示例#1
0
class ContestAttendance(db.Model):
    __tablename__ = 'contest_attendance'

    contest_id = db.Column(db.Integer,
                           db.ForeignKey('contests.id'),
                           primary_key=True)
    student_id = db.Column(db.Integer,
                           db.ForeignKey('students.id'),
                           primary_key=True)
    team_id = db.Column(db.Integer,
                        db.ForeignKey('teams.id'),
                        nullable=True)
    attended = db.Column(db.Boolean,
                         nullable=False)
    contest = db.relationship('Contest',
                              backref='attendance')
    student = db.relationship('Student',
                              backref='attendance')
    team = db.relationship('Team',
                           backref='contest_attendances')

    def __init__(self, contest_id, student_id, attended, team_id=None):
        self.contest_id = contest_id
        self.student_id = student_id
        self.team_id = team_id
        self.attended = attended
示例#2
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class Team(db.Model):
    __tablename__ = 'teams'
    __table_args__ = (
        db.UniqueConstraint(
            'division_id',
            'school_id',
            'name',
        ),
    )

    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(32), nullable=False)
    school_id = db.Column(db.Integer,
                          db.ForeignKey('schools.id'),
                          nullable=False)
    division_id = db.Column(db.Integer, db.ForeignKey('divisions.id'),
                            nullable=False)

    school = db.relationship('School', back_populates='teams')
    division = db.relationship('Division', back_populates='teams')

    scores = db.relationship('Score', back_populates='team')
    # students backref'd

    def __init__(self, name, school_id, division_id):
        self.name = name
        self.school_id = school_id
        self.division_id = division_id
示例#3
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class School(db.Model):
    __tablename__ = 'schools'

    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(256), nullable=False)
    url = db.Column(db.String(64), nullable=False)
    school_grouping_id = db.Column(db.Integer,
                                   db.ForeignKey('school_groupings.id'),
                                   nullable=False)

    # teams, schools, students, coaches
    teams = db.relationship('Team', back_populates='school')
    coaches = db.relationship('User', back_populates='school')
    students = db.relationship('Student', back_populates='school')
    # divisions backref'd
    codes = db.relationship('RegistrationCode', back_populates='school')

    school_grouping = db.relationship('SchoolGrouping',
                                      back_populates='schools')

    def __init__(self, name, url, groupId):
        self.name = name
        self.url = url
        self.school_grouping_id = groupId

    # TODO - sqlify this method
    def getDivisionsList(self):
        schools_divisions = []
        for team in self.teams:
            division = team.division
            if division not in schools_divisions:
                schools_divisions.append(division)
        return schools_divisions
示例#4
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class RegistrationCode(db.Model):
    __tablename__ = 'register_codes'
    school_id = db.Column(
        db.Integer,
        db.ForeignKey('schools.id'),
        nullable=False,
    )
    code = db.Column(db.String(16),
                     nullable=False,
                     unique=True,
                     primary_key=True)
    user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=True)
    issuer_id = db.Column(db.Integer,
                          db.ForeignKey('users.id'),
                          nullable=False)

    school = db.relationship('School', back_populates='codes')
    used_by = db.relationship('User',
                              foreign_keys=[user_id],
                              backref='code',
                              uselist=False)
    issuer = db.relationship('User',
                             foreign_keys=[issuer_id],
                             backref='issued_codes')

    def __init__(self, school_id, issuer_id, code=None):
        # TODO - edge case check for redundant codes
        if not code:
            self.code = hex(0x100000 +
                            secrets.randbelow(0xffffff - 0x100000))[2:]
        else:
            self.code = code
        self.school_id = school_id
        self.issuer_id = issuer_id
示例#5
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class SchoolGrouping(db.Model):
    __tablename__ = 'school_groupings'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), nullable=False)
    url = db.Column(db.String(64), nullable=False)

    schools = db.relationship('School', back_populates='school_grouping')

    def __init__(self, name, url):
        self.name = name
        self.url = url
示例#6
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class User(db.Model):
    __tablename__ = 'users'

    id = db.Column(db.Integer, primary_key=True)
    first = db.Column(db.String(32), nullable=False)
    last = db.Column(db.String(64), nullable=False)
    email = db.Column(db.String(64), nullable=False)
    phone_num = db.Column(db.String(32), nullable=True)
    username = db.Column(db.String(32), nullable=False)
    password = db.Column(db.Binary(60), nullable=False)
    is_admin = db.Column(db.Boolean, nullable=False, default=False)
    approval_status = db.Column(db.Integer, nullable=False, default=1)
    school_id = db.Column(db.Integer, db.ForeignKey('schools.id'))

    school = db.relationship('School', back_populates='coaches')
    scores = db.relationship('Score', back_populates='coach')
    # code and issued_codes backref'd

    students = db.relationship('Student',
                               secondary='schools',
                               secondaryjoin='School.id==Student.school_id',
                               primaryjoin='School.id==User.school_id',
                               backref='coaches')

    def __init__(self, first, last, email, phone_num, username, password,
                 is_admin):
        self.first = first
        self.last = last
        self.email = email
        self.phone_num = phone_num
        self.is_admin = is_admin
        self.username = username
        self.setPassword(password)

    def setPassword(self, newpass):
        self.password = bcrypt.hashpw(newpass.encode("utf-8"),
                                      bcrypt.gensalt(12))

    def checkPassword(self, password):
        return bcrypt.checkpw(password.encode("utf-8"), self.password)

    def isAdmin(self):
        return self.is_admin

    def isApproved(self):
        return self.isAdmin() or self.approval_status > 0

    def isSchoolAdmin(self, school):
        return self.isAdmin() or (self.isApproved()
                                  and self.school_id == school.id)
示例#7
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class Category(db.Model):
    __tablename__ = 'categories'
    id = db.Column(db.Integer, primary_key=True)
    parent_id = db.Column(db.Integer, db.ForeignKey('categories.id'))
    name = db.Column(db.String(128))
    description = db.Column(db.UnicodeText())

    subcategories = db.relationship(
        'Category',
        backref=db.backref('supercategory', remote_side=[id]))
    first_order_questions = db.relationship(
        'Question',
        secondary=question_category_table,
        backref='categories')
示例#8
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class StudentDivisionAssociation(db.Model):
    __tablename__ = 'student_division_assoc'
    student_id = db.Column(db.Integer,
                           db.ForeignKey('students.id'),
                           nullable=False,
                           primary_key=True)
    division_id = db.Column(db.Integer,
                            db.ForeignKey('divisions.id'),
                            nullable=False,
                            primary_key=True)
    is_alternate = db.Column(db.Boolean, nullable=False, default=False)
    team_id = db.Column(db.Integer, db.ForeignKey('teams.id'), nullable=True)

    student = db.relationship('Student', backref='division_associations')
    division = db.relationship('Division', backref='student_associations')
    team = db.relationship('Team', backref='student_associations')
示例#9
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class Season(db.Model):

    __tablename__ = 'seasons'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), unique=True, nullable=False)
    url = db.Column(db.String(32), unique=True, nullable=False)
    start_date = db.Column(db.Date(), nullable=False)
    end_date = db.Column(db.Date(), nullable=False)

    divisions = db.relationship('Division', back_populates='season')

    def __init__(self, name, url, start_date, end_date):
        self.name = name
        self.url = url
        self.start_date = start_date
        self.end_date = end_date

    # TODO : write this
    @classmethod
    def current(cls):
        current_time = datetime.datetime.utcnow()
        return Season.query.filter(Season.start_date <= current_time,
                                   Season.end_date >= current_time)
示例#10
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class Question(db.Model):
    __tablename__ = 'questions'
    __table_args__ = (
        db.ForeignKeyConstraint(
            ['contest_id'],
            ['contests.id']),
        db.UniqueConstraint('contest_id', 'question_num'),
    )
    id = db.Column(db.Integer,
                   primary_key=True)
    contest_id = db.Column(db.Integer,
                           nullable=False)
    question_num = db.Column(db.Integer,
                             autoincrement=False,
                             nullable=False)
    question_string = db.Column(db.UnicodeText(),
                                nullable=True)
    question_value = db.Column(db.Integer,
                               nullable=False,
                               default=1)

    # categories relation back-reffed
    scores = db.relationship('Score',
                             back_populates='question')
    contest = db.relationship('Contest',
                              back_populates='questions')

    def __init__(self, contest_id, question_num,
                 question_string=None,
                 question_value=1):
        self.contest_id = contest_id
        self.question_num = question_num
        self.question_string = question_string
        self.question_value = question_value

    def getMaxScore(self):
        return self.question_value
示例#11
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class PasswordReset(db.Model):
    __tablename__ = 'password_resets'
    __table_args__ = (db.UniqueConstraint('code', ), )
    id = db.Column(db.Integer, primary_key=True)
    user_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
    code = db.Column(db.String(16), nullable=False)
    expiration_time = db.Column(db.DateTime(), nullable=False)
    used = db.Column(db.Boolean, nullable=False, default=False)

    def __init__(self, user_id, code=None, expiration_time=None):
        self.user_id = user_id
        if code:
            self.code = code
        else:
            self.code = hex(0x100000 +
                            secrets.randbelow(0xffffff - 0x100000))[2:]
        while (PasswordReset.query.filter_by(code=self.code).first()):
            self.code = hex(0x100000 +
                            secrets.randbelow(0xffffff - 0x100000))[2:]
        if expiration_time:
            self.expiration_time = expiration_time
        else:
            self.expiration_time = datetime.datetime.utcnow() \
                + datetime.timedelta(minutes=30)
示例#12
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class Score(db.Model):
    __tablename__ = 'scores'
    id = db.Column(db.Integer, primary_key=True)
    points_awarded = db.Column(db.Integer,
                               nullable=False)
    student_id = db.Column(db.Integer,
                           db.ForeignKey('students.id'),
                           nullable=False)
    question_id = db.Column(db.Integer,
                            db.ForeignKey('questions.id'),
                            nullable=False)
    coach_id = db.Column(db.Integer,
                         db.ForeignKey('users.id'),
                         nullable=False)
    team_id = db.Column(db.Integer,
                        db.ForeignKey('teams.id'),
                        nullable=True)
    timestamp = db.Column(db.DateTime(),
                          nullable=False)

    # relationships
    student = db.relationship('Student', back_populates='scores')
    coach = db.relationship('User', back_populates='scores')
    team = db.relationship('Team', back_populates='scores')
    question = db.relationship('Question', back_populates='scores')

    contest = db.relationship(
        'Contest',
        secondary='questions',
        secondaryjoin='Contest.id==Question.contest_id',
        primaryjoin='Question.id==Score.question_id',
        backref='scores',
        uselist=False
        )

    def getValue(self):
        return self.points_awarded

    def setValue(self, value):
        self.points_awarded = value

    def getQuestionNum(self):
        return self.question_num

    def getQuestion(self):
        return self.question

    def getMaxPoints(self):
        return self.getQuestion().getMaxScore()
示例#13
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class Contest(db.Model):

    __tablename__ = 'contests'

    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(32), nullable=False)
    start_time = db.Column(db.DateTime(), nullable=False)
    question_count = db.Column(db.Integer,
                               nullable=False,
                               default=6)
    team_size = db.Column(db.Integer, nullable=False,
                          default=5)
    # determines whether competition is active.
    # Negative means disabled, other status codes to be added later
    status = db.Column(db.Integer, nullable=False,
                       default=1)
    division_id = db.Column(db.Integer,
                            db.ForeignKey('divisions.id'),
                            nullable=False)
    division = db.relationship('Division', back_populates='contests')
    questions = db.relationship('Question', back_populates='contest')

    # attendance backreffed
    attending_students = association_proxy(
        'attendance',
        'student',
    )

    def __init__(self, name, start_time, question_count=6, team_size=5):
        self.name = name
        self.start_time = start_time
        self.question_count = question_count
        self.team_size = team_size

    # scores backref'd

    def getQuestionCount(self):
        return self.question_count

    def getTeamSize(self):
        return self.team_size

    def getScores(self):
        return self.scores

    # returns a list of students who have scores for a contest
    def getAttendees(self):
        return self.attending_students

    def isActive(self):
        return self.status < 0

    def getDate(self):
        return self.start_time.date()

    def getQuestion(self, number):
        import iml.models.question as questionModule
        Question = questionModule.Question
        return Question.query. \
            filter_by(contest_id=self.id,
                      question_num=number). \
            first()

    def getHighestPossibleScore(self):
        total = 0
        for i in range(1, self.question_count+1):
            total += self.getQuestion(i).getMaxScore()
        return total
示例#14
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class Division(db.Model):

    __tablename__ = 'divisions'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), nullable=False)
    url = db.Column(db.String(64), nullable=False)

    alternate_limit = db.Column(db.Integer, default=4, nullable=False)
    # hard max on teams, outside of alternates
    # for example, some competitions may have less than
    # 5 people per team, but this determines how many
    # could join the team max (if contest max tends to be under
    # this, this gives teams a stricter alternate that can only
    # play one game, which is a decision IML admins may make
    # at some point
    team_size = db.Column(db.Integer, default=5, nullable=False)

    season_id = db.Column(db.Integer,
                          db.ForeignKey('seasons.id'),
                          nullable=False)
    successor_id = db.Column(db.Integer,
                             db.ForeignKey('divisions.id'),
                             nullable=True,
                             unique=True)

    teams = db.relationship('Team', back_populates='division')
    # students backref'd
    contests = db.relationship('Contest', back_populates='division')
    schools = db.relationship('School',
                              secondary=school_division_table,
                              backref='divisions')

    season = db.relationship('Season', back_populates='divisions')
    parents = db.relationship('Division',
                              backref=db.backref('successor',
                                                 remote_side=[id]))

    def __init__(self,
                 name,
                 url,
                 season_id,
                 alternate_limit=4,
                 successor_id=None):
        self.name = name
        self.url = url
        self.season_id = season_id
        self.alternate_limit = alternate_limit
        self.successor_id = successor_id

    # only returns students who have scores
    def getParticipants(self):
        import iml.models.student as studentModule
        import iml.models.score as scoreModule
        import iml.models.contest as contestModule
        Student = studentModule.Student
        Score = scoreModule.Score
        Contest = contestModule.Contest

        div_id = self.id
        return Student.query.filter(
            Student.scores.any(
                Score.contest.has(Contest.division_id == div_id)))
示例#15
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from iml import db

school_division_table \
    = db.Table('school_division',
               db.Column('school_id',
                         db.Integer,
                         db.ForeignKey('schools.id')),
               db.Column('division_id',
                         db.Integer,
                         db.ForeignKey('divisions.id'))
               )


class Division(db.Model):

    __tablename__ = 'divisions'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), nullable=False)
    url = db.Column(db.String(64), nullable=False)

    alternate_limit = db.Column(db.Integer, default=4, nullable=False)
    # hard max on teams, outside of alternates
    # for example, some competitions may have less than
    # 5 people per team, but this determines how many
    # could join the team max (if contest max tends to be under
    # this, this gives teams a stricter alternate that can only
    # play one game, which is a decision IML admins may make
    # at some point
    team_size = db.Column(db.Integer, default=5, nullable=False)

    season_id = db.Column(db.Integer,
示例#16
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from iml import db


question_category_table  \
    = db.Table('question_category',
               db.Column('question_id',
                         db.Integer,
                         db.ForeignKey('questions.id')),
               db.Column('category_id',
                         db.Integer,
                         db.ForeignKey('categories.id')))


class Category(db.Model):
    __tablename__ = 'categories'
    id = db.Column(db.Integer, primary_key=True)
    parent_id = db.Column(db.Integer, db.ForeignKey('categories.id'))
    name = db.Column(db.String(128))
    description = db.Column(db.UnicodeText())

    subcategories = db.relationship(
        'Category',
        backref=db.backref('supercategory', remote_side=[id]))
    first_order_questions = db.relationship(
        'Question',
        secondary=question_category_table,
        backref='categories')
示例#17
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class Student(db.Model):

    __tablename__ = 'students'

    id = db.Column(db.Integer, primary_key=True)
    first = db.Column(db.String(32), nullable=False)
    last = db.Column(db.String(64), nullable=False)
    username = db.Column(db.String(64), nullable=False)
    nickname = db.Column(db.String(32), nullable=True)
    graduation_year = db.Column(db.Integer, nullable=False)
    creation_timestamp = db.Column(db.DateTime(), nullable=False)

    current_division_id = db.Column(db.Integer,
                                    db.ForeignKey('divisions.id'),
                                    nullable=True)

    current_team_id = db.Column(db.Integer,
                                db.ForeignKey('teams.id'),
                                nullable=True)

    school_id = db.Column(db.Integer,
                          db.ForeignKey('schools.id'),
                          nullable=False)

    school = db.relationship('School', back_populates='students')
    scores = db.relationship('Score', back_populates='student')
    teams = association_proxy('division_associations', 'team')
    divisions = association_proxy('division_associations', 'division')

    # contests backreff'd
    current_division = db.relationship('Division',
                                       foreign_keys=[current_division_id],
                                       backref='current_students')
    current_team = db.relationship('Team',
                                   foreign_keys=[current_team_id],
                                   backref='current_students')
    current_division_assoc = db.relationship(
        'StudentDivisionAssociation',
        primaryjoin="and_(Student.id==StudentDivisionAssociation.student_id,"
        "Student.current_division_id==StudentDivisionAssociation.division_id)",
        uselist=False)
    is_alternate = association_proxy('current_division_assoc', 'is_alternate')
    current_scores = db.relationship(
        'Score',
        viewonly=True,
        secondary="join(Question, Contest, Contest.id==Question.contest_id)."
        "join( Score, Question.id==Score.question_id )",
        primaryjoin="and_(Student.current_division_id==Contest.division_id"
        ",Student.id==Score.student_id)",
        secondaryjoin='Score.question_id==Question.id')

    # if current_team is null, then they are an alternate
    # TODO - replaec team with current team
    # team = db.relationship('Team', back_populates='students')

    def __init__(
        self,
        first,
        last,
        graduation_year,
        school_id,
        current_division_id=None,
        current_team_id=None,
        nickname=None,
    ):
        self.first = first
        self.last = last
        self.graduation_year = graduation_year
        self.nickname = nickname
        self.current_division_id = current_division_id
        self.current_team_id = current_team_id
        username_base = '{}_{}'.format(first[:16], last[:16]).replace(' ', '_')
        username_num = Student.query.filter(
            Student.username.contains(username_base)).count() + 1
        self.username = '******'.format(username_base, username_num).lower()
        self.school_id = school_id
        self.creation_timestamp = datetime.datetime.utcnow()

    def isParticipant(self, contest, team=None) -> bool:
        import iml.models.score as score

        Score = score.Score
        scoresQuery = Score.query.filter_by(contest_id=contest.id,
                                            student_id=self.id)
        if team:
            scoresQuery = scoresQuery.filter_by(team_id=team.id)
        return scoresQuery.count() == contest.getQuestionCount()

    # participant is valid if they don't have scores for another team or are on the team
    # ie they are on the team or they're not on a team
    # AND them being a participant implies they participated for that team. Essetially serves as a
    # check that they have not already had scores entered for another team
    def isValidParticipant(self, contest, team) -> bool:
        return (self.team == team) or (self.team is None and
                                       (not (self.isParticipant(contest))
                                        or self.isParticipant(contest, team)))

    # returns score in a dictionary
    def getScoresDict(self,
                      contest,
                      division=None,
                      team=None) -> Dict[int, int]:
        import iml.models.contest as contestModule
        import iml.models.score as score
        # the name contest was used!

        Score = score.Score
        if contest is None:
            return {}
        else:
            scoresQuery = Score.query.filter_by(contest_id=contest.id,
                                                student_id=self.id)
            if division:
                scoresQuery = scoresQuery.filter_by(division_id=division.id)
            if team:
                scoresQuery = scoresQuery.filter_by(team_id=team.id)
            scoresDict = {}
            for scoreObj in scoresQuery:
                scoresDict[scoreObj.getQuestionNum()] = scoreObj.getValue()
            return scoresDict

    def getAllScoresDict(self,
                         division=None,
                         team=None) -> List[Dict[int, int]]:
        import iml.models.contest as contestModule
        contestsQuery = contestModule.Contest.query.all()
        if division:
            contestsQuery = contestsQuery.filter_by(division_id=division.id)
        if team:
            contestsQuery = contestsQuery.filter_by(team_id=team.id)
        scores = []
        for contest in contestsQuery:
            contestScores = self.getScoresDict(contest)
            if contestScores == {}:
                scores.append(contestScores)
        return scores

    def getTeam(self, contest):
        import iml.models.contest as contestModule
        import iml.models.score as score
        Score = score.Score

        score_sample = Score.query.filter_by(contest_id=contest.id,
                                             student_id=self.id).first()
        if score_sample:
            return score_sample.team
        return None

    # returns actual final score
    def getFinalContestScore(self, contest):
        return sum(self.getScoresDict(contest).values())

    def getFinalScore(self):
        return sum(self.getAllScoresDict().values())

    def getUserId(self):
        return self.id

    def get_user_id(self):
        return self.getUserId()