class Member(db.Model):
id = db.Column(db.Integer, primary_key=True)
source = db.Column(db.String(20), default="manual") # ldap|manual
type = db.Column(db.String(10))
polls = db.relationship("Poll", backref="owner", lazy="dynamic")
__mapper_args__ = {
'polymorphic_identity': 'member',
'polymorphic_on': type
}
class Group(Member):
id = db.Column(db.Integer, db.ForeignKey("member.id"), primary_key=True)
name = db.Column(db.String(80))
identifier = db.Column(db.String(80))
admin_id = db.Column(db.Integer, db.ForeignKey("user.id"))
# relationships
users = db.relationship("User",
backref="groups",
lazy="dynamic",
secondary="group_users")
__mapper_args__ = {
'polymorphic_identity': 'group',
}
@property
def displayname(self):
return self.name
@property
def changeable(self):
return self.source == "manual"
class ChoiceValue(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(80))
icon = db.Column(db.String(64))
color = db.Column(db.String(6))
poll_id = db.Column(db.Integer, db.ForeignKey("poll.id"))
deleted = db.Column(db.Boolean, default=False)
weight = db.Column(db.Float, default=0.0)
# relationships
vote_choices = db.relationship("VoteChoice",
backref="value",
lazy="dynamic")
def __init__(self, title="", icon="question", color="EEEEEE", weight=0.0):
self.title = title
self.icon = icon
self.color = color
self.weight = weight
def to_dict(self):
return dict(id=self.id,
title=self.title,
icon=self.title,
color=self.color,
deleted=self.deleted,
weight=self.weight)
def copy(self):
n = ChoiceValue()
n.title = self.title
n.icon = self.icon
n.color = self.color
n.deleted = self.deleted
n.weight = self.weight
n.poll = self.poll
return n
class Vote(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80))
poll_id = db.Column(db.Integer, db.ForeignKey("poll.id"))
user_id = db.Column(db.Integer, db.ForeignKey("user.id"))
anonymous = db.Column(db.Boolean, default=False)
assigned_by_id = db.Column(db.Integer, db.ForeignKey("user.id"))
created = db.Column(db.DateTime)
comment = db.Column(db.Text)
invitation = db.relationship("Invitation", backref="vote", lazy="dynamic")
def __init__(self):
self.created = datetime.utcnow()
# relationship
vote_choices = db.relationship("VoteChoice",
backref="vote",
cascade="all, delete-orphan",
lazy="dynamic")
@property
def assigned(self):
return self.assigned_by and self.assigned_by != self.user
def user_can_delete(self, user):
# disallow on deleted/expired polls
if self.poll.deleted or self.poll.is_expired: return False
# only if logged in
if not user.is_authenticated(): return False
# allow for poll author
if self.poll.user_can_administrate(user): return True
# allow for user
if self.user and self.user == user: return True
# allow for admin
if user.is_admin: return True
# disallow
return False
def user_can_edit(self, user):
# disallow on deleted/expired polls
if self.poll.deleted or self.poll.is_expired: return False
# allow for poll author
if self.poll.user_can_administrate(user): return True
# allow for admin
if user.is_authenticated() and user.is_admin: return True
# allow for creator
if self.user: return user == self.user
# allow everyone, if no creator
return True
@property
def displayname(self):
return "anonymous" if self.anonymous else (
self.user.displayname if self.user else (self.name or "unknown"))
def to_dict(self):
return dict(
id=self.id,
displayname=self.displayname,
name=self.name if not self.anonymous else None,
user_id=self.user_id if not self.anonymous else 0,
vote_choices={vc.id: vc.to_dict()
for vc in self.vote_choices},
anonymous=self.anonymous)
class Poll(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(80))
description = db.Column(db.Text)
slug = db.Column(db.String(80))
type = db.Column(db.String(20), default="normal") # PollType
created = db.Column(db.DateTime)
owner_id = db.Column(db.Integer, db.ForeignKey("member.id"))
# === Extra settings ===
due_date = db.Column(db.DateTime)
anonymous_allowed = db.Column(db.Boolean, default=True)
public_listing = db.Column(db.Boolean, default=False)
require_login = db.Column(db.Boolean, default=False)
require_invitation = db.Column(db.Boolean, default=False)
show_results = db.Column(
db.String(20), default="complete"
) # summary|complete|never|summary_after_vote|complete_after_vote
send_mail = db.Column(db.Boolean, default=False)
one_vote_per_user = db.Column(db.Boolean, default=True)
allow_comments = db.Column(db.Boolean, default=True)
deleted = db.Column(db.Boolean, default=False)
show_invitations = db.Column(db.Boolean, default=True)
timezone_name = db.Column(db.String(40))
# Type: numeric
amount_minimum = db.Column(db.Float, default=0)
amount_maximum = db.Column(db.Float, default=None)
amount_step = db.Column(db.Float, default=1)
RESERVED_NAMES = [
"login", "logout", "index", "user", "admin", "api", "register",
"static"
]
# relationships
choices = db.relationship("Choice",
backref="poll",
cascade="all, delete-orphan",
lazy="dynamic")
choice_values = db.relationship("ChoiceValue",
backref="poll",
lazy="dynamic")
watchers = db.relationship("PollWatch",
backref="poll",
cascade="all, delete-orphan",
lazy="dynamic")
comments = db.relationship("Comment",
backref="poll",
cascade="all, delete-orphan",
lazy="dynamic")
votes = db.relationship("Vote",
backref="poll",
cascade="all, delete-orphan",
lazy="dynamic")
invitations = db.relationship("Invitation",
backref="poll",
cascade="all, delete-orphan",
lazy="dynamic")
_vote_choice_map = None
_choices = None
def __init__(self,
title=None,
slug=None,
type=None,
create_choice_values=True):
if title:
self.title = title
if slug:
self.slug = slug
if type:
self.type = type
self.created = datetime.utcnow()
# create yes/no/maybe default choice values
if create_choice_values:
self.choice_values.append(ChoiceValue("yes", "check", "9C6", 1.0))
self.choice_values.append(ChoiceValue("no", "ban", "F96", 0.0))
self.choice_values.append(
ChoiceValue("maybe", "question", "FF6", 0.5))
@property
def is_expired(self):
return self.due_date and self.due_date < datetime.utcnow()
def numeric_format(self, extra_digits=0):
if not self.type == PollType.numeric:
raise TypeError("Poll %s is not of type numeric." % self.slug)
def get_decimal_places(val):
decimals = str(val).rstrip("0").split(".")
return len(decimals[1]) if (len(decimals) > 1) else 0
return "%%.%df" % (max(
map(get_decimal_places,
[self.amount_step, self.amount_maximum, self.amount_minimum]))
+ extra_digits)
def invite(self, user):
result = True
invitation = Invitation.query.filter_by(poll_id=self.id,
user_id=user.id).first()
if invitation:
return False
invitation = Invitation()
invitation.user = user
invitation.poll = self
if current_user.is_authenticated:
invitation.creator = current_user
vote = Vote.query.filter_by(poll_id=self.id, user_id=user.id).first()
if vote:
# create an invitation, just to track them
invitation.vote = vote
result = False
db.session.add(invitation)
invitation.send_mail()
return result
def invite_all(self, users):
invited = []
failed = []
users = list(set(users))
for user in users:
if not user: continue
if self.invite(user):
invited.append(user)
else:
failed.append(user)
return invited, failed
def show_votes(self, user):
return self.user_can_administrate(user) \
or self.show_results == "complete" \
or (self.show_results == "complete_after_vote" and self.is_expired)
def show_summary(self, user):
return self.user_can_administrate(user) \
or self.show_votes(user) \
or self.show_results == "summary" \
or (self.show_results == "summary_after_vote" and self.is_expired)
@property
def has_choices(self):
return len(self.get_choices()) > 0
def get_url(self):
return url_for("poll", slug=self.slug)
def get_vote_choice(self, vote, choice):
if not self._vote_choice_map:
self._vote_choice_map = {
vote: {
vote_choice.choice: vote_choice
for vote_choice in vote.vote_choices
}
for vote in self.votes
}
try:
return self._vote_choice_map[vote][choice]
except KeyError:
return None
# return VoteChoice.query.filter_by(vote=vote, choice=choice).first()
def get_choices(self):
if self._choices is None:
self._choices = Choice.query.filter_by(poll_id=self.id,
deleted=False).all()
self._choices.sort(key=Choice.get_hierarchy)
return self._choices
def get_choice_values(self):
return ChoiceValue.query.filter_by(poll_id=self.id,
deleted=False).all()
def get_choice_by_id(self, id):
return Choice.query.filter_by(poll_id=self.id, id=id).first()
def get_choice_dates(self):
return list(set(choice.date.date() for choice in self.get_choices()))
def get_choice_times(self):
return list(set(choice.date.time() for choice in self.get_choices()))
def has_choice_date_time(self, date, time):
dt = datetime.combine(date, time)
return [
choice for choice in self.get_choices()
if choice.date == dt and not choice.deleted
]
def user_can_administrate(self, user):
# Owners may administrate
if self.owner and user.is_authenticated and user.is_member(self.owner):
return True
# Admins may administrate
if (user.is_authenticated and user.is_admin): return True
# Everyone else may not
return False
def user_can_edit(self, user):
# If no owner is set, everyone may edit
if not self.owner: return True
# Owners may edit
if user.is_authenticated and user.is_member(self.owner): return True
# Admins may edit
if user.is_authenticated and user.is_admin: return True
# Everyone else may not
return False
def get_user_votes(self, user):
return [] if user.is_anonymous else Vote.query.filter_by(
poll=self, user=user).all()
def check_expiry(self):
if self.is_expired:
raise PollExpiredException(self)
def check_edit_permission(self):
if not self.user_can_edit(current_user):
raise PollActionException(self, lazy_gettext("edit"))
# returns a list of groups
# each group is sorted
# the groups are sorted by first item
def get_choice_groups(self):
groups = {}
for choice in self.get_choices():
hierarchy = choice.get_hierarchy()
group = groups
for part in hierarchy[:-1]:
if not part in group:
group[part] = {}
group = group[part]
group[hierarchy[-1]] = choice
return groups
def choice_groups_valid(self, left_hierarchy, ignore_id=None):
for right in self.get_choices():
if ignore_id is not None and right.id == ignore_id:
continue
right_hierarchy = right.get_hierarchy()
smaller = min([len(left_hierarchy), len(right_hierarchy)])
if left_hierarchy[:smaller] == right_hierarchy[:smaller]:
return False
return True
# Weird algorithm. Required for poll.jade and vote.jade
def get_choice_group_matrix(self):
matrix = [choice.get_hierarchy() for choice in self.get_choices()]
matrix = [[[item, 1, 1] for item in row] for row in matrix]
width = max(len(row) for row in matrix)
def fill(row, length):
if len(row) >= length: return
row.append([None, 1, 1])
fill(row, length)
for row in matrix:
fill(row, width)
# Merge None left to determine depth
for i in range(width - 1, 0, -1):
for row in matrix:
if row[i][0] is None:
row[i - 1][1] = row[i][1] + 1
# Merge items up and replace by None
for i in range(len(matrix) - 1, 0, -1):
for j in range(width):
if matrix[i][j][0] == matrix[
i - 1][j][0] and matrix[i][j][1] == matrix[i -
1][j][1]:
matrix[i - 1][j][2] = matrix[i][j][2] + 1
matrix[i][j][0] = None
# cut off time column in day mode, only use date field
if self.type == PollType.date:
matrix = [[row[0]] for row in matrix]
return matrix
def get_choices_by_group(self, group):
return [
choice for choice in self.get_choices() if choice.group == group
]
def get_comments(self):
return Comment.query.filter_by(poll=self, deleted=False).order_by(
db.asc(Comment.created)).all()
def fill_vote_form(self, form):
while form.vote_choices:
form.vote_choices.pop_entry()
for choice in self.get_choices():
form.vote_choices.append_entry(dict(choice_id=choice.id))
for subform in form.vote_choices:
subform.value.choices = [(v.id, v.title)
for v in self.get_choice_values()]
def get_stats(self):
if self.type == PollType.numeric:
totals = {}
counts = {}
averages = {}
for choice in self.choices:
amounts = [
vote_choice.amount for vote_choice in choice.vote_choices
]
counts[choice] = len(amounts)
totals[choice] = sum(amounts)
averages[
choice] = totals[choice] / counts[choice] if amounts else 0
return totals, counts, averages
else:
counts = {}
for choice in self.choices:
counts[choice] = choice.get_counts()
scores = {}
totals = {}
for choice, choice_counts in counts.items():
totals[choice] = choice.vote_choices.count()
scores[choice] = 0
for value, count in choice_counts.items():
scores[choice] += count * value.weight
max_score = max(scores.values())
return scores, counts, totals, max_score
def is_watching(self, user):
return PollWatch.query.filter_by(poll=self, user=user).first()
def send_watchers(self, subject, template, **kwargs):
with mail.record_messages() as outbox:
with mail.connect() as conn:
for watcher in self.watchers:
user = watcher.user
msg = Message(recipients=[user.email],
subject=subject,
body=render_template(template,
poll=self,
user=user,
**kwargs))
conn.send(msg)
def to_dict(self):
dictify = lambda l, f=(lambda x: True
): {i.id: i.to_dict()
for i in l if f(i)}
return dict(choices=dictify(self.choices, lambda c: not c.deleted),
choice_values=dictify(self.choice_values,
lambda c: not c.deleted),
votes=dictify(self.votes),
comments=dictify(self.comments, lambda c: not c.deleted),
choice_groups=[[choice.id for choice in group]
for group in self.get_choice_groups()])
@property
def last_changed(self):
dates = []
dates.append(self.created)
if self.due_date:
dates.append(self.due_date)
for vote in self.votes:
dates.append(vote.created)
for comment in self.comments:
dates.append(comment.created)
dates = [date for date in dates if date]
return max(dates)
@property
def timezone(self):
return timezone(self.timezone_name) if self.timezone_name else None
@property
def localization_context(self):
return LocalizationContext(current_user, self)
@property
def should_auto_delete(self):
return self.last_changed + timedelta(days=60) < datetime.utcnow()
def get_choice_range(self):
values = [choice.value for choice in self.get_choices()]
if not values: return None, None
out = min(values), max(values)
if self.type == PollType.datetime:
out = [v.datetime for v in out]
return out
def get_mac(self, user_id=None):
"""
Generates a mac for actions on a poll
:param user_id: The id from the user the mac is for. If it is None the current_user.id is used
:return: String
"""
if not user_id:
user_id = current_user.id
to_sign = '{}/{}'.format(self.slug, user_id)
return hmac.new(app.config['SECRET_KEY'], to_sign).hexdigest()
class Choice(db.Model):
id = db.Column(db.Integer, primary_key=True)
text = db.Column(db.String(80))
date = db.Column(db.DateTime)
poll_id = db.Column(db.Integer, db.ForeignKey("poll.id"))
deleted = db.Column(db.Boolean, default=False)
# relationships
vote_choices = db.relationship("VoteChoice",
backref="choice",
lazy="dynamic")
def __init__(self, content=None, poll=None):
if content:
if isinstance(content, str):
self.text = content
elif isinstance(content, datetime):
self.date = content
else:
raise ValueError("Invalid content type for choice: %s" %
type(content))
if poll:
self.poll = poll
def __cmp__(self, other):
return cmp(self.date, other.date) or cmp(
self.deleted, other.deleted) or cmp(self.text, other.text)
def get_counts(self):
counts = {vc: 0 for vc in self.poll.choice_values}
for vote_choice in self.vote_choices:
if vote_choice.value:
counts[vote_choice.value] += 1
return counts
def get_hierarchy(self):
if self.date:
return [
PartialDateTime(self.date, DateTimePart.date,
self.poll.localization_context),
PartialDateTime(self.date, DateTimePart.time,
self.poll.localization_context)
]
else:
return [part.strip() for part in self.text.split("/") if part]
def to_dict(self):
return dict(id=self.id,
text=self.text,
date=str(self.date),
deleted=self.deleted)
@property
def title(self):
from dudel.filters import date, datetime
from dudel.models.poll import PollType
if self.poll.type == PollType.date:
return date(self.date, ref=self.poll)
elif self.poll.type == PollType.datetime:
return datetime(self.date, ref=self.poll.localization_context)
else:
return Markup(
'<i class="fa fa-chevron-right choice-separator"></i>').join(
self.get_hierarchy())
# return self.text
@property
def value(self):
from dudel.models.poll import PollType
if self.poll.type == PollType.date:
return PartialDateTime(self.date, DateTimePart.date,
self.poll.localization_context)
elif self.poll.type == PollType.datetime:
return self.date
else:
return self.text
def copy(self):
n = Choice()
n.text = self.text
n.date = self.date
n.poll = self.poll
n.deleted = self.deleted
return n
class User(Member):
id = db.Column(db.Integer, db.ForeignKey("member.id"), primary_key=True)
firstname = db.Column(db.String(80))
lastname = db.Column(db.String(80))
username = db.Column(db.String(80))
password = db.Column(db.LargeBinary)
_displayname = db.Column(db.String(80))
email = db.Column(db.String(80))
preferred_language = db.Column(db.String(80))
autowatch = db.Column(db.Boolean, default=False)
allow_invitation_mails = db.Column(db.Boolean, default=True)
timezone_name = db.Column(db.String(40))
# relationships
watches = db.relationship("PollWatch",
backref="user",
cascade="all, delete-orphan",
lazy="dynamic")
groups_admin = db.relationship("Group",
backref="admin",
lazy="dynamic",
foreign_keys=[Group.admin_id])
comments = db.relationship("Comment", backref="user", lazy="dynamic")
invitations = db.relationship("Invitation",
backref="user",
lazy="dynamic",
foreign_keys=[Invitation.user_id])
invitations_created = db.relationship("Invitation",
backref="creator",
lazy="dynamic",
foreign_keys=[Invitation.creator_id])
votes = db.relationship("Vote",
backref="user",
lazy="dynamic",
foreign_keys=[Vote.user_id])
votes_assigned = db.relationship("Vote",
backref="assigned_by",
lazy="dynamic",
foreign_keys=[Vote.assigned_by_id])
__mapper_args__ = {
'polymorphic_identity': 'user',
}
def __init__(self,
username=None,
firstname=None,
lastname=None,
email=None,
password=None):
self.username = username
self.firstname = firstname
self.lastname = lastname
self.email = email
self.set_password(password)
@property
def displayname(self):
return self._displayname or (
(app.config["NAME_FORMAT"] if "NAME_FORMAT" in app.config else
"%(firstname)s (%(username)s)") % {
"firstname": self.firstname,
"lastname": self.lastname,
"username": self.username,
"email": self.email
})
@property
def timezone(self):
return pytz.timezone(
self.timezone_name) if self.timezone_name else default_timezone
# login stuff
def get_id(self):
return self.username
def is_active(self):
return True
def is_anonymous(self):
return False
def is_authenticated(self):
return True
@property
def is_admin(self):
return "ADMINS" in app.config and self.username in app.config["ADMINS"]
def require_admin(self):
if not self.is_authenticated() or not self.is_admin:
abort(403)
def set_password(self, password):
self.password = hash_password(password.encode("ascii"))
def get_avatar(self, size):
return gravatar(self.email, size)
def is_member(self, of):
if not of: return False
if of.type == "user":
return of == self
else:
return self in of.users
@property
def poll_list(self):
from dudel.models.poll import Poll
from dudel.models.group import Group, group_users
# Polls I watched
watched = [watch.poll for watch in self.watches]
# Owned by myself
owned = self.polls.filter_by(deleted=False).all()
# Owned by groups I am member of
owned += Poll.query.filter_by(
deleted=False).join(Group).join(group_users).filter_by(
user_id=self.id).all()
# Polls I voted on
voted = [vote.poll for vote in self.votes]
# Polls I am invited to
invited = [invite.poll for invite in self.invitations]
# All of them, filtered, without duplicates, sorted
my_polls = watched + owned + voted + invited
my_polls = [poll for poll in my_polls if not poll.deleted]
my_polls = list(set(my_polls))
my_polls.sort(key=lambda x: x.created, reverse=True)
return my_polls
def __repr__(self):
return "<User:%s>" % self.displayname
def is_invited(self, poll):
return self.invitations.filter_by(poll_id=poll.id).count() > 0