diff --git a/community/__init__.py b/community/__init__.py
index 95d1338e..43b477a7 100644
--- a/community/__init__.py
+++ b/community/__init__.py
@@ -3,3 +3,5 @@ from __future__ import unicode_literals
 
 __version__ = '0.0.1'
 
+# load the methods from the lms api
+from .lms import api # noqa
diff --git a/community/hooks.py b/community/hooks.py
index c7d5210e..048b98b5 100644
--- a/community/hooks.py
+++ b/community/hooks.py
@@ -127,14 +127,9 @@ scheduler_events = {
 #
 # auto_cancel_exempted_doctypes = ["Auto Repeat"]
 
-from .routing import install_regex_converter
-install_regex_converter()
-
 # Add all simple route rules here
 primary_rules = [
-    {"from_route": "/sketches", "to_route": "sketches"},
     {"from_route": "/sketches/<sketch>", "to_route": "sketches/sketch"},
-    {"from_route": "/courses", "to_route": "courses"},
     {"from_route": "/courses/<course>", "to_route": "courses/course"},
     {"from_route": "/courses/<course>/<topic>", "to_route": "courses/topic"},
     {"from_route": "/hackathons", "to_route": "hackathons"},
@@ -147,13 +142,18 @@ whitelist = [
     "/login",
     "/update-password",
     "/update-profile",
-    "/third-party-apps"
+    "/third-party-apps",
+    "/website_script.js",
+    "/courses",
+    "/sketches",
+    "/admin",
+    "/socket.io",
 ]
 whitelist_rules = [{"from_route": p, "to_route": p[1:]} for p in whitelist]
 
 # regex rule to match all profiles
 profile_rules = [
-    {"from_route": "/<regex('[a-z0-9-]{5,}'):username>", "to_route": "profiles/profile"},
+    {"from_route": "/<string(minlength=5):username>", "to_route": "profiles/profile"},
 ]
 
 website_route_rules = primary_rules + whitelist_rules + profile_rules
diff --git a/community/lms/api.py b/community/lms/api.py
new file mode 100644
index 00000000..ab69ede4
--- /dev/null
+++ b/community/lms/api.py
@@ -0,0 +1,23 @@
+"""API methods for the LMS.
+"""
+
+import frappe
+
+@frappe.whitelist()
+def autosave_section(section, code):
+    """Saves the code edited in one of the sections.
+    """
+    doc = frappe.get_doc(
+        doctype="Code Revision",
+        section=section,
+        code=code,
+        author=frappe.session.user)
+    doc.insert()
+    return {"name": doc.name}
+
+@frappe.whitelist()
+def get_section(name):
+    """Saves the code edited in one of the sections.
+    """
+    doc = frappe.get_doc("LMS Section", name)
+    return doc and doc.as_dict()
diff --git a/community/lms/doctype/lms_section/lms_section.py b/community/lms/doctype/lms_section/lms_section.py
index ad40ece6..f51fec69 100644
--- a/community/lms/doctype/lms_section/lms_section.py
+++ b/community/lms/doctype/lms_section/lms_section.py
@@ -3,9 +3,27 @@
 # For license information, please see license.txt
 
 from __future__ import unicode_literals
-# import frappe
+import frappe
 from frappe.model.document import Document
 
 class LMSSection(Document):
     def __repr__(self):
         return f"<LMSSection {self.label!r}>"
+
+    def get_latest_code_for_user(self):
+        """Returns the latest code for the logged in user.
+        """
+        if not frappe.session.user or frappe.session.user == "Guest":
+            return self.contents
+        result = frappe.get_all('Code Revision',
+            fields=["code"],
+            filters={
+                "author": frappe.session.user,
+                "section": self.name
+            },
+            order_by="creation desc",
+            page_length=1)
+        if result:
+            return result[0]['code']
+        else:
+            return self.contents
diff --git a/community/www/courses/topic.html b/community/www/courses/topic.html
index 67df39dc..bf23c6d2 100644
--- a/community/www/courses/topic.html
+++ b/community/www/courses/topic.html
@@ -44,7 +44,7 @@
   {% if s.type == "text" %}
     {{ render_section_text(s) }}
   {% elif s.type == "example" or s.type == "code" %}
-    {{ LiveCodeEditor(s.name, s.contents) }}
+    {{ LiveCodeEditor(s.name, s.get_latest_code_for_user()) }}
   {% else %}
     <div>Unknown section type: {{s.type}}</div>
   {% endif %}
@@ -63,11 +63,40 @@
   <script type="text/javascript" src="{{ livecode_url }}/static/livecode.js"></script>
   <script type="text/javascript">
     $(function() {
+      var editorLookup = {};
+
       $(".canvas-editor").each((i, e) => {
+        var data = $(e).data();
         var editor = new LiveCodeEditor(e, {
           runtime: "python-canvas",
           base_url: "{{ livecode_url }}",
-          codemirror: true
+          codemirror: true,
+          userdata: data,
+          autosave: function(editor, code) {
+            var data = editor.options.userdata;
+            var code = editor.codemirror.doc.getValue();
+            // console.log("autosaving...")
+            frappe.call("community.lms.api.autosave_section", {
+              section: data.section,
+              code: code
+            }).then((r) => {
+              // TODO: verify
+            })
+          }
+        })
+        editorLookup[data.section] = editor;
+      })
+
+      $(".canvas-editor .reset").each((i, e) => {
+        $(e).on("click", function(event) {
+          var data = $(this).parents(".canvas-editor").data();
+          var section = data.section;
+          frappe.call("community.lms.api.get_section", {
+            name: section
+          }).then(r => {
+            var editor = editorLookup[data.section];
+            editor.codemirror.doc.setValue(r.message.contents);
+          })
         })
       })
     })
diff --git a/community/www/macros/livecode.html b/community/www/macros/livecode.html
index 6336023c..763b1b54 100644
--- a/community/www/macros/livecode.html
+++ b/community/www/macros/livecode.html
@@ -21,7 +21,8 @@
 {% endmacro %}
 
 {% macro LiveCodeEditor(name, code) %}
-<div class="livecode-editor canvas-editor" id="editor-{{name}}">
+<div class="livecode-editor canvas-editor" id="editor-{{name}}"
+    data-section="{{name}}">
   <div class="row">
     <div class="col-md-9">
     <div>