<?php

        // Role restriction to roles: editor and above
                editor_or_externalgroupsmoderator_gatekeeper();

        // make sure action is secure
                action_gatekeeper();

	// Get input data
		$guid = (int) get_input('externalgroup');
                $title = get_input('externalgrouptitle');
                $body = get_input('externalgroupbody');
                $url = get_input('externalgroupurl');
                $rss = get_input('externalgrouprss');
		$tags = get_input('externalgrouptags');
		
	// Make sure we actually have permission to edit
		$externalgroup = get_entity($guid);
		if ($externalgroup->getSubtype() == "externalgroup" && $externalgroup->canEdit()) {
	
		// Cache to the session
                        $_SESSION['externalgrouptitle'] = $title;
                        $_SESSION['externalgroupbody'] = $body;
                        $_SESSION['externalgroupurl'] = $url;
                        $_SESSION['externalgrouprss'] = $rss;
			$_SESSION['externalgrouptags'] = $tags;
			
		// 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($url) || empty($rss)) {
                                /*translation:Please fill all required fields.*/
				register_error(elgg_echo("koolielu:error_blank"));
				forward("pg/groups/editexternal/" . $guid);
				
		// Otherwise, save the externalgroup
			} else {
				
		// Get owning user
				$owner = get_entity($externalgroup->getOwner());
		// For now, set its access to public (we'll add an access dropdown shortly)
				$externalgroup->access_id = 2;// public
		// Set its title and description appropriately
				$externalgroup->title = $title;
				$externalgroup->description = $body;
		// Before we can set metadata, we need to save the externalgroup
                                if (!$externalgroup->save()) {
                                        /*translation:Error occured, object could not be saved.*/
					register_error(elgg_echo("koolielu:error_not_saved"));
					forward("pg/groups/editexternal/" . $guid);
				}
		// Now let's add tags. We can pass an array directly to the object property! Easy.
				$externalgroup->clearMetadata('tags');
				if (is_array($tagarray)) {
					$externalgroup->tags = $tagarray;
                                }
                                $externalgroup->clearMetadata('url');
                                $externalgroup->url = $url;

                                $externalgroup->clearMetadata('rss');
                                $externalgroup->rss = $rss;
                // Deal with image
                          if ((isset($_FILES['externalgroupimage'])) && (substr_count($_FILES['externalgroupimage']['type'],'image/'))) {
                            $supported_formats = getSupportedImageFormats();

                            $image = get_uploaded_file('externalgroupimage');
                            // See if we even support the format first
                            if (in_array(exif_imagetype($_FILES['externalgroupimage']['tmp_name']),$supported_formats)) {
                                // Save it
                                $original = saveImageFile($externalgroup->getGUID() . '.original', $image, $externalgroup->getOwner());
                                // Write original file name into objects metadata
                                $externalgroup->original_file_name = $_FILES['externalgroupimage']['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('externalgroupimage', 150, 150, false);
                                // Save it
                                $resized = saveImageFile("small_" . $externalgroup->getGUID() . ".jpg", $resized_image, $externalgroup->getOwner());
                                if (!$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('externalgroupimage', 40, 40, false);
                                // Save it
                                $resized_listing = saveImageFile("listing_" . $externalgroup->getGUID() . ".jpg", $resized_listing_image, $externalgroup->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(elgg_echo('koolielu:error_supported_image_formats'));
                            }

                        }
		// Success message
                                /*translation:External group modified.*/
				system_message(elgg_echo("koolielu:message_externalgroup_modified"));
		// Remove the externalgroup cache
				unset($_SESSION['externalgrouptitle']); unset($_SESSION['externalgroupbody']); unset($_SESSION['externalgroupurl']); unset($_SESSION['externalgrouprss']); unset($_SESSION['externalgrouptags']);
		// Forward to the main page
				forward($externalgroup->getURL());
					
			}
		
		}
		
?>