From 604f123eeec67eb2629d37366f4f65712de31e17 Mon Sep 17 00:00:00 2001
From: Amolith <amolith@secluded.site>
Date: Wed, 10 Jun 2026 15:50:12 -0600
Subject: [PATCH] shopping-list: remove product groups client

---
 internal/cooked/client.go      | 14 ++++++++++
 internal/cooked/client_test.go | 48 ++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

diff --git a/internal/cooked/client.go b/internal/cooked/client.go
index 741b995553695d20e23f11a3fa7c880871e4b3aa..fdc4197e43c2879f4d0c1a47a4d3d942d5707295 100644
--- a/internal/cooked/client.go
+++ b/internal/cooked/client.go
@@ -157,6 +157,16 @@ func (c *Client) AddShoppingListIngredients(
 	return AddShoppingListResult{AddedCount: *response.AddedCount, Ingredients: response.Ingredients}, nil
 }
 
+// RemoveShoppingListProductGroups logs in when needed and removes shopping-list product groups.
+func (c *Client) RemoveShoppingListProductGroups(ctx context.Context, ids []string) error {
+	body, err := json.Marshal(removeShoppingListProductGroupsRequest{IDs: ids})
+	if err != nil {
+		return fmt.Errorf("encode Cooked shopping-list remove request: %w", err)
+	}
+
+	return c.doAuthenticated(ctx, http.MethodDelete, "/api/user/{username}/shopping-list/product-groups", body, nil)
+}
+
 // ListRecipes logs in when needed and returns one page of saved recipes.
 func (c *Client) ListRecipes(ctx context.Context, page, limit int) ([]RecipeCard, error) {
 	query := url.Values{}
@@ -408,6 +418,10 @@ type addShoppingListResponse struct {
 	Ingredients []string `json:"ingredients"`
 }
 
+type removeShoppingListProductGroupsRequest struct {
+	IDs []string `json:"ids"`
+}
+
 type recipeListResponse struct {
 	Recipes []RecipeCard `json:"recipes"`
 }
diff --git a/internal/cooked/client_test.go b/internal/cooked/client_test.go
index 719ba50a6b9edd803a2b8d5f388210859800f1e2..cce4f9e77892f84c8850ea8be89b3b3587e3330f 100644
--- a/internal/cooked/client_test.go
+++ b/internal/cooked/client_test.go
@@ -214,6 +214,21 @@ func TestAddShoppingListIngredientsACIDShoppingListAdd1To4AddsIngredients(t *tes
 	}
 }
 
+func TestRemoveShoppingListProductGroupsACIDShoppingListRemove1RemovesProductGroups(t *testing.T) {
+	var removeCalls int
+	client, closeServer := newTestClient(t, removeShoppingListProductGroupsTestHandler(t, &removeCalls))
+	defer closeServer()
+
+	err := client.RemoveShoppingListProductGroups(context.Background(), []string{"pasta", "tomato"})
+	if err != nil {
+		t.Fatalf("RemoveShoppingListProductGroups() error = %v", err)
+	}
+
+	if removeCalls != 1 {
+		t.Fatalf("remove calls = %d, want 1", removeCalls)
+	}
+}
+
 func TestUserPathEscapesAuthenticatedUsername(t *testing.T) {
 	client := &Client{authenticatedUsername: "user/name"}
 
@@ -497,6 +512,39 @@ func writeAddShoppingListIngredientsResponse(t *testing.T, w http.ResponseWriter
 	}
 }
 
+func removeShoppingListProductGroupsTestHandler(t *testing.T, removeCalls *int) http.HandlerFunc {
+	t.Helper()
+
+	return func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.EscapedPath() {
+		case "/api/public/login":
+			writeLoginResponse(t, w)
+		case "/api/user/returned-user/shopping-list/product-groups":
+			requireMethod(t, r, http.MethodDelete, "remove shopping-list product groups")
+			requireSessionCookie(t, r)
+			requireRemoveShoppingListProductGroupsRequest(t, r)
+			(*removeCalls)++
+			w.WriteHeader(http.StatusNoContent)
+		default:
+			t.Fatalf("unexpected path %s", r.URL.EscapedPath())
+		}
+	}
+}
+
+func requireRemoveShoppingListProductGroupsRequest(t *testing.T, r *http.Request) {
+	t.Helper()
+
+	var request struct {
+		IDs []string `json:"ids"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
+		t.Fatalf("decode remove shopping-list product groups request: %v", err)
+	}
+	if len(request.IDs) != 2 || request.IDs[0] != "pasta" || request.IDs[1] != "tomato" {
+		t.Fatalf("remove IDs = %#v, want pasta and tomato", request.IDs)
+	}
+}
+
 func requirePreviewRecipeTextRequest(t *testing.T, r *http.Request) {
 	t.Helper()