server.py

# Group: YouMedtBro (#25)
# Students: Don, Maarten, Youri, Murtaza, Idriss

from flask import Flask, render_template, request, json	# Flask Webserver (http://flask.pocoo.org/docs/0.10/quickstart/)
from Hwctrl import Hwctrl	# Hardware control class
import RPi.GPIO as GPIO

hwctrl = Hwctrl() # New instance of hardware control class

# Create a new Flask App
app = Flask(__name__)

@app.route("/")
@app.route("/index.htm")
def index():

	if hwctrl.animationActive:
		icon = 'fa-stop'
		id = 'auto_off'
		animation = True
	else:
		icon = 'fa-play'
		id = 'auto_on'
		animation = False

	return render_template('index.html', icon=icon, id=id, animation=animation)

# Reboot
@app.route('/reboot.htm')
def hw_reboot():
	if hwctrl.reboot():
		return json.dumps({'success': True, 'message': 'De Raspberry Pi gaat rebooten.'})
	else:
		return json.dumps({'success': False, 'message': 'Oeps! Er is iets fout gegaan...'})

# Shutdown
@app.route('/shutdown.htm')
def hw_shutdown():
	if hwctrl.shutdown():
		return json.dumps({'success': True, 'message': 'De Rasberry Pi gaat uit.'})
	else:
		return json.dumps({'success': False, 'message': 'Oeps! Er is iets fout gegaan...'})

# Return X-position
@app.route('/ypos.htm')
def returnYpos():
	return str(hwctrl.getYpos())

# Return Y-position
@app.route('/xpos.htm')
def returnXpos():
	return str(hwctrl.getXpos())

# Move UP
@app.route('/up.htm')
def moveUp():
	try:
		s = int(request.args.get('steps'))
	except:
		s = 1

	if s == 1:
		word = 'stap'
	else:
		word = 'stappen'

	if hwctrl.move(True,s,False):
		return json.dumps({'success': True, 'message': 'Het balletje is ' + str(s) + ' ' + word + ' omhoog gegaan.'})
	else:
		return json.dumps({'success': False, 'message': 'De animatie is bezig, het up commando kan niet worden uitgevoerd.'})

# Move DOWN
@app.route('/down.htm')
def moveDown():
	try:
		s = int(request.args.get('steps'))
	except:
		s = 1

	if s == 1:
		word = 'stap'
	else:
		word = 'stappen'

	if hwctrl.move(False,s,False):
		return json.dumps({'success': True, 'message': 'Het balletje is ' + str(s) + ' ' + word + ' omlaag gegaan.'})
	else:
		return json.dumps({'success': False, 'message': 'De animatie is bezig, het down commando kan niet worden uitgevoerd.'})

# Return to the Home position
@app.route('/home.htm')
def returnHome():
	if hwctrl.moveHome():
		return json.dumps({'success': True, 'message': 'Het balletje is helemaal omhoog gegaan.'})
	else:
		return json.dumps({'success': False, 'message': 'De animatie is bezig, het home commando kan niet worden uitgevoerd.'})


# Start the animation
@app.route('/auto_on.htm')
def animateRun():
	if hwctrl.animateStart():
		return json.dumps({'success': True, 'message': 'De animatie is succesvol gestart.'})
	else:
		return json.dumps({'success': False, 'message': 'De animatie kan niet gestart worden omdat de animatie al gestart is.'})

# Stop the animation
@app.route('/auto_off.htm')
def animatePause():
	if hwctrl.animateStop():
		return json.dumps({'success': True, 'message': 'De animatie is succesvol gestopt.'})
	else:
		return json.dumps({'success': False, 'message': 'De animatie kan niet gestopt worden omdat er geen animatie gestart is.'})

# Run the Flask app
if __name__ == '__main__':
	app.run(host='0.0.0.0', debug=True, port=5000)
	hwctrl.cleanShutdown()