Add function to make sure parent pages exist. Fixes #12

core.php

@@ -94,9 +94,44 @@ function get_subpages($pageindex, $pagename)
 		}
 	}
 	
+	unset($pagenames);
 	return $result;
 }
 
+/*
+ * @summary Makes sure that a subpage's parents exist. Note this doesn't check the pagename itself.
+ * 
+ * @param The pagename to check.
+ * 
+ */
+function check_subpage_parents($pagename)
+{
+	global $pageindex;
+	// Save the new pageindex and return if there aren't any more parent pages to check
+	if(strpos($pagename, "/") === false)
+	{
+		file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
+		return;
+	}
+	
+	$parent_pagename = substr($pagename, 0, strrpos($pagename, "/"));
+	$parent_page_filename = "$parent_pagename.md";
+	if(!file_exists($parent_page_filename))
+	{
+		// This parent page doesn't exist! Create it and add it to the page index.
+		touch($parent_page_filename, 0);
+		
+		$newentry = new stdClass();
+		$newentry->filename = $parent_page_filename;
+		$newentry->size = 0;
+		$newentry->lastmodified = 0;
+		$newentry->lasteditor = "none";
+		$pageindex->$parent_pagename = $newentry;
+	}
+	
+	check_subpage_parents($parent_pagename);
+}
+
 if(!file_exists("./pageindex.json"))
 {
 	// From http://in.php.net/manual/en/function.glob.php#106595
@@ -125,7 +160,7 @@ if(!file_exists("./pageindex.json"))
 		$newentry->filename = utf8_encode($pagefilename); // Store the filename
 		$newentry->size = filesize($pagefilename); // Store the page size
 		$newentry->lastmodified = filemtime($pagefilename); // Store the date last modified
-		// Todo find a way to keep the last editor independent to the page index
+		// Todo find a way to keep the last editor independent of the page index
 		$newentry->lasteditor = utf8_encode("unknown"); // Set the editor to "unknown"
 		// Extract the name of the (sub)page without the ".md"
 		$pagekey = utf8_encode(substr($pagefilename, 0, -3));

index.php

@@ -248,9 +248,44 @@ function get_subpages($pageindex, $pagename)
 		}
 	}
 	
+	unset($pagenames);
 	return $result;
 }
 
+/*
+ * @summary Makes sure that a subpage's parents exist. Note this doesn't check the pagename itself.
+ * 
+ * @param The pagename to check.
+ * 
+ */
+function check_subpage_parents($pagename)
+{
+	global $pageindex;
+	// Save the new pageindex and return if there aren't any more parent pages to check
+	if(strpos($pagename, "/") === false)
+	{
+		file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
+		return;
+	}
+	
+	$parent_pagename = substr($pagename, 0, strrpos($pagename, "/"));
+	$parent_page_filename = "$parent_pagename.md";
+	if(!file_exists($parent_page_filename))
+	{
+		// This parent page doesn't exist! Create it and add it to the page index.
+		touch($parent_page_filename, 0);
+		
+		$newentry = new stdClass();
+		$newentry->filename = $parent_page_filename;
+		$newentry->size = 0;
+		$newentry->lastmodified = 0;
+		$newentry->lasteditor = "none";
+		$pageindex->$parent_pagename = $newentry;
+	}
+	
+	check_subpage_parents($parent_pagename);
+}
+
 if(!file_exists("./pageindex.json"))
 {
 	// From http://in.php.net/manual/en/function.glob.php#106595
@@ -279,7 +314,7 @@ if(!file_exists("./pageindex.json"))
 		$newentry->filename = utf8_encode($pagefilename); // Store the filename
 		$newentry->size = filesize($pagefilename); // Store the page size
 		$newentry->lastmodified = filemtime($pagefilename); // Store the date last modified
-		// Todo find a way to keep the last editor independent to the page index
+		// Todo find a way to keep the last editor independent of the page index
 		$newentry->lasteditor = utf8_encode("unknown"); // Set the editor to "unknown"
 		// Extract the name of the (sub)page without the ".md"
 		$pagekey = utf8_encode(substr($pagefilename, 0, -3));
@@ -713,7 +748,7 @@ register_module([
 
 register_module([
 	"name" => "Page editor",
-	"version" => "0.7",
+	"version" => "0.8",
 	"author" => "Starbeamrainbowlabs",
 	"description" => "Allows you to edit pages by adding the edit and save actions. You should probably include this one.",
 	"id" => "page-edit",
@@ -809,8 +844,12 @@ register_module([
 				mkdir(dirname("$page.md"), null, true);
 			}
 			
+			
 			if(file_put_contents("$page.md", htmlentities($_POST["content"]), ENT_QUOTES) !== false)
 			{
+				// Make sure that this page's parents exist
+				check_subpage_parents($page);
+				
 				//update the page index
 				if(!isset($pageindex->$page))
 				{

module_index.json

@@ -25,11 +25,11 @@
     },
     {
         "name": "Page editor",
-        "version": "0.7",
+        "version": "0.8",
         "author": "Starbeamrainbowlabs",
         "description": "Allows you to edit pages by adding the edit and save actions. You should probably include this one.",
         "id": "page-edit",
-        "lastupdate": 1436797664
+        "lastupdate": 1436885187
     },
     {
         "name": "Help page",

modules/page-edit.php

@@ -1,7 +1,7 @@
 <?php
 register_module([
 	"name" => "Page editor",
-	"version" => "0.7",
+	"version" => "0.8",
 	"author" => "Starbeamrainbowlabs",
 	"description" => "Allows you to edit pages by adding the edit and save actions. You should probably include this one.",
 	"id" => "page-edit",
@@ -97,8 +97,12 @@ register_module([
 				mkdir(dirname("$page.md"), null, true);
 			}
 			
+			
 			if(file_put_contents("$page.md", htmlentities($_POST["content"]), ENT_QUOTES) !== false)
 			{
+				// Make sure that this page's parents exist
+				check_subpage_parents($page);
+				
 				//update the page index
 				if(!isset($pageindex->$page))
 				{

testcheck.php

@@ -0,0 +1,34 @@
+<?php
+$pageindex = json_decode(file_get_contents("./pageindex.json"));
+
+function check_subpage_parents($pagename)
+{
+	global $pageindex;
+	echo("pagename: $pagename\n");
+	// Save the new pageindex and return if there aren't any more parent pages to check
+	if(strpos($pagename, "/") === false)
+	{
+		file_put_contents("./pageindex.json", json_encode($pageindex, JSON_PRETTY_PRINT));
+		return;
+	}
+	
+	$parent_pagename = substr($pagename, 0, strrpos($pagename, "/"));
+	$parent_page_filename = "$parent_pagename.md";
+	echo("parent page name: $parent_pagename, filename: $parent_page_filename\n");
+	if(!file_exists($parent_page_filename))
+	{
+		// This parent page doesn't exist! Create it and add it to the page index.
+		touch($parent_page_filename, 0);
+		
+		$newentry = new stdClass();
+		$newentry->filename = $parent_page_filename;
+		$newentry->size = 0;
+		$newentry->lastmodified = 0;
+		$newentry->lasteditor = "none";
+		
+	}
+	
+	check_subpage_parents($parent_pagename);
+}
+
+check_subpage_parents("New Test\/New");