~evanj/cms

ref: 5eb977545bd0bfaacf289952a8b7f5a273168ab6 cms/internal/c/hook/hook.go -rw-r--r-- 2.8 KiB
5eb97754Evan M Jones Chore(Error2 -> Error): Swapped Error impl. for Error2 in all 9 months ago
                                                                                
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package hook

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

	"git.sr.ht/~evanj/cms/internal/c"
	"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 (
	hookHTML = v.MustParse("html/hook.html")

	ErrNoSpace      = errors.New("failed to find required space")
	ErrNoHook       = errors.New("failed to find desired webhook")
	ErrFailedCreate = errors.New("failed to create webhook")
	ErrFailedDelete = errors.New("failed to delete webhook")
)

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

type dber interface {
	UserGet(username, password string) (user.User, error)
	UserGetFromToken(token string) (user.User, error)
	SpaceGet(user user.User, spaceID string) (space.Space, error)
	HookNew(user user.User, space space.Space, url string) (hook.Hook, error)
	HookGet(user user.User, space space.Space, id string) (hook.Hook, error)
	HookDelete(user user.User, space space.Space, hook hook.Hook) error
}

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

func (h *Content) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	user, err := h.GetCookieUser(w, r)
	if err != nil {
		h.Error(w, r, http.StatusBadRequest, err)
		return
	}

	switch h.Method(r) {

	case "POST":
		space, err := h.db.SpaceGet(user, r.FormValue("space"))
		if err != nil {
			h.Error(w, r, http.StatusBadRequest, ErrNoSpace)
			return
		}

		hook, err := h.db.HookNew(user, space, r.FormValue("url"))
		if err != nil {
			h.Error(w, r, http.StatusInternalServerError, ErrFailedCreate)
			return
		}

		h.Redirect(w, r, fmt.Sprintf("/hook/%s/%s", space.ID(), hook.ID()))
		return

	case "DELETE":
		space, err := h.db.SpaceGet(user, r.FormValue("space"))
		if err != nil {
			h.Error(w, r, http.StatusBadRequest, ErrNoSpace)
			return
		}

		hook, err := h.db.HookGet(user, space, r.FormValue("hook"))
		if err != nil {
			h.Error(w, r, http.StatusBadRequest, ErrNoHook)
			return
		}

		if err := h.db.HookDelete(user, space, hook); err != nil {
			h.Error(w, r, http.StatusInternalServerError, ErrFailedDelete)
			return
		}

		h.Redirect(w, r, fmt.Sprintf("/space/%s", space.ID()))
		return

	case "GET":
		spaceID := r.FormValue("space")
		hookID := r.FormValue("hook")

		parts := strings.Split(r.URL.Path, "/")
		if len(parts) > 3 {
			spaceID = parts[2]
			hookID = parts[3]
		}

		space, err := h.db.SpaceGet(user, spaceID)
		if err != nil {
			h.Error(w, r, http.StatusBadRequest, ErrNoSpace)
			return
		}

		hook, err := h.db.HookGet(user, space, hookID)
		if err != nil {
			h.Error(w, r, http.StatusBadRequest, ErrNoHook)
			return
		}

		h.HTML(w, r, hookHTML, map[string]interface{}{
			"User":  user,
			"Space": space,
			"Hook":  hook,
		})
		return

	}

	http.NotFound(w, r)
}