49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
package http
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"io/fs"
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"net/http"
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"source.toby3d.me/toby3d/home/internal/domain"
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"source.toby3d.me/toby3d/home/internal/resource"
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)
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type Handler struct {
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contentDir fs.FS
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resources resource.UseCase
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}
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func NewHandler(resources resource.UseCase, contentDir fs.FS) *Handler {
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return &Handler{
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contentDir: contentDir,
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resources: resources,
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}
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}
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func (h *Handler) Handle(ctx context.Context, path string) (http.Handler, error) {
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res, err := h.resources.Do(ctx, path)
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if err != nil {
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return nil, err
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}
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file, err := h.contentDir.Open(res.File.Filename())
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if err != nil {
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return nil, fmt.Errorf("cannot open resource: %w", err)
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}
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defer file.Close()
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resBytes, err := io.ReadAll(file)
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if err != nil {
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return nil, fmt.Errorf("cannot read resource: %w", err)
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}
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// TODO(toby3d): ugly workaround, refactor that.
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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http.ServeContent(w, r, res.Name(), domain.ResourceModTime(res), bytes.NewReader(resBytes))
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}), nil
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}
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