api: Begin implementing an API

internal/dis/component/server/news/api.go

@@ -0,0 +1,43 @@
+package news
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/dis/component"
+	"github.com/tkw1536/pkglib/httpx"
+)
+
+type API struct {
+	component.Base
+}
+
+var (
+	_ component.Routeable = (*API)(nil)
+)
+
+func (api *API) Routes() component.Routes {
+	return component.Routes{
+		Prefix:    "/api/v1/news/",
+		Exact:     true,
+		Decorator: api.Config.HTTP.APIDecorator("GET"),
+	}
+}
+
+func (api *API) HandleRoute(ctx context.Context, path string) (http.Handler, error) {
+	items, err := Items()
+	if err != nil {
+		return nil, err
+	}
+
+	data, err := json.Marshal(items)
+	if err != nil {
+		return nil, err
+	}
+
+	return httpx.Response{
+		ContentType: "application/json",
+		Body:        data,
+	}, nil
+}