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46 lines
1.1 KiB
46 lines
1.1 KiB
package api
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import (
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"errors"
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"fmt"
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"net/http"
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"path/filepath"
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"strings"
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"github.com/mediocregopher/blog.mediocregopher.com/srv/api/apiutils"
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"github.com/mediocregopher/blog.mediocregopher.com/srv/post"
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)
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func (a *api) postHandler() http.Handler {
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return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
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id := strings.TrimSuffix(filepath.Base(r.URL.Path), ".html")
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storedPost, err := a.params.PostStore.GetByID(id)
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if errors.Is(err, post.ErrPostNotFound) {
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http.Error(rw, "Post not found", 404)
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return
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} else if err != nil {
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apiutils.InternalServerError(
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rw, r, fmt.Errorf("fetching post with id %q: %w", id, err),
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)
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return
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}
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renderablePost, err := post.NewRenderablePost(a.params.PostStore, storedPost)
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if err != nil {
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apiutils.InternalServerError(
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rw, r, fmt.Errorf("constructing renderable post with id %q: %w", id, err),
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)
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return
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}
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if err := a.params.PostHTTPRenderer.Render(rw, renderablePost); err != nil {
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apiutils.InternalServerError(
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rw, r, fmt.Errorf("rendering post with id %q: %w", id, err),
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)
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return
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}
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})
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}
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