Use buttons for budgets actions

Using buttons for non-GET actions is better for accessibility, as
mentioned in commit 5311daadf.

app/assets/stylesheets/admin/budgets/actions.scss

@@ -6,7 +6,6 @@
   margin-top: -$gap;
 
   > * {
-    margin-bottom: 0;
     margin-top: $gap;
   }
 
@@ -14,6 +13,11 @@
     margin-top: $line-height;
   }
 
+  a,
+  button {
+    margin-bottom: 0;
+  }
+
   .preview-link {
     @include has-fa-icon(eye, regular);
     @include hollow-button;
@@ -24,4 +28,8 @@
       margin-#{$global-right}: $font-icon-margin;
     }
   }
+
+  .delete {
+    cursor: pointer;
+  }
 }

app/assets/stylesheets/admin/budgets/drafting.scss

@@ -19,7 +19,5 @@
   .publish-link {
     @include regular-button;
     margin-bottom: 0;
-    margin-#{$global-left}: $line-height / 2;
-    margin-top: $vertical-gap;
   }
 }

app/components/admin/budgets/actions_component.html.erb

@@ -8,8 +8,8 @@
 
   <%= link_to t("admin.budgets.actions.preview"), budget_path(budget), class: "preview-link", target: "_blank" %>
 
-  <%= link_to t("admin.budgets.edit.delete"),
+  <%= action(:destroy,
-      admin_budget_path(budget),
+             text: t("admin.budgets.edit.delete"),
              method: :delete,
-      class: "delete" %>
+             class: "delete") %>
 </div>

app/components/admin/budgets/actions_component.rb

@@ -4,4 +4,10 @@ class Admin::Budgets::ActionsComponent < ApplicationComponent
   def initialize(budget)
     @budget = budget
   end
+
+  private
+
+    def action(action_name, **options)
+      render Admin::ActionComponent.new(action_name, budget, **options)
+    end
 end

app/components/admin/budgets/calculate_winners_button_component.html.erb

@@ -1,8 +1,9 @@
 <% if display_button? %>
-  <%= link_to text,
+  <%= render Admin::ActionComponent.new(
-              calculate_winners_admin_budget_path(budget),
+    :calculate_winners,
-              method: :put,
+    budget,
-              class: html_class %>
+    text: text, method: :put, class: html_class
+  ) %>
 <% elsif from_investments %>
   <span class="button hollow disabled float-right clear">
     <%= t("admin.budgets.winners.calculate") %>

app/components/admin/budgets/drafting_component.html.erb

@@ -3,8 +3,9 @@
     <strong><%= t("admin.budgets.edit.drafting") %></strong>
   </div>
 
-  <%= link_to t("admin.budgets.edit.publish"),
+  <%= render Admin::ActionComponent.new(
-              publish_admin_budget_path(budget),
+    :publish,
-              method: :patch, class: "publish-link",
+    budget,
-              data: { confirm: t("admin.actions.confirm") } %>
+    text: t("admin.budgets.edit.publish"), method: :patch, confirm: true
+  ) %>
 </div>

spec/system/admin/budget_investments_spec.rb

@@ -496,11 +496,11 @@ describe "Admin budget investments", :admin do
       check "Winners"
       click_button "Filter"
 
-      expect(page).to have_link "Calculate Winner Investments"
+      expect(page).to have_button "Calculate Winner Investments"
 
       visit edit_admin_budget_path(budget)
 
-      expect(page).to have_link "Calculate Winner Investments"
+      expect(page).to have_button "Calculate Winner Investments"
 
       select "Accepting projects", from: "Active phase"
       click_button "Update Budget"
@@ -513,14 +513,14 @@ describe "Admin budget investments", :admin do
       check "Winners"
       click_button "Filter"
 
-      expect(page).not_to have_link "Calculate Winner Investments"
+      expect(page).not_to have_button "Calculate Winner Investments"
       expect(page).to have_content 'The budget has to stay on phase "Balloting projects", '\
                                    '"Reviewing Ballots" or "Finished budget" in order '\
                                    "to calculate winners projects"
 
       visit edit_admin_budget_path(budget)
 
-      expect(page).not_to have_link "Calculate Winner Investments"
+      expect(page).not_to have_button "Calculate Winner Investments"
     end
 
     scenario "Filtering by minimum number of votes" do

spec/system/admin/budgets_spec.rb

@@ -124,11 +124,11 @@ describe "Admin budgets", :admin do
     scenario "Can preview a budget after it is published" do
       visit edit_admin_budget_path(budget)
 
-      accept_confirm { click_link "Publish budget" }
+      accept_confirm { click_button "Publish budget" }
 
       expect(page).to have_content "Participatory budget published successfully"
       expect(page).not_to have_content "This participatory budget is in draft mode"
-      expect(page).not_to have_link "Publish budget"
+      expect(page).not_to have_button "Publish budget"
 
       within_window(window_opened_by { click_link "Preview" }) do
         expect(page).to have_current_path budget_path(budget)
@@ -142,7 +142,7 @@ describe "Admin budgets", :admin do
 
     scenario "Destroy a budget without investments" do
       visit edit_admin_budget_path(budget)
-      click_link "Delete budget"
+      click_button "Delete budget"
 
       expect(page).to have_content("Budget deleted successfully")
       expect(page).to have_content("There are no budgets.")
@@ -153,7 +153,7 @@ describe "Admin budgets", :admin do
       budget.valuators << create(:valuator)
 
       visit edit_admin_budget_path(budget)
-      click_link "Delete budget"
+      click_button "Delete budget"
 
       expect(page).to have_content "Budget deleted successfully"
       expect(page).to have_content "There are no budgets."
@@ -163,7 +163,7 @@ describe "Admin budgets", :admin do
       create(:budget_investment, heading: heading)
 
       visit edit_admin_budget_path(budget)
-      click_link "Delete budget"
+      click_button "Delete budget"
 
       expect(page).to have_content("You cannot delete a budget that has associated investments")
       expect(page).to have_content("There is 1 budget")
@@ -173,7 +173,7 @@ describe "Admin budgets", :admin do
       create(:poll, budget: budget)
 
       visit edit_admin_budget_path(budget)
-      click_link "Delete budget"
+      click_button "Delete budget"
 
       expect(page).to have_content("You cannot delete a budget that has an associated poll")
       expect(page).to have_content("There is 1 budget")
@@ -335,7 +335,9 @@ describe "Admin budgets", :admin do
 
       visit edit_admin_budget_path(budget)
       expect(page).not_to have_content "See results"
-      click_link "Calculate Winner Investments"
+
+      click_button "Calculate Winner Investments"
+
       expect(page).to have_content "Winners being calculated, it may take a minute."
       expect(page).to have_content winner.title
       expect(page).not_to have_content unselected.title

spec/system/admin/budgets_wizard/budgets_spec.rb

@@ -92,7 +92,7 @@ describe "Budgets wizard, first step", :admin do
 
       expect(page).to have_content "This participatory budget is in draft mode"
       expect(page).to have_link "Preview"
-      expect(page).to have_link "Publish budget"
+      expect(page).to have_button "Publish budget"
     end
   end