<?php

	// Only Editor and ToolsModerator are allowd (send us to the front page if not)
		editor_or_toolsmoderator_gatekeeper();

        // make sure action is secure
        action_gatekeeper();

	// Get input data
		$guid = (int) get_input('tool');
                $title = get_input('tooltitle');
                $url = get_input('toolurl');
                $body = get_input('toolbody');
                $short_description = get_input('toolshortdescription');
                $subjects = get_input('toolsubjects');
                $tags = get_input('tooltags');
                $guidelines = get_input('toolguidelines');
		
	// Make sure we actually have permission to edit
		$tool = get_entity($guid);
		if ($tool->getSubtype() == "tool" && $tool->canEdit()) {
	
		// Cache to the session
                        $_SESSION['tooltitle'] = $title;
                        $_SESSION['toolurl'] = $url;
                        $_SESSION['toolbody'] = $body;
                        $_SESSION['toolshortdescription'] = $short_description;
                        $_SESSION['toolsubjects'] = $subjects;
                        $_SESSION['tooltags'] = $tags;
                        $_SESSION['toolguidelines'] = $guidelines;
			
		// Convert string of tags into a preformatted array
                        $tagarray = string_to_tag_array($tags);

		// Make sure the title / description aren't blank
                        if (empty($title) || empty($body) || empty($url) || empty($short_description)) {
                                /*translation:Please fill all required fields.*/
				register_error(elgg_echo("koolielu:error_blank"));
				forward("mod/tools/edit.php?tool=" . $guid);
				
		// Otherwise, save the tool
			} else {
				
		// Get owning user
				$owner = get_entity($tool->getOwner());
		// Only addable by trusted users, public by default
				$tool->access_id = 2; // public
		// Set its title and description appropriately
				$tool->title = $title;
				$tool->description = $body;
		// Before we can set metadata, we need to save the tool
                                if (!$tool->save()) {
                                        /*translation:Error occured, object could not be saved.*/
					register_error(elgg_echo("koolielu:error_not_saved"));
					forward("mod/tools/edit.php?tool=" . $guid);
				}
		// Now let's add tags. We can pass an array directly to the object property! Easy.
				$tool->clearMetadata('tags');
				if (is_array($tagarray)) {
					$tool->tags = $tagarray;
                                }
                // Setting our own data now
                                $tool->clearMetadata('subjects');
                                $tool->subjects = $subjects;

                                $tool->clearMetadata('url');
                                $tool->url = $url;

                                $tool->clearMetadata('guidelines');
                                $tool->guidelines = serialize(keParseGuidelines($guidelines));

                                $tool->clearMetadata('shortdescription');
                                $tool->shortdescription = $short_description;

                // Deal with image
                                if ((isset($_FILES['toolimage'])) && (substr_count($_FILES['toolimage']['type'],'image/'))) {
                                    $supported_formats = getSupportedImageFormats();
                                    $image = get_uploaded_file('toolimage');
                                    // See if we even support the format first
                                    if (in_array(exif_imagetype($_FILES['toolimage']['tmp_name']),$supported_formats)) {
                                        // Delete all associated files, and then save new ones
                                        deleteKeObjectImages($tool->getGUID(), $tool->getOwner());
                                        $original = saveImageFile($tool->guid . ".original", $image, $tool->getOwner());
                                        // Write original file name into objects metadata
                                        $tool->clearMetadata('original_file_name');
                                        $tool->original_file_name = $_FILES['toolimage']['name'];
                                        if (!$original) {
                                            /*translation:Original image could not be saved.*/
                                            register_error(elgg_echo('koolielu:error_original_image_not_saved'));
                                        }

                                        $resized_image = get_resized_image_from_uploaded_file('toolimage', 100, 100, false);
                                        $resized = saveImageFile("small_" . $tool->guid . ".jpg", $resized_image, $tool->getOwner());
                                        if (!$resized) {
                                            /*translation:Resized image could not be saved.*/
                                            register_error(elgg_echo('koolielu:error_resized_image_not_saved'));
                                        }

                                        $resized_listing_image = get_resized_image_from_uploaded_file('toolimage', 40, 40, false);
                                        $resized_listing = saveImageFile("listing_" . $tool->getGUID() . ".jpg", $resized_listing_image, $tool->getOwner());

                                        if (!$resized_listing) {
                                            /*translation:Resized image could not be saved.*/
                                            register_error(elgg_echo('koolielu:error_resized_image_not_saved'));
                                        }
                                    } else {
                                        /*translation:Image format not supported. Supported formats are: .jpg, .png, .jpeg and .gif.*/
                                        register_error('koolielu:error_supported_image_formats');
                                    }
                                }
		// Success message
                                /*translation:Tool modified.*/
                                system_message(elgg_echo("koolielu:message_tool_modified"));
		// Remove the tool cache
				unset($_SESSION['tooltitle']); unset($_SESSION['toolurl']); unset($_SESSION['toolbody']); unset($_SESSION['toolshortdescription']); unset($_SESSION['toolsubjects']); unset($_SESSION['tooltags']); unset($_SESSION['toolguidelines']);
		// Forward to the main tools page
				forward($tool->getURL());
					
			}
		
		}
		
?>