update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Diagnostics/DiagnosticService.php

@@ -0,0 +1,73 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+namespace Piwik\Plugins\Diagnostics;
+
+use Piwik\Plugins\Diagnostics\Diagnostic\Diagnostic;
+use Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResult;
+
+/**
+ * Runs the Piwik diagnostics.
+ *
+ * @api
+ */
+class DiagnosticService
+{
+    /**
+     * @var Diagnostic[]
+     */
+    private $mandatoryDiagnostics;
+
+    /**
+     * @var Diagnostic[]
+     */
+    private $optionalDiagnostics;
+
+    /**
+     * @param Diagnostic[] $mandatoryDiagnostics
+     * @param Diagnostic[] $optionalDiagnostics
+     * @param Diagnostic[] $disabledDiagnostics
+     */
+    public function __construct(array $mandatoryDiagnostics, array $optionalDiagnostics, array $disabledDiagnostics)
+    {
+        $this->mandatoryDiagnostics = $this->removeDisabledDiagnostics($mandatoryDiagnostics, $disabledDiagnostics);
+        $this->optionalDiagnostics = $this->removeDisabledDiagnostics($optionalDiagnostics, $disabledDiagnostics);
+    }
+
+    /**
+     * @return DiagnosticReport
+     */
+    public function runDiagnostics()
+    {
+        return new DiagnosticReport(
+            $this->run($this->mandatoryDiagnostics),
+            $this->run($this->optionalDiagnostics)
+        );
+    }
+
+    /**
+     * @param Diagnostic[] $diagnostics
+     * @return DiagnosticResult[]
+     */
+    private function run(array $diagnostics)
+    {
+        $results = array();
+
+        foreach ($diagnostics as $diagnostic) {
+            $results = array_merge($results, $diagnostic->execute());
+        }
+
+        return $results;
+    }
+
+    private function removeDisabledDiagnostics(array $diagnostics, array $disabledDiagnostics)
+    {
+        return array_filter($diagnostics, function (Diagnostic $diagnostic) use ($disabledDiagnostics) {
+            return ! in_array($diagnostic, $disabledDiagnostics, true);
+        });
+    }
+}