More updates

2026-07-24 16:23:09 +02:00 · 2015-08-19 22:06:50 +00:00
parent 9c4292e35e
commit 6f11ffee14
183 changed files with 21281 additions and 0 deletions
@@ -0,0 +1,106 @@
+<?php
+
+namespace InfluxDB;
+
+use InfluxDB\Client\Exception as ClientException;
+
+/**
+ * Class ResultSet
+ *
+ * @package InfluxDB
+ * @author  Stephen "TheCodeAssassin" Hoogendijk
+ */
+class ResultSet
+{
+    /**
+     * @var array|mixed
+     */
+    protected $parsedResults = [];
+
+    /**
+     * @param string $raw
+     * @throws \InvalidArgumentException
+     * @throws Exception
+     */
+    public function __construct($raw)
+    {
+        $this->parsedResults = json_decode((string) $raw, true);
+
+        if (json_last_error() !== JSON_ERROR_NONE) {
+            throw new \InvalidArgumentException('Invalid JSON');
+        }
+
+        // There was an error in the query thrown by influxdb
+        if (isset($this->parsedResults['error'])) {
+            throw new ClientException($this->parsedResults['error']);
+        }
+
+        // Check if there are errors in the first serie
+        if (isset($this->parsedResults['results'][0]['error'])) {
+            throw new ClientException($this->parsedResults['results'][0]['error']);
+        }
+    }
+
+    /**
+     * @param  $metricName
+     * @param  array $tags
+     * @return array $points
+     */
+    public function getPoints($metricName = '', array $tags = array())
+    {
+        $points = [];
+        $series = $this->getSeries();
+
+        foreach ($series as $serie) {
+            if ((empty($metricName) && empty($tags)
+                || $serie['name'] == $metricName
+                || (isset($serie['tags']) && array_intersect($tags, $serie['tags'])))
+                && isset($serie['values'])
+            ) {
+                $points = array_merge($points, $this->getPointsFromSerie($serie));
+            }
+        }
+
+        return $points;
+    }
+
+    /**
+     * @see: https://influxdb.com/docs/v0.9/concepts/reading_and_writing_data.html
+     *
+     * results is an array of objects, one for each query,
+     * each containing the keys for a series
+     *
+     * @throws Exception
+     * @return array $series
+     */
+    public function getSeries()
+    {
+        $series = array_map(
+            function ($object) {
+                if (isset($object['error'])) {
+                    throw new ClientException($object['error']);
+                }
+
+                return isset($object['series']) ? $object['series'] : [];
+            },
+            $this->parsedResults['results']
+        );
+
+        return array_shift($series);
+    }
+
+    /**
+     * @param  array $serie
+     * @return array
+     */
+    private function getPointsFromSerie(array $serie)
+    {
+        $points = [];
+
+        foreach ($serie['values'] as $point) {
+            $points[] = array_combine($serie['columns'], $point);
+        }
+
+        return $points;
+    }
+}