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: Generer la cle, 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 user(userid):
 113     if int(userid) != session.get('user').get('id'):
 114         abort(401)
 115     groups = query_db('select * from roles join user_role on id=id_role where id_user = ?', userid)
 116     return render_template('user.html', groups=groups)
 117
 118 @app.route('/user/settings/<userid>', methods=['GET', 'POST'])
 119 def user_edit(userid):
 120     if int(userid) != session.get('user').get('id'):
 121         abort(401)
 122     if request.method == 'POST':
 123         if query_db('select * from users where email=? and id!=?', [request.form['email'], userid], one=True) is None:
 124             if query_db('select * from users where name=? and id!=?', [request.form['name'], userid], one=True) is None:
 125                 g.db.execute('update users set email = ?, name = ?, organization = ? where id = ?',
 126                         [request.form['email'], request.form['name'], request.form['organization'], session['user']['id']])
 127                 g.db.commit()
 128                 disconnect_user() # :TODO:maethor:120528: Maybe useless, but this is simple way to refresh session :D
 129                 user = query_db('select * from users where id=?', [userid], one=True)
 130                 if user is None:
 131                     flash(u'Une erreur s\'est produite.', 'error')
 132                     return redirect(url_for('login'))
 133                 connect_user(user)
 134                 flash(u'Votre profil a été mis à jour !', 'success')
 135             else:
 136                 flash(u'Le nom ' + request.form['name'] + u' est déjà pris ! Veuillez en choisir un autre.', 'error')
 137         else:
 138             flash(u'Il existe déjà un compte pour cette adresse e-mail : ' + request.form['email'], 'error')
 139     return render_template('user_edit.html')
 140
 141 @app.route('/user/password/<userid>', methods=['GET', 'POST'])
 142 def user_password(userid):
 143     if int(userid) != session.get('user').get('id'):
 144         abort(401)
 145     if request.method == 'POST':
 146         if request.form['password'] == request.form['password2']:
 147             # :TODO:maethor:120528: Chiffrer le mot de passe !
 148             g.db.execute('update users set password = ? where id = ?', [request.form['password'], session['user']['id']])
 149             g.db.commit()
 150             flash(u'Votre mot de passe a été mis à jour.', 'success')
 151         else:
 152             flash(u'Les mots de passe sont différents.', 'error')
 153     return render_template('user_edit.html')
 154
 155 #------------
 156 # User admin
 157
 158 @app.route('/admin/users')
 159 def admin_users():
 160     if not session.get('user').get('is_admin'):
 161         abort(401)
 162     users = query_db('select *, roles.name as rolename from (select *, name as username from users join user_role on id=id_user order by id desc) join roles on id_role=roles.id')
 163     # :TODO:maethor:20120530: Find a way to reduce the dict
 164     return render_template('admin_users.html', users=users)
 165
 166 @app.route('/admin/users/add', methods=['GET', 'POST'])
 167 def admin_user_add():
 168     if not session.get('user').get('is_admin'):
 169         abort(401)
 170     if request.method == 'POST':
 171         if request.form['email']:
 172             # :TODO:maethor:120528: Check fields
 173             password = "toto" # :TODO:maethor:120528: Generate password
 174             admin = 0
 175             if 'admin' in request.form.keys():
 176                 admin = 1
 177             g.db.execute('insert into users (email, name, organization, password, is_admin) values (?, ?, ?, ?, ?)',
 178                     [request.form['email'], request.form['username'], request.form['organization'], password, admin])
 179             g.db.commit()
 180             user = query_db('select * from users where email = ?', [request.form["email"]], one=True)
 181             if user:
 182               for role in request.form.getlist('roles'):
 183                   # :TODO:maethor:120528: Check if this role exist
 184                   if query_db('select id from roles where id = ?', role, one=True) is None:
 185                       abort(401)
 186                   g.db.execute('insert into user_role values (?, ?)', [user['id'], role])
 187                   g.db.commit()
 188               # :TODO:maethor:120528: Send mail
 189               flash(u'Le nouvel utilisateur a été créé avec succès', 'success')
 190               return redirect(url_for('admin_users'))
 191             else:
 192                 flash(u'Une erreur s\'est produite.', 'error')
 193         else:
 194             flash(u"Vous devez spécifier une adresse email.", 'error')
 195     groups = query_db('select * from roles where system=0')
 196     return render_template('admin_user_new.html', groups=groups)
 197
 198 #-------------
 199 # Roles admin
 200
 201 @app.route('/admin/roles')
 202 def admin_roles():
 203     if not session.get('user').get('is_admin'):
 204         abort(401)
 205     roles = query_db('select * from roles')
 206     return render_template('admin_roles.html', roles=roles)
 207
 208 @app.route('/admin/roles/add', methods=['POST'])
 209 def admin_role_add():
 210     if not session.get('user').get('is_admin'):
 211         abort(401)
 212     if request.method == 'POST':
 213         if request.form['name']:
 214             g.db.execute('insert into roles (name) values (?)', [request.form['name']])
 215             g.db.commit()
 216         else:
 217             flash(u"Vous devez spécifier un nom.", "error")
 218     return redirect(url_for('admin_roles'))
 219
 220 @app.route('/admin/roles/delete/<idrole>')
 221 def admin_role_del(idrole):
 222     if not session.get('user').get('is_admin'):
 223         abort(401)
 224     role = query_db('select * from roles where id = ?', [idrole], one=True)
 225     if role is None:
 226         abort(404)
 227     if role['system']:
 228         abort(401)
 229     g.db.execute('delete from roles where id = ?', [idrole])
 230     g.db.commit()
 231     return redirect(url_for('admin_roles'))
 232
 233 #------------
 234 # Votes list
 235
 236 @app.route('/votes/<votes>')
 237 def votes(votes):
 238     today = date.today()
 239     active_button = votes
 240     basequery = 'select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where is_open=1'
 241     if votes == 'all':
 242         votes = query_db(basequery + ' order by id desc')
 243     elif votes == 'archive':
 244         votes = query_db(basequery + ' and date_end < (?) order by id desc', [today])
 245     elif votes == 'current':
 246         votes = query_db(basequery + ' and date_end >= (?) order by id desc', [today])
 247     else:
 248         abort(404)
 249     return render_template('votes.html', votes=votes, active_button=active_button)
 250
 251 #------
 252 # Vote
 253
 254 def can_see_vote(idvote, iduser=-1):
 255     user = query_db('select * from users where id=?', [iduser], one=True)
 256     vote = query_db('select * from votes where id=?', [idvote], one=True)
 257     if user is None and not vote.is_public:
 258         return False
 259     return True # :TODO:maethor:20120529: Check others things
 260
 261 def can_vote(idvote, iduser=-1):
 262     if not can_see_vote(idvote, iduser):
 263         return False
 264     return True # :TODO:maethor:20120529: Check others things
 265
 266 @app.route('/vote/<idvote>')
 267 def vote(idvote):
 268     vote = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role where votes.id=?', [idvote], one=True)
 269     if vote is None:
 270         abort(404)
 271     if can_see_vote(idvote, session.get('user').get('id')):
 272         choices = query_db('select * from choices where id_vote=?', [idvote])
 273         attachments = query_db('select * from attachments where id_vote=?', [idvote])
 274         return render_template('vote.html', vote=vote, attachments=attachments, choices=choices, can_vote=can_vote(idvote, session.get('user').get('id')))
 275     flash('Vous n\'avez pas le droit de voir ce vote, désolé.')
 276     return(url_for('home'))
 277
 278 #-------------
 279 # Votes admin
 280
 281 @app.route('/admin/votes/list')
 282 def admin_votes():
 283     if not session.get('user').get('is_admin'):
 284         abort(401)
 285     votes = query_db('select *, roles.name as rolename from votes join roles on roles.id=votes.id_role order by id desc')
 286     return render_template('admin_votes.html', votes=votes)
 287
 288 @app.route('/admin/votes/add', methods=['GET', 'POST'])
 289 def admin_vote_add():
 290     if not session.get('user').get('is_admin'):
 291         abort(401)
 292     if request.method == 'POST':
 293         if request.form['title']:
 294             date_begin = date.today()
 295             date_end = date.today() + timedelta(days=int(request.form['days']))
 296             transparent = 0
 297             public = 0
 298             multiplechoice = 0
 299             if 'transparent' in request.form.keys():
 300                 transparent = 1
 301             if 'public' in request.form.keys():
 302                 public = 1
 303             if 'multiplechoice' in request.form.keys():
 304                 multiplechoice = 1
 305             role = query_db('select id from roles where name = ?', [request.form['role']], one=True)
 306             if role is None:
 307                 role[id] = 1
 308             g.db.execute('insert into votes (title, description, category, date_begin, date_end, is_transparent, is_public, is_multiplechoice, id_role, id_author) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
 309                     [request.form['title'], request.form['description'], request.form['category'], date_begin, date_end, transparent, public, multiplechoice, role['id'], session['user']['id']])
 310             g.db.commit()
 311             vote = query_db('select * from votes where title = ? and date_begin = ? order by id desc',
 312                     [request.form['title'], date_begin], one=True) # :DEBUG:maethor:20120528: Bug possible car le titre n'est pas unique
 313             if vote is None:
 314                 flash(u'Une erreur est survenue !', 'error')
 315                 return redirect(url_for('home'))
 316             else:
 317                 flash(u"Le vote a été créé", 'info')
 318                 return redirect(url_for('admin_vote_edit', voteid=vote['id']))
 319         else:
 320             flash(u'Vous devez spécifier un titre.', 'error')
 321     groups = query_db('select * from roles')
 322     return render_template('admin_vote_new.html', groups=groups)
 323
 324 @app.route('/admin/votes/edit/<voteid>', methods=['GET', 'POST'])
 325 def admin_vote_edit(voteid):
 326     if not session.get('user').get('is_admin'):
 327         abort(401)
 328     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 329     if vote is None:
 330         abort(404)
 331     if request.method == 'POST':
 332         if request.form['title']:
 333             # :TODO:maethor:120529: Calculer date_begin pour pouvoir y ajouter duration et obtenir date_end
 334             transparent = 0
 335             public = 0
 336             if 'transparent' in request.form.keys():
 337                 transparent = 1
 338             if 'public' in request.form.keys():
 339                 public = 1
 340             isopen = 0
 341             if request.form['status'] == 'Ouvert': # :TODO:maethor:20120529: Check if there is at least 2 choices before
 342                 isopen = 1
 343             g.db.execute('update votes set title = ?, description = ?, category = ?, is_transparent = ?, is_public = ?, is_open = ? where id = ?',
 344                     [request.form['title'], request.form['description'], request.form['category'], transparent, public, isopen, voteid])
 345             g.db.commit()
 346             vote = query_db('select * from votes where id = ?', [voteid], one=True)
 347             flash(u"Le vote a bien été mis à jour.", "success")
 348         else:
 349             flash(u'Vous devez spécifier un titre.', 'error')
 350
 351     # :TODO:maethor:20120529: Calculer la durée du vote (différence date_end - date_begin)
 352     vote['duration'] = 15
 353     group = query_db('select name from roles where id = ?', [vote['id_role']], one=True)
 354     choices = query_db('select * from choices where id_vote = ?', [voteid])
 355     return render_template('admin_vote_edit.html', vote=vote, group=group, choices=choices)
 356
 357 @app.route('/admin/votes/addchoice/<voteid>', methods=['POST'])
 358 def admin_vote_addchoice(voteid):
 359     if not session.get('user').get('is_admin'):
 360         abort(401)
 361     vote = query_db('select * from votes where id = ?', [voteid], one=True)
 362     if vote is None:
 363         abort(404)
 364     g.db.execute('insert into choices (name, id_vote) values (?, ?)', [request.form['title'], voteid])
 365     g.db.commit()
 366     return redirect(url_for('admin_vote_edit', voteid=voteid))
 367
 368 @app.route('/admin/votes/editchoice/<voteid>/<choiceid>', methods=['POST', 'DELETE'])
 369 def admin_vote_editchoice(voteid, choiceid):
 370     if not session.get('user').get('is_admin'):
 371         abort(401)
 372     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 373     if choice is None:
 374         abort(404)
 375     if request.method == 'POST':
 376         g.db.execute('update choices set name=? where id = ? and id_vote = ?', [request.form['title'], choiceid, voteid])
 377         g.db.commit()
 378     elif request.method == 'DELETE': # :COMMENT:maethor:20120528: I can't find how to use it from template
 379         g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 380         g.db.commt()
 381     return redirect(url_for('admin_vote_edit', voteid=voteid))
 382
 383 @app.route('/admin/votes/deletechoice/<voteid>/<choiceid>')
 384 def admin_vote_deletechoice(voteid, choiceid):
 385     if not session.get('user').get('is_admin'):
 386         abort(401)
 387     choice = query_db('select * from choices where id = ? and id_vote = ?', [choiceid, voteid], one=True)
 388     if choice is None:
 389         abort(404)
 390     g.db.execute('delete from choices where id = ? and id_vote = ?', [choiceid, voteid])
 391     g.db.commit()
 392     return redirect(url_for('admin_vote_edit', voteid=voteid))
 393
 394 #------
 395 # Main
 396
 397 if __name__ == '__main__':
 398     app.run()
 399