Added avatar image upload

app/Model/AvatarFile.php

@@ -0,0 +1,111 @@
+<?php
+
+namespace Kanboard\Model;
+
+use Exception;
+
+/**
+ * Avatar File
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class AvatarFile extends Base
+{
+    /**
+     * Path prefix
+     *
+     * @var string
+     */
+    const PATH_PREFIX = 'avatars';
+
+    /**
+     * Get image filename
+     *
+     * @access public
+     * @param  integer $user_id
+     * @return string
+     */
+    public function getFilename($user_id)
+    {
+        return $this->db->table(User::TABLE)->eq('id', $user_id)->findOneColumn('avatar_path');
+    }
+
+    /**
+     * Add avatar in the user profile
+     *
+     * @access public
+     * @param  integer  $user_id    Foreign key
+     * @param  string   $path       Path on the disk
+     * @return bool
+     */
+    public function create($user_id, $path)
+    {
+        $result = $this->db->table(User::TABLE)->eq('id', $user_id)->update(array(
+            'avatar_path' => $path,
+        ));
+
+        $this->userSession->refresh($user_id);
+
+        return $result;
+    }
+
+    /**
+     * Remove avatar from the user profile
+     *
+     * @access public
+     * @param  integer  $user_id    Foreign key
+     * @return bool
+     */
+    public function remove($user_id)
+    {
+        try {
+            $this->objectStorage->remove($this->getFilename($user_id));
+            $result = $this->db->table(User::TABLE)->eq('id', $user_id)->update(array('avatar_path' => ''));
+            $this->userSession->refresh($user_id);
+            return $result;
+        } catch (Exception $e) {
+            $this->logger->error($e->getMessage());
+            return false;
+        }
+    }
+
+    /**
+     * Upload avatar image
+     *
+     * @access public
+     * @param  integer $user_id
+     * @param  array   $file
+     */
+    public function uploadFile($user_id, array $file)
+    {
+        try {
+            if ($file['error'] == UPLOAD_ERR_OK && $file['size'] > 0) {
+                $destination_filename = $this->generatePath($user_id, $file['name']);
+                $this->objectStorage->moveUploadedFile($file['tmp_name'], $destination_filename);
+                $this->create($user_id, $destination_filename);
+            } else {
+                throw new Exception('File not uploaded: '.var_export($file['error'], true));
+            }
+
+        } catch (Exception $e) {
+            $this->logger->error($e->getMessage());
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Generate the path for a new filename
+     *
+     * @access public
+     * @param  integer   $user_id
+     * @param  string    $filename
+     * @return string
+     */
+    public function generatePath($user_id, $filename)
+    {
+        return implode(DIRECTORY_SEPARATOR, array(self::PATH_PREFIX, $user_id, hash('sha1', $filename.time())));
+    }
+}