3 +--------------------------------------------------------------------+
4 | CiviCRM version 4.5 |
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2014 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
10 | CiviCRM is free software; you can copy, modify, and distribute it |
11 | under the terms of the GNU Affero General Public License |
12 | Version 3, 19 November 2009. |
14 | CiviCRM is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. |
19 | You should have received a copy of the GNU Affero General Public |
20 | License and the CiviCRM Licensing Exception along |
21 | with this program; if not, contact CiviCRM LLC |
22 | at info[AT]civicrm[DOT]org. If you have questions about the |
23 | GNU Affero General Public License or the licensing of CiviCRM, |
24 | see the CiviCRM license FAQ at http://civicrm.org/licensing |
25 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC (c) 2004-2014
35 class CRM_Import_DataSource_CSV
extends CRM_Import_DataSource
{
37 NUM_ROWS_TO_INSERT
= 100;
40 * Provides information about the data source
42 * @return array collection of info about this data source
48 return array('title' => ts('Comma-Separated Values (CSV)'));
52 * Set variables up before form is built
56 function preProcess(&$form) {}
59 * This is function is called by the form object to get the DataSource's
60 * form snippet. It should add all fields necesarry to get the data
61 * uploaded to the temporary table in the DB.
63 * @param CRM_Core_Form $form
65 * @return void (operates directly on form argument)
68 function buildQuickForm(&$form) {
69 $form->add('hidden', 'hidden_dataSource', 'CRM_Import_DataSource_CSV');
71 $config = CRM_Core_Config
::singleton();
73 $uploadFileSize = CRM_Core_Config_Defaults
::formatUnitSize($config->maxFileSize
.'m');
74 $uploadSize = round(($uploadFileSize / (1024 * 1024)), 2);
75 $form->assign('uploadSize', $uploadSize);
76 $form->add('File', 'uploadFile', ts('Import Data File'), 'size=30 maxlength=255', TRUE);
77 $form->setMaxFileSize($uploadFileSize);
78 $form->addRule('uploadFile', ts('File size should be less than %1 MBytes (%2 bytes)', array(1 => $uploadSize, 2 => $uploadFileSize)), 'maxfilesize', $uploadFileSize);
79 $form->addRule('uploadFile', ts('Input file must be in CSV format'), 'utf8File');
80 $form->addRule('uploadFile', ts('A valid file must be uploaded.'), 'uploadedfile');
82 $form->addElement('checkbox', 'skipColumnHeader', ts('First row contains column headers'));
86 * Process the form submission
90 function postProcess(&$params, &$db, &$form) {
91 $file = $params['uploadFile']['name'];
92 $result = self
::_CsvToTable($db,
94 CRM_Utils_Array
::value('skipColumnHeader', $params, FALSE),
95 CRM_Utils_Array
::value('import_table_name', $params),
96 CRM_Utils_Array
::value('fieldSeparator', $params, ',')
99 $form->set('originalColHeader', CRM_Utils_Array
::value('original_col_header', $result));
101 $table = $result['import_table_name'];
102 $importJob = new CRM_Contact_Import_ImportJob($table);
103 $form->set('importTableName', $importJob->getTableName());
107 * Create a table that matches the CSV file and populate it with the file's contents
109 * @param object $db handle to the database connection
110 * @param string $file file name to load
111 * @param bool $headers whether the first row contains headers
112 * @param string $table Name of table from which data imported.
113 * @param string $fieldSeparator Character that seperates the various columns in the file
115 * @return string name of the created table
117 private static function _CsvToTable(&$db,
121 $fieldSeparator = ','
124 $fd = fopen($file, 'r');
126 CRM_Core_Error
::fatal("Could not read $file");
129 $config = CRM_Core_Config
::singleton();
130 // support tab separated
131 if (strtolower($fieldSeparator) == 'tab' ||
132 strtolower($fieldSeparator) == '\t'
134 $fieldSeparator = "\t";
137 $firstrow = fgetcsv($fd, 0, $fieldSeparator);
139 // create the column names from the CSV header or as col_0, col_1, etc.
141 //need to get original headers.
142 $result['original_col_header'] = $firstrow;
144 $strtolower = function_exists('mb_strtolower') ?
'mb_strtolower' : 'strtolower';
145 $columns = array_map($strtolower, $firstrow);
146 $columns = str_replace(' ', '_', $columns);
147 $columns = preg_replace('/[^a-z_]/', '', $columns);
149 // need to take care of null as well as duplicate col names.
150 $duplicateColName = FALSE;
151 if (count($columns) != count(array_unique($columns))) {
152 $duplicateColName = TRUE;
156 // need to truncate values per mysql field name length limits
157 // mysql allows 64, but we need to account for appending colKey
159 foreach ($columns as $colKey => & $colName) {
160 if (strlen($colName) > 58) {
161 $colName = substr($colName, 0, 58);
165 if (in_array('', $columns) ||
$duplicateColName) {
166 foreach ($columns as $colKey => & $colName) {
168 $colName = "col_$colKey";
170 elseif ($duplicateColName) {
171 $colName .= "_$colKey";
176 // CRM-4881: we need to quote column names, as they may be MySQL reserved words
177 foreach ($columns as & $column) $column = "`$column`";
181 foreach ($firstrow as $i => $_) $columns[] = "col_$i";
184 // FIXME: we should regen this table's name if it exists rather than drop it
186 $table = 'civicrm_import_job_' . md5(uniqid(rand(), TRUE));
189 $db->query("DROP TABLE IF EXISTS $table");
191 $numColumns = count($columns);
192 $create = "CREATE TABLE $table (" . implode(' text, ', $columns) . " text) ENGINE=InnoDB DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci";
195 // the proper approach, but some MySQL installs do not have this enabled
196 // $load = "LOAD DATA LOCAL INFILE '$file' INTO TABLE $table FIELDS TERMINATED BY '$fieldSeparator' OPTIONALLY ENCLOSED BY '\"'";
197 // if ($headers) { $load .= ' IGNORE 1 LINES'; }
198 // $db->query($load);
200 // parse the CSV line by line and build one big INSERT (while MySQL-escaping the CSV contents)
208 while ($row = fgetcsv($fd, 0, $fieldSeparator)) {
209 // skip rows that dont match column count, else we get a sql error
210 if (count($row) != $numColumns) {
219 $row = array_map('civicrm_mysql_real_escape_string', $row);
220 $sql .= "('" . implode("', '", $row) . "')";
223 if ($count >= self
::NUM_ROWS_TO_INSERT
&& !empty($sql)) {
224 $sql = "INSERT IGNORE INTO $table VALUES $sql";
234 $sql = "INSERT IGNORE INTO $table VALUES $sql";
240 //get the import tmp table name.
241 $result['import_table_name'] = $table;
252 function civicrm_mysql_real_escape_string($string) {
255 $dao = new CRM_Core_DAO();
257 return $dao->escape($string);