c0cf1b38ea
- Add internal/locale package: Parse(Accept-Language), FromContext/WithLang helpers, 12 supported languages - Add Language middleware that reads Accept-Language header and stores lang in context - Register Language middleware globally in server router (after CORS) Database migrations: - 009: create recipe_translations, saved_recipe_translations, ingredient_translations tables; migrate existing _ru data - 010: drop legacy _ru columns (title_ru, description_ru, canonical_name_ru); update FTS index Models: remove all _ru fields (TitleRu, DescriptionRu, NameRu, UnitRu, CanonicalNameRu) Repositories: - recipe: Upsert drops _ru params; GetByID does LEFT JOIN COALESCE on recipe_translations; ListMissingTranslation(lang); UpsertTranslation - ingredient: same pattern with ingredient_translations; Search now queries translated names/aliases - savedrecipe: List/GetByID LEFT JOIN COALESCE on saved_recipe_translations; UpsertTranslation Gemini: - RecipeRequest/MenuRequest gain Lang field - buildRecipePrompt rewritten in English with target-language content instruction; image_query always in English - GenerateMenu propagates Lang to GenerateRecipes Handlers: - recommendation/menu: pass locale.FromContext(ctx) as Lang - recognition: saveClassification stores Russian translation via UpsertTranslation instead of _ru column Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
19 lines
543 B
Go
19 lines
543 B
Go
package middleware
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import (
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"net/http"
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"github.com/food-ai/backend/internal/locale"
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)
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// Language reads the Accept-Language request header, resolves the best
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// supported language via locale.Parse, and stores it in the request context.
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// Downstream handlers retrieve it with locale.FromContext.
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func Language(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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lang := locale.FromRequest(r)
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ctx := locale.WithLang(r.Context(), lang)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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