1 files changed, 124 insertions, 0 deletions
diff --git a/includes/system/subsystem.php b/includes/system/subsystem.php
new file mode 100644
index 0000000..5d28cba
--- /dev/null
+++ b/includes/system/subsystem.php
@@ -0,0 +1,124 @@
+<?php global $system; global $systemCommonName; global $parts; global $systemID;
+
+$members = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$systemID-members.json"), true);
+
+$subsystemID = $parts[3];
+
+$subsystems = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$systemID-subsystems.json"), true) ?? [];
+
+function getMember(string $id) {
+    global $systemID;
+    global $members;
+
+    $member = null;
+
+    foreach ($members as $m) {
+        if ($m["id"] === $id) $member = $m;
+    }
+
+    return $member;
+}
+
+function memberHasSubsystem(array $member) {
+    global $subsystems;
+    $has = false;
+
+    foreach ($subsystems as $subsystem) {
+        if ($subsystem["source_type"] === "member" && $subsystem["source"] === $member["id"]) {
+            $has = true;
+        }
+    }
+
+    return $has;
+}
+
+function memberPartOfSubsystem(array $member) {
+    global $subsystems;
+    $is = false;
+
+    foreach ($subsystems as $subsystem) {
+        if (in_array($member["id"], $subsystem["members"])) {
+            $is = true;
+        }
+    }
+
+    return $is;
+}
+
+function getMemberSubsystem(array $member) {
+    global $subsystems;
+    $subsystem = null;
+
+    foreach ($subsystems as $ss) {
+        if ($ss["source_type"] === "member" && $ss["source"] === $member["id"]) {
+            $subsystem = $ss;
+        }
+    }
+
+    return $subsystem;
+}
+
+function getSubsystemByID(string $id) {
+    global $subsystems;
+    $subsystem = null;
+
+    foreach ($subsystems as $ss) {
+        if ($ss["source"] === $id) {
+            $subsystem = $ss;
+        }
+    }
+
+    return $subsystem;
+}
+
+function timeAgo($time): string {
+    if (!is_numeric($time)) {
+        $time = strtotime($time);
+    }
+
+    $periods = ["second", "minute", "hour", "day", "week", "month", "year", "age"];
+    $lengths = array("60", "60", "24", "7", "4.35", "12", "100");
+
+    $now = time();
+
+    $difference = $now - $time;
+    if ($difference <= 10 && $difference >= 0) {
+        return $tense = "now";
+    } elseif ($difference > 0) {
+        $tense = "ago";
+    } else {
+        $tense = "later";
+    }
+
+    for ($j = 0; $difference >= $lengths[$j] && $j < count($lengths)-1; $j++) {
+        $difference /= $lengths[$j];
+    }
+
+    $difference = round($difference);
+
+    $period =  $periods[$j] . ($difference >1 ? "s" :'');
+    return "{$difference} {$period} {$tense} ";
+}
+
+if (getSubsystemByID($subsystemID) === null) header("Location: /?error=Invalid subsystem ID") and die();
+$subsystemData = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$systemID-subsystem-$subsystemID.json"), true);
+
+$title = $subsystemData["name"] . " · " . $systemCommonName; require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+
+?>
+
+    <br>
+    <div class="container">
+        <?php require_once $_SERVER['DOCUMENT_ROOT'] . "/includes/subsysbanner.php"; ?>
+        <br>
+
+        <div id="page-content">
+            <?php global $isLoggedIn; if ($isLoggedIn): ?>
+                <small style="opacity:.5;display:block;">(<a href="/edit/<?= $system ?>/<?= $subsystemID ?>">edit</a>)</small>
+            <?php endif; ?>
+            <?= file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$systemID-subsystem-$subsystemID.html") ?>
+        </div>
+        <?php showSubsystem(getSubsystemByID($subsystemID), $systemID); ?>
+    </div>
+
+<?php require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/footer.php'; ?>
+\ No newline at end of file