Added system lock feature

.gitignore

@@ -7,4 +7,4 @@ history.json
 *.pyc
 tags
 client_secret.json
-
+locked_till.txt

cardlistener.py

@@ -56,18 +56,23 @@ if __name__ == '__main__':
             with open('cards/' + cardID + '.json') as card_data:
                 data = json.load(card_data)
                 event["name"] = data['name']
-                if data['secretTools']:
+                locked = False
+                with open('locked_till.txt', 'rb') as f:
+                    txt = f.read()
+                    t = float(txt)
+                    locked = time.time() < t
+                if data['secretTools'] and not locked:
                     GPIO.output(pin_config['tools_grn_LED'], GPIO.HIGH)
                 else:
                     GPIO.output(pin_config['tools_red_LED'], GPIO.HIGH)
-                if data['fridge']:
+                if data['fridge'] and not locked:
                     GPIO.output(pin_config['fridge_grn_LED'], GPIO.HIGH)
                 else:
                     GPIO.output(pin_config['fridge_red_LED'], GPIO.HIGH)
                 timeout = time.time() + 5 # 5 seconds timeout
                 wait = True
                 while wait:
-                    if data['secretTools'] and GPIO.input(pin_config['tools_btn']) == 0:
+                    if data['secretTools'] and GPIO.input(pin_config['tools_btn']) == 0 and not locked:
                         GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['fridge_red_LED'], GPIO.LOW)
@@ -76,7 +81,7 @@ if __name__ == '__main__':
                         wait = False
                         # Open tools
                         subprocess.call("/home/pi/ELAB-RFID-I2C/RPi/i2c_challenge 0x30", shell=True)
-                    if data['fridge'] and GPIO.input(pin_config['fridge_btn']) == 0:
+                    if data['fridge'] and GPIO.input(pin_config['fridge_btn']) == 0 and not locked:
                         GPIO.output(pin_config['fridge_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['tools_grn_LED'], GPIO.LOW)
                         GPIO.output(pin_config['fridge_red_LED'], GPIO.LOW)

server.py

@@ -37,6 +37,20 @@ def help():
 def status():
 	return render_template('status.html')
 
+@app.route('/lock-fridge/<duration>')
+@requires_auth
+def lock_fridge(duration):
+	with open('locked_till.txt', 'wb') as f:
+		f.write(str(time.time() + float(duration) * 3600))
+	return '{"success":true}'
+
+@app.route('/unlock-fridge')
+@requires_auth
+def unlock_fridge():
+	with open('locked_till.txt', 'wb') as f:
+		f.write('0')
+	return '{"success":true}'
+
 @app.route('/open/<what>')
 @requires_auth
 def users(what):

static/script.js

@@ -133,3 +133,12 @@ $(document).ready(function() {
 		$('.event-wrapper').replaceWith(newHistory);
 	});
 })
+
+function lock_fridge() {
+	var period = parseFloat($('#period').val())
+	if (isNaN(period))
+		return;
+	$.getJSON('http://130.237.3.207/lock-fridge/' + period, function(data) {
+
+	});
+}

static/style.css

@@ -165,6 +165,18 @@ input[type=text].search-bar {
 	width: 75%;
 }
 
+input[type=text].duration-input {
+	width: 25%;
+	margin-left: 15pt;
+}
+
+.disable-lock {
+	display: inline-block;
+	border-radius: 3pt;
+	background-color: #226666;
+	margin: 5pt 30pt 5pt 30pt;
+}
+
 .button {
 	background-color: #013A3A;
 	color: #5E9292;

templates/status.html

@@ -24,6 +24,11 @@
 		<a href="/open/fridge"><div class="big-button">Open fridge</div></a>
 		<br>
 		<a href="/open/tools"><div class="big-button">Open tools</div></a>
+		<br>
+		<div class="disable-lock">
+			<a href="#"><div class="big-button" onclick="lock_fridge()">Lock</div></a>
+			<input type="text" name="period" placeholder="Duration (h)" id="period" class="duration-input">
+		</div>
 	</div>
 	<div class="shadow" onclick="overlay_out()"></div>
 	<div class="overlay">