Add base

api/internal/app/api/common/responses/responses.go

@@ -0,0 +1,29 @@
+package responses
+
+import (
+	"github.com/go-chi/render"
+	"net/http"
+)
+
+type ErrResponse struct {
+	Err            error `json:"-"` // low-level runtime error
+	HTTPStatusCode int   `json:"-"` // http response status code
+
+	StatusText string `json:"status"`          // user-level status message
+	AppCode    int64  `json:"code,omitempty"`  // application-specific error code
+	ErrorText  string `json:"error,omitempty"` // application-level error message, for debugging
+}
+
+func (e ErrResponse) Render(w http.ResponseWriter, r *http.Request) error {
+	render.Status(r, e.HTTPStatusCode)
+	return nil
+}
+
+func ErrInvalidRequest(err error) render.Renderer {
+	return &ErrResponse{
+		Err:            err,
+		HTTPStatusCode: 400,
+		StatusText:     "Invalid request.",
+		ErrorText:      err.Error(),
+	}
+}

api/internal/app/api/download/download.go

@@ -0,0 +1,42 @@
+package download
+
+import (
+	"downloader/internal/app/api/common/responses"
+	"errors"
+	"github.com/go-chi/chi"
+	"github.com/go-chi/render"
+	"net/http"
+)
+
+type api struct{}
+
+func New() *api {
+	return &api{}
+}
+
+func (api *api) SetupDownloadApi(router *chi.Mux) {
+	router.Route("/downloads", func(r chi.Router) {
+		r.Post("/", api.requestDownload)
+	})
+}
+
+type requestDownloadRequest struct {
+	Provider string `json:"provider"`
+	Link     string `json:"link"`
+}
+
+func (dr *requestDownloadRequest) Bind(r *http.Request) error {
+	if dr.Link == "" || dr.Provider == "" {
+		return errors.New("missing required download request field")
+	}
+
+	return nil
+}
+
+func (api *api) requestDownload(w http.ResponseWriter, r *http.Request) {
+	data := &requestDownloadRequest{}
+	if err := render.Bind(r, data); err != nil {
+		_ = render.Render(w, r, responses.ErrInvalidRequest(err))
+		return
+	}
+}