/
routes.py
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/
routes.py
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from server import app, ems
from flask import request, render_template, redirect, url_for, abort, send_from_directory, json, jsonify
from flask_login import login_required, login_user, current_user, logout_user
from model.event import Event, Status
from model.user import Staff, Guest
from parser import Parser, UserData
from utils import noException, Message, staff_required, roundMoney
from exceptions import *
"""
validate if the redirect url is within our domain
"""
def is_safe_url(url):
return True
"""
Serve static files
"""
@app.route('/static/<path:file>')
def getStaticFile(file):
return send_from_directory('static', file)
"""
Inject user view data into template as global
"""
@app.context_processor
def inject_user():
if current_user.is_authenticated:
return dict(
user=current_user.parseToView,
Money=roundMoney,
eventColorMap=Event.COLOR_MAP,
statusColorMap=Status.COLOR_MAP
)
else:
return {
'Money': roundMoney,
'eventColorMap': Event.COLOR_MAP,
'statusColorMap': Status.COLOR_MAP
}
"""
Home page and list events by category
"""
@app.route('/', defaults={'type': 'all'})
@app.route('/category/<type>')
@login_required
def listOpenEvents(type):
try:
events = ems.getOpenEventsByCategory(type)
# if request bad category
except EMSException:
abort(400)
# parse Event Obj to eventData Obj for View
data = [event.parseToView for event in events]
eventCategories = Event.ALL_CATEGORY.keys()
return render_template("index.html", category=type, name=current_user.name,
events=data, eventCategories=eventCategories)
"""
Login
"""
@app.route('/login', methods = ['GET', 'POST'])
def login():
msg = request.args.get('msg', False)
if msg:
msg = Message(msg, 'success')
# redirect athenticated users
if current_user.is_authenticated:
return redirect(url_for('listOpenEvents'))
# serve login page for GET request
if request.method == 'GET':
return render_template('login.html', msg=msg)
# handle login for POST Request
# ignore invalid request
if not ('email' in request.form and 'password' in request.form):
# bad request
abort(400)
user, msg_str = ems.login(request.form['email'], request.form['password'])
if user:
login_user(user)
next = request.args.get('next')
if not is_safe_url(next):
return abort(400)
return redirect(next or url_for('listOpenEvents'))
else:
msg = Message(msg_str, 'danger')
return render_template('login.html', form=request.form, msg=msg)
"""
Logout
"""
@app.route("/logout")
@login_required
def logout():
logout_user()
return redirect(url_for('login'))
"""
Events (detailed view)
"""
@app.route("/events/<eid>", methods = ['POST', 'GET'])
@login_required
def eventDetails(eid):
try:
event = ems.getEventById(int(eid))
except Exception:
abort(400)
if not event:
abort(404)
viewData = event.parseToView
canJoin = noException(event.joinCheck, current_user)
canLeave = noException(event.leaveCheck, current_user)
canChangeStatus = noException(event.changeStatusCheck, current_user)
if request.method == 'GET':
return render_template('event_details.html', event=viewData, name=current_user.name,
canJoin=canJoin, canLeave=canLeave, canChangeStatus=canChangeStatus)
# handle post request for join/leave event
# and for admin to change status
msg = False
try:
if request.form.get('action') == 'join':
event.enrolUser(current_user, form=request.form)
success_msg = "You have successfully joined this event"
if current_user.isGuest and not event.hasPresenter(current_user):
success_msg += ' for ${}'.format(event.currFee)
msg = Message(success_msg, 'success')
elif request.form.get('action') == 'leave':
msg = Message("You have successfully left this event", 'success')
event.unenrolUser(current_user)
elif request.form.get('action') == 'changeStatus':
status_str = request.form.get('status')
if not status_str in Status.__members__:
abort(400)
status = Status[status_str.upper()]
event.changeStatusCheck(current_user)
current_user.changeEventStatus(event, status)
if status == Status.CANCEL:
# notify each user
for u in ems.users.values():
if event.eid in [e.eid for e in u.events]:
u.addNotification('An event you have registered has been ' +
'cancelled, click <a href="{}">here</a> for details'.format(
url_for('eventDetails', eid=event.eid)))
msg = Message("You have successfully changed this event to the status: {}".format(status_str), 'success')
except EventException as err:
msg = Message(str(err), 'danger')
# re-calculate everything after changes
viewData = event.parseToView
canJoin = noException(event.joinCheck, current_user)
canLeave = noException(event.leaveCheck, current_user)
return render_template('event_details.html', event=viewData, name=current_user.name, msg=msg,
canJoin=canJoin, canLeave=canLeave, canChangeStatus=canChangeStatus)
@app.route('/post/<eventType>', methods=['POST', 'GET'])
@login_required
@staff_required
def postEvent(eventType):
# see if given type is valid
classname = eventType.capitalize()
if not classname in Event.ALL_CATEGORY:
abort(400)
# serve corresponding post page for given type of event
if request.method == 'GET':
return render_template('post_{}.html'.format(eventType.lower()),
name=current_user.name)
if request.method == 'POST':
try:
# instantiate a new obj of class of given classname
eventData = Parser.ALL_DATA[classname].parseViewToModel(request.form.to_dict())
# post event and retrieve the returned eid for the new event
eid = current_user.postEvent(ems, classname, eventData)
except (PostEventException, EventException) as err:
msg = Message(str(err), 'danger')
return render_template('post_{}.html'.format(eventType.lower()),
msg=msg, name=current_user.name,
form=json.dumps(request.form))
return redirect(url_for('eventDetails', eid=eid))
"""
Dashboard
"""
@app.route('/dashboard')
@login_required
def dashboard():
myEvents = current_user.events
eventCategories = Event.ALL_CATEGORY.keys() if current_user.isStaff else []
return render_template('dashboard.html', eventCategories=eventCategories)
"""
Guest sign up
"""
@app.route('/signup', methods=['POST', 'GET'])
def signup():
# serve page on GET request
if request.method == 'GET':
return render_template('signup.html')
# handle registration form
try:
userData = UserData.parseViewToModel(request.form)
newGuest = Guest(userData)
ems.addUser(newGuest)
except Exception as err:
msg = Message(str(err), 'danger')
return render_template('signup.html', msg=msg, form=json.dumps(request.form))
return redirect(url_for('login', msg='Successfully signed up'))
'''
All users profile
'''
@app.route('/profile', defaults={'uid': -1})
@app.route('/profile/<uid>')
@login_required
def profile(uid):
if uid == -1:
uid = current_user.uid
user = ems.getUserById(int(uid))
if not user:
abort(404)
userData = user.parseToView
return render_template("profile.html", profile_user=userData)
'''
Clear user's notifications
'''
@app.route('/clearNotification', methods=['POST'])
@login_required
def clearNotification():
current_user.clearNotification()
return redirect(request.form.get('url'))
'''
API for session speaker auto complete
'''
@app.route('/api/users')
@login_required
@staff_required
def api_users():
query = request.args.get('query')
suggestions = []
for user in ems.users.values():
if query.lower() in user.name.lower() or query.lower() in user.email.lower():
suggestions.append({
'value': '{}<{}>'.format(user.name, user.email),
'data': user.email
})
response = {
'query': 'Unit',
'suggestions': suggestions
}
return jsonify(response)