Extract component to add/remove admin/mod/manager

We remove some duplication by doing so.

app/components/admin/roles/table_actions_component.html.erb

@@ -0,0 +1,7 @@
+<% if already_has_role? %>
+  <%= render Admin::TableActionsComponent.new(record, actions: actions) %>
+<% else %>
+  <%= render Admin::TableActionsComponent.new(actions: []) do %>
+    <%= link_to add_user_text, add_user_path, method: :post, class: "button success expanded" %>
+  <% end %>
+<% end %>

app/components/admin/roles/table_actions_component.rb

@@ -0,0 +1,30 @@
+class Admin::Roles::TableActionsComponent < ApplicationComponent
+  attr_reader :record, :actions
+
+  def initialize(record, actions: [:destroy])
+    @record = record
+    @actions = actions
+  end
+
+  private
+
+    def role
+      record.class.name.tableize
+    end
+
+    def already_has_role?
+      record.persisted?
+    end
+
+    def add_user_text
+      t("admin.#{role}.#{role.singularize}.add")
+    end
+
+    def add_user_path
+      {
+        controller: "admin/#{role}",
+        action: :create,
+        user_id: record.user
+      }
+    end
+end

app/views/admin/administrators/index.html.erb

@@ -29,7 +29,10 @@
             <%= administrator.description %>
           </td>
           <td>
-            <%= render Admin::TableActionsComponent.new(administrator) %>
+            <%= render Admin::Roles::TableActionsComponent.new(
+              administrator,
+              actions: [:edit, :destroy]
+            ) %>
           </td>
         </tr>
       <% end %>

app/views/admin/administrators/search.html.erb

@@ -18,16 +18,7 @@
             <td><%= user.name %></td>
             <td><%= user.email %></td>
             <td>
-              <% if user.administrator? && user.administrator.persisted? %>
-                <%= render Admin::TableActionsComponent.new(user.administrator, actions: [:destroy]) %>
-              <% else %>
-                <%= link_to t("admin.administrators.administrator.add"),
-                            { controller: "admin/administrators",
-                              action: :create,
-                              user_id: user },
-                            method: :post,
-                            class: "button success expanded" %>
-              <% end %>
+              <%= render Admin::Roles::TableActionsComponent.new(user.administrator || user.build_administrator) %>
             </td>
           </tr>
         <% end %>

app/views/admin/managers/index.html.erb

@@ -22,7 +22,7 @@
               <%= manager.email %>
             </td>
             <td>
-              <%= render Admin::TableActionsComponent.new(manager, actions: [:destroy]) %>
+              <%= render Admin::Roles::TableActionsComponent.new(manager) %>
             </td>
           </tr>
         <% end %>

app/views/admin/managers/search.html.erb

@@ -18,16 +18,7 @@
           <td><%= user.name %></td>
           <td><%= user.email %></td>
           <td>
-            <% if user.manager? && user.manager.persisted? %>
-              <%= render Admin::TableActionsComponent.new(user.manager, actions: [:destroy]) %>
-            <% else %>
-              <%= link_to t("admin.managers.manager.add"),
-                          { controller: "admin/managers",
-                            action: :create,
-                            user_id: user },
-                          method: :post,
-                          class: "button success expanded" %>
-            <% end %>
+            <%= render Admin::Roles::TableActionsComponent.new(user.manager || user.build_manager) %>
           </td>
         </tr>
       <% end %>

app/views/admin/moderators/index.html.erb

@@ -24,7 +24,7 @@
               <%= moderator.email %>
             </td>
             <td>
-              <%= render Admin::TableActionsComponent.new(moderator, actions: [:destroy]) %>
+              <%= render Admin::Roles::TableActionsComponent.new(moderator) %>
             </td>
           </tr>
         <% end %>

app/views/admin/moderators/search.html.erb

@@ -18,16 +18,7 @@
           <td><%= user.name %></td>
           <td><%= user.email %></td>
           <td>
-            <% if user.moderator? && user.moderator.persisted? %>
-              <%= render Admin::TableActionsComponent.new(user.moderator, actions: [:destroy]) %>
-            <% else %>
-              <%= link_to t("admin.moderators.moderator.add"),
-                          { controller: "admin/moderators",
-                            action: :create,
-                            user_id: user },
-                          method: :post,
-                          class: "button success expanded" %>
-            <% end %>
+            <%= render Admin::Roles::TableActionsComponent.new(user.moderator || user.build_moderator) %>
           </td>
         </tr>
       <% end %>

spec/components/admin/roles/table_actions_component_spec.rb

@@ -0,0 +1,17 @@
+require "rails_helper"
+
+describe Admin::Roles::TableActionsComponent, type: :component do
+  let(:user) { create(:user) }
+
+  it "renders link to add the role for new records" do
+    render_inline Admin::Roles::TableActionsComponent.new(user.build_manager)
+
+    expect(page).to have_css "a[data-method='post']", text: "Add"
+  end
+
+  it "renders link to remove the role for existing records" do
+    render_inline Admin::Roles::TableActionsComponent.new(create(:manager, user: user))
+
+    expect(page).to have_css "a[data-method='delete']", text: "Delete"
+  end
+end