~evanj/cms

ref: 10de0b32f424dd6ae362ed23a39b9e40dfc3cfa9 cms/internal/c/space/space.go -rw-r--r-- 5.2 KiB
10de0b32Evan M Jones Fix(rate limiting): Refactor file upload access to RL. 1 year, 2 months ago
                                                                                
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package space

import (
	"fmt"
	"log"
	"net/http"
	"strconv"
	"strings"

	"git.sr.ht/~evanj/errors"

	"git.sr.ht/~evanj/cms/internal/c"
	"git.sr.ht/~evanj/cms/internal/m/contenttype"
	"git.sr.ht/~evanj/cms/internal/m/hook"
	"git.sr.ht/~evanj/cms/internal/m/space"
	"git.sr.ht/~evanj/cms/internal/m/user"
	"git.sr.ht/~evanj/cms/internal/v"
)

var (
	spaceHTML = v.MustParse("html/space.html")

	ErrNoSpace = errors.New("failed to find space")
)

type Space struct {
	*c.Controller
	log *log.Logger
	db  dber
}

type dber interface {
	UserGet(username, password string) (user.User, error)
	UserGetFromToken(token string) (user.User, error)
	SpaceNew(user user.User, name, desc string) (space.Space, error)
	SpaceGet(user user.User, spaceID string) (space.Space, error)
	SpaceUpdate(user user.User, space space.Space, name, desc string) (space.Space, error)
	SpaceCopy(user user.User, space space.Space, name, desc string) (space.Space, error)
	SpaceDelete(user user.User, space space.Space) error
	ContentTypesPerSpace(space space.Space, before int) (contenttype.ContentTypeList, error)
	HooksPerSpace(space space.Space, before int) (hook.HookList, error)
}

func New(c *c.Controller, log *log.Logger, db dber) *Space {
	return &Space{
		c,
		log,
		db,
	}
}

func (s *Space) serve(w http.ResponseWriter, r *http.Request) {
	spaceID := r.FormValue("space")
	parts := strings.Split(r.URL.Path, "/")
	if len(parts) > 2 && spaceID == "" {
		spaceID = parts[2]
	}

	user, err := s.GetCookieUser(w, r)
	if err != nil {
		s.Error2(w, r, http.StatusBadRequest, err)
		return
	}

	space, err := s.db.SpaceGet(user, spaceID)
	if err != nil {
		s.Error2(w, r, http.StatusNotFound, ErrNoSpace)
		return
	}

	beforect, _ := strconv.Atoi(r.URL.Query().Get("beforect"))
	cts, err := s.db.ContentTypesPerSpace(space, beforect)
	if err != nil {
		s.Error(w, r, http.StatusInternalServerError, "failed to find contenttypes for space")
		return
	}

	beforehook, _ := strconv.Atoi(r.URL.Query().Get("beforehook"))
	hooks, err := s.db.HooksPerSpace(space, beforehook)
	if err != nil {
		s.Error(w, r, http.StatusInternalServerError, "failed to find webhooks for space")
		return
	}

	s.HTML(w, r, spaceHTML, map[string]interface{}{
		"User":         user,
		"Space":        space,
		"ContentTypes": cts,
		"Hooks":        hooks,
	})
}

func (s *Space) create(w http.ResponseWriter, r *http.Request) {
	name := r.FormValue("name")
	desc := r.FormValue("desc")

	user, err := s.GetCookieUser(w, r)
	if err != nil {
		s.Error2(w, r, http.StatusBadRequest, errors.Wrap(err, "can't create space"))
		return
	}

	space, err := s.db.SpaceNew(user, name, desc)
	if err != nil {
		s.Error2(w, r, http.StatusBadRequest, err)
		return
	}

	url := fmt.Sprintf("/space/%s", space.ID())
	s.log.Println("successfully created new space for user", user.Name(), "redirecting to", url)
	s.Redirect(w, r, url)
}

func (s *Space) copy(w http.ResponseWriter, r *http.Request) {
	spaceID := r.FormValue("space")
	name := r.FormValue("name")
	desc := r.FormValue("desc")

	user, err := s.GetCookieUser(w, r)
	if err != nil {
		s.Error2(w, r, http.StatusBadRequest, errors.Wrap(err, "can't copy space"))
		return
	}

	spacePrev, err := s.db.SpaceGet(user, spaceID)
	if err != nil {
		s.Error2(w, r, http.StatusNotFound, ErrNoSpace)
		return
	}

	spaceNext, err := s.db.SpaceCopy(user, spacePrev, name, desc)
	if err != nil {
		s.Error(w, r, http.StatusBadRequest, err.Error())
		return
	}

	url := fmt.Sprintf("/space/%s", spaceNext.ID())
	s.log.Println("successfully created new space for user", user.Name(), "redirecting to", url)
	s.Redirect(w, r, url)
}

func (s *Space) update(w http.ResponseWriter, r *http.Request) {
	spaceID := r.FormValue("space")
	name := r.FormValue("name")
	desc := r.FormValue("desc")

	user, err := s.GetCookieUser(w, r)
	if err != nil {
		s.Error2(w, r, http.StatusBadRequest, errors.Wrap(err, "can't update space"))
		return
	}

	prev, err := s.db.SpaceGet(user, spaceID)
	if err != nil {
		s.Error2(w, r, http.StatusNotFound, ErrNoSpace)
		return
	}

	next, err := s.db.SpaceUpdate(user, prev, name, desc)
	if err != nil {
		s.Error(w, r, http.StatusInternalServerError, "failed to update space")
		return
	}

	url := fmt.Sprintf("/space/%s", next.ID())
	s.log.Println("successfully updated space for user", user.Name(), "redirecting to", url)
	s.Redirect(w, r, url)
}

func (s *Space) delete(w http.ResponseWriter, r *http.Request) {
	spaceID := r.FormValue("space")

	user, err := s.GetCookieUser(w, r)
	if err != nil {
		s.Error2(w, r, http.StatusBadRequest, errors.Wrap(err, "can't delete space"))
		return
	}

	space, err := s.db.SpaceGet(user, spaceID)
	if err != nil {
		s.Error2(w, r, http.StatusNotFound, ErrNoSpace)
		return
	}

	if err := s.db.SpaceDelete(user, space); err != nil {
		s.Error(w, r, http.StatusInternalServerError, "failed to delete space")
		return
	}

	url := "/"
	s.log.Println("successfully deleted space for user", user.Name(), "redirecting to", url)
	s.Redirect(w, r, url)
}

func (s *Space) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	switch s.Method(r) {
	case "GET":
		s.serve(w, r)
		return
	case "POST":
		s.create(w, r)
		return
	case "PUT": // PUT is closest to the idea of COPYing an entity.
		s.copy(w, r)
		return
	case "PATCH":
		s.update(w, r)
		return
	case "DELETE":
		s.delete(w, r)
		return
	}

	http.NotFound(w, r)
}