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chat.py
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chat.py
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# -*- coding: latin-1 -*-
from google.appengine.ext import webapp
from google.appengine.ext.webapp import util
from google.appengine.ext import db
from google.appengine.api import memcache
from gaesessions import get_current_session
import datetime
import entities
import webpages
import inputFunctions
class ChatRoot(webapp.RequestHandler):
def get(self):
session = get_current_session()
self.response.out.write(webpages.header(session))
rooms = ["global"]
type = session['loginType']
if(type == 'leerling'):
rooms.append("leerlingen")
leerling = db.GqlQuery("SELECT * FROM Leerling where leerlingID = '"+session['id']+"'")[0]
rooms.append(leerling.klas)
klassen = db.GqlQuery("SELECT * FROM VakPerKlas where klas = '"+leerling.klas+"'")
for klas in klassen:
rooms.append(webpages.getKlasNaam(klas.vakCode))
elif(type == 'docent'):
rooms.append("docenten")
klassen = db.GqlQuery("SELECT * FROM VakPerKlas where docentID = '"+session['id']+"'")
for klas in klassen:
rooms.append(klas.klas)
elif(type == 'beheerder'):
rooms.append("leerlingen")
rooms.append("docenten")
rooms.append("beheerders")
vakken = db.GqlQuery("SELECT * FROM Vak")
for vak in vakken:
rooms.append(vak.vakNaam)
tmp = db.GqlQuery("SELECT * FROM VakPerKlas")
klassen = []
for klas in tmp:
if klas not in klassen:
klassen.append(klas)
rooms.append(klas.klas)
session.__setitem__('rooms',rooms)
self.response.out.write("<table class='chatTable' id=chatTable'><tr><th> </th><th>Naam: </th><th>Aantal deelnemers: </th><th>Join: </th><tr>")
for room in rooms:
users = memcache.get(room+"Users")
usersInRoom = 0
if users is not None:
usersInRoom = len(users)
self.response.out.write("<td><form action='/chat/chat' method='post'><input type='hidden' name='room' id='room' value="+room+" /></td><td>"+room+"</td><td>"+str(usersInRoom)+"</td><td><input type='submit' value='join' /></td></tr></form>")
self.response.out.write("</table>")
self.response.out.write(webpages.footer())
class ChatMain(webapp.RequestHandler):
def post(self):
session = get_current_session()
self.response.out.write(webpages.header(session))
if(session.has_key('id')):
roomGet = self.request.get('room')
if(roomGet in session['rooms']):
self.response.out.write(webpages.chatBox(session['id'],roomGet))
else:
self.response.out.write("Geen toegang tot deze chatroom")
self.response.out.write(webpages.footer())
class AjaxGetMessages(webapp.RequestHandler):
def get(self):
session = get_current_session()
if(session['id'] == self.request.get('id')):
roomGet = self.request.get('room')
messages = memcache.get(roomGet+"Chat")
if(messages == None):
datastoreMessages = db.GqlQuery("SELECT * FROM ChatMessage where room = '"+roomGet+"'")
messageList = []
for message in datastoreMessages:
messageList.append(message)
memcache.set(key=roomGet+"Chat",value=messageList)
messages = messageList
for message in messages:
self.response.out.write(str(message.time)[:-7]+"-"+message.poster+": "+message.message.replace("_"," ")+"<br />")
class AjaxPostMessages(webapp.RequestHandler):
def get(self):
session = get_current_session()
if(session['id'] == self.request.get('id')):
roomGet = self.request.get('room')
messages = memcache.get(roomGet+"Chat")
if(messages == None):
datastoreMessages = db.GqlQuery("SELECT * FROM ChatMessage where room = '"+roomGet+"'")
messageList = []
for message in datastoreMessages:
messageList.append(message)
memcache.set(key=roomGet+"Chat",value=messageList)
messages = messageList
message = entities.ChatMessage(poster=self.request.get('id'),room=roomGet,time=datetime.datetime.now().time(),message=self.request.get('message'))
db.put_async(message)
#message.put()
messages.append(message)
memcache.set(key=roomGet+"Chat",value=messages)
class AjaxGetUsers(webapp.RequestHandler):
def get(self):
session = get_current_session()
if(session['id'] == self.request.get('id')):
roomGet = self.request.get('room')
users = memcache.get(roomGet+"Users")
if(users == None):
users = []
return
for user in users:
self.response.out.write(user+"<br />")
class AjaxQuit(webapp.RequestHandler):
def get(self):
session = get_current_session()
if(session['id'] == self.request.get('id')):
roomGet = self.request.get('room')
users = memcache.get(roomGet+"Users")
if(users == None):
users = []
users.remove(session['id'])
memcache.set(key=roomGet+"Users",value=users)
class AjaxJoin(webapp.RequestHandler):
def get(self):
session = get_current_session()
if(session['id'] == self.request.get('id')):
roomGet = self.request.get('room')
users = memcache.get(roomGet+"Users")
if(users == None):
users = []
if session['id'] not in users:
users.append(session['id'])
memcache.set(key=roomGet+"Users",value=users)
def main():
application = webapp.WSGIApplication([('/chat/', ChatRoot),
('/chat/chat', ChatMain),
('/chat/ajaxgetmessages', AjaxGetMessages),
('/chat/ajaxpostmessages', AjaxPostMessages),
('/chat/ajaxjoin', AjaxJoin),
('/chat/ajaxgetusers', AjaxGetUsers),
('/chat/ajaxquit', AjaxQuit)],
debug=True)
util.run_wsgi_app(application)
if __name__ == '__main__':
main()