests/conflicts_controller.rb

@@ -16,12 +16,12 @@ class Projects::MergeRequests::ConflictsController < Projects::MergeRequests::Ap
           render json: @conflicts_list
         elsif @merge_request.can_be_merged?
           render json: {
-            message: 'The merge conflicts for this merge request have already been resolved. Please return to the merge request.',
+            message: _('The merge conflicts for this merge request have already been resolved. Please return to the merge request.'),
             type: 'error'
           }
         else
           render json: {
-            message: 'The merge conflicts for this merge request cannot be resolved through GitLab. Please try to resolve them locally.',
+            message: _('The merge conflicts for this merge request cannot be resolved through GitLab. Please try to resolve them locally.'),
             type: 'error'
           }
         end
@@ -43,7 +43,7 @@ class Projects::MergeRequests::ConflictsController < Projects::MergeRequests::Ap
     return render_404 unless @conflicts_list.can_be_resolved_in_ui?
 
     if @merge_request.can_be_merged?
-      render status: :bad_request, json: { message: 'The merge conflicts for this merge request have already been resolved.' }
+      render status: :bad_request, json: { message: _('The merge conflicts for this merge request have already been resolved.') }
       return
     end
 
@@ -52,7 +52,7 @@ class Projects::MergeRequests::ConflictsController < Projects::MergeRequests::Ap
         .new(merge_request)
         .execute(current_user, params)
 
-      flash[:notice] = 'All merge conflicts were resolved. The merge request can now be merged.'
+      flash[:notice] = _('All merge conflicts were resolved. The merge request can now be merged.')
 
       render json: { redirect_to: project_merge_request_url(@project, @merge_request, resolved_conflicts: true) }
     rescue Gitlab::Git::Conflict::Resolver::ResolutionError => e

app/controllers/projects/mirrors_controller.rb

@@ -18,7 +18,7 @@ class Projects::MirrorsController < Projects::ApplicationController
     result = ::Projects::UpdateService.new(project, current_user, mirror_params).execute
 
     if result[:status] == :success
-      flash[:notice] = 'Mirroring settings were successfully updated.'
+      flash[:notice] = _('Mirroring settings were successfully updated.')
     else
       flash[:alert] = project.errors.full_messages.join(', ').html_safe
     end
@@ -38,7 +38,7 @@ class Projects::MirrorsController < Projects::ApplicationController
   def update_now
     if params[:sync_remote]
       project.update_remote_mirrors
-      flash[:notice] = "The remote repository is being updated..."
+      flash[:notice] = _("The remote repository is being updated...")
     end
 
     redirect_to_repository_settings(project, anchor: 'js-push-remote-settings')

app/controllers/projects/pipeline_schedules_controller.rb

@@ -50,9 +50,11 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
     job_id = RunPipelineScheduleWorker.perform_async(schedule.id, current_user.id)
 
     if job_id
-      flash[:notice] = "Successfully scheduled a pipeline to run. Go to the <a href=\"#{project_pipelines_path(@project)}\">Pipelines page</a> for details.".html_safe
+      link_to_pipelines = view_context.link_to(_('Pipelines page'), project_pipelines_path(@project))
+      message = _("Successfully scheduled a pipeline to run. Go to the %{link_to_pipelines} for details.").html_safe % { link_to_pipelines: link_to_pipelines }
+      flash[:notice] = message.html_safe
     else
-      flash[:alert] = 'Unable to schedule a pipeline to run immediately'
+      flash[:alert] = _('Unable to schedule a pipeline to run immediately')
     end
 
     redirect_to pipeline_schedules_path(@project)
@@ -85,7 +87,7 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
 
     return unless limiter.throttled?([current_user, schedule], 1)
 
-    flash[:alert] = 'You cannot play this scheduled pipeline at the moment. Please wait a minute.'
+    flash[:alert] = _('You cannot play this scheduled pipeline at the moment. Please wait a minute.')
     redirect_to pipeline_schedules_path(@project)
   end
 

app/controllers/projects/runners_controller.rb

@@ -15,7 +15,7 @@ class Projects::RunnersController < Projects::ApplicationController
 
   def update
     if Ci::UpdateRunnerService.new(@runner).update(runner_params)
-      redirect_to project_runner_path(@project, @runner), notice: 'Runner was successfully updated.'
+      redirect_to project_runner_path(@project, @runner), notice: _('Runner was successfully updated.')
     else
       render 'edit'
     end
@@ -31,17 +31,17 @@ class Projects::RunnersController < Projects::ApplicationController
 
   def resume
     if Ci::UpdateRunnerService.new(@runner).update(active: true)
-      redirect_to project_runners_path(@project), notice: 'Runner was successfully updated.'
+      redirect_to project_runners_path(@project), notice: _('Runner was successfully updated.')
     else
-      redirect_to project_runners_path(@project), alert: 'Runner was not updated.'
+      redirect_to project_runners_path(@project), alert: _('Runner was not updated.')
     end
   end
 
   def pause
     if Ci::UpdateRunnerService.new(@runner).update(active: false)
-      redirect_to project_runners_path(@project), notice: 'Runner was successfully updated.'
+      redirect_to project_runners_path(@project), notice: _('Runner was successfully updated.')
     else
-      redirect_to project_runners_path(@project), alert: 'Runner was not updated.'
+      redirect_to project_runners_path(@project), alert: _('Runner was not updated.')
     end
   end
 

app/controllers/projects/services_controller.rb

@@ -43,20 +43,20 @@ class Projects::ServicesController < Projects::ApplicationController
       if outcome[:success]
         {}
       else
-        { error: true, message: 'Test failed.', service_response: outcome[:result].to_s, test_failed: true }
+        { error: true, message: _('Test failed.'), service_response: outcome[:result].to_s, test_failed: true }
       end
     else
-      { error: true, message: 'Validations failed.', service_response: @service.errors.full_messages.join(','), test_failed: false }
+      { error: true, message: _('Validations failed.'), service_response: @service.errors.full_messages.join(','), test_failed: false }
     end
   rescue Gitlab::HTTP::BlockedUrlError => e
-    { error: true, message: 'Test failed.', service_response: e.message, test_failed: true }
+    { error: true, message: _('Test failed.'), service_response: e.message, test_failed: true }
   end
 
   def success_message
     if @service.active?
-      "#{@service.title} activated."
+      _("%{service_title} activated.") % { service_title: @service.title }
     else
-      "#{@service.title} settings saved, but not activated."
+      _("%{service_title} settings saved, but not activated.") % { service_title: @service.title }
     end
   end
 

app/controllers/projects/settings/ci_cd_controller.rb

@@ -13,7 +13,7 @@ module Projects
         Projects::UpdateService.new(project, current_user, update_params).tap do |service|
           result = service.execute
           if result[:status] == :success
-            flash[:notice] = "Pipelines settings for '#{@project.name}' were successfully updated."
+            flash[:notice] = _("Pipelines settings for '%{project_name}' were successfully updated.") % { project_name: @project.name }
 
             run_autodevops_pipeline(service)
 
@@ -39,7 +39,7 @@ module Projects
       def reset_registration_token
         @project.reset_runners_token!
 
-        flash[:notice] = 'New runners registration token has been generated!'
+        flash[:notice] = _('New runners registration token has been generated!')
         redirect_to namespace_project_settings_ci_cd_path
       end
 
@@ -58,7 +58,7 @@ module Projects
         return unless service.run_auto_devops_pipeline?
 
         if @project.empty_repo?
-          flash[:warning] = "This repository is currently empty. A new Auto DevOps pipeline will be created after a new file has been pushed to a branch."
+          flash[:warning] = _("This repository is currently empty. A new Auto DevOps pipeline will be created after a new file has been pushed to a branch.")
           return
         end
 

app/controllers/projects/tree_controller.rb

@@ -37,7 +37,7 @@ class Projects::TreeController < Projects::ApplicationController
   def create_dir
     return render_404 unless @commit_params.values.all?
 
-    create_commit(Files::CreateDirService,  success_notice: "The directory has been successfully created.",
+    create_commit(Files::CreateDirService,  success_notice: _("The directory has been successfully created."),
                                             success_path: project_tree_path(@project, File.join(@branch_name, @dir_name)),
                                             failure_path: project_tree_path(@project, @ref))
   end

app/controllers/projects/triggers_controller.rb

@@ -16,9 +16,9 @@ class Projects::TriggersController < Projects::ApplicationController
     @trigger = project.triggers.create(trigger_params.merge(owner: current_user))
 
     if @trigger.valid?
-      flash[:notice] = 'Trigger was created successfully.'
+      flash[:notice] = _('Trigger was created successfully.')
     else
-      flash[:alert] = 'You could not create a new trigger.'
+      flash[:alert] = _('You could not create a new trigger.')
     end
 
     redirect_to project_settings_ci_cd_path(@project, anchor: 'js-pipeline-triggers')
@@ -26,9 +26,9 @@ class Projects::TriggersController < Projects::ApplicationController
 
   def take_ownership
     if trigger.update(owner: current_user)
-      flash[:notice] = 'Trigger was re-assigned.'
+      flash[:notice] = _('Trigger was re-assigned.')
     else
-      flash[:alert] = 'You could not take ownership of trigger.'
+      flash[:alert] = _('You could not take ownership of trigger.')
     end
 
     redirect_to project_settings_ci_cd_path(@project, anchor: 'js-pipeline-triggers')
@@ -39,7 +39,7 @@ class Projects::TriggersController < Projects::ApplicationController
 
   def update
     if trigger.update(trigger_params)
-      redirect_to project_settings_ci_cd_path(@project, anchor: 'js-pipeline-triggers'), notice: 'Trigger was successfully updated.'
+      redirect_to project_settings_ci_cd_path(@project, anchor: 'js-pipeline-triggers'), notice: _('Trigger was successfully updated.')
     else
       render action: "edit"
     end
@@ -47,9 +47,9 @@ class Projects::TriggersController < Projects::ApplicationController
 
   def destroy
     if trigger.destroy
-      flash[:notice] = "Trigger removed."
+      flash[:notice] = _("Trigger removed.")
     else
-      flash[:alert] = "Could not remove the trigger."
+      flash[:alert] = _("Could not remove the trigger.")
     end
 
     redirect_to project_settings_ci_cd_path(@project, anchor: 'js-pipeline-triggers'), status: :found

app/controllers/projects/wikis_controller.rb

@@ -49,7 +49,7 @@ class Projects::WikisController < Projects::ApplicationController
     if @page.valid?
       redirect_to(
         project_wiki_path(@project, @page),
-        notice: 'Wiki was successfully updated.'
+        notice: _('Wiki was successfully updated.')
       )
     else
       render 'edit'
@@ -65,7 +65,7 @@ class Projects::WikisController < Projects::ApplicationController
     if @page.persisted?
       redirect_to(
         project_wiki_path(@project, @page),
-        notice: 'Wiki was successfully updated.'
+        notice: _('Wiki was successfully updated.')
       )
     else
       render action: "edit"
@@ -85,7 +85,7 @@ class Projects::WikisController < Projects::ApplicationController
     else
       redirect_to(
         project_wiki_path(@project, :home),
-        notice: "Page not found"
+        notice: _("Page not found")
       )
     end
   end
@@ -95,7 +95,7 @@ class Projects::WikisController < Projects::ApplicationController
 
     redirect_to project_wiki_path(@project, :home),
                 status: 302,
-                notice: "Page was successfully deleted"
+                notice: _("Page was successfully deleted")
   rescue Gitlab::Git::Wiki::OperationError => e
     @error = e
     render 'edit'
@@ -118,7 +118,7 @@ class Projects::WikisController < Projects::ApplicationController
       @sidebar_wiki_entries = WikiPage.group_by_directory(@project_wiki.pages(limit: 15))
     end
   rescue ProjectWiki::CouldNotCreateWikiError
-    flash[:notice] = "Could not create Wiki Repository at this time. Please try again later."
+    flash[:notice] = _("Could not create Wiki Repository at this time. Please try again later.")
     redirect_to project_path(@project)
     false
   end
@@ -155,7 +155,7 @@ class Projects::WikisController < Projects::ApplicationController
   end
 
   def set_encoding_error
-    flash.now[:notice] = "The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository."
+    flash.now[:notice] = _("The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository.")
   end
 
   def file_blob