Use respond_to for request formats

app/controllers/services/lightning_controller.rb

@@ -17,39 +17,40 @@ class Services::LightningController < ApplicationController
   end
 
   def qr_lnurlp
-    lnurlp_url = "https://kosmos.org/.well-known/lnurlp/#{current_user.cn}"
+    respond_to do |format|
-    lnurlp_bech32 = Lnurl.new(lnurlp_url).to_bech32
+      lnurlp_url = "https://kosmos.org/.well-known/lnurlp/#{current_user.cn}"
-    qr_code = RQRCode::QRCode.new("lightning:" + lnurlp_bech32)
+      lnurlp_bech32 = Lnurl.new(lnurlp_url).to_bech32
+      qr_code = RQRCode::QRCode.new("lightning:" + lnurlp_bech32)
 
-    if params[:format] == "svg"
+      format.svg do
-      qr_svg = qr_code.as_svg(
+        qr_svg = qr_code.as_svg(
-        color: "000",
+          color: "000",
-        shape_rendering: "crispEdges",
+          shape_rendering: "crispEdges",
-        module_size: 6,
+          module_size: 6,
-        standalone: true,
+          standalone: true,
-        use_path: true,
+          use_path: true,
-        svg_attributes: {
+          svg_attributes: {
-          class: 'inline-block'
+            class: 'inline-block'
-        }
+          }
-      )
+        )
-      send_data(
+        send_data(
-        qr_svg,
+          qr_svg,
-        filename: "bitcoin-lightning-#{current_user.address}.svg",
+          filename: "bitcoin-lightning-#{current_user.address}.svg",
-        type: "image/svg+xml"
+          type: "image/svg+xml"
-      )
+        )
-    elsif params[:format] == "png"
+      end
-      qr_png = qr_code.as_png(
+      format.png do
-        fill: "white",
+        qr_png = qr_code.as_png(
-        color: "black",
+          fill: "white",
-        size: 1024,
+          color: "black",
-      )
+          size: 1024,
-      send_data(
+        )
-        qr_png,
+        send_data(
-        filename: "bitcoin-lightning-#{current_user.address}.png",
+          qr_png,
-        type: "image/png"
+          filename: "bitcoin-lightning-#{current_user.address}.png",
-      )
+          type: "image/png"
-    else
+        )
-      http_status :not_found
+      end
     end
   end