Add query cache, show per echo stats on network page

app/Models/Domain.php

@@ -69,6 +69,21 @@ class Domain extends Model
 			->values();
 	}
 
+	public function daily_echoarea_stats(Echoarea $o): Collection
+	{
+		if (! $this->echoareas->count())
+			return collect();
+
+		$where = ['echoarea_id'=>[$o->id]];
+
+		$echostats = Echomail::countGroupBy(['datetime',['datetime'=>'%Y-%m-%d']],$where);
+
+		return $echostats
+			->sortBy(function($item) { return $item->id->datetime; })
+			->map(function($item) { return ['x'=>Carbon::createFromFormat('Y-m-d',$item->id->datetime)->timestamp*1000,'y'=>$item->count]; })
+			->values();
+	}
+
 	public function stats(System $o=NULL): Collection
 	{
 		if (! $this->echoareas->count())