fix(Datasource\CarbonIntensityRTE): ensure that we collect full hours in incremental download

Author: btry

src/DataSource/CarbonIntensityRTE.php

@@ -138,10 +138,26 @@ public function fetchDay(DateTimeImmutable $day, string $zone): array
             return [];
         }
 
+        // Drop data with no carbon intensity (may be returned by the provider)
         $response['results'] = array_filter($response['results'], function ($item) {
             return $item['taux_co2'] != 0;
         });
 
+        // Drop last rows until we reach
+        $safety_count = 0;
+        while (($last_item = end($response['results'])) !== null) {
+            $time = DateTime::createFromFormat(DateTimeInterface::ATOM, $last_item['date_heure']);
+            if ($time->format('i') === '45') {
+                // We expect 15 minutes steps
+                break;
+            }
+            array_pop($response['results']);
+            $safety_count++;
+            if ($safety_count > 3) {
+                break;
+            }
+        }
+
         return $this->formatOutput($response['results'], 15);
     }