geeknam/gae_webservice.py

## gae_webservice.py
import urllib
import json
from google.appengine.api import mail
from google.appengine.ext import webapp, db
from google.appengine.ext.webapp import util
from google.appengine.ext.webapp.util import run_wsgi_app


class Feedback(db.Model):
    user     = db.StringProperty()
    heritage = db.StringProperty()
    comment  = db.StringProperty(multiline=True)
    star     = db.IntegerProperty()
    date     = db.DateTimeProperty(auto_now_add=True)

    #Convert feedback object into a dictionary
    def toDict(self):
	    return {'user': self.user,'heritage': self.heritage,
                    'comment': self.comment,'star':  self.star,'date': self.date}


class FeedbackGetter(webapp.RequestHandler):
    def get(self,heritage):
	#Retrieve feedbacks of a particular heritage requested
        heritage = urllib.unquote(heritage)
        feedbacks = db.GqlQuery("SELECT * FROM Feedback WHERE heritage = :1", heritage)

        feedDict = {}
        for feedback in feedbacks:
	        feedDict[str(feedback.key())] = feedback.toDict()

        self.response.out.write(json.encode(feedDict));

class FeedbackStore(webapp.RequestHandler):
    def post(self):
	#Storing feedback in datastore
        feedback = Feedback()
        feedback.user     = self.request.get('email')
        feedback.heritage = self.request.get('heritage')
        feedback.comment  = self.request.get('comment')
        feedback.star     = int(self.request.get('star'))
        feedback.put()

        #Sending confirmation email to the user
        myemail         = mail.EmailMessage()
        myemail.sender  = "World Heritage Site <noreply@androidnam.appspotmail.com>"
        myemail.to      = feedback.user
        myemail.subject = "Feedback on " + feedback.heritage
        myemail.body    = '''
        Thank you for submitting your feedback, \n
        Heritage: %s \n
        Comment: %s \n
        Rating: %s
        ''' % (feedback.heritage, feedback.comment, feedback.star)
        myemail.send()

        self.redirect('/get/'+feedback.heritage)

class FeedbackForm(webapp.RequestHandler):
	def get(self):
		self.response.out.write("""
		<html>
          <body>
            <form action="/store" method="post">
              Heritage:<div><input name="heritage" /></div>
			  Email:<div><input name="email" /></div>
			  Comment:<div><input name="comment" /></div>
			  Star:<div><input name="star" /></div>
              <div><input type="submit" value="Submit"></div>
            </form>
          </body>
        </html>
		""")


application = webapp.WSGIApplication([(r'/get/(.*)', FeedbackGetter),
				      ('/store', FeedbackStore),
				      ('/feedback', FeedbackForm)],
                                      debug=True)


def main():
    run_wsgi_app(application)

if __name__ == "__main__":
    main()
	import urllib
	import json
	from google.appengine.api import mail
	from google.appengine.ext import webapp, db
	from google.appengine.ext.webapp import util
	from google.appengine.ext.webapp.util import run_wsgi_app


	class Feedback(db.Model):
	user = db.StringProperty()
	heritage = db.StringProperty()
	comment = db.StringProperty(multiline=True)
	star = db.IntegerProperty()
	date = db.DateTimeProperty(auto_now_add=True)

	#Convert feedback object into a dictionary
	def toDict(self):
	return {'user': self.user,'heritage': self.heritage,
	'comment': self.comment,'star': self.star,'date': self.date}


	class FeedbackGetter(webapp.RequestHandler):
	def get(self,heritage):
	#Retrieve feedbacks of a particular heritage requested
	heritage = urllib.unquote(heritage)
	feedbacks = db.GqlQuery("SELECT * FROM Feedback WHERE heritage = :1", heritage)

	feedDict = {}
	for feedback in feedbacks:
	feedDict[str(feedback.key())] = feedback.toDict()

	self.response.out.write(json.encode(feedDict));

	class FeedbackStore(webapp.RequestHandler):
	def post(self):
	#Storing feedback in datastore
	feedback = Feedback()
	feedback.user = self.request.get('email')
	feedback.heritage = self.request.get('heritage')
	feedback.comment = self.request.get('comment')
	feedback.star = int(self.request.get('star'))
	feedback.put()

	#Sending confirmation email to the user
	myemail = mail.EmailMessage()
	myemail.sender = "World Heritage Site <noreply@androidnam.appspotmail.com>"
	myemail.to = feedback.user
	myemail.subject = "Feedback on " + feedback.heritage
	myemail.body = '''
	Thank you for submitting your feedback, \n
	Heritage: %s \n
	Comment: %s \n
	Rating: %s
	''' % (feedback.heritage, feedback.comment, feedback.star)
	myemail.send()

	self.redirect('/get/'+feedback.heritage)

	class FeedbackForm(webapp.RequestHandler):
	def get(self):
	self.response.out.write("""
	<html>
	<body>
	<form action="/store" method="post">
	Heritage:<div><input name="heritage" /></div>
	Email:<div><input name="email" /></div>
	Comment:<div><input name="comment" /></div>
	Star:<div><input name="star" /></div>
	<div><input type="submit" value="Submit"></div>
	</form>
	</body>
	</html>
	""")


	application = webapp.WSGIApplication([(r'/get/(.*)', FeedbackGetter),
	('/store', FeedbackStore),
	('/feedback', FeedbackForm)],
	debug=True)


	def main():
	run_wsgi_app(application)

	if __name__ == "__main__":
	main()