Adding a welcoming page prompting to add a Provider

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1678190

app/views/ems_cloud/show_list.html.haml

@@ -1 +1,5 @@
-#main_div= render :partial => "layouts/gtl"
+#main_div
+  - if EmsCloud.any?
+    = render :partial => "layouts/gtl"
+  - else
+    = render :partial => 'layouts/empty', :locals => {:type => _("Cloud")}

app/views/ems_container/show_list.html.haml

@@ -1,2 +1,5 @@
 #main_div
-  = render :partial => 'layouts/gtl'
+  - if Container.any?
+    = render :partial => 'layouts/gtl'
+  - else
+    = render :partial => 'layouts/empty', :locals => {:type => _("Containers")}

app/views/ems_infra/show_list.html.haml

@@ -1,2 +1,5 @@
 #main_div
-  = render :partial => 'layouts/gtl'
+  - if EmsInfra.any?
+    = render :partial => 'layouts/gtl'
+  - else
+    = render :partial => 'layouts/empty', :locals => {:type => _("Infrastructure")}

app/views/ems_network/show_list.html.haml

@@ -1 +1,5 @@
-#main_div= render :partial => "layouts/gtl"
+#main_div
+  - if EmsNetwork.any?
+    = render :partial => "layouts/gtl"
+  - else
+    = render :partial => 'layouts/empty', :locals => {:type => _("Network")}

app/views/ems_physical_infra/show_list.html.haml

@@ -1,2 +1,5 @@
 #main_div
-  = render :partial => 'layouts/gtl'
+  - if EmsPhysicalInfra.any?
+    = render :partial => 'layouts/gtl'
+  - else
+    = render :partial => 'layouts/empty', :locals => {:type => _("Physical Infrastructure")}

app/views/layouts/_empty.html.haml

@@ -0,0 +1,19 @@
+.blank-slate-pf
+  .blank-slate-pf-icon
+    %span.pficon.pficon-add-circle-o
+  %h1= _("Add a Provider")
+  %p
+    = _("You don't have any providers to display. Please add a Provider.")
+  %p
+    = _("Learn more about this")
+    %a{:href => 'https://manageiq.org/docs/get-started/add-a-provider',
+       :target => '_blank'}
+      = _("in the documentation.")
+  .blank-slate-pf-main-action
+    = link_to(_("Add a Provider"),
+      {:action => 'new'},
+      :class => 'btn btn-primary btn-lg',
+      "data-miq_sparkle_on" => true,
+      "data-miq_sparkle_off" => true,
+      "data-method" => :post,
+      :title => _("Add a new %{provider_type} Provider") % {:provider_type => type})

config/routes.rb

@@ -1201,6 +1201,7 @@
       ) +
         compare_get,
       :post => %w(
+        new
         button
         create
         dynamic_checkbox_refresh
@@ -1296,6 +1297,7 @@
         tagging_edit
       ),
       :post => %w(
+        new
         button
         create
         form_field_changed
@@ -1351,6 +1353,7 @@
         change_password
       ),
       :post => %w(
+        new
         button
         create
         listnav_search_selected
@@ -1531,6 +1534,7 @@
         tag_edit_form_field_changed
       ),
       :post => %w(
+        new
         button
         create
         dynamic_checkbox_refresh
@@ -1568,6 +1572,7 @@
         tag_edit_form_field_changed
       ),
       :post => %w(
+        new
         button
         create
         dynamic_checkbox_refresh