User import is now a popover

app/Controller/UserImportController.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace Kanboard\Controller;
+
+use Kanboard\Core\Csv;
+
+/**
+ * User Import controller
+ *
+ * @package  Kanboard\Controller
+ * @author   Frederic Guillot
+ */
+class UserImportController extends BaseController
+{
+    /**
+     * Upload the file and ask settings
+     *
+     * @param array $values
+     * @param array $errors
+     */
+    public function show(array $values = array(), array $errors = array())
+    {
+        $this->response->html($this->template->render('user_import/show', array(
+            'values' => $values,
+            'errors' => $errors,
+            'max_size' => ini_get('upload_max_filesize'),
+            'delimiters' => Csv::getDelimiters(),
+            'enclosures' => Csv::getEnclosures(),
+        )));
+    }
+
+    /**
+     * Submit form
+     */
+    public function save()
+    {
+        $values = $this->request->getValues();
+        $filename = $this->request->getFilePath('file');
+
+        if (! file_exists($filename)) {
+            $this->flash->failure(t('Unable to read your file'));
+        } else {
+            $this->importFile($values, $filename);
+        }
+
+        $this->response->redirect($this->helper->url->to('user', 'index'));
+    }
+
+    /**
+     * Generate template
+     *
+     */
+    public function template()
+    {
+        $this->response->withFileDownload('users.csv');
+        $this->response->csv(array($this->userImport->getColumnMapping()));
+    }
+
+    /**
+     * Process file
+     *
+     * @param array $values
+     * @param       $filename
+     */
+    private function importFile(array $values, $filename)
+    {
+        $csv = new Csv($values['delimiter'], $values['enclosure']);
+        $csv->setColumnMapping($this->userImport->getColumnMapping());
+        $csv->read($filename, array($this->userImport, 'import'));
+
+        if ($this->userImport->counter > 0) {
+            $this->flash->success(t('%d user(s) have been imported successfully.', $this->userImport->counter));
+        } else {
+            $this->flash->failure(t('Nothing have been imported!'));
+        }
+    }
+}