73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
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package recipes_by_category
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import (
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"context"
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"log/slog"
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"net/http"
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"recipes/internal/domain/models"
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resp "recipes/internal/lib/api/response"
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"recipes/internal/lib/logger/sl"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/go-chi/render"
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"github.com/go-playground/validator/v10"
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)
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type Request struct {
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Page uint `json:"page" validate:"required,gt=0"`
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Category string `json:"category" validate:"required,containsany"`
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}
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type Response struct {
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resp.Response
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Recipes []models.Recipe `json:"recipes"`
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}
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type RecipesProvider interface {
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GetRecipesByCategory(ctx context.Context, offset, limit int, category string) ([]models.Recipe, error)
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}
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const getRecipesLimit int = 16
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func New(log *slog.Logger, recipesProvider RecipesProvider) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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const op = "http-server.handlers.recipesByCategory.New"
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log = log.With(
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slog.String("op", op),
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slog.String("request_id", middleware.GetReqID(r.Context())),
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)
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var req Request
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// decode request
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err := render.DecodeJSON(r.Body, &req)
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if err != nil {
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log.Error("failed to decode request body", sl.Err(err))
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render.JSON(w, r, resp.Error("failed to decode request"))
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return
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}
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log.Debug("request body decoded", slog.Any("request", req))
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// validate request
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if err := validator.New().Struct(req); err != nil {
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validateErr := err.(validator.ValidationErrors)
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log.Error("invalid request", sl.Err(err))
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render.JSON(w, r, resp.ValidationError(validateErr))
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return
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}
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// get recipes from storage
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recipes, err := recipesProvider.GetRecipesByCategory(r.Context(), getRecipesLimit*(int(req.Page)-1), getRecipesLimit, req.Category)
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if err != nil {
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log.Error("failed to get recipes from storage", sl.Err(err))
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render.JSON(w, r, resp.Error("failed to get recipes"))
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return
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}
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// return
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// return
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render.JSON(w, r, Response{
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Response: resp.OK(),
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Recipes: recipes,
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})
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}
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}
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