Files
comicverse/router/editor.go

139 lines
3.2 KiB
Go

package router
import (
"errors"
"fmt"
"io"
"net/http"
"forge.capytal.company/capytalcode/project-comicverse/service"
"forge.capytal.company/loreddev/x/smalltrip/exception"
)
func (router *router) pages(w http.ResponseWriter, r *http.Request) {
router.assert.NotNil(w)
router.assert.NotNil(r)
id := r.PathValue("ID")
if id == "" {
exception.
BadRequest(fmt.Errorf(`a valid path value of "ID" must be provided`)).
ServeHTTP(w, r)
return
}
pageID := r.PathValue("PageID")
switch getMethod(r) {
case http.MethodGet, http.MethodHead:
if pageID == "" {
exception.
BadRequest(fmt.Errorf(`a valid path value of "PageID" must be provided`)).
ServeHTTP(w, r)
return
}
router.getPage(w, r)
case http.MethodPost:
router.addPage(w, r)
case http.MethodDelete:
if pageID == "" {
exception.
BadRequest(fmt.Errorf(`a valid path value of "PageID" must be provided`)).
ServeHTTP(w, r)
return
}
router.deletePage(w, r)
default:
exception.
MethodNotAllowed([]string{
http.MethodGet,
http.MethodHead,
http.MethodPost,
http.MethodDelete,
}).
ServeHTTP(w, r)
}
}
func (router *router) addPage(w http.ResponseWriter, r *http.Request) {
router.assert.NotNil(w)
router.assert.NotNil(r)
router.assert.NotNil(router.service)
id := r.PathValue("ID")
router.assert.NotZero(id, "This method should be used after the path values are checked")
img, _, err := r.FormFile("image")
if err != nil {
// TODO: Handle if the file is bigger than allowed by ParseForm (10mb)
exception.InternalServerError(err).ServeHTTP(w, r)
return
}
err = router.service.AddPage(id, img)
if err != nil {
exception.InternalServerError(err).ServeHTTP(w, r)
return
}
http.Redirect(w, r, fmt.Sprintf("/projects/%s/", id), http.StatusSeeOther)
}
func (router *router) getPage(w http.ResponseWriter, r *http.Request) {
router.assert.NotNil(w)
router.assert.NotNil(r)
router.assert.NotNil(router.service)
id := r.PathValue("ID")
router.assert.NotZero(id, "This method should be used after the path values are checked")
pageID := r.PathValue("PageID")
router.assert.NotZero(pageID, "This method should be used after the path values are checked")
page, err := router.service.GetPage(id, pageID)
if errors.Is(err, service.ErrPageNotExists) {
exception.NotFound(exception.WithError(err)).ServeHTTP(w, r)
return
}
if err != nil {
exception.InternalServerError(err).ServeHTTP(w, r)
return
}
if i, ok := page.Image.(io.WriterTo); ok {
_, err = i.WriteTo(w)
} else {
_, err = io.Copy(w, page.Image)
}
if err != nil {
exception.InternalServerError(err).ServeHTTP(w, r)
return
}
}
func (router *router) deletePage(w http.ResponseWriter, r *http.Request) {
router.assert.NotNil(w)
router.assert.NotNil(r)
router.assert.NotNil(router.service)
id := r.PathValue("ID")
router.assert.NotZero(id, "This method should be used after the path values are checked")
pageID := r.PathValue("PageID")
router.assert.NotZero(pageID, "This method should be used after the path values are checked")
err := router.service.DeletePage(id, pageID)
if err != nil {
exception.InternalServerError(err).ServeHTTP(w, r)
return
}
http.Redirect(w, r, fmt.Sprintf("/projects/%s/", id), http.StatusSeeOther)
}