55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package recipeimage
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import (
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"context"
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"io"
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"log/slog"
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"net/http"
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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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)
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type ImageProvider interface {
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RecipeImage(ctx context.Context, filename string) (io.ReadCloser, error)
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}
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func New(log *slog.Logger, imageProvider ImageProvider) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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const op = "http-server.handlers.recipeImage.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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// get filename
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filename := r.URL.Query().Get("filename")
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if filename == "" {
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log.Error("filename not in query")
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render.JSON(w, r, resp.Error("invalid request"))
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return
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}
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// get object
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obj, err := imageProvider.RecipeImage(r.Context(), filename)
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if err != nil {
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log.Error("cannot get file", sl.Err(err))
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render.JSON(w, r, resp.Error("cannot get file"))
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return
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}
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defer obj.Close()
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// return object
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err = renderObject(w, r, obj)
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if err != nil {
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log.Error("Fail on rendering object", sl.Err(err))
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}
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}
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}
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func renderObject(w http.ResponseWriter, r *http.Request, obj io.Reader) error {
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_, err := io.Copy(w, obj)
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return err
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}
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