main.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from flask import Flask, request, session, g, redirect, url_for, abort, \
   5     render_template, flash
   6 import sqlite3
   7 from datetime import date, timedelta
   8 import locale
   9 locale.setlocale(locale.LC_ALL, '')
  10
  11 DATABASE = '/tmp/cavote.db'
  12 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  13 DEBUG = True
  14 USERNAME = 'admin'
  15 PASSWORD = 'admin'
  16
  17 app = Flask(__name__)
  18 app.config.from_object(__name__)
  19
  20 def connect_db():
  21     return sqlite3.connect(app.config['DATABASE'])
  22
  23 @app.before_request
  24 def before_request():
  25     g.db = connect_db()
  26
  27 @app.teardown_request
  28 def teardown_request(exception):
  29     g.db.close()
  30
  31 @app.route('/')
  32 def home():
  33     return render_template('index.html')
  34
  35
  36 #----------------
  37 # Login / Logout
  38
  39 def valid_login(username, password):
  40     return username == app.config['USERNAME'] and password == app.config['PASSWORD']
  41
  42 @app.route('/login', methods=['GET', 'POST'])
  43 def login():
  44     error = None
  45     if request.method == 'POST':
  46         if valid_login(request.form['username'], request.form['password']):
  47             session['username'] = request.form['username']
  48             if session['username'] == 'admin':
  49                 session['is_admin'] = True
  50             flash('You were logged in')
  51             return redirect(url_for('home'))
  52         else:
  53             error = "Invalid username/password"
  54     return render_template('login.html', error=error)
  55
  56 @app.route('/logout')
  57 def logout():
  58     session.pop('username', None)
  59     session.pop('is_admin', None)
  60     flash('You were logged out')
  61     return redirect(url_for('home'))
  62
  63 #---------------
  64 # User settings
  65 @app.route('/user/settings/<username>')
  66 def show_settings(username):
  67     if username != session['username']:
  68         abort(401)
  69
  70
  71 #------------
  72 # User admin
  73
  74
  75 #------------
  76 # Votes list
  77
  78 @app.route('/votes/<votes>')
  79 def show_votes(votes):
  80     today = date.today()
  81     if votes == 'all':
  82         cur = g.db.execute('select title, description, date_begin, date_end from votes order by id desc')
  83     elif votes == 'archives':
  84         cur = g.db.execute('select title, description, date_begin, date_end from votes where date_end < (?) order by id desc', [today])
  85     elif votes == 'currently':
  86         cur = g.db.execute('select title, description, date_begin, date_end from votes where date_end >= (?) order by id desc', [today])
  87     else:
  88         abort(404)
  89     votes = [dict(title=row[0], description=row[1], date_begin=row[2], date_end=row[3],
  90         pourcent=60) for row in cur.fetchall()]
  91     return render_template('show_votes.html', votes=votes)
  92
  93 #-------------
  94 # Votes admin
  95
  96 @app.route('/votes/admin/new')
  97 def new_vote():
  98     if not session.get('is_admin'):
  99         abort(401)
 100     return render_template('new_vote.html')
 101
 102 @app.route('/votes/admin/add', methods=['POST'])
 103 def add_vote():
 104     if not session.get('is_admin'):
 105         abort(401)
 106     date_begin = date.today()
 107     date_end = date.today() + timedelta(days=int(request.form['days']))
 108     transparent = 0
 109     public = 0
 110     multiplechoice = 0
 111     if 'transparent' in request.form.keys():
 112         transparent = 1
 113     if 'public' in request.form.keys():
 114         public = 1
 115     if 'multiplechoice' in request.form.keys():
 116         multiplechoice = 1
 117     g.db.execute('insert into votes (title, description, date_begin, date_end, is_transparent, is_public, is_multiplechoice) values (?, ?, ?, ?, ?, ?, ?)',
 118             [request.form['title'], request.form['description'], date_begin, date_end, transparent, public, multiplechoice])
 119     g.db.commit()
 120     flash('New entry was successfully posted')
 121     return redirect(url_for('home'))
 122
 123 #------
 124 # Main
 125
 126 if __name__ == '__main__':
 127     app.run()
 128