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 from contextlib import closing
   9 import locale
  10 locale.setlocale(locale.LC_ALL, '')
  11
  12 DATABASE = '/tmp/cavote.db'
  13 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  14 DEBUG = True
  15
  16 app = Flask(__name__)
  17 app.config.from_object(__name__)
  18
  19 def connect_db():
  20     return sqlite3.connect(app.config['DATABASE'])
  21
  22 @app.before_request
  23 def before_request():
  24     g.db = connect_db()
  25
  26 @app.teardown_request
  27 def teardown_request(exception):
  28     g.db.close()
  29
  30 @app.route('/')
  31 def home():
  32     return render_template('index.html', active_button="home")
  33
  34 def query_db(query, args=(), one=False):
  35     cur = g.db.execute(query, args)
  36     rv = [dict((cur.description[idx][0], value)
  37         for idx, value in enumerate(row)) for row in cur.fetchall()]
  38     return (rv[0] if rv else None) if one else rv
  39
  40 def init_db():
  41     with closing(connect_db()) as db:
  42         with app.open_resource('schema.sql') as f:
  43             db.cursor().executescript(f.read())
  44         db.commit()
  45
  46 #----------------
  47 # Login / Logout
  48
  49 def valid_login(username, password):
  50     return query_db('select * from users where email = ? and password = ?', [username, password], one=True)
  51
  52 def connect_user(user):
  53     session['user'] = user # :KLUDGE:maethor:120528: Stoquer toute la ligne de la table users dans la session, c'est un peu crade…
  54     #session['user']['id'] = user['id']
  55     #session['user']['name'] = user['name']
  56     #session['user']['email'] = user['email']
  57     #session['user']['organization'] = user['organization']
  58     #if user['is_admin'] == 1:
  59     #    session['user']['is_admin'] = True
  60
  61 def disconnect_user():
  62     session.pop('user', None)
  63
  64 @app.route('/login', methods=['GET', 'POST'])
  65 def login():
  66     if request.method == 'POST':
  67         user = valid_login(request.form['username'], request.form['password'])
  68         if user is None:
  69             flash('Invalid username/password', 'error')
  70         else:
  71             connect_user(user)
  72             flash('You were logged in', 'success')
  73             return redirect(url_for('home'))
  74     return render_template('login.html')
  75
  76 @app.route('/logout')
  77 def logout():
  78     disconnect_user()
  79     flash('You were logged out', 'info')
  80     return redirect(url_for('home'))
  81
  82 #-----------------
  83 # Change password
  84
  85 @app.route('/password/lost', methods=['GET', 'POST'])
  86 def password_lost():
  87     info = None
  88     if request.method == 'POST':
  89         user = query_db('select * from users where email = ?', [request.form['email']], one=True)
  90         if user is None:
  91             flash('Cet utilisateur n\'existe pas !', 'error')
  92         else:
  93             # :TODO:maethor:120528: Générer la clé, la mettre dans la base de données et envoyer le mail
  94             flash(u"Un mail a été envoyé à " + user['email'], 'info')
  95     return render_template('password_lost.html')
  96
  97 @app.route('/login/<userid>/<key>')
  98 def login_key(userid, key):
  99     user = query_db('select * from users where id = ? and key = ?', [userid, key], one=True)
 100     if user is None or key == "invalid":
 101         abort(404)
 102     else:
 103         connect_user(user)
 104         # :TODO:maethor:120528: Remplacer la clé pour qu'elle ne puisse plus être utilisée (invalid)
 105         flash(u"Veuillez mettre à jour votre mot de passe", 'info')
 106         return redirect(url_for('user_password'), userid=user['userid'])
 107
 108 #---------------
 109 # User settings
 110
 111 @app.route('/user/<userid>')
 112 def show_user(userid):
 113     if int(userid) != session.get('user').get('id'):
 114         abort(401)
 115     return render_template('show_user.html')
 116
 117 @app.route('/user/settings/<userid>', methods=['GET', 'POST'])
 118 def user_settings(userid):
 119     if int(userid) != session.get('user').get('id'):
 120         abort(401)
 121     if request.method == 'POST':
 122         g.db.execute('update users set email = ?, name = ?, organization = ? where id = ?',
 123                 [request.form['email'], request.form['name'], request.form['organization'], session['user']['id']])
 124         g.db.commit()
 125         disconnect_user() # :TODO:maethor:120528: Maybe useless, but this is simple way to refresh session :D
 126         flash(u'Votre profil a été mis à jour !', 'success')
 127         return redirect(url_for('login'))
 128     return render_template('user_settings.html')
 129
 130 @app.route('/user/password/<userid>', methods=['GET', 'POST'])
 131 def user_password(userid):
 132     if int(userid) != session.get('user').get('id'):
 133         abort(401)
 134     if request.method == 'POST':
 135         if request.form['password'] == request.form['password2']:
 136             # :TODO:maethor:120528: Chiffrer le mot de passe !
 137             g.db.execute('update users set password = ? where id = ?', [request.form['password'], session['user']['id']])
 138             g.db.commit()
 139             flash(u'Votre mot de passe a été mis à jour.', 'success')
 140         else:
 141             flash(u'Les mots de passe sont différents.', 'error')
 142     return render_template('user_settings.html')
 143
 144 #------------
 145 # User admin
 146
 147 @app.route('/users/admin/list')
 148 def admin_users():
 149     if not session.get('user').get('is_admin'):
 150         abort(401)
 151     users = query_db('select * from users order by id desc')
 152     return render_template('admin_users.html', users=users)
 153
 154 @app.route('/users/admin/add', methods=['GET', 'POST'])
 155 def add_user():
 156     if not session.get('user').get('is_admin'):
 157         abort(401)
 158     if request.method == 'POST':
 159         if request.form['email']:
 160             # :TODO:maethor:120528: Check fields
 161             password = "toto" # :TODO:maethor:120528: Generate password
 162             admin = 0
 163             if 'admin' in request.form.keys():
 164                 admin = 1
 165             g.db.execute('insert into users (email, name, organization, password, is_admin) values (?, ?, ?, ?, ?)',
 166                     [request.form['email'], request.form['username'], request.form['organization'], password, admin])
 167             g.db.commit()
 168             # :TODO:maethor:120528: Send mail
 169             flash(u'Le nouvel utilisateur a été créé avec succès', 'success')
 170             return redirect(url_for('home'))
 171         else:
 172             flash(u"Vous devez spécifier une adresse email.", 'error')
 173     return render_template('add_user.html')
 174
 175 #-------------
 176 # Roles admin
 177
 178 @app.route('/roles')
 179 def show_roles():
 180     if not session.get('user').get('is_admin'):
 181         abort(401)
 182     roles = query_db('select * from roles')
 183     return render_template('show_roles.html', roles=roles)
 184
 185 @app.route('/roles/admin/add', methods=['POST'])
 186 def add_role():
 187     if not session.get('user').get('is_admin'):
 188         abort(401)
 189     if request.method == 'POST':
 190         if request.form['name']:
 191             g.db.execute('insert into roles (name) values (?)', [request.form['name']])
 192             g.db.commit()
 193         else:
 194             flash(u"Vous devez spécifier un nom.", "error")
 195     return redirect(url_for('show_roles'))
 196
 197 @app.route('/roles/admin/delete/<idrole>')
 198 def del_role(idrole):
 199     if not session.get('user').get('is_admin'):
 200         abort(401)
 201     role = query_db('select * from roles where id = ?', [idrole], one=True)
 202     if role is None:
 203         abort(404)
 204     if role['system']:
 205         abort(401)
 206     g.db.execute('delete from roles where id = ?', [idrole])
 207     g.db.commit()
 208     return redirect(url_for('show_roles'))
 209
 210 #------------
 211 # Votes list
 212
 213 @app.route('/votes/<votes>')
 214 def show_votes(votes):
 215     today = date.today()
 216     active_button = votes
 217     basequery = 'select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where open=1'
 218     if votes == 'all':
 219         votes = query_db(basequery + ' order by id desc')
 220     elif votes == 'archive':
 221         votes = query_db(basequery + ' and date_end < (?) order by id desc', [today])
 222     elif votes == 'current':
 223         votes = query_db(basequery + ' and date_end >= (?) order by id desc', [today])
 224     else:
 225         abort(404)
 226     return render_template('show_votes.html', votes=votes, active_button=active_button)
 227
 228 #------
 229 # Vote
 230
 231 def can_see_vote(idvote, iduser=-1):
 232     user = query_db('select * from users where id=?', [iduser], one=True)
 233     vote = query_db('select * from votes where id=?', [idvote], one=True)
 234     if user is None and not vote.is_public:
 235         return False
 236     return True # :TODO:maethor:20120529: Check others things
 237
 238 def can_vote(idvote, iduser=-1):
 239     if not can_see_vote(idvote, iduser):
 240         return False
 241     return True # :TODO:maethor:20120529: Check others things
 242
 243 @app.route('/vote/<idvote>')
 244 def show_vote(idvote):
 245     vote = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where votes.id=?', [idvote], one=True)
 246     if vote is None:
 247         abort(404)
 248     if can_see_vote(idvote, session.get('user').get('id')):
 249         choices = query_db('select * from choices where id_vote=?', [idvote])
 250         attachments = query_db('select * from attachments where id_vote=?', [idvote])
 251         return render_template('vote.html', vote=vote, attachments=attachments, choices=choices, can_vote=can_vote(idvote, session.get('user').get('id')))
 252     flash('Vous n\'avez pas le droit de voir ce vote, désolé.')
 253     return(url_for('home'))
 254
 255 #-------------
 256 # Votes admin
 257
 258 @app.route('/votes/admin/list')
 259 def admin_votes():
 260     if not session.get('user').get('is_admin'):
 261         abort(401)
 262     votes = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role order by id desc')
 263     return render_template('admin_votes.html', votes=votes)
 264
 265 @app.route('/votes/admin/add', methods=['GET', 'POST'])
 266 def add_vote():
 267     if not session.get('user').get('is_admin'):
 268         abort(401)
 269     if request.method == 'POST':
 270         if request.form['title']:
 271             date_begin = date.today()
 272             date_end = date.today() + timedelta(days=int(request.form['days']))
 273             transparent = 0
 274             public = 0
 275             multiplechoice = 0
 276             if 'transparent' in request.form.keys():
 277                 transparent = 1
 278             if 'public' in request.form.keys():
 279                 public = 1
 280             if 'multiplechoice' in request.form.keys():
 281                 multiplechoice = 1
 282             role = query_db('select id from roles where name = ?', [request.form['role']], one=True)
 283             if role is None:
 284                 role[id] = 1
 285             g.db.execute('insert into votes (title, description, category, date_begin, date_end, is_transparent, is_public, is_multiplechoice, id_role, id_author) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
 286                     [request.form['title'], request.form['description'], request.form['category'], date_begin, date_end, transparent, public, multiplechoice, role['id'], session['user']['id']])
 287             g.db.commit()
 288             vote = query_db('select * from votes where title = ? and date_begin = ? order by id desc',
 289                     [request.form['title'], date_begin], one=True) # :DEBUG:maethor:20120528: Bug possible car le titre n'est pas unique
 290             if vote is None:
 291                 flash(u'Une erreur est survenue !', 'error')
 292                 return redirect(url_for('home'))
 293             else:
 294                 flash(u"Le vote a été créé", 'info')
 295                 return redirect(url_for('edit_vote', voteid=vote['id']))
 296         else:
 297             flash(u'Vous devez spécifier un titre.', 'error')
 298     groups = query_db('select * from roles')
 299     return render_template('new_vote.html', groups=groups)
 300
 301 @app.route('/votes/admin/edit/<voteid>', methods=['GET', 'POST'])
 302 def edit_vote(voteid):
 303     if not session.get('user').get('is_admin'):
 304         abort(401)
 305     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 306     if vote is None:
 307         abort(404)
 308     if request.method == 'POST':
 309         if request.form['title']:
 310             # :TODO:maethor:120529: Calculer date_begin pour pouvoir y ajouter duration et obtenir date_end
 311             transparent = 0
 312             public = 0
 313             if 'transparent' in request.form.keys():
 314                 transparent = 1
 315             if 'public' in request.form.keys():
 316                 public = 1
 317             isopen = 0
 318             if request.form['status'] == 'Ouvert': # :TODO:maethor:20120529: Check if there is at least 2 choices before
 319                 isopen = 1
 320             g.db.execute('update votes set title = ?, description = ?, category = ?, is_transparent = ?, is_public = ?, is_open = ? where id = ?',
 321                     [request.form['title'], request.form['description'], request.form['category'], transparent, public, isopen, voteid])
 322             g.db.commit()
 323             vote = query_db('select * from votes where id = ?', [voteid], one=True)
 324             flash(u"Le vote a bien été mis à jour.", "success")
 325         else:
 326             flash(u'Vous devez spécifier un titre.', 'error')
 327
 328     # :TODO:maethor:20120529: Calculer la durée du vote (différence date_end - date_begin)
 329     vote['duration'] = 15
 330     group = query_db('select name from roles where id = ?', [vote['id_role']], one=True)
 331     choices = query_db('select * from choices where id_vote = ?', [voteid])
 332     return render_template('edit_vote.html', vote=vote, group=group, choices=choices)
 333
 334 @app.route('/votes/admin/addchoice/<voteid>', methods=['POST'])
 335 def add_choice(voteid):
 336     if not session.get('user').get('is_admin'):
 337         abort(401)
 338     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 339     if vote is None:
 340         abort(404)
 341     g.db.execute('insert into choices (name, id_vote) values (?, ?)', [request.form['title'], voteid])
 342     g.db.commit()
 343     return redirect(url_for('edit_vote', voteid=voteid))
 344
 345 @app.route('/votes/admin/editchoice/<voteid>/<choiceid>', methods=['POST', 'DELETE'])
 346 def edit_choice(voteid, choiceid):
 347     if not session.get('user').get('is_admin'):
 348         abort(401)
 349     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 350     if choice is None:
 351         abort(404)
 352     if request.method == 'POST':
 353         g.db.execute('update choices set name=? where id = ? and id_vote = ?', [request.form['title'], choiceid, voteid])
 354         g.db.commit()
 355     elif request.method == 'DELETE': # :COMMENT:maethor:20120528: I can't find how to use it from template
 356         g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 357         g.db.commt()
 358     return redirect(url_for('edit_vote', voteid=voteid))
 359
 360 @app.route('/votes/admin/deletechoice/<voteid>/<choiceid>')
 361 def delete_choice(voteid, choiceid):
 362     if not session.get('user').get('is_admin'):
 363         abort(401)
 364     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 365     if choice is None:
 366         abort(404)
 367     g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 368     g.db.commit()
 369     return redirect(url_for('edit_vote', voteid=voteid))
 370
 371 #------
 372 # Main
 373
 374 if __name__ == '__main__':
 375     app.run()
 376