From fc2791d738b37c4a4455856db9de8b032a1558a9 Mon Sep 17 00:00:00 2001
From: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Date: Mon, 29 Dec 2014 11:41:43 +0000
Subject: [PATCH] Added page moving functionality for admins

---
 core.php              | 42 ++++++++++++++++++++++++++++++++++++++-
 index.php             | 46 +++++++++++++++++++++++++++++++++++++++++--
 settings.fragment.php |  4 +++-
 3 files changed, 88 insertions(+), 4 deletions(-)

diff --git a/core.php b/core.php
index b11342a..4f1f68b 100644
--- a/core.php
+++ b/core.php
@@ -553,7 +553,47 @@ switch($_GET["action"])
 	 *                  %move%
 	 */
 	case "move":
-		exit(renderpage("Moving $page", "<p>Coming soon...</p>"));
+		if(!$isadmin)
+			exit(renderpage("Moving $page - Error", "<p>You tried to move $page, but you do not have permission to do that.</p>
+			<p>You should try <a href='index.php?action=login'>logging in</a> as an admin.</p>"));
+
+		if(!isset($_GET["new_name"]) or strlen($_GET["new_name"]) == 0)
+			exit(renderpage("Moving $page", "<h2>Moving $page</h2>
+			<form method='get' action='index.php'>
+				<input type='hidden' name='action' value='move' />
+				<label for='old_name'>Old Name:</label>
+				<input type='text' name='page' value='$page' readonly />
+				<br />
+				<label for='new_name'>New Name:</label>
+				<input type='text' name='new_name' />
+				<br />
+				<input type='submit' value='Move Page' />
+			</form>"));
+
+		$new_name = makepathsafe($_GET["new_name"]);
+
+		if(!isset($pageindex->$page))
+			exit(renderpage("Moving $page - Error", "<p>You tried to move $page to $new_name, but the page with the name $page does not exist in the first place.</p>
+			<p>Nothing has been changed.</p>"));
+
+		if($page == $new_name)
+			exit(renderpage("Moving $page - Error", "<p>You tried to move $page, but the new name you gave is the same as it's current name.</p>
+			<p>It is possible that you tried to use some characters in the new name that are not allowed and were removed.</p>
+			<p>Page names may only contain alphanumeric characters, dashes, and underscores.</p>"));
+
+		//move the page in the page index
+		$pageindex->$new_name = new stdClass();
+		foreach($pageindex->$page as $key => $value)
+		{
+			$pageindex->$new_name->$key = $value;
+		}
+		unset($pageindex->$page);
+		file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
+
+		//move the page on the disk
+		rename("$page.md", "$new_name.md");
+
+		exit(renderpage("Moving $page", "<p><a href='index.php?page=$page'>$page</a> has been moved to <a href='index.php?page=$new_name'>$new_name</a> successfully.</p>"));
 		break;
 
 	/*
diff --git a/index.php b/index.php
index 7685844..76ea895 100755
--- a/index.php
+++ b/index.php
@@ -67,6 +67,7 @@ $navlinks = [
 	[ "Printable", "index.php?action=view&printable=yes&page={page}" ],
 	" | ",
 	[ $admindisplaychar . "Delete", "index.php?action=delete&page={page}" ],
+	[ $admindisplaychar . "Move", "index.php?action=move&page={page}" ],
 	" | ",
 	[ "All Pages", "index.php?action=list" ],
 	" | ",
@@ -77,8 +78,9 @@ $navlinks = [
 //string of css to include
 //may be a url - urls will be referenced via a <link rel='stylesheet' /> tag
 $css = "body { font-family: sans-serif; color: #333333; background: #f3f3f3; }
+label { display: inline-block; min-width: 10rem; }
 textarea[name=content] { display: block; width: 100%; height: 35rem; }
-input[name=page] { width: 16rem; }
+/*input[name=page] { width: 16rem; }*/
 nav { position: absolute; top: 5px; right: 5px; }
 th { text-align: left; }
 .sitename { text-align: center; font-size: 2.5rem; color: #222222; }
@@ -666,7 +668,47 @@ switch($_GET["action"])
 	 *                  %move%
 	 */
 	case "move":
-		exit(renderpage("Moving $page", "<p>Coming soon...</p>"));
+		if(!$isadmin)
+			exit(renderpage("Moving $page - Error", "<p>You tried to move $page, but you do not have permission to do that.</p>
+			<p>You should try <a href='index.php?action=login'>logging in</a> as an admin.</p>"));
+
+		if(!isset($_GET["new_name"]) or strlen($_GET["new_name"]) == 0)
+			exit(renderpage("Moving $page", "<h2>Moving $page</h2>
+			<form method='get' action='index.php'>
+				<input type='hidden' name='action' value='move' />
+				<label for='old_name'>Old Name:</label>
+				<input type='text' name='page' value='$page' readonly />
+				<br />
+				<label for='new_name'>New Name:</label>
+				<input type='text' name='new_name' />
+				<br />
+				<input type='submit' value='Move Page' />
+			</form>"));
+
+		$new_name = makepathsafe($_GET["new_name"]);
+
+		if(!isset($pageindex->$page))
+			exit(renderpage("Moving $page - Error", "<p>You tried to move $page to $new_name, but the page with the name $page does not exist in the first place.</p>
+			<p>Nothing has been changed.</p>"));
+
+		if($page == $new_name)
+			exit(renderpage("Moving $page - Error", "<p>You tried to move $page, but the new name you gave is the same as it's current name.</p>
+			<p>It is possible that you tried to use some characters in the new name that are not allowed and were removed.</p>
+			<p>Page names may only contain alphanumeric characters, dashes, and underscores.</p>"));
+
+		//move the page in the page index
+		$pageindex->$new_name = new stdClass();
+		foreach($pageindex->$page as $key => $value)
+		{
+			$pageindex->$new_name->$key = $value;
+		}
+		unset($pageindex->$page);
+		file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
+
+		//move the page on the disk
+		rename("$page.md", "$new_name.md");
+
+		exit(renderpage("Moving $page", "<p><a href='index.php?page=$page'>$page</a> has been moved to <a href='index.php?page=$new_name'>$new_name</a> successfully.</p>"));
 		break;
 
 	/*
diff --git a/settings.fragment.php b/settings.fragment.php
index 6cb15ef..4054d13 100644
--- a/settings.fragment.php
+++ b/settings.fragment.php
@@ -64,6 +64,7 @@ $navlinks = [
 	[ "Printable", "index.php?action=view&printable=yes&page={page}" ],
 	" | ",
 	[ $admindisplaychar . "Delete", "index.php?action=delete&page={page}" ],
+	[ $admindisplaychar . "Move", "index.php?action=move&page={page}" ],
 	" | ",
 	[ "All Pages", "index.php?action=list" ],
 	" | ",
@@ -74,8 +75,9 @@ $navlinks = [
 //string of css to include
 //may be a url - urls will be referenced via a <link rel='stylesheet' /> tag
 $css = "body { font-family: sans-serif; color: #333333; background: #f3f3f3; }
+label { display: inline-block; min-width: 10rem; }
 textarea[name=content] { display: block; width: 100%; height: 35rem; }
-input[name=page] { width: 16rem; }
+/*input[name=page] { width: 16rem; }*/
 nav { position: absolute; top: 5px; right: 5px; }
 th { text-align: left; }
 .sitename { text-align: center; font-size: 2.5rem; color: #222222; }