1 files changed, 82 insertions, 0 deletions
diff --git a/api/fronter.php b/api/fronter.php
new file mode 100644
index 0000000..44c2c76
--- /dev/null
+++ b/api/fronter.php
@@ -0,0 +1,82 @@
+<?php
+
+require_once $_SERVER['DOCUMENT_ROOT'] . "/includes/session.php"; global $isLoggedIn;
+if (!$isLoggedIn) header("Location: /login") and die();
+
+$system = $_GET['s'] ?? null;
+$member = $_GET['m'] ?? null;
+$index = (int)$_GET['i'] ?? null;
+$type = $_GET['t'] ?? null;
+$date = $_GET['d'] ?? null;
+
+if (!isset($system) || trim($system) === "" || strlen($system) !== 5 || !preg_match("/[a-z]/i", $system) || ($system !== "gdapd" && $system !== "ynmuc"))
+    header("Location: /?error=System not found") and die();
+
+if (!isset($type) || trim($type) === "")
+    header("Location: /?error=Type not found") and die();
+
+if (!isset($date) || trim($date) === "" || strlen($date) !== 10 || !preg_match("/[\d-]/i", $date))
+    header("Location: /?error=Date not found") and die();
+
+$list = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system-planner.json"), true);
+
+function moveElement(&$array, $a, $b) {
+    $out = array_splice($array, $a, 1);
+    array_splice($array, $b, 0, $out);
+}
+
+switch ($type) {
+    case "add":
+        if (!isset($member) || trim($member) === "" || strlen($member) !== 5 || !preg_match("/[a-z]/i", $member))
+            if ($member !== null && $member !== "null") header("Location: /?error=System member not found") and die();
+
+        if (!isset($list[$date])) $list[$date] = [];
+        $list[$date][] = $member;
+        break;
+
+    case "delete":
+        if (!isset($index) || trim($index) === "" || is_integer($index))
+            if ($index !== null && $index !== "null") header("Location: /?error=Invalid index") and die();
+
+        $day = $list[$date];
+
+        if (!isset($day[$index]))
+            if ($index !== null && $index !== "null") header("Location: /?error=Index not found") and die();
+
+        unset($day[$index]);
+        $list[$date] = array_values($day);
+
+        break;
+
+    case "down":
+        if (!isset($index) || trim($index) === "" || is_integer($index))
+            if ($index !== null && $index !== "null") header("Location: /?error=Invalid index") and die();
+
+        if (!isset($day[$index]))
+            if ($index !== null && $index !== "null") header("Location: /?error=Index not found") and die();
+
+        $day = $list[$date];
+        moveElement($list[$date], $index, $index + 1 < count($list[$date]) ? $index + 1 : $index);
+
+        break;
+
+    case "up":
+        if (!isset($index) || trim($index) === "" || is_integer($index))
+            if ($index !== null && $index !== "null") header("Location: /?error=Invalid index") and die();
+
+        if (!isset($day[$index]))
+            if ($index !== null && $index !== "null") header("Location: /?error=Index not found") and die();
+
+        $day = $list[$date];
+        moveElement($list[$date], $index, $index - 1 > -1 ? $index - 1 : $index);
+
+        break;
+
+    default:
+        header("Location: /?error=Invalid type name") and die();
+        break;
+}
+
+file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system-planner.json", json_encode($list));
+
+die();
+\ No newline at end of file