♻️ Simplify entry HTTP delivery
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parent
8cf7d160c2
commit
c420a83618
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@ -1,11 +1,11 @@
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package http
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"mime"
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"net/http"
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"strings"
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"github.com/go-ap/activitypub"
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@ -13,21 +13,11 @@ import (
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"source.toby3d.me/toby3d/home/internal/domain"
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"source.toby3d.me/toby3d/home/internal/entry"
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"source.toby3d.me/toby3d/home/internal/site"
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"source.toby3d.me/toby3d/home/internal/theme"
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"source.toby3d.me/toby3d/home/internal/urlutil"
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)
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type (
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Handler struct {
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*ThemeHandler
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*ActivityPubHandler
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sites site.UseCase
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entries entry.UseCase
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themes theme.UseCase
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}
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ThemeHandler struct {
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themes theme.UseCase
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}
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ActivityPubHandler struct{}
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@ -58,78 +48,26 @@ type (
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*/
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)
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func NewHandler(sites site.UseCase, entries entry.UseCase, themes theme.UseCase) *Handler {
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func NewHandler(sites site.UseCase, entries entry.UseCase) *Handler {
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return &Handler{
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sites: sites,
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entries: entries,
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themes: themes,
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ThemeHandler: NewThemeHandler(themes),
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ActivityPubHandler: NewActivityPubHandler(),
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entries: entries,
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}
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}
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func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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head, tail := urlutil.ShiftPath(r.URL.Path)
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lang := domain.NewLanguage(head)
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s, err := h.sites.Do(r.Context(), lang)
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func (h *Handler) Handle(ctx context.Context, site *domain.Site, path string) (*domain.Entry, http.Handler, error) {
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entry, err := h.entries.Do(ctx, site.Language, path)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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return nil, nil, fmt.Errorf("cannot handle entry: %w", err)
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}
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e, err := h.entries.Do(r.Context(), lang, tail)
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if err != nil {
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if errors.Is(err, entry.ErrNotExist) {
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http.NotFound(w, r)
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} else {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return entry, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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contentType, _, _ := mime.ParseMediaType(r.Header.Get(common.HeaderAccept))
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switch contentType {
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case common.MIMEApplicationLdJSON:
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h.ActivityPubHandler.Handle(s, e).ServeHTTP(w, r)
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}
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return
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}
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contentType, _, _ := mime.ParseMediaType(r.Header.Get(common.HeaderAccept))
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switch contentType {
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default:
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h.ThemeHandler.Handle(s, e).ServeHTTP(w, r)
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case common.MIMEApplicationLdJSON:
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h.ActivityPubHandler.Handle(s, e).ServeHTTP(w, r)
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}
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}
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func NewThemeHandler(themes theme.UseCase) *ThemeHandler {
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return &ThemeHandler{
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themes: themes,
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}
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}
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func (h *ThemeHandler) Handle(s *domain.Site, e *domain.Entry) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// NOTE(toby3d): wrap founded entry into theme template and
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// answer to client.
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contentLanguage := make([]string, len(e.Translations))
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for i := range e.Translations {
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contentLanguage[i] = e.Translations[i].Language.Code()
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}
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w.Header().Set(common.HeaderContentLanguage, strings.Join(contentLanguage, ", "))
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template, err := h.themes.Do(r.Context(), s, e)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set(common.HeaderContentType, common.MIMETextHTMLCharsetUTF8)
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if err = template(w); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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}), nil
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}
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func NewActivityPubHandler() *ActivityPubHandler {
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@ -11,7 +11,6 @@ import (
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entryucase "source.toby3d.me/toby3d/home/internal/entry/usecase"
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siteucase "source.toby3d.me/toby3d/home/internal/site/usecase"
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"source.toby3d.me/toby3d/home/internal/testutil"
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themeucase "source.toby3d.me/toby3d/home/internal/theme/usecase"
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)
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func TestHandler_ServeHTTP(t *testing.T) {
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@ -36,7 +35,6 @@ func TestHandler_ServeHTTP(t *testing.T) {
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delivery.NewHandler(
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siteucase.NewStubSiteUseCase(domain.TestSite(t), nil),
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entryucase.NewStubEntryUseCase(domain.TestEntry(t), nil),
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themeucase.NewDummyThemeUseCase(),
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).ServeHTTP(w, req)
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testutil.GoldenEqual(t, w.Result().Body)
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})
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