feat: implement Iteration 1 — AI recipe recommendations
Backend:
- Add Groq LLM client (llama-3.3-70b) for recipe generation with JSON
retry strategy (retries only on parse errors, not API errors)
- Add Pexels client for parallel photo search per recipe
- Add saved_recipes table (migration 004) with JSONB fields
- Add GET /recommendations endpoint (profile-aware prompt building)
- Add POST/GET/GET{id}/DELETE /saved-recipes CRUD endpoints
- Wire gemini, pexels, recommendation, savedrecipe packages in main.go
Flutter:
- Add Recipe, SavedRecipe models with json_serializable
- Add RecipeService (getRecommendations, getSavedRecipes, save, delete)
- Add RecommendationsNotifier and SavedRecipesNotifier (Riverpod)
- Add RecommendationsScreen with skeleton loading and refresh FAB
- Add RecipeDetailScreen (SliverAppBar, nutrition tooltip, steps with timer)
- Add SavedRecipesScreen with Dismissible swipe-to-delete and empty state
- Update RecipesScreen to TabBar (Recommendations / Saved)
- Add /recipe-detail route outside ShellRoute (no bottom nav)
- Extend ApiClient with getList() and deleteVoid()
Project:
- Add CLAUDE.md with English-only rule for comments and commit messages
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
dbastrikin
311
backend/internal/recipe/repository_integration_test.go
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311
backend/internal/recipe/repository_integration_test.go
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//go:build integration
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package recipe
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import (
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"context"
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"encoding/json"
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"testing"
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"github.com/food-ai/backend/internal/testutil"
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)
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func TestRecipeRepository_Upsert_Insert(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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id := 10001
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cuisine := "italian"
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diff := "easy"
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cookTime := 30
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servings := 4
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rec := &Recipe{
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Source: "spoonacular",
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SpoonacularID: &id,
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Title: "Pasta Carbonara",
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Cuisine: &cuisine,
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Difficulty: &diff,
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CookTimeMin: &cookTime,
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Servings: &servings,
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Ingredients: json.RawMessage(`[{"name":"pasta","amount":200,"unit":"g"}]`),
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Steps: json.RawMessage(`[{"number":1,"description":"Boil pasta"}]`),
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Tags: json.RawMessage(`["italian"]`),
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}
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got, err := repo.Upsert(ctx, rec)
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if err != nil {
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t.Fatalf("upsert: %v", err)
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}
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if got.ID == "" {
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t.Error("expected non-empty ID")
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}
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if got.Title != "Pasta Carbonara" {
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t.Errorf("title: want Pasta Carbonara, got %s", got.Title)
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}
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if got.SpoonacularID == nil || *got.SpoonacularID != id {
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t.Errorf("spoonacular_id: want %d, got %v", id, got.SpoonacularID)
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}
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}
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func TestRecipeRepository_Upsert_ConflictUpdates(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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id := 20001
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cuisine := "mexican"
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diff := "medium"
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first := &Recipe{
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Source: "spoonacular",
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SpoonacularID: &id,
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Title: "Tacos",
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Cuisine: &cuisine,
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`[]`),
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}
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got1, err := repo.Upsert(ctx, first)
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if err != nil {
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t.Fatalf("first upsert: %v", err)
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}
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second := &Recipe{
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Source: "spoonacular",
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SpoonacularID: &id,
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Title: "Beef Tacos",
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Cuisine: &cuisine,
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[{"name":"beef","amount":300,"unit":"g"}]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`[]`),
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}
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got2, err := repo.Upsert(ctx, second)
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if err != nil {
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t.Fatalf("second upsert: %v", err)
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}
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if got1.ID != got2.ID {
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t.Errorf("ID changed on conflict update: %s != %s", got1.ID, got2.ID)
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}
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if got2.Title != "Beef Tacos" {
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t.Errorf("title not updated: got %s", got2.Title)
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}
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}
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func TestRecipeRepository_GetByID_Found(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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id := 30001
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diff := "easy"
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rec := &Recipe{
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Source: "spoonacular",
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SpoonacularID: &id,
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Title: "Greek Salad",
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`["vegetarian"]`),
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}
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saved, err := repo.Upsert(ctx, rec)
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if err != nil {
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t.Fatalf("upsert: %v", err)
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}
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got, err := repo.GetByID(ctx, saved.ID)
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if err != nil {
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t.Fatalf("get by id: %v", err)
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}
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if got == nil {
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t.Fatal("expected non-nil result")
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}
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if got.Title != "Greek Salad" {
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t.Errorf("want Greek Salad, got %s", got.Title)
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}
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}
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func TestRecipeRepository_GetByID_NotFound(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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got, err := repo.GetByID(ctx, "00000000-0000-0000-0000-000000000000")
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if got != nil {
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t.Error("expected nil for non-existent ID")
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}
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}
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func TestRecipeRepository_ListUntranslated_Pagination(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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diff := "easy"
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for i := 0; i < 5; i++ {
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spID := 40000 + i
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_, err := repo.Upsert(ctx, &Recipe{
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Source: "spoonacular",
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SpoonacularID: &spID,
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Title: "Recipe " + string(rune('A'+i)),
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`[]`),
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})
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if err != nil {
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t.Fatalf("upsert recipe %d: %v", i, err)
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}
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}
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untranslated, err := repo.ListUntranslated(ctx, 3, 0)
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if err != nil {
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t.Fatalf("list untranslated: %v", err)
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}
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if len(untranslated) != 3 {
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t.Errorf("expected 3 results with limit=3, got %d", len(untranslated))
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}
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}
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func TestRecipeRepository_UpdateTranslation(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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id := 50001
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diff := "medium"
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saved, err := repo.Upsert(ctx, &Recipe{
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Source: "spoonacular",
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SpoonacularID: &id,
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Title: "Chicken Tikka Masala",
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[{"number":1,"description":"Heat oil"}]`),
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Tags: json.RawMessage(`[]`),
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})
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if err != nil {
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t.Fatalf("upsert: %v", err)
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}
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titleRu := "Курица Тикка Масала"
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descRu := "Классическое индийское блюдо"
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stepsRu := json.RawMessage(`[{"number":1,"description":"Heat oil","description_ru":"Разогрейте масло"}]`)
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if err := repo.UpdateTranslation(ctx, saved.ID, &titleRu, &descRu, stepsRu); err != nil {
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t.Fatalf("update translation: %v", err)
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}
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got, err := repo.GetByID(ctx, saved.ID)
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if err != nil {
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t.Fatalf("get by id: %v", err)
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}
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if got.TitleRu == nil || *got.TitleRu != titleRu {
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t.Errorf("expected title_ru=%q, got %v", titleRu, got.TitleRu)
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}
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if got.DescriptionRu == nil || *got.DescriptionRu != descRu {
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t.Errorf("expected description_ru=%q, got %v", descRu, got.DescriptionRu)
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}
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var steps []RecipeStep
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if err := json.Unmarshal(got.Steps, &steps); err != nil {
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t.Fatalf("unmarshal steps: %v", err)
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}
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if len(steps) == 0 || steps[0].DescriptionRu == nil || *steps[0].DescriptionRu != "Разогрейте масло" {
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t.Errorf("expected description_ru in steps, got %v", steps)
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}
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}
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func TestRecipeRepository_ListUntranslated_ExcludesTranslated(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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diff := "easy"
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// Insert untranslated
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for i := 0; i < 3; i++ {
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spID := 60000 + i
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_, err := repo.Upsert(ctx, &Recipe{
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Source: "spoonacular",
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SpoonacularID: &spID,
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Title: "Untranslated " + string(rune('A'+i)),
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`[]`),
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})
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if err != nil {
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t.Fatalf("upsert: %v", err)
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}
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}
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// Insert translated
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spID := 60100
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translated, err := repo.Upsert(ctx, &Recipe{
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Source: "spoonacular",
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SpoonacularID: &spID,
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Title: "Translated Recipe",
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`[]`),
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})
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if err != nil {
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t.Fatalf("upsert translated: %v", err)
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}
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titleRu := "Переведённый рецепт"
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if err := repo.UpdateTranslation(ctx, translated.ID, &titleRu, nil, translated.Steps); err != nil {
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t.Fatalf("update translation: %v", err)
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}
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untranslated, err := repo.ListUntranslated(ctx, 10, 0)
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if err != nil {
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t.Fatalf("list untranslated: %v", err)
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}
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for _, r := range untranslated {
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if r.Title == "Translated Recipe" {
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t.Error("translated recipe should not appear in ListUntranslated")
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}
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}
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if len(untranslated) < 3 {
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t.Errorf("expected at least 3 untranslated, got %d", len(untranslated))
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}
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}
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func TestRecipeRepository_GIN_Tags(t *testing.T) {
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pool := testutil.SetupTestDB(t)
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repo := NewRepository(pool)
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ctx := context.Background()
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id := 70001
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diff := "easy"
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_, err := repo.Upsert(ctx, &Recipe{
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Source: "spoonacular",
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SpoonacularID: &id,
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Title: "Veggie Bowl",
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Difficulty: &diff,
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Ingredients: json.RawMessage(`[]`),
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Steps: json.RawMessage(`[]`),
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Tags: json.RawMessage(`["vegetarian","gluten-free"]`),
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})
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if err != nil {
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t.Fatalf("upsert: %v", err)
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}
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// GIN index query: tags @> '["vegetarian"]'
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var count int
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row := pool.QueryRow(ctx, `SELECT count(*) FROM recipes WHERE tags @> '["vegetarian"]'::jsonb AND spoonacular_id = $1`, id)
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if err := row.Scan(&count); err != nil {
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t.Fatalf("query: %v", err)
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}
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if count != 1 {
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t.Errorf("expected 1 vegetarian recipe, got %d", count)
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}
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}
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