Support tag_ids on JSON card create/update

app/controllers/cards_controller.rb

@@ -1,5 +1,5 @@
 class CardsController < ApplicationController
-  wrap_parameters :card, include: %i[ title description image created_at last_active_at ]
+  wrap_parameters :card, include: %i[ title description image created_at last_active_at tag_ids ]
 
   include FilterScoped
 
@@ -68,6 +68,6 @@ def ensure_permission_to_administer_card
     end
 
     def card_params
-      params.expect(card: [ :title, :description, :image, :created_at, :last_active_at ])
+      params.expect(card: [ :title, :description, :image, :created_at, :last_active_at, tag_ids: [] ])
     end
 end

test/controllers/api/flat_json_params_test.rb

@@ -75,6 +75,21 @@ class FlatJsonParamsTest < ActionDispatch::IntegrationTest
     assert_equal "Flat description", card.description.to_plain_text
   end
 
+  test "create card with flat JSON and tag_ids" do
+    tag = tags(:mobile)
+
+    assert_difference -> { Card.count }, +1 do
+      post board_cards_path(boards(:writebook)),
+        params: { title: "Flat tagged card", tag_ids: [ tag.id ] },
+        as: :json
+    end
+
+    assert_response :created
+    card = Card.last
+    assert_equal [ tag ], card.reload.tags
+    assert_equal [ tag.title ], @response.parsed_body["tags"]
+  end
+
   test "update card with flat JSON" do
     card = cards(:logo)
 
@@ -88,6 +103,19 @@ class FlatJsonParamsTest < ActionDispatch::IntegrationTest
     assert_equal "Updated flat", card.description.to_plain_text
   end
 
+  test "update card with flat JSON and tag_ids" do
+    card = cards(:logo)
+    tag = tags(:mobile)
+
+    put card_path(card),
+      params: { tag_ids: [ tag.id ] },
+      as: :json
+
+    assert_response :success
+    assert_equal [ tag ], card.reload.tags
+    assert_equal [ tag.title ], @response.parsed_body["tags"]
+  end
+
   test "create board with flat JSON" do
     assert_difference -> { Board.count }, +1 do
       post boards_path, params: { name: "Flat board" }, as: :json

test/controllers/cards_controller_test.rb

@@ -207,6 +207,21 @@ class CardsControllerTest < ActionDispatch::IntegrationTest
     assert_equal "Big if true", card.description.to_plain_text
   end
 
+  test "create as JSON with tag_ids applies tags to the created card" do
+    tag = tags(:mobile)
+
+    assert_difference -> { Card.count }, +1 do
+      post board_cards_path(boards(:writebook)),
+        params: { card: { title: "Tagged card", tag_ids: [ tag.id ] } },
+        as: :json
+      assert_response :created
+    end
+
+    card = Card.last
+    assert_equal [ tag ], card.reload.tags
+    assert_equal [ tag.title ], @response.parsed_body["tags"]
+  end
+
   test "create as JSON with custom created_at" do
     custom_time = Time.utc(2024, 1, 15, 10, 30, 0)
 
@@ -293,6 +308,17 @@ class CardsControllerTest < ActionDispatch::IntegrationTest
     assert_equal "Update test", card.reload.title
   end
 
+  test "update as JSON with tag_ids updates tags on the card" do
+    card = cards(:logo)
+    tag = tags(:mobile)
+
+    put card_path(card, format: :json), params: { card: { tag_ids: [ tag.id ] } }
+    assert_response :success
+
+    assert_equal [ tag ], card.reload.tags
+    assert_equal [ tag.title ], @response.parsed_body["tags"]
+  end
+
   test "delete as JSON" do
     card = cards(:logo)