diff options
Diffstat (limited to 'modules/gallery/helpers/gallery_rest.php')
| -rw-r--r-- | modules/gallery/helpers/gallery_rest.php | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/modules/gallery/helpers/gallery_rest.php b/modules/gallery/helpers/gallery_rest.php new file mode 100644 index 00000000..563a2c7c --- /dev/null +++ b/modules/gallery/helpers/gallery_rest.php @@ -0,0 +1,249 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2009 Bharat Mediratta + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ +class gallery_rest_Core { + static function get($request) { + $path = implode("/", $request->arguments); + + $item = gallery_rest::_get_item($path); + + $parent = $item->parent(); + $response_data = array("type" => $item->type, + "name" => $item->name, + "path" => $item->relative_url(), + "parent_path" => empty($parent) ? null : $parent->relative_url(), + "title" => $item->title, + "thumb_url" => $item->thumb_url(true), + "thumb_size" => array("height" => $item->thumb_height, + "width" => $item->thumb_width), + "resize_url" => $item->resize_url(true), + "resize_size" => array("height" => (int)$item->resize_height, + "width" => (int)$item->resize_width), + "url" => $item->file_url(true), + "size" => array("height" => $item->height, + "width" => $item->width), + "description" => $item->description, + "slug" => $item->slug); + + $children = self::_get_children($item, $request); + if (!empty($children) || $item->is_album()) { + $response_data["children"] = $children; + } + return rest::success(array("resource" => $response_data)); + } + + static function put($request) { + if (empty($request->arguments)) { + Rest_Exception::trigger(400, "Bad request"); + } + $path = implode("/", $request->arguments); + $item = gallery_rest::_get_item($path, "edit"); + + // Validate the request data + $new_values = gallery_rest::_validate($request, $item->parent_id, $item->id); + $errors = $new_values->errors(); + if (empty($errors)) { + $item->title = $new_values->title; + $item->description = $new_values->description; + if ($item->id != 1) { + $item->rename($new_values->name); + } + $item->slug = $new_values->slug; + $item->save(); + + log::success("content", "Updated $item->type", + "<a href=\"{$item->type}s/$item->id\">view</a>"); + + return rest::success(); + } else { + return rest::validation_error($errors); + } + } + + static function post($request) { + if (empty($request->arguments)) { + Rest_Exception::trigger(400, "Bad request"); + } + + $components = $request->arguments; + $name = urldecode(array_pop($components)); + + $parent = gallery_rest::_get_item(implode("/", $components), "edit"); + + // Validate the request data + $request->name = $name; + $new_values = gallery_rest::_validate($request, $parent->id); + $errors = $new_values->errors(); + if (!empty($errors)) { + return rest::validation_error($errors); + } + + if (empty($new_values["image"])) { + $new_item = album::create( + $parent, + $name, + empty($new_values["title"]) ? $name : $new_values["title"], + empty($new_values["description"]) ? null : $new_values["description"], + identity::active_user()->id, + empty($new_values["slug"]) ? $name : $new_values["slug"]); + $log_message = t("Added an album"); + } else { + $temp_filename = upload::save("image"); + $path_info = @pathinfo($temp_filename); + if (array_key_exists("extension", $path_info) && + in_array(strtolower($path_info["extension"]), array("flv", "mp4"))) { + $new_item = + movie::create($parent, $temp_filename, $new_values["name"], $new_values["title"]); + $log_message = t("Added a movie"); + } else { + $new_item = + photo::create($parent, $temp_filename, $new_values["name"], $new_values["title"]); + $log_message = t("Added a photo"); + } + } + + log::success("content", $log_message, "<a href=\"{$new_item->type}s/$new_item->id\">view</a>"); + + return rest::success(array("path" => $new_item->relative_url())); + } + + static function delete($request) { + if (empty($request->arguments)) { + Rest_Exception::trigger(400, "Bad request", $log_message); + return rest::invalid_request(); + } + $path = implode("/", $request->arguments); + + $item = gallery_rest::_get_item($path, "edit"); + + if ($item->id == 1) { + Rest_Exception::trigger(400, "Bad request", "Attempt to delete the root album"); + } + + $parent = $item->parent(); + $item->delete(); + + if ($item->is_album()) { + $msg = t("Deleted album <b>%title</b>", array("title" => html::purify($item->title))); + } else { + $msg = t("Deleted photo <b>%title</b>", array("title" => html::purify($item->title))); + } + log::success("content", $msg); + + return rest::success(array("resource" => array("parent_path" => $parent->relative_url()))); + } + + private static function _get_item($path, $permission="view") { + $item = url::get_item_from_uri($path); + + if (!$item->loaded()) { + throw new Kohana_404_Exception(); + } + + if (!access::can($permission, $item)) { + throw new Kohana_404_Exception(); + } + + return $item; + } + + private static function _get_children($item, $request) { + $children = array(); + $limit = empty($request->limit) ? null : $request->limit; + $offset = empty($request->offset) ? null : $request->offset; + $where = empty($request->filter) ? array() : array("type" => $request->filter); + foreach ($item->viewable()->children($limit, $offset, $where) as $child) { + $children[] = array("type" => $child->type, + "has_children" => $child->children_count() > 0, + "path" => $child->relative_url(), + "thumb_url" => $child->thumb_url(true), + "thumb_dimensions" => array("width" => $child->thumb_width, + "height" => $child->thumb_height), + "has_thumb" => $child->has_thumb(), + "title" => $child->title); + } + + return $children; + } + + private static function _validate($request, $parent_id, $item_id=0) { + $item = ORM::factory("item", $item_id); + + // Normalize the inputs so all fields have a value + $new_values = Validation::factory(array()); + foreach ($item->form_rules as $field => $rule_set) { + if (isset($request->$field)) { + $new_values[$field] = $request->$field; + } else if (isset($item->$field)) { + $new_values[$field] = $item->$field; + } + foreach (explode("|", $rule_set) as $rule) { + $new_values->add_rules($field, $rule); + } + } + $name = $new_values["name"]; + $new_values["title"] = empty($new_values["title"]) ? $name : $new_values["title"]; + $new_values["description"] = + empty($new_values["description"]) ? null : $new_values["description"]; + $new_values["slug"] = empty($new_values["slug"]) ? $name : $new_values["slug"]; + + if (!empty($request->image)) { + $new_values["image"] = $request->image; + $new_values->add_rules( + "image", "upload::valid", "upload::required", "upload::type[gif,jpg,jpeg,png,flv,mp4]"); + } + + if ($new_values->validate() && $item_id != 1) { + $errors = gallery_rest::_check_for_conflicts($parent_id, $item_id, + $new_values["name"], $new_values["slug"]); + if (!empty($errors)) { + !empty($errors["name_conflict"]) OR $new_values->add_error("name", "Duplicate name"); + !empty($errors["slug_conflict"]) OR + $new_values->add_error("slug", "Duplicate Internet address"); + } + } + + return $new_values; + } + + private static function _check_for_conflicts($parent_id, $item_id, $new_name, $new_slug) { + $errors = array(); + + if ($row = db::build() + ->select(array("name", "slug")) + ->from("items") + ->where("parent_id", "=", $parent_id) + ->where("id", "<>", $item_id) + ->and_open() + ->where("name", "=", $new_name) + ->or_where("slug", "=", $new_slug) + ->close() + ->execute() + ->current()) { + if ($row->name == $new_name) { + $errors["name_conflict"] = 1; + } + if ($row->slug == $new_slug) { + $errors["slug_conflict"] = 1; + } + } + + return $errors; + } +} |