Candidates charts

app/controllers/decidim/stratified_sortitions/admin/stratified_sortitions_controller.rb

@@ -104,19 +104,8 @@ def upload_sample
           @sample_participants_count = @stratified_sortition.sample_participants.count
           @last_sample = SampleImport.where(stratified_sortition: @stratified_sortition).order(created_at: :desc).first
           @samples = SampleImport.where(stratified_sortition: @stratified_sortition).order(created_at: :asc)
-
-          @strata_data = @stratified_sortition.strata.map do |stratum|
-            chart_data = stratum.substrata.map do |substratum|
-              weighing_value = substratum.weighing.present? ? substratum.weighing.to_f : 0.0
-              label_with_percentage = "#{translated_attribute(substratum.name)} (#{weighing_value}%)"
-              [label_with_percentage, weighing_value]
-            end
-            chart_data = chart_data.reject { |_name, value| value.zero? }
-            {
-              stratum:,
-              chart_data:,
-            }
-          end
+          @strata_data = strata_data(@stratified_sortition)
+          @candidates_data = candidates_data(@stratified_sortition)
         end
 
         private
@@ -144,6 +133,71 @@ def blank_stratum
         def blank_substratum(stratum_form)
           Decidim::StratifiedSortitions::Admin::SubstratumForm.new(stratum: stratum_form.model)
         end
+
+        def strata_data(stratified_sortition)
+          stratified_sortition.strata.map do |stratum|
+            chart_data = stratum.substrata.map do |substratum|
+              weighing_value = substratum.weighing.present? ? substratum.weighing.to_f : 0.0
+              label_with_percentage = "#{translated_attribute(substratum.name)} (#{weighing_value}%)"
+              [label_with_percentage, weighing_value]
+            end
+            chart_data = chart_data.reject { |_name, value| value.zero? }
+            {
+              stratum:,
+              chart_data:,
+            }
+          end
+        end
+
+        def candidates_data(stratified_sortition)
+          sample_candidates_ids = stratified_sortition.sample_participants.pluck(:id)
+          sample_candidates_stratum = fetch_sample_candidates_stratum(sample_candidates_ids)
+          by_stratum = group_by_stratum(sample_candidates_stratum)
+          by_stratum_and_substratum = group_by_stratum_and_substratum(sample_candidates_stratum)
+
+          stratified_sortition.strata.map do |stratum|
+            build_stratum_chart(stratum, by_stratum, by_stratum_and_substratum)
+          end
+        end
+
+        def fetch_sample_candidates_stratum(sample_candidates_ids)
+          Decidim::StratifiedSortitions::SampleParticipantStratum
+            .where(decidim_stratified_sortitions_sample_participant_id: sample_candidates_ids)
+            .select(:decidim_stratified_sortitions_sample_participant_id,
+                    :decidim_stratified_sortitions_stratum_id,
+                    :decidim_stratified_sortitions_substratum_id)
+            .distinct
+            .to_a
+        end
+
+        def group_by_stratum(sample_candidates_stratum)
+          sample_candidates_stratum.group_by(&:decidim_stratified_sortitions_stratum_id)
+        end
+
+        def group_by_stratum_and_substratum(sample_candidates_stratum)
+          sample_candidates_stratum.group_by do |s|
+            [s.decidim_stratified_sortitions_stratum_id, s.decidim_stratified_sortitions_substratum_id]
+          end
+        end
+
+        def build_stratum_chart(stratum, by_stratum, by_stratum_and_substratum)
+          substrata = stratum.substrata
+          total = by_stratum[stratum.id]&.map(&:decidim_stratified_sortitions_sample_participant_id)&.uniq&.count || 0
+          chart_data = substrata.map do |substratum|
+            build_substratum_chart_row(stratum, substratum, by_stratum_and_substratum, total)
+          end
+          chart_data = chart_data.reject { |_name, value| value.zero? }
+          { stratum:, chart_data: }
+        end
+
+        def build_substratum_chart_row(stratum, substratum, by_stratum_and_substratum, total)
+          ids = (by_stratum_and_substratum[[stratum.id, substratum.id]] || [])
+                .map(&:decidim_stratified_sortitions_sample_participant_id).uniq
+          count = ids.count
+          percentage = total.positive? ? ((count.to_f / total) * 100).round(1) : 0.0
+          label = "#{translated_attribute(substratum.name)} (#{percentage}%)"
+          [label, count]
+        end
       end
     end
   end

app/packs/stylesheets/decidim/stratified_sortitions/admin/stratified_sortitions.scss

@@ -30,10 +30,8 @@
 
 .chart-row {
   display: flex;
-  gap: 4em;
   margin-top: 1em;
-  flex-wrap: wrap;
-  justify-content: start;
+  justify-content: space-around;
 }
 
 .chart-col {
@@ -42,12 +40,24 @@
   max-width: 450px;
   display: flex;
   flex-direction: column;
+  margin-top: 1em;
 }
 
 .chart-place {
   max-width: 380px;
 }
 
+.charts-column {
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.target {
+  border-right: 1px solid #6B7280CC;
+}
+
 @media (max-width: 900px) {
   .chart-row {
     gap: 2em;

app/views/decidim/stratified_sortitions/admin/stratified_sortitions/_strata_charts.html.erb

@@ -0,0 +1,19 @@
+<span>
+  <h1 class="item_show__header-title">
+    <%= local_assigns[:title] || "" %>
+  </h1>
+</span>
+<% (strata_data || []).each do |stratum_data| %>
+  <div class="column chart-col">
+    <b><%= translated_attribute(stratum_data[:stratum].name).upcase %></b>
+    <% if stratum_data[:chart_data].present? %>
+      <%= pie_chart stratum_data[:chart_data],
+          legend: "bottom",
+          donut: false %>
+    <% else %>
+      <p class="text-muted">
+        <%= t('decidim.stratified_sortitions.admin.stratified_sortitions.upload_sample.no_data') %>
+      </p>
+    <% end %>
+  </div>
+<% end %>

app/views/decidim/stratified_sortitions/admin/stratified_sortitions/upload_sample.html.erb

@@ -22,7 +22,6 @@
   <div class="row mt-4">
     <%= form_tag samples_path(id: @stratified_sortition.id), multipart: true, class: 'form' do %>
       <div class="flex">
-
         <%= file_field_tag :file, id: 'sample-file-input' %>
 
         <% if @stratified_sortition.strata_and_substrata_configured? %>
@@ -61,25 +60,13 @@
     </div>
   </div>
   <div class="mt-4 mb-4">
-    <span>
-      <h1 class="item_show__header-title">
-        <%= t(".target") %>
-      </h1>
-    </span>
     <div class="row chart-row">
-      <% @strata_data.each do |stratum_data| %>
-        <div class="column chart-col">
-          <b><%= translated_attribute(stratum_data[:stratum].name).upcase %></b>
-          <% if stratum_data[:chart_data].present? %>
-            <%= pie_chart stratum_data[:chart_data], 
-                legend: "bottom",
-                donut: false
-            %>
-          <% else %>
-            <p class="text-muted"><%= t('.no_data') %></p>
-          <% end %>
-        </div>
-      <% end %>
+      <div class="col-md-6 charts-column target">
+        <%= render partial: "strata_charts", locals: { strata_data: @strata_data, title: t(".target") } %>
+      </div>
+      <div class="col-md-6 charts-column">
+        <%= render partial: "strata_charts", locals: { strata_data: @candidates_data, title: t(".candidates") } %>
+      </div>
     </div>
     <div class="mt-16 census_file_type">
       <span>

config/locales/ca.yml

@@ -96,6 +96,7 @@ ca:
             success: Sorteig estratificat actualitzat amb èxit
           upload_sample:
             age: Grup d'edat
+            candidates: Candidats
             census_file: Triar un fitxer
             census_file_label: Arxiu excel.csv amb les dades del cens
             configure_strata_first: Primer has de configurar els estrats i subestrats

config/locales/en.yml

@@ -94,6 +94,7 @@ en:
             success: Stratified sortition successfully updated
           upload_sample:
             age: Age group
+            candidates: Candidates
             census_file: Choose a file
             census_file_label: Excel.csv file with census data
             configure_strata_first: You must configure strata and substrata first

config/locales/es.yml

@@ -96,6 +96,7 @@ es:
             success: Sorteo estratificado actualizado con éxito
           upload_sample:
             age: Grupo de edad
+            candidates: Candidatos
             census_file: Elegir un archivo
             census_file_label: Archivo excel.csv con los datos del censo
             configure_strata_first: Primero debes configurar los estratos y subestratos

spec/controllers/decidim/sortitions/admin/stratified_sortitions_controller_spec.rb

@@ -205,6 +205,58 @@ module Admin
             end
           end
         end
+
+        describe "upload_sample" do
+          let(:stratified_sortition) { create(:stratified_sortition) }
+          let(:params) do
+            {
+              participatory_process_slug: component.participatory_space.slug,
+              id: stratified_sortition.id,
+            }
+          end
+
+          before do
+            stratum_1 = create(:stratum, stratified_sortition:, kind: "value", name: { ca: "Gènere", es: "Género", en: "Gender" })
+            substratum_1 = create(:substratum, stratum: stratum_1, name: { ca: "Home", es: "Hombre", en: "Man" }, value: "H", weighing: "50")
+            substratum_2 = create(:substratum, stratum: stratum_1, name: { ca: "Dona", es: "Mujer", en: "Woman" }, value: "D", weighing: "50")
+
+            sample_import = create(:sample_import, stratified_sortition:)
+            participant_1 = create(:sample_participant, decidim_stratified_sortition: stratified_sortition, decidim_stratified_sortitions_sample_import: sample_import)
+            participant_2 = create(:sample_participant, decidim_stratified_sortition: stratified_sortition, decidim_stratified_sortitions_sample_import: sample_import)
+
+            create(:sample_participant_stratum, decidim_stratified_sortitions_sample_participant: participant_1, decidim_stratified_sortitions_stratum: stratum_1, decidim_stratified_sortitions_substratum: substratum_1)
+            create(:sample_participant_stratum, decidim_stratified_sortitions_sample_participant: participant_2, decidim_stratified_sortitions_stratum: stratum_1, decidim_stratified_sortitions_substratum: substratum_2)
+          end
+
+          it "renders the upload_sample template" do
+            get(:upload_sample, params:)
+            expect(response).to render_template(:upload_sample)
+          end
+
+          it "assigns @stratified_sortition" do
+            get(:upload_sample, params:)
+            expect(assigns(:stratified_sortition)).to eq(stratified_sortition)
+          end
+
+          it "assigns @sample_participants_count" do
+            get(:upload_sample, params:)
+            expect(assigns(:sample_participants_count)).to eq(stratified_sortition.sample_participants.count)
+          end
+
+          it "assigns @strata_data and @candidates_data" do
+            get(:upload_sample, params:)
+            expect(assigns(:strata_data)).to be_an(Array)
+            expect(assigns(:candidates_data)).to be_an(Array)
+            expect(assigns(:strata_data).first[:stratum]).to be_present
+            expect(assigns(:candidates_data).first[:stratum]).to be_present
+          end
+
+          it "@candidates_data refleja los datos importados" do
+            get(:upload_sample, params:)
+            imported = assigns(:candidates_data).first[:chart_data].map(&:last)
+            expect(imported.sum).to eq(stratified_sortition.sample_participants.count)
+          end
+        end
       end
     end
   end