Initial import

app/models/System.php

@@ -0,0 +1,23 @@
+<?php
+
+class System extends Model {
+	protected $table = "systems";
+
+    protected $_computed = [
+        "documents" => "get_documents",
+    ];
+
+	public function get_documents() {
+		$docs = SystemDoc::find([["system", "=", $this->id]])->all();
+		$dl = new Collection;
+		foreach ($docs as $d) {
+			$doc = new Document($d->document);
+			if ($doc) {
+				$dl->add($doc);
+			}
+		}
+		$dl->sort("title");
+		return $dl;
+	}
+
+}