1 files changed, 109 insertions, 0 deletions
diff --git a/lib/sfIsisImporterLog.class.php b/lib/sfIsisImporterLog.class.php
new file mode 100644
index 0000000..34594a6
--- /dev/null
+++ b/lib/sfIsisImporterLog.class.php
@@ -0,0 +1,109 @@
+<?php
+
+/**
+ * Logger.
+ *
+ * @todo $this->caller, $this->section
+ */
+class sfIsisImporterLog
+{
+  /**
+   * @var object $instance The singleton instance.
+   */
+  private static $instance = null;
+
+  /**
+   * @var object $instance Default loglevel.
+   */
+  public static $loglevel;
+
+  /**
+   * @var int $processed Number of processed entries.
+   */
+  var $processed = 0;
+
+  /**
+   * Get the singleton instance.
+   *
+   * @param string $loglevel Log level to use
+   */
+  public static function getInstance($loglevel = null)
+  {
+    if(self::$instance == null) {
+      self::$instance = new self;
+    }
+
+    if ($loglevel != null)
+    {
+      self::$loglevel = $loglevel;
+    }
+
+    return self::$instance;
+  }
+
+  /**
+   * Constructor.
+   */
+  private function __construct($loglevel = 'info')
+  {
+    $this->loglevel = $loglevel;
+  }
+
+  /**
+   * Log dispatcher.
+   *
+   * @param string $message Log message
+   * @param string $level   Log level
+   */
+  public function log($message, $level = 'info')
+  {
+    // Available log levels ordered by verbosity.
+    $levels = array_flip(array('fatal', 'info', 'warn', 'error', 'debug'));
+
+    // Log level checking.
+    if (array_search($level, $levels) === FALSE)
+    {
+      $this->log("Invalid log level $level.", 'error');
+      return;
+    }
+    elseif ($levels[$level] > $levels[$this->loglevel])
+    {
+      return;
+    }
+
+    // Dispatch.
+    if ($this->section == 'action')
+    {
+      $this->caller->logMessage($message, $level);
+    }
+    else
+    {
+      $this->caller->logSection('isisImporter', "[$level] $message");
+    }
+  }
+
+  /**
+   * Progress notifier.
+   *
+   * @param int $n Row number
+   */
+  public function progress($n)
+  {
+    $this->processed = $n;
+
+    if ($this->section == 'action')
+    {
+      $this->caller->output .= "Saved item $n\n";
+    }
+    else
+    {
+      // Progress bar is just shown if loglevel is 'fatal'.
+      if ($this->loglevel == 'fatal')
+      {
+        $this->caller->progressBar($n, $this->entries);
+      }
+    }
+
+    return $this->processed;
+  }
+}