juice.py

@@ -3,11 +3,10 @@
 A hub for controlling IOT devices.
 """
 import re
-import copy
 import json
 
 import requests
-from flask import Flask, render_template, request, abort, jsonify
+from flask import Flask, render_template, request, abort
 
 
 class RelayDevice:
@@ -55,14 +54,17 @@ class RelayDevice:
 		).groups()[0] == 'High'
 		sub_dev.state = state
 
-		return json.dumps({'ok': True, sub_dev_id: state})
+		return json.dumps({sub_dev_id: state})
 
 	def from_dict(self, data):
 		"""
 		Initializes self with data from JSON dict.
 		"""
-		for key, value in data.items():
-			setattr(self, key, value)
+		self.id = data['id']
+		self.description = data['description']
+		self.location = data['location']
+		self.ip_address = data['ip_address']
+		self.sub_devices = {}
 		for sub_dev_type, sub_devs in data['sub_devices'].items():
 			if sub_dev_type == 'RelayOutlet':
 				self.sub_devices[sub_dev_type] = []
@@ -88,24 +90,18 @@ class RelayOutlet:
 		"""
 		Initializes self with data from JSON dict.
 		"""
-		for key, value in data.items():
-			setattr(self, key, value)
+		self.id = data['id']
+		self.description = data['description']
+		self.gpio = data['gpio']
+		self.state = data['state']
 		return self
 
 
-class DeviceEncoder(json.JSONEncoder):
-	"""
-	A custom json encoder for dumping devices to file.
-	"""
-	def default(self, o):
-		return vars(o)
-
-
-def init_network(filepath="devices.json"):
+def init_network():
 	"""
 	Initializes the network of IOT devices.
 	"""
-	with open(filepath, 'r') as file:
+	with open("devices.json", 'r') as file:
 		data = file.read()
 	data = json.loads(data)
 	network = {}
@@ -120,14 +116,6 @@ def init_network(filepath="devices.json"):
 	return network
 
 
-def save_network(filepath="devices.json"):
-	"""
-	Dumps the network to file.
-	"""
-	with open(filepath, 'w') as file:
-		file.write(json.dumps(network, cls=DeviceEncoder, indent='\t'))
-
-
 app = Flask(__name__)
 network = init_network()
 
@@ -151,60 +139,10 @@ def toggle():
 		if device.id == device_id:
 			break
 	else:
-		return make_error(404, "device_id not found")
+		abort(404)
 	res = device.toggle(sub_dev_id)
 	if not res:
-		return make_error(404, "sub_dev_id not found")
-	save_network()
-	return res
-
-@app.route('/edit')
-def edit():
-	"""
-	Edits the text of a particular field.
-	"""
-	device_id = request.args.get('device_id')
-	sub_dev_id = request.args.get('sub_dev_id')
-	field = request.args.get('field')
-	value = request.args.get('value')
-
-	for device in sum(network.values(), []):
-		if device.id == device_id:
-			break
-	else:
-		return make_error(404, "device_id not found")
-
-	if sub_dev_id:
-		for sub_dev in sum(device.sub_devices.values(), []):
-			if sub_dev.id == sub_dev_id:
-				break
-		else:
-			return make_error(404, "sub_dev_id not found")
-		if hasattr(sub_dev, field):
-			setattr(sub_dev, field, value)
-		else:
-			return make_error(404, "sub_device field not found")
-	else:
-		if hasattr(device, field):
-			setattr(device, field, value)
-		else:
-			return make_error(404, "device field not found")
-
-	data = {
-		'ok': True,
-		'field': field,
-		'value': value
-	}
-	save_network()
-	return json.dumps(data)
-
-
-def make_error(code, message):
-	"""
-	Returns a JSON error.
-	"""
-	res = jsonify(ok=False, status=code, message=message)
-	res.status_code = code
+		abort(404)
 	return res
 
 

static/juice.css

@@ -2,26 +2,15 @@ body {
 	padding: 5%;
 	display: flex;
 	justify-content: center;
-	font-family: Helvetica,sans-serif;
-	background-color: lightblue;
 }
 
 .device {
-	border: 2px solid darkgray;
-	border-radius: 0.5em;
-	padding: 3em;
-	margin: 3em;
+	border: 1px solid #ccc;
+	padding: 3%;
+	margin: 3%;
 	display: flex;
 	flex-direction: column;
 	align-items: center;
-	background-color: whitesmoke;
-}
-
-
-.ip_address {
-	font-size: 0.8em;
-	color: darkgray;
-	margin: 0.2em;
 }
 
 .sub_devices {
@@ -29,8 +18,7 @@ body {
 }
 
 .sub_device {
-	border: 2px solid darkgray;
-	border-radius: 0.5em;
+	border: 1px solid #ccc;
 	padding: 1em;
 	margin: 1em;
 	display: flex;
@@ -54,19 +42,3 @@ path {
 .off {
 	stroke: black;
 }
-
-@font-face {
-	font-family: FontAwesome;
-	src: url("/static/fontawesome-webfont.woff2");
-}
-
-.edit, .save {
-	font-family: FontAwesome;
-	font-size: 0.8em;
-	color: dimgrey;
-}
-
-.edit:hover, .save:hover {
-	color: red;
-	cursor: pointer;
-}

static/juice.js

@@ -9,10 +9,10 @@ function toggle_outlet(svg) {
 		.join('&');
 	fetch(window.location.href + 'toggle?' + query)
 	.then(function(response) {
+		if (!response.ok) { throw new Error('HTTP error, status = ' + response.status); }
 		return response.json();
 	})
 	.then(function(json) {
-		if (!json.ok) { throw new Error('HTTP error, status = ' + json.status + ', message = ' + json.message); }
 		if (json[sub_dev.id]) {
 			svg.classList.remove('off');
 			svg.classList.add('on');
@@ -22,55 +22,3 @@ function toggle_outlet(svg) {
 		}
 	});
 }
-
-function edit_field(field) {
-	let value = field.firstElementChild.innerText;
-	let input = document.createElement('input');
-	input.value = value;
-	field.firstElementChild.replaceWith(input);
-
-	let save = document.createElement('span');
-	save.innerHTML = '';
-	save.className = 'save';
-	save.setAttribute('onclick', 'save_field(this.parentElement)');
-	field.children[1].replaceWith(save);
-}
-
-function save_field(field) {
-	let value = field.firstElementChild.value;
-	let device_id = field.parentElement.id;
-	let sub_dev_id;
-	if (field.parentElement.className.includes('sub_device')) {
-		sub_dev_id = device_id;
-		device_id = field.parentElement.parentElement.parentElement.id;
-	} else {
-		sub_dev_id = '';
-	}
-	let params = {
-		device_id: device_id,
-		sub_dev_id: sub_dev_id,
-		field: field.className,
-		value: value
-	};
-	let query = Object.keys(params)
-		.map(k => encodeURIComponent(k) + '=' + encodeURIComponent(params[k]))
-		.join('&');
-
-	fetch(window.location.href + 'edit?' + query)
-	.then(function(response) {
-		return response.json();
-	})
-	.then(function(json) {
-		if (!json.ok) { throw new Error('HTTP error, status = ' + json.status + ', message = ' + json.message); }
-		let span = document.createElement('span');
-		span.innerText = json['value'];
-		span.className = 'field_value';
-		field.firstElementChild.replaceWith(span);
-
-		let edit = document.createElement('span');
-		edit.innerHTML = '';
-		edit.className = 'edit';
-		edit.setAttribute('onclick', 'edit_field(this.parentElement)');
-		field.children[1].replaceWith(edit);
-	});
-}

templates/index.html

@@ -10,9 +10,9 @@
 	{% for device in devices %}
 	<div class="device {{ dev_type }}" id="{{ device.id }}">
 		<div class="id">{{ device.id }}</div>
-		<div class="description"><span class="field_value">{{ device.description }}</span> <span class="edit" onclick="edit_field(this.parentElement)">&#xe800;</span></div>
-		<div class="location"><span class="field_value">{{ device.location }}</span> <span class="edit" onclick="edit_field(this.parentElement)">&#xe800;</span></div>
-		<div class="ip_address"><i>{{ device.ip_address }}</i></div>
+		<div class="description">{{ device.description }}</div>
+		<div class="location">{{ device.location }}</div>
+		<div class="ip_address">{{ device.ip_address }}</div>
 		<div class="sub_devices">
 			{% for sub_dev_type, sub_devs in device.sub_devices.items() %}
 			{% for sub_dev in sub_devs %}
@@ -24,7 +24,7 @@
 					<path fill="none" d="M 43, 75 A 1 1 0 0 1 57,75 L 57,84 L 43,84 Z" />
 					<path fill="white" fill-opacity="0.0" d="M 23,10 L 77,10 A 50 49 0 0 1 77,91 L 23,91 A 50 49 0 0 1 23,10 Z" onclick="toggle_outlet(this.parentElement)" />
 				</svg>
-				<div class="description"><span class="field_value">{{ sub_dev.description }}</span> <span class="edit" onclick="edit_field(this.parentElement)">&#xe800;</span></div>
+				<div class="description">{{ sub_dev.description }}</div>
 			</div>
 			{% endfor %}
 			{% endfor %}