Pins API

app/controllers/cards/pins_controller.rb

@@ -9,14 +9,22 @@ def create
     @pin = @card.pin_by Current.user
 
     broadcast_add_pin_to_tray
-    render_pin_button_replacement
+
+    respond_to do |format|
+      format.turbo_stream { render_pin_button_replacement }
+      format.json { head :no_content }
+    end
   end
 
   def destroy
     @pin = @card.unpin_by Current.user
 
     broadcast_remove_pin_from_tray
-    render_pin_button_replacement
+
+    respond_to do |format|
+      format.turbo_stream { render_pin_button_replacement }
+      format.json { head :no_content }
+    end
   end
 
   private

app/controllers/my/pins_controller.rb

@@ -1,6 +1,15 @@
 class My::PinsController < ApplicationController
   def index
-    @pins = Current.user.pins.includes(:card).ordered.limit(20)
+    @pins = pins_for_request
     fresh_when etag: [ @pins, @pins.collect(&:card) ]
   end
+
+  private
+    def pins_for_request
+      if request.format.json?
+        Current.user.pins.includes(:card).ordered
+      else
+        Current.user.pins.includes(:card).ordered.limit(20)
+      end
+    end
 end

app/views/my/pins/index.json.jbuilder

@@ -0,0 +1,3 @@
+json.array! @pins do |pin|
+  json.partial! "cards/card", card: pin.card
+end

test/controllers/cards/pins_controller_test.rb

@@ -17,6 +17,17 @@ class Cards::PinsControllerTest < ActionDispatch::IntegrationTest
     assert_response :success
   end
 
+  test "create as JSON" do
+    card = cards(:layout)
+
+    assert_not card.pinned_by?(users(:kevin))
+
+    post card_pin_path(card), as: :json
+
+    assert_response :no_content
+    assert card.reload.pinned_by?(users(:kevin))
+  end
+
   test "destroy" do
     assert_changes -> { cards(:shipping).pinned_by?(users(:kevin)) }, from: true, to: false do
       perform_enqueued_jobs do
@@ -28,4 +39,15 @@ class Cards::PinsControllerTest < ActionDispatch::IntegrationTest
 
     assert_response :success
   end
+
+  test "destroy as JSON" do
+    card = cards(:shipping)
+
+    assert card.pinned_by?(users(:kevin))
+
+    delete card_pin_path(card), as: :json
+
+    assert_response :no_content
+    assert_not card.reload.pinned_by?(users(:kevin))
+  end
 end

test/controllers/my/pins_controller_test.rb

@@ -11,4 +11,14 @@ class My::PinsControllerTest < ActionDispatch::IntegrationTest
     assert_response :success
     assert_select "div", text: /#{users(:kevin).pins.first.card.title}/
   end
+
+  test "index as JSON" do
+    expected_ids = users(:kevin).pins.ordered.pluck(:card_id)
+
+    get my_pins_path(format: :json)
+
+    assert_response :success
+    assert_equal expected_ids.count, @response.parsed_body.count
+    assert_equal expected_ids, @response.parsed_body.map { |card| card["id"] }
+  end
 end