Adding new [Scrub All Version History] button under [settings] (But keep your URL list)

backend/backend.py

@@ -117,6 +117,35 @@ def main_page():
     messages = []
     return output
 
+@app.route("/scrub", methods=['GET', 'POST'])
+def scrub_page():
+    from pathlib import Path
+
+    global messages
+
+    if request.method == 'POST':
+        confirmtext = request.form.get('confirmtext')
+
+        if confirmtext == 'scrub':
+
+            for txt_file_path in Path('/datastore').rglob('*.txt'):
+                os.unlink(txt_file_path)
+
+            for uuid, watch in datastore.data['watching'].items():
+                watch['last_checked'] = 0
+                watch['last_changed'] = 0
+                watch['previous_md5'] = None
+                watch['history'] = {}
+
+            datastore.needs_write = True
+            messages.append({'class': 'ok', 'message': 'Cleaned all version history.'})
+        else:
+            messages.append({'class': 'error', 'message': 'Wrong confirm text.'})
+
+        return redirect(url_for('main_page'))
+
+    return render_template("scrub.html")
+
 
 @app.route("/edit", methods=['GET', 'POST'])
 def edit_page():

backend/templates/scrub.html

@@ -0,0 +1,43 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<div class="edit-form">
+
+
+    <form class="pure-form pure-form-stacked" action="/scrub" method="POST">
+        <fieldset>
+            <div class="pure-control-group">
+                This will remove all version snapshots/data, but keep your list of URLs. <br/>
+                You may like to use the <strong>BACKUP</strong> link first.<br/>
+
+                Type in the word <strong>scrub</strong> to confirm that you understand!
+                <br/>
+
+            </div>
+
+            <div class="pure-control-group">
+                <br/>
+                <label for="confirmtext">Confirm</label><br/>
+                <input type="text" id="confirmtext" required="" name="confirmtext" value="" size="10"/>
+                <br/>
+
+
+            </div>
+
+
+            <div class="pure-control-group">
+                <button type="submit" class="pure-button pure-button-primary">Scrub!</button>
+            </div>
+            <br/>
+            <div class="pure-control-group">
+                <a href="/" class="pure-button button-small button-cancel">Cancel</a>
+            </div>
+
+
+        </fieldset>
+    </form>
+
+
+</div>
+
+{% endblock %}

backend/templates/settings.html

@@ -14,13 +14,15 @@
             </div>
 
 
+            <br/>
             <div class="pure-control-group">
                 <button type="submit" class="pure-button pure-button-primary">Save</button>
             </div>
             <br/>
 
             <div class="pure-control-group">
-                <a href="/" class="pure-button button-small button-cancel">Cancel</a>
+                <a href="/" class="pure-button button-small button-cancel">Back</a>
+                <a href="/scrub" class="pure-button button-small button-cancel">Reset all version data</a>
             </div>