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import.php
173 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package VikAppointments |
| 4 | * @subpackage core |
| 5 | * @author E4J s.r.l. |
| 6 | * @copyright Copyright (C) 2021 E4J s.r.l. All Rights Reserved. |
| 7 | * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
| 8 | * @link https://vikwp.com |
| 9 | */ |
| 10 | |
| 11 | // No direct access |
| 12 | defined('ABSPATH') or die('No script kiddies please!'); |
| 13 | |
| 14 | VAPLoader::import('libraries.mvc.model'); |
| 15 | |
| 16 | /** |
| 17 | * VikAppointments import model. |
| 18 | * |
| 19 | * @since 1.7 |
| 20 | */ |
| 21 | class VikAppointmentsModelImport extends JModelVAP |
| 22 | { |
| 23 | /** |
| 24 | * Basic save implementation. |
| 25 | * |
| 26 | * @param mixed $data Either an array or an object of data to save. |
| 27 | * |
| 28 | * @return mixed An array of imported rows on success, false otherwise. |
| 29 | */ |
| 30 | public function save($data) |
| 31 | { |
| 32 | $data = (array) $data; |
| 33 | |
| 34 | // prepare parameters |
| 35 | $type = isset($data['type']) ? $data['type'] : ''; |
| 36 | $assoc = isset($data['assoc']) ? $data['assoc'] : array(); |
| 37 | $args = isset($data['args']) ? $data['args'] : array(); |
| 38 | |
| 39 | // do import |
| 40 | return $this->import($type, $assoc, $args); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Processes an import file. |
| 45 | * |
| 46 | * @param string $type The import file type. |
| 47 | * @param array $assoc A lookup used to associate the CSV columns with the db table. |
| 48 | * @param array $args An array of options. |
| 49 | * |
| 50 | * @return mixed An array of imported rows on success, false otherwise. |
| 51 | */ |
| 52 | public function import($type, $assoc = array(), $args = array()) |
| 53 | { |
| 54 | VAPLoader::import('libraries.import.factory'); |
| 55 | $handler = ImportFactory::getObject($type); |
| 56 | |
| 57 | if (!$handler) |
| 58 | { |
| 59 | throw new Exception('Import type not supported.', 404); |
| 60 | } |
| 61 | |
| 62 | if (!$handler->hasFile()) |
| 63 | { |
| 64 | // no uploaded file |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | // process import |
| 69 | $count = $handler->save($assoc, $args); |
| 70 | |
| 71 | // flush imported file |
| 72 | $this->delete($type); |
| 73 | |
| 74 | // build response array |
| 75 | $response = array( |
| 76 | 'count' => $count, |
| 77 | 'total' => $handler->getTotalCount(), |
| 78 | ); |
| 79 | |
| 80 | // look for errors and copy them within model |
| 81 | foreach ($handler->getErrors() as $error) |
| 82 | { |
| 83 | $this->setError($error); |
| 84 | } |
| 85 | |
| 86 | return $response; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Uploads an import file to manage the associations between |
| 91 | * the columns contained within the CSV and the properties |
| 92 | * of the database table. |
| 93 | * |
| 94 | * @param string $type The import type. |
| 95 | * @param array $csv The uploaded file. |
| 96 | * |
| 97 | * @return mixed The file path on success, false otherwise. |
| 98 | */ |
| 99 | public function upload($type, $csv) |
| 100 | { |
| 101 | if (!$type) |
| 102 | { |
| 103 | // missing type |
| 104 | return false; |
| 105 | } |
| 106 | |
| 107 | // create new file name |
| 108 | $file_name = $type . '_' . $csv['name']; |
| 109 | |
| 110 | // build path in which the files are stored |
| 111 | $path = VAPADMIN . DIRECTORY_SEPARATOR . 'helpers' . DIRECTORY_SEPARATOR . 'resources'; |
| 112 | // append file name to path |
| 113 | $path .= DIRECTORY_SEPARATOR . $file_name; |
| 114 | |
| 115 | /** |
| 116 | * Added support for the following MIME types: |
| 117 | * - text/plain (.txt) |
| 118 | * - application/vnd.ms-excel (.csv on Windows) |
| 119 | * |
| 120 | * @since 1.6.3 |
| 121 | * @since 1.7 The filtering is now applied to the file name. |
| 122 | */ |
| 123 | // $filters = 'text/csv,text/plain,application/vnd.ms-excel'; |
| 124 | $filters = 'csv'; |
| 125 | |
| 126 | // upload import file |
| 127 | $resp = VikAppointments::uploadFile($csv, $path, $filters, $overwrite = true); |
| 128 | |
| 129 | if (!$resp->status) |
| 130 | { |
| 131 | // unable to upload the image, abort |
| 132 | $this->setError(JText::translate($resp->errno == 1 ? 'VAPCONFIGUPLOADERROR' : 'VAPCONFIGFILETYPEERROR')); |
| 133 | |
| 134 | return false; |
| 135 | } |
| 136 | |
| 137 | // upload went fine |
| 138 | return $resp->path; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Method to delete the uploaded import file. |
| 143 | * |
| 144 | * @param string $type The import type. |
| 145 | * |
| 146 | * @return boolean True on success. |
| 147 | */ |
| 148 | public function delete($type = null) |
| 149 | { |
| 150 | if (!$type) |
| 151 | { |
| 152 | // missing type |
| 153 | return false; |
| 154 | } |
| 155 | |
| 156 | // build path in which the import files are uploaded |
| 157 | $folder = VAPADMIN . DIRECTORY_SEPARATOR . 'helpers' . DIRECTORY_SEPARATOR . 'resources' . DIRECTORY_SEPARATOR; |
| 158 | |
| 159 | // get all files that starts with the provided type: [TYPE]_*.csv |
| 160 | $files = glob($folder . $type . '_*.csv'); |
| 161 | |
| 162 | $res = false; |
| 163 | |
| 164 | // delete one by one |
| 165 | foreach ($files as $file) |
| 166 | { |
| 167 | $res = unlink($file) || $res; |
| 168 | } |
| 169 | |
| 170 | return $res; |
| 171 | } |
| 172 | } |
| 173 |