Feature: Add federation portals status check (#769)

app/assets/stylesheets/browse.scss

@@ -451,6 +451,25 @@
   margin-top: 10px;
 }
 
+.browse-federation-input-chips{
+  display: flex;
+  flex-wrap: wrap;
+  margin: 0 15px 15px 15px;
+  div {
+    flex-grow: 1;
+  }
+
+  label{
+    display: grid;
+  }
+}
+.browse-federation-input-chip-container{
+  p{
+    font-size: 14px;
+    font-weight: 400;
+    color: #666666;
+  }
+}
 
 @media only screen and (max-width: 1250px) {
   .browse-first-row {

app/assets/stylesheets/components/chips.scss

@@ -32,6 +32,7 @@
 
 }
 .chips-container.disabled div label > span, .chips-container div label span:has(span.disabled){
+    opacity: 60%;
     background-color: #f8f9fa !important;
 }
 
@@ -43,3 +44,39 @@
 .chips-container div label input[type="checkbox"]:checked ~ span .chips-check-icon{
     display:unset;
 }
+
+.chips-container.loading div {
+    cursor: default;
+    opacity: 0.6; 
+}
+
+.chips-container .skeleton {
+    width: 80px; 
+    height: 36px; 
+    background-color: #e0e0e0; 
+    border-radius: 5px; 
+    animation: shimmer 4s infinite; 
+    position: relative; 
+    overflow: hidden; 
+}
+
+@keyframes shimmer {
+    0% {
+        background-position: -200px 0; 
+    }
+    100% {
+        background-position: 200px 0; 
+    }
+}
+
+.chips-container .skeleton::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.6) 50%, rgba(255, 255, 255, 0.2) 100%);
+    animation: shimmer 4s infinite; 
+    border-radius: 5px; 
+}

app/components/chips_component.rb

@@ -1,16 +1,26 @@
 class ChipsComponent < ViewComponent::Base
 
     renders_one :count
-    def initialize(id:nil, name:,  label: nil, value: nil, checked: false, tooltip: nil)
+    def initialize(id:nil, name:,  label: nil, value: nil, checked: false, tooltip: nil, disabled: false, loading: false)
         @id = id || name
         @name = name
         @value = value || 'true'
         @checked = checked
         @label = label || @value
         @tooltip = tooltip
+        @disabled = disabled
+        @loading = loading
     end
 
     def checked?
         @checked
     end
+
+    def disabled_class_name
+        @disabled ? 'disabled' : ''
+    end
+
+    def loading_class_name
+        @loading ? 'loading' : ''
+    end
 end

app/components/chips_component/chips_component.html.haml

@@ -1,9 +1,13 @@
-.chips-container{class: @disabled ?  'disabled' : '', 'data-controller': 'tooltip', title: @tooltip}
+.chips-container{class: "#{disabled_class_name} #{loading_class_name}", 'data-controller': 'tooltip', title: @tooltip}
   %div
-    %label{:for => "chips-#{@id}-check"}
-      %input{:id => "chips-#{@id}-check", :name => @name, :type => "checkbox", :value => @value, checked: checked?, disabled: @disabled}
-      %span
-        = inline_svg_tag 'check.svg', class: 'chips-check-icon'
-        %div
-          = @label
-        = count
+    - if @loading
+      %label
+        %span.skeleton
+    - else
+      %label{:for => "chips-#{@id}-check"}
+        %input{:id => "chips-#{@id}-check", :name => @name, :type => "checkbox", :value => @value, checked: checked?, disabled: @disabled}
+        %span
+          = inline_svg_tag 'check.svg', class: 'chips-check-icon'
+          %div
+            = @label
+          = count

app/controllers/concerns/search_aggregator.rb

@@ -91,7 +91,6 @@ def search_result_elem(class_object, ontology_acronym, title)
     result
   end
 
-
   def ontology_name_acronym(ontologies, selected_acronym)
     ontology = ontologies.select { |x| x.acronym.eql?(selected_acronym.split('/').last) }.first
     "#{ontology.name} (#{ontology.acronym})" if ontology

app/controllers/home_controller.rb

@@ -166,6 +166,15 @@ def annotator_recommender_form
     end
   end
 
+  def federation_portals_status
+    @name = params[:name]
+    @acronym = params[:acronym]
+    @key = params[:portal_name]
+    @checked = params[:checked].eql?('true')
+    @portal_up = federation_portal_status(portal_name: @key.downcase.to_sym)
+    render inline: helpers.federation_chip_component(@key, @name, @acronym, @checked, @portal_up)
+  end
+
   private
 
   # Dr. Musen wants 5 specific groups to appear first, sorted by order of importance.

app/helpers/application_helper.rb

@@ -551,4 +551,5 @@ def categories_select(id: nil, name: nil, selected: 'None')
     categories_for_select = LinkedData::Client::Models::Category.all.map{|x| ["#{x.name} (#{x.acronym})", x.id]}.unshift(["None", ''])
     render Input::SelectComponent.new(id: id, name: name, value: categories_for_select, selected: selected, multiple: true)
   end
+
 end

app/helpers/components_helper.rb

@@ -14,19 +14,19 @@ def alert_component(message, type: "info")
     render Display::AlertComponent.new(type: type, message: message)
   end
 
-  def chips_component(id: , name: , label: , value: , checked: false , tooltip: nil, &block)
+  def chips_component(id: , name: , label: , value: , checked: false , tooltip: nil, disabled: false, &block)
     content_tag(:div, data: { controller: 'tooltip' }, title: tooltip) do
-      check_input(id: id, name: name, value: value, label: label, checked: checked, &block)
+      check_input(id: id, name: name, value: value, label: label, checked: checked, disabled: disabled, &block)
     end
   end
 
-  def group_chip_component(id: nil, name: , object: , checked: , value: nil, title: nil, &block)
+  def group_chip_component(id: nil, name: , object: , checked: , value: nil, title: nil, disabled: false, &block)
     title ||= object["name"]
     value ||= (object["value"] || object["acronym"] || object["id"])
 
     chips_component(id: id || value, name: name, label: object["acronym"],
                     checked: checked,
-                    value: value, tooltip: title, &block)
+                    value: value, tooltip: title, disabled: disabled, &block)
   end
   alias  :category_chip_component :group_chip_component
 
@@ -292,4 +292,14 @@ def form_cancel_button
     end
   end
 
+  def chips_skelton
+    content_tag(:div, class: 'chips-container loading') do
+      content_tag(:div) do
+        content_tag(:label) do
+          content_tag(:span, '', class: 'skeleton')
+        end
+      end
+    end
+  end
+
 end

app/helpers/federation_helper.rb

@@ -124,4 +124,59 @@ def federation_external_class?(class_object)
   end
 
 
+  def federation_portal_status(portal_name: nil)
+    Rails.cache.fetch("federation_portal_up_#{portal_name}", expires_in: 2.hours) do
+      portal_api = federated_portals&.dig(portal_name,:api)
+      return false unless portal_api
+      portal_up = false
+      begin
+        response = Faraday.new(url: portal_api) do |f|
+          f.adapter Faraday.default_adapter
+          f.request :url_encoded
+          f.options.timeout = 20
+          f.options.open_timeout = 20
+        end.head
+        portal_up = response.success?
+      rescue StandardError => e
+        Rails.logger.error("Error checking portal status for #{portal_name}: #{e.message}")
+      end
+      portal_up
+    end
+  end
+
+  def federation_chip_component(key, name, acronym, checked, portal_up)
+    render TurboFrameComponent.new(id:"federation_portals_status_#{key}") do
+      content_tag(:div, style: "cursor: default;") do
+        title = "#{!portal_up ? "#{key.humanize.gsub('portal', 'Portal')} #{t('federation.not_responding')}" : ''}"
+        group_chip_component(name: name,
+                             object: { "acronym" => acronym, "value" => key },
+                             checked: checked,
+                             title: title ,
+                             disabled: !portal_up)
+      end
+    end
+  end
+
+  def federation_input_chips(name: nil)
+    federated_portals.map do |key, config|
+      turbo_frame_component = TurboFrameComponent.new(
+        id: "federation_portals_status_#{key}",
+        src: "status/#{key}?name=#{name}&acronym=#{config[:name]}&checked=#{request_portals.include?(key.to_s)}"
+      )
+
+      content_tag :div do
+        render(turbo_frame_component) do |container|
+          container.loader do
+            render ChipsComponent.new(name: '', loading: true, tooltip: t('federation.check_status', portal: key.to_s.humanize.gsub('portal', 'Portal')))
+          end
+        end
+      end
+    end.join.html_safe
+  end
+
+  def init_federation_portals_status
+    content_tag(:div, class: 'd-none') do
+      federation_input_chips
+    end
+  end
 end

app/helpers/home_helper.rb

@@ -23,12 +23,21 @@ def format_number_abbreviated(number)
   end
 
   def portal_config_tooltip(portal_name, &block)
-    title = render TurboFrameComponent.new(id: "portal_config_tooltip_#{portal_name&.downcase}", src: "/config?portal=#{portal_name&.downcase}", style: "width: 600px !important; max-height: 300px; overflow: scroll")
+    portal_id = portal_name&.downcase
+    title = if federation_portal_status(portal_name: portal_id)
+      render(
+        TurboFrameComponent.new(
+          id: "portal_config_tooltip_#{portal_id}",
+          src: "/config?portal=#{portal_id}",
+          style: "width: 600px !important; max-height: 300px; overflow: scroll"
+        )
+      )
+    end
     render Display::InfoTooltipComponent.new(text: title, interactive: true) do
       capture(&block)
     end
   end
-  
+
   def discover_ontologies_button
     render Buttons::RegularButtonComponent.new(id: 'discover-ontologies-button', value: t('home.discover_ontologies_button'), variant: "secondary", state: "regular", href: "/ontologies") do |btn|
       btn.icon_right do
@@ -43,4 +52,5 @@ def home_ontoportal_description
     content_tag(:div, t('home.ontoportal_description', ontoportal_link: ontoportal_link, github_link: github_link).html_safe, style: "margin-bottom: 20px")
   end
 
+
 end

app/helpers/inputs_helper.rb

@@ -28,8 +28,8 @@ def number_input(name: , label: '', value: )
                                       value: value)
   end
 
-  def check_input(id:, name:, value:, label: '', checked: false, &block)
-    render ChipsComponent.new(name: name, id: id, label: label, value: value, checked: checked) do |c|
+  def check_input(id:, name:, value:, label: '', checked: false, disabled: false, &block)
+    render ChipsComponent.new(name: name, id: id, label: label, value: value, checked: checked, disabled: disabled) do |c|
       if block_given?
         capture(c, &block)
       end

app/views/home/index.html.haml

@@ -230,11 +230,12 @@
         %a{href:logo[:url], target: "_blanc"}
           %img{src: asset_path(logo[:img_src])}
 
+= init_federation_portals_status
+
 :javascript
   function submitAnnotator(){
   document.getElementById("annotator_submit").click()
   }
   function submitRecommender(){
   document.getElementById("recommender_submit").click()
   }
-

app/views/ontologies/browser/browse.html.haml

@@ -73,9 +73,8 @@
                                 = render LoaderComponent.new(small:true)
           .browse-federation-input-chip-container                    
             = render DropdownContainerComponent.new(id: "browse-portal-filter", is_open: !request_portals.empty?, title: t('federation.results_from_external_portals')) do
-              .browse-filter-checks-container.px-1
-                - federated_portals.each do |key, config|
-                  = group_chip_component(name: "portals", object: { "acronym" => config[:name], "value" => key }, checked: request_portals.include?(key.to_s), title: '')
+              .px-1.browse-federation-input-chips
+                = federation_input_chips(name: "portals")
 
         .browse-second-row
           .browse-search-bar

app/views/search/index.html.haml

@@ -19,8 +19,7 @@
               .title 
                 = t('federation.results_from_external_portals')
               .field.d-flex 
-                - federated_portals.each do |key, config|
-                  = group_chip_component(name: "portals[]", object: { "acronym" => config[:name], "value" => key }, checked: request_portals.include?(key.to_s), title: '')
+                = federation_input_chips(name: "portals[]")
           .right
             .filter-container
               .title

config/locales/en.yml

@@ -1506,4 +1506,5 @@ en:
   federation:
     results_from_external_portals: Results from external portals
     from: from
-    not_responding: is not responding.
+    not_responding: is not responding.
+    check_status: Checking %{portal} availability

config/locales/fr.yml

@@ -1544,4 +1544,4 @@ fr:
     results_from_external_portals: Résultats provenant de portails externes
     from: de
     not_responding: ne répond pas.
-
+    check_status: Vérification de la disponibilité de %{portal}

config/routes.rb

@@ -131,6 +131,7 @@
   end
 
   get '' => 'home#index'
+  get 'status/:portal_name', to: 'home#federation_portals_status'
 
   match 'sparql_proxy', to: 'admin#sparql_endpoint', via: [:get, :post]