package photo import ( "bytes" "io" "net/http" "os" "path/filepath" "strconv" "strings" "git.kirsle.net/apps/gosocial/pkg/log" "git.kirsle.net/apps/gosocial/pkg/models" "git.kirsle.net/apps/gosocial/pkg/photo" "git.kirsle.net/apps/gosocial/pkg/session" "git.kirsle.net/apps/gosocial/pkg/templates" ) // Upload photos controller. func Upload() http.HandlerFunc { tmpl := templates.Must("photo/upload.html") return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { var vars = map[string]interface{}{ "Intent": r.FormValue("intent"), "NeedsCrop": false, } // Query string parameters: what is the intent of this photo upload? // - If profile picture, the user will crop their image before posting it. // - If regular photo, user simply picks a picture and doesn't need to crop it. if vars["Intent"] == "profile_pic" { vars["NeedsCrop"] = true } user, err := session.CurrentUser(r) if err != nil { session.FlashError(w, r, "Unexpected error: couldn't get CurrentUser") } // Are they POSTing? if r.Method == http.MethodPost { var ( caption = r.PostFormValue("caption") isExplicit = r.PostFormValue("explicit") == "true" visibility = r.PostFormValue("visibility") isGallery = r.PostFormValue("gallery") == "true" cropCoords = r.PostFormValue("crop") confirm1 = r.PostFormValue("confirm1") == "true" confirm2 = r.PostFormValue("confirm2") == "true" ) // They checked both boxes. The browser shouldn't allow them to // post but validate it here anyway... if !confirm1 || !confirm2 { session.FlashError(w, r, "You must agree to the terms to upload this picture.") templates.Redirect(w, r.URL.Path) return } // Parse and validate crop coordinates. var crop []int if len(cropCoords) > 0 { aints := strings.Split(cropCoords, ",") if len(aints) >= 4 { crop = []int{} for i, aint := range aints { if number, err := strconv.Atoi(strings.TrimSpace(aint)); err == nil { crop = append(crop, number) } else { log.Error("Failure to parse crop coordinates ('%s') at number %d: %s", cropCoords, i, err) } } } } log.Error("parsed crop coords: %+v", crop) // Get their file upload. file, header, err := r.FormFile("file") if err != nil { session.FlashError(w, r, "Error receiving your file: %s", err) templates.Redirect(w, r.URL.Path) return } // Read the file contents. log.Debug("Receiving uploaded file (%d bytes): %s", header.Size, header.Filename) var buf bytes.Buffer io.Copy(&buf, file) filename, cropFilename, err := photo.UploadPhoto(photo.UploadConfig{ User: user, Extension: filepath.Ext(header.Filename), Data: buf.Bytes(), Crop: crop, }) if err != nil { session.FlashError(w, r, "Error in UploadPhoto: %s", err) templates.Redirect(w, r.URL.Path) return } // Configuration for the DB entry. ptmpl := models.Photo{ UserID: user.ID, Filename: filename, CroppedFilename: cropFilename, Caption: caption, Visibility: models.PhotoVisibility(visibility), Gallery: isGallery, Explicit: isExplicit, } // Get the filesize. if stat, err := os.Stat(photo.DiskPath(filename)); err == nil { ptmpl.Filesize = stat.Size() } // Create it in DB! p, err := models.CreatePhoto(ptmpl) if err != nil { session.FlashError(w, r, "Couldn't create Photo in DB: %s", err) } else { log.Info("New photo! %+v", p) } // Are we uploading a profile pic? If so, set the user's pic now. if vars["Intent"] == "profile_pic" { log.Info("User %s is setting their profile picture", user.Username) user.ProfilePhotoID = p.ID user.Save() } session.Flash(w, r, "Your photo has been uploaded successfully.") templates.Redirect(w, r.URL.Path) return } if err := tmpl.Execute(w, r, vars); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } }) }