Import source

Database.php

@@ -0,0 +1,69 @@
+<?php
+
+class Database {
+	private $time = 0;
+	private $file = '';
+	private $data = array();
+	function __construct(string $file) {
+		$this->time = time();
+		$this->file = $file;
+	}
+	function sort() : bool {
+		return usort($this->data, array($this, 'cmp'));
+	}
+	function load() : bool {
+		if ($json = file_get_contents($this->file)) {
+			if ($arr = json_decode($json, true)) {
+				foreach ($arr as $obj) {
+					array_push($this->data, new PatchObject($obj));
+				}
+				return true;
+			}
+		}
+		return false;
+	}
+	function save() : bool {
+		$arr = array();
+		foreach ($this->data as $obj) {
+			array_push($arr, $obj->toArray());
+		}
+		if ($json = json_encode($arr, JSON_PRETTY_PRINT)) {
+			if (file_put_contents($this->file, $json)) {
+				return true;
+			}
+		}
+		return false;
+	}
+	function time() : int {
+		return $this->time;
+	}
+	function count() : int {
+		return count($this->data);
+	}
+	function get(int $n) : PatchObject {
+		return $this->data[$n];
+	}
+	function find(string $id) : PatchObject {
+		foreach ($this->data as $obj) {
+			if (strcmp($obj->GetId(), $id) == 0) {
+				return $obj;
+			}
+		}
+		return new PatchObject();
+	}
+	function addOrUpdate(PatchObject $patch) {
+		$patch->SetTimestamp($this->time);
+		foreach ($this->data as &$obj) {
+			if (strcmp($obj->GetId(), $patch->GetId()) == 0) {
+				$obj = $patch;
+				return;
+			}
+		}
+		array_push($this->data, $patch);
+	}
+	private function cmp(PatchObject $a, PatchObject $b) : int {
+		return strcasecmp($a->getProduct(), $b->getProduct());
+	}
+}
+
+?>