website/pkg/controller/photo/edit_delete.go
2022-08-25 21:21:46 -07:00

227 lines
6.5 KiB
Go

package photo
import (
"fmt"
"net/http"
"strconv"
"code.nonshy.com/nonshy/website/pkg/log"
"code.nonshy.com/nonshy/website/pkg/models"
pphoto "code.nonshy.com/nonshy/website/pkg/photo"
"code.nonshy.com/nonshy/website/pkg/session"
"code.nonshy.com/nonshy/website/pkg/templates"
)
// Edit controller (/photo/edit?id=N) to change properties about your picture.
func Edit() http.HandlerFunc {
// Reuse the upload page but with an EditPhoto variable.
tmpl := templates.Must("photo/upload.html")
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Query params.
photoID, err := strconv.Atoi(r.FormValue("id"))
if err != nil {
session.FlashError(w, r, "Photo 'id' parameter required.")
templates.Redirect(w, "/")
return
}
// Find this photo by ID.
photo, err := models.GetPhoto(uint64(photoID))
if err != nil {
templates.NotFoundPage(w, r)
return
}
// Load the current user.
currentUser, err := session.CurrentUser(r)
if err != nil {
session.FlashError(w, r, "Unexpected error: couldn't get CurrentUser")
templates.Redirect(w, "/")
return
}
// Do we have permission for this photo?
if photo.UserID != currentUser.ID && !currentUser.IsAdmin {
templates.ForbiddenPage(w, r)
return
}
// Are we saving the changes?
if r.Method == http.MethodPost {
var (
caption = r.FormValue("caption")
isExplicit = r.FormValue("explicit") == "true"
isGallery = r.FormValue("gallery") == "true"
visibility = r.FormValue("visibility")
// Profile pic fields
setProfilePic = r.FormValue("intent") == "profile-pic"
crop = pphoto.ParseCropCoords(r.FormValue("crop"))
)
photo.Caption = caption
photo.Explicit = isExplicit
photo.Gallery = isGallery
photo.Visibility = models.PhotoVisibility(visibility)
// Are we cropping ourselves a new profile pic?
log.Error("Profile pic? %+v and crop is: %+v", setProfilePic, crop)
if setProfilePic && crop != nil && len(crop) >= 4 {
cropFilename, err := pphoto.ReCrop(photo.Filename, crop[0], crop[1], crop[2], crop[3])
log.Error("ReCrop got: %s, %s", cropFilename, err)
if err != nil {
session.FlashError(w, r, "Couldn't re-crop for profile picture: %s", err)
} else {
// If there was an old profile pic, remove it from disk.
if photo.CroppedFilename != "" {
pphoto.Delete(photo.CroppedFilename)
}
photo.CroppedFilename = cropFilename
log.Warn("HERE WE SET (%s) ON PHOTO (%+v)", cropFilename, photo)
}
}
log.Error("SAVING PHOTO: %+v", photo)
if err := photo.Save(); err != nil {
session.FlashError(w, r, "Couldn't save photo: %s", err)
}
// Set their profile pic to this one.
if setProfilePic {
currentUser.ProfilePhoto = *photo
log.Error("Set user ProfilePhotoID=%d", photo.ID)
if err := currentUser.Save(); err != nil {
session.FlashError(w, r, "Couldn't save user: %s", err)
}
}
// Flash success.
session.Flash(w, r, "Photo settings updated!")
// Whose photo gallery to redirect to? if admin editing a user's photo,
// go back to the owner's gallery instead of our own.
if photo.UserID != currentUser.ID {
if owner, err := models.GetUser(photo.UserID); err == nil {
templates.Redirect(w, "/photo/u/"+owner.Username)
return
}
}
// Return the user to their gallery.
templates.Redirect(w, "/photo/u/"+currentUser.Username)
return
}
var vars = map[string]interface{}{
"EditPhoto": photo,
}
if err := tmpl.Execute(w, r, vars); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
}
// Delete controller (/photo/Delete?id=N) to change properties about your picture.
func Delete() http.HandlerFunc {
// Reuse the upload page but with an EditPhoto variable.
tmpl := templates.Must("photo/delete.html")
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Query params.
photoID, err := strconv.Atoi(r.FormValue("id"))
if err != nil {
log.Error("photo.Delete: failed to parse `id` param (%s) as int: %s", r.FormValue("id"), err)
session.FlashError(w, r, "Photo 'id' parameter required.")
templates.Redirect(w, "/")
return
}
// Page to redirect to in case of errors.
redirect := fmt.Sprintf("%s?id=%d", r.URL.Path, photoID)
// Find this photo by ID.
photo, err := models.GetPhoto(uint64(photoID))
if err != nil {
templates.NotFoundPage(w, r)
return
}
// Load the current user.
currentUser, err := session.CurrentUser(r)
if err != nil {
session.FlashError(w, r, "Unexpected error: couldn't get CurrentUser")
templates.Redirect(w, "/")
return
}
// Do we have permission for this photo?
if photo.UserID != currentUser.ID && !currentUser.IsAdmin {
templates.ForbiddenPage(w, r)
return
}
// Confirm deletion?
if r.Method == http.MethodPost {
confirm := r.PostFormValue("confirm") == "true"
if !confirm {
session.FlashError(w, r, "Confirm you want to delete this photo.")
templates.Redirect(w, redirect)
return
}
// Was this our profile picture?
if currentUser.ProfilePhotoID != nil && *currentUser.ProfilePhotoID == photo.ID {
log.Debug("Delete Photo: was the user's profile photo, unset ProfilePhotoID")
if err := currentUser.RemoveProfilePhoto(); err != nil {
session.FlashError(w, r, "Error unsetting your current profile photo: %s", err)
templates.Redirect(w, redirect)
return
}
}
// Remove the images from disk.
for _, filename := range []string{
photo.Filename,
photo.CroppedFilename,
} {
if len(filename) > 0 {
if err := pphoto.Delete(filename); err != nil {
log.Error("Delete Photo: couldn't remove file from disk: %s: %s", filename, err)
}
}
}
if err := photo.Delete(); err != nil {
session.FlashError(w, r, "Couldn't delete photo: %s", err)
templates.Redirect(w, redirect)
return
}
session.Flash(w, r, "Photo deleted!")
// Whose photo gallery to redirect to? if admin editing a user's photo,
// go back to the owner's gallery instead of our own.
if photo.UserID != currentUser.ID {
if owner, err := models.GetUser(photo.UserID); err == nil {
templates.Redirect(w, "/photo/u/"+owner.Username)
return
}
}
// Return the user to their gallery.
templates.Redirect(w, "/photo/u/"+currentUser.Username)
}
var vars = map[string]interface{}{
"Photo": photo,
}
if err := tmpl.Execute(w, r, vars); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
}