[locationinfo] Add panel query API, add option to mark panels as public

This adds the option to query a JSON of all available info panels.
In addition, info panels can be marked as public/private, and only
public panels will be returned in the JSON.

1 files changed, 24 insertions, 0 deletions

diff --git a/modules-available/locationinfo/api.inc.php b/modules-available/locationinfo/api.inc.php
index 1a3bd76e..cd2ffd5a 100644
--- a/modules-available/locationinfo/api.inc.php
+++ b/modules-available/locationinfo/api.inc.php
@@ -42,6 +42,8 @@ function HandleParameters()
 		$output = LocationInfo::getCalendar($locationIds, time() + 3);
 	} elseif ($get === "manifest") {
 		$output = generateManifest($uuid);
+	} elseif ($get === 'list') {
+		$output = generatePublicPanelList();
 	}
 	if ($output !== null) {
 		Header('Content-Type: application/json; charset=utf-8');
@@ -170,4 +172,26 @@ function generateManifest(string $uuid): array
 		];
 	}
 	return $data;
+}
+
+function generatePublicPanelList(): array
+{
+	$base = Util::shouldRedirectDomain();
+	if ($base !== null) {
+		$base = 'https://' . $base;
+	} else {
+		$base = ($_SERVER['HTTPS'] ? 'https' : 'http') . '://' . $_SERVER['HTTP_HOST'];
+	}
+	$result = [
+		'server_name' => 'To be filled by O.E.M.',
+		'panels' => [],
+	];
+	$res = Database::simpleQuery("SELECT paneluuid, panelname FROM locationinfo_panel WHERE ispublic = 1");
+	foreach ($res as $row) {
+		$result['panels'][] = [
+			'title' => $row['panelname'],
+			'url' => $base . '/panel/' . $row['paneluuid'],
+		];
+	}
+	return $result;
 }
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