Add user CSV import

app/Core/Csv.php

@@ -0,0 +1,212 @@
+<?php
+
+namespace Core;
+
+use SplFileObject;
+
+/**
+ * CSV Writer/Reader
+ *
+ * @package core
+ * @author  Frederic Guillot
+ */
+class Csv
+{
+    /**
+     * CSV delimiter
+     *
+     * @access private
+     * @var string
+     */
+    private $delimiter = ',';
+
+    /**
+     * CSV enclosure
+     *
+     * @access private
+     * @var string
+     */
+    private $enclosure = '"';
+
+    /**
+     * CSV/SQL columns
+     *
+     * @access private
+     * @var array
+     */
+    private $columns = array();
+
+    /**
+     * Constructor
+     *
+     * @access public
+     * @param  string  $delimiter
+     * @param  string  $enclosure
+     */
+    public function __construct($delimiter = ',', $enclosure = '"')
+    {
+        $this->delimiter = $delimiter;
+        $this->enclosure = $enclosure;
+    }
+
+    /**
+     * Get list of delimiters
+     *
+     * @static
+     * @access public
+     * @return array
+     */
+    public static function getDelimiters()
+    {
+        return array(
+            ',' => t('Comma'),
+            ';' => t('Semi-colon'),
+            '\t' => t('Tab'),
+            '|' => t('Vertical bar'),
+        );
+    }
+
+    /**
+     * Get list of enclosures
+     *
+     * @static
+     * @access public
+     * @return array
+     */
+    public static function getEnclosures()
+    {
+        return array(
+            '"' => t('Double Quote'),
+            "'" => t('Single Quote'),
+            '' => t('None'),
+        );
+    }
+
+    /**
+     * Check boolean field value
+     *
+     * @static
+     * @access public
+     * @return integer
+     */
+    public static function getBooleanValue($value)
+    {
+        if (! empty($value)) {
+            $value = trim(strtolower($value));
+            return $value === '1' || $value{0} === 't' ? 1 : 0;
+        }
+
+        return 0;
+    }
+
+    /**
+     * Output CSV file to standard output
+     *
+     * @static
+     * @access public
+     * @param  array  $rows
+     */
+    public static function output(array $rows)
+    {
+        $csv = new static;
+        $csv->write('php://output', $rows);
+    }
+
+    /**
+     * Define column mapping between CSV and SQL columns
+     *
+     * @access public
+     * @param  array $columns
+     * @return Csv
+     */
+    public function setColumnMapping(array $columns)
+    {
+        $this->columns = $columns;
+        return $this;
+    }
+
+    /**
+     * Read CSV file
+     *
+     * @access public
+     * @param  string    $filename
+     * @param  \Closure  $callback   Example: function(array $row, $line_number)
+     * @return Csv
+     */
+    public function read($filename, $callback)
+    {
+        $file = new SplFileObject($filename);
+        $file->setFlags(SplFileObject::READ_CSV);
+        $file->setCsvControl($this->delimiter, $this->enclosure);
+        $line_number = 0;
+
+        foreach ($file as $row) {
+            $row = $this->filterRow($row);
+
+            if (! empty($row) && $line_number > 0) {
+                call_user_func_array($callback, array($this->associateColumns($row), $line_number));
+            }
+
+            $line_number++;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Write CSV file
+     *
+     * @access public
+     * @param  string    $filename
+     * @param  array     $rows
+     * @return Csv
+     */
+    public function write($filename, array $rows)
+    {
+        $file = new SplFileObject($filename, 'w');
+
+        foreach ($rows as $row) {
+            $file->fputcsv($row, $this->delimiter, $this->enclosure);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Associate columns header with row values
+     *
+     * @access private
+     * @param  array $row
+     * @return array
+     */
+    private function associateColumns(array $row)
+    {
+        $line = array();
+        $index = 0;
+
+        foreach ($this->columns as $sql_name => $csv_name) {
+            if (isset($row[$index])) {
+                $line[$sql_name] = $row[$index];
+            }
+            else {
+                $line[$sql_name] = '';
+            }
+
+            $index++;
+        }
+
+        return $line;
+    }
+
+    /**
+     * Filter empty rows
+     *
+     * @access private
+     * @param  array $row
+     * @return array
+     */
+    private function filterRow(array $row)
+    {
+        return array_filter($row);
+    }
+}

app/Core/Request.php

@@ -102,6 +102,18 @@ class Request
         return '';
     }
 
+    /**
+     * Get the path of an uploaded file
+     *
+     * @access public
+     * @param  string   $name   Form file name
+     * @return string
+     */
+    public function getFilePath($name)
+    {
+        return isset($_FILES[$name]['tmp_name']) ? $_FILES[$name]['tmp_name'] : '';
+    }
+
     /**
      * Return true if the HTTP request is sent with the POST method
      *

app/Core/Response.php

@@ -87,8 +87,9 @@ class Response
     {
         $this->status($status_code);
         $this->nocache();
+
         header('Content-Type: text/csv');
-        Tool::csv($data);
+        Csv::output($data);
         exit;
     }
 

app/Core/Router.php

@@ -197,7 +197,7 @@ class Router extends Base
      */
     public function sanitize($value, $default_value)
     {
-        return ! ctype_alpha($value) || empty($value) ? $default_value : strtolower($value);
+        return ! preg_match('/^[a-zA-Z_0-9]+$/', $value) ? $default_value : $value;
     }
 
     /**
@@ -218,6 +218,7 @@ class Router extends Base
             list($this->controller, $this->action) = $this->findRoute($this->getPath($uri, $query_string)); // TODO: add plugin for routes
             $plugin = '';
         }
+
         $class = empty($plugin) ? '\Controller\\'.ucfirst($this->controller) : '\Plugin\\'.ucfirst($plugin).'\Controller\\'.ucfirst($this->controller);
 
         $instance = new $class($this->container);

app/Core/Tool.php

@@ -12,27 +12,6 @@ use Pimple\Container;
  */
 class Tool
 {
-    /**
-     * Write a CSV file
-     *
-     * @static
-     * @access public
-     * @param  array    $rows       Array of rows
-     * @param  string   $filename   Output filename
-     */
-    public static function csv(array $rows, $filename = 'php://output')
-    {
-        $fp = fopen($filename, 'w');
-
-        if (is_resource($fp)) {
-            foreach ($rows as $fields) {
-                fputcsv($fp, $fields);
-            }
-
-            fclose($fp);
-        }
-    }
-
     /**
      * Get the mailbox hash from an email address
      *