Add admin settings page for BTCPay

app/controllers/admin/settings/services_controller.rb

@@ -3,7 +3,7 @@ class Admin::Settings::ServicesController < Admin::SettingsController
     @service = params[:s]
 
     if @service.blank?
-      redirect_to admin_settings_services_path(params: { s: "discourse" })
+      redirect_to admin_settings_services_path(params: { s: "btcpay" })
     end
   end
 

app/views/admin/settings/services/_btcpay.html.erb

@@ -0,0 +1,25 @@
+<h3>BTCPay Server</h3>
+<ul role="list">
+  <%= render FormElements::FieldsetToggleComponent.new(
+    form: f,
+    attribute: :btcpay_enabled,
+    enabled: Setting.btcpay_enabled?,
+    title: "Enable BTCPay integration",
+    description: "BTCPay configuration present and features enabled"
+  ) %>
+<% if Setting.btcpay_enabled? %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :btcpay_api_url,
+        title: "API URL"
+      ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :btcpay_store_id,
+        title: "Store ID"
+      ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :btcpay_auth_token,
+        type: :password,
+        title: "Auth Token"
+      ) %>
+<% end %>
+</ul>

app/views/shared/_admin_sidenav_settings_services.html.erb

@@ -1,3 +1,10 @@
+<%= render SidenavLinkComponent.new(
+  level: 2,
+  name: "BTCPay",
+  path: admin_settings_services_path(params: { s: "btcpay" }),
+  text_icon: Setting.btcpay_enabled? ? "◉" : "○",
+  active: current_page?(admin_settings_services_path(params: { s: "btcpay" })),
+) %>
 <%= render SidenavLinkComponent.new(
   level: 2,
   name: "Discourse",