Show different status matrices per tab

app/components/workflows/blankslate_component.html.erb

@@ -0,0 +1,43 @@
+<%#-- copyright
+OpenProject is an open source project management software.
+Copyright (C) the OpenProject GmbH
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License version 3.
+
+OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+Copyright (C) 2006-2013 Jean-Philippe Lang
+Copyright (C) 2010-2013 the ChiliProject Team
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+See COPYRIGHT and LICENSE files for more details.
+
+++#%>
+
+<%=
+  render(Primer::Beta::Blankslate.new(border: true)) do |blankslate|
+    blankslate.with_heading(tag: :h2).with_content(t("admin.workflows.blankslate.title"))
+    blankslate.with_description_content(t("admin.workflows.blankslate.description"))
+    blankslate.with_primary_action(
+      href: helpers.status_dialog_workflows_path(role_id: @role.id, type_id: @type.id, tab: @tab),
+      scheme: :secondary,
+      data: { controller: "async-dialog" }
+    ) do |button|
+      button.with_leading_visual_icon(icon: :plus)
+      t("admin.workflows.status_button")
+    end
+  end
+%>

app/components/workflows/blankslate_component.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See COPYRIGHT and LICENSE files for more details.
+#++
+
+module Workflows
+  class BlankslateComponent < ApplicationComponent
+    include OpPrimer::ComponentHelpers
+
+    def initialize(role:, type:, tab:)
+      super
+      @role = role
+      @type = type
+      @tab = tab
+    end
+  end
+end

app/controllers/workflows_controller.rb

@@ -154,7 +154,11 @@ class WorkflowsController < ApplicationController
   end
 
   def role_type_statuses
-    @type.statuses(role: @role)
+    @type.statuses(role: @role, tab: current_tab)
+  end
+
+  def current_tab
+    params[:tab] || "always"
   end
 
   def workflows_for_form

app/models/type.rb

@@ -86,16 +86,28 @@ class Type < ApplicationRecord
     name <=> other.name
   end
 
-  def self.statuses(types, role: nil) # rubocop:disable Metrics/AbcSize
+  def self.statuses(types, role: nil, tab: nil) # rubocop:disable Metrics/AbcSize
     workflow_table, status_table = [Workflow, Status].map(&:arel_table)
     old_id_subselect, new_id_subselect = %i[old_status_id new_status_id].map do |foreign_key|
       subquery = workflow_table.project(workflow_table[foreign_key]).where(workflow_table[:type_id].in(types))
       subquery = subquery.where(workflow_table[:role_id].eq(role.id)) if role
+      subquery = apply_tab_condition(subquery, workflow_table, tab) if tab
       subquery
     end
     Status.where(status_table[:id].in(old_id_subselect).or(status_table[:id].in(new_id_subselect)))
   end
 
+  def self.apply_tab_condition(subquery, workflow_table, tab)
+    case tab
+    when "author"
+      subquery.where(workflow_table[:author].eq(true))
+    when "assignee"
+      subquery.where(workflow_table[:assignee].eq(true))
+    else
+      subquery.where(workflow_table[:author].eq(false).and(workflow_table[:assignee].eq(false)))
+    end
+  end
+
   def self.standard_type
     where(is_standard: true).first
   end
@@ -104,13 +116,13 @@ class Type < ApplicationRecord
     includes(:projects).where(projects: { id: project })
   end
 
-  def statuses(include_default: false, role: nil)
+  def statuses(include_default: false, role: nil, tab: nil)
     if new_record?
       Status.none
     elsif include_default
-      self.class.statuses([id], role:).or(Status.where_default)
+      self.class.statuses([id], role:, tab:).or(Status.where_default)
     else
-      self.class.statuses([id], role:)
+      self.class.statuses([id], role:, tab:)
     end
   end
 

app/views/workflows/edit.html.erb

@@ -55,6 +55,8 @@ See COPYRIGHT and LICENSE files for more details.
             end
           %>
         <% end %>
-      <% end %>
+    <% else %>
+      <%= render Workflows::BlankslateComponent.new(role: @role, type: @type, tab: params[:tab]) %>
+    <% end %>
   <% end %>
 <% end %>

config/locales/en.yml

@@ -418,6 +418,9 @@ en:
       role_selector:
         label: "Role: %{role}"
         no_role: "Select role"
+      blankslate:
+        title: "No status transitions configured"
+        description: "Add statuses to start configuring workflows for this role"
 
   authentication:
     login_and_registration: "Login and registration"

frontend/src/global_styles/content/work_packages/_workflows.sass

@@ -35,9 +35,9 @@
     tbody
       span.workflow-table--turned-header
         white-space: nowrap
-        transform: rotate(270deg)
+        transform: rotate(270deg) translateX(-50%)
         position: absolute
-        top: 235px
+        top: 50%
         left: 0px
         transform-origin: 0 0
         text-transform: uppercase