/
database_setup.py
365 lines (326 loc) · 16.7 KB
/
database_setup.py
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import os
import sys
from flask import flash
from sqlalchemy import Column, ForeignKey, Integer, String, VARCHAR, TIMESTAMP, UniqueConstraint
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
from sqlalchemy import create_engine
from sqlalchemy.sql import func
from ConfigParser import SafeConfigParser
from flask.ext.wtf import Form
from wtforms import IntegerField, TextField, validators, FieldList, FormField, TextAreaField, HiddenField, RadioField, SelectField, PasswordField
from wtforms.validators import Required, Length, Optional
from wtforms import Form as WTForm
from itsdangerous import TimedJSONWebSignatureSerializer
Base = declarative_base()
class Student(Base):
__tablename__ = 'student'
user_name = Column(VARCHAR(15), primary_key=True)
first_name = Column(VARCHAR(50), nullable=False)
last_name = Column(VARCHAR(50), nullable=False)
email = Column(VARCHAR(50))
login_pwd = Column(VARCHAR(50))
create_time = Column(TIMESTAMP, nullable=False, server_default=func.now())
alias_name = Column(VARCHAR(11))
is_active = Column(Integer, server_default='1')
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'first_name': self.first_name,
'last_name': self.last_name,
'user_name': self.user_name,
'email': self.email,
'alias_name': self.alias_name,
'login_pwd': self.login_pwd
}
def get_token(self, expiration=300):
s = TimedJSONWebSignatureSerializer('keyconfidential', expiration)
return s.dumps(self.user_name).decode('utf-8')
@staticmethod
def verify_token(token):
s = TimedJSONWebSignatureSerializer('keyconfidential')
try:
data = s.loads(token)
except:
return None
return data
class Semester(Base):
__tablename__ = 'semester'
__table_args__ = (
UniqueConstraint('year', 'season', 'course_no'),
)
year = Column(Integer, nullable=False)
season = Column(VARCHAR(11), nullable=False)
create_time = Column(TIMESTAMP, nullable=False, server_default=func.now())
id = Column(Integer, primary_key=True, autoincrement=True)
course_no = Column(VARCHAR(11), nullable=False)
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'year': self.year,
'season': self.season,
'id': self.id,
'course_no': self.course_no,
}
class Manager_Eval(Base):
__tablename__ = 'manager_eval'
manager_id = Column(Integer, primary_key=True, autoincrement=True)
approachable_attitude = Column(Integer, nullable=False)
team_communication = Column(Integer, nullable=False)
client_interaction = Column(Integer, nullable=False)
decision_making = Column(Integer, nullable=False)
resource_utilization = Column(Integer, nullable=False)
follow_up_to_completion = Column(Integer, nullable=False)
task_delegation_and_ownership = Column(Integer, nullable=False)
encourage_team_development = Column(Integer, nullable=False)
realistic_expectation = Column(Integer, nullable=False)
performance_under_stress = Column(Integer, nullable=False)
mgr_description = Column(String(4096), nullable=False)
def parse(self, encryptedManagerEval):
self.approachable_attitude = encryptedManagerEval.approachable_attitude
self.team_communication = encryptedManagerEval.team_communication
self.client_interaction = encryptedManagerEval.client_interaction
self.decision_making = encryptedManagerEval.decision_making
self.resource_utilization = encryptedManagerEval.resource_utilization
self.follow_up_to_completion = encryptedManagerEval.follow_up_to_completion
self.task_delegation_and_ownership = encryptedManagerEval.task_delegation_and_ownership
self.encourage_team_development = encryptedManagerEval.encourage_team_development
self.realistic_expectation = encryptedManagerEval.realistic_expectation
self.performance_under_stress = encryptedManagerEval.performance_under_stress
self.mgr_description = encryptedManagerEval.mgr_description
class EncryptedManagerEval(Base):
__tablename__ = 'encrypted_manager_eval'
manager_id = Column(Integer, primary_key=True, autoincrement=True)
approachable_attitude = Column(String(128), nullable=False)
team_communication = Column(String(128), nullable=False)
client_interaction = Column(String(128), nullable=False)
decision_making = Column(String(128), nullable=False)
resource_utilization = Column(String(128), nullable=False)
follow_up_to_completion = Column(String(128), nullable=False)
task_delegation_and_ownership = Column(String(128), nullable=False)
encourage_team_development = Column(String(128), nullable=False)
realistic_expectation = Column(String(128), nullable=False)
performance_under_stress = Column(String(128), nullable=False)
mgr_description = Column(String(4096), nullable=False)
def parse(self, rawManagerEval):
self.approachable_attitude = rawManagerEval.approachable_attitude
self.team_communication = rawManagerEval.team_communication
self.client_interaction = rawManagerEval.client_interaction
self.decision_making = rawManagerEval.decision_making
self.resource_utilization = rawManagerEval.resource_utilization
self.follow_up_to_completion = rawManagerEval.follow_up_to_completion
self.task_delegation_and_ownership = rawManagerEval.task_delegation_and_ownership
self.encourage_team_development = rawManagerEval.encourage_team_development
self.realistic_expectation = rawManagerEval.realistic_expectation
self.performance_under_stress = rawManagerEval.performance_under_stress
self.mgr_description = rawManagerEval.mgr_description
class Evaluation(Base):
__tablename__ = 'evaluation'
evaler_id = Column(VARCHAR(10), ForeignKey(Student.user_name, onupdate="CASCADE", ondelete="CASCADE"), primary_key=True, autoincrement=False)
evalee_id = Column(VARCHAR(10), ForeignKey(Student.user_name, onupdate="CASCADE", ondelete="CASCADE"), primary_key=True, autoincrement=False)
week = Column(Integer, primary_key=True, autoincrement=False)
rank = Column(Integer, nullable=False)
token = Column(Integer, nullable=False)
description = Column(String(4096), nullable=False)
submission_time = Column(TIMESTAMP, nullable=False, server_default=func.now(), onupdate=func.current_timestamp())
adjective = Column(String(128), nullable=False)
manager_id = Column(Integer, ForeignKey(EncryptedManagerEval.manager_id, onupdate="CASCADE", ondelete="CASCADE"))
semester_id = Column(Integer, ForeignKey('semester.id', onupdate="CASCADE", ondelete="CASCADE"), primary_key=True)
evaler = relationship(Student, foreign_keys='Evaluation.evaler_id')
evalee = relationship(Student, foreign_keys='Evaluation.evalee_id')
semester = relationship(Semester)
encryptedManagerEval = relationship(EncryptedManagerEval)
def parse(self, encryptedEval):
self.evaler_id = encryptedEval.evaler_id
self.evalee_id = encryptedEval.evalee_id
self.week = encryptedEval.week
#self.rank = encryptedEval.rank
#self.token = encryptedEval.token
#self.description = encryptedEval.description
self.submission_time = encryptedEval.submission_time
#self.adjective = encryptedEval.adjective
self.manager_id = encryptedEval.manager_id
self.semester_id = encryptedEval.semester_id
self.evaler = encryptedEval.evaler
self.evalee = encryptedEval.evalee
self.semester = encryptedEval.semester
self.encryptedManagerEval = encryptedEval.encryptedManagerEval
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'evaler_id': self.evaler_id,
'evalee_id': self.evalee_id,
'week': self.week,
'rank': self.rank,
'token': self.token,
'description': self.description,
'adjective': self.adjective,
}
class EncryptedEvaluation(Base):
__tablename__ = 'encrypted_evaluation'
evaler_id = Column(VARCHAR(10), ForeignKey(Student.user_name, onupdate="CASCADE", ondelete="CASCADE"), primary_key=True, autoincrement=False)
evalee_id = Column(VARCHAR(10), ForeignKey(Student.user_name, onupdate="CASCADE", ondelete="CASCADE"), primary_key=True, autoincrement=False)
week = Column(Integer, primary_key=True, autoincrement=False)
rank = Column(String(128), nullable=False)
token = Column(String(128), nullable=False)
description = Column(String(4096), nullable=False)
submission_time = Column(TIMESTAMP, nullable=False, server_default=func.now(), onupdate=func.current_timestamp())
adjective = Column(String(128), nullable=False)
manager_id = Column(Integer, ForeignKey(EncryptedManagerEval.manager_id, onupdate="CASCADE", ondelete="CASCADE"))
semester_id = Column(Integer, ForeignKey('semester.id', onupdate="CASCADE", ondelete="CASCADE"), primary_key=True)
evaler = relationship(Student, foreign_keys='EncryptedEvaluation.evaler_id')
evalee = relationship(Student, foreign_keys='EncryptedEvaluation.evalee_id')
semester = relationship(Semester)
encryptedManagerEval = relationship(EncryptedManagerEval)
def parse(self, rawEval):
self.evaler_id = rawEval.evaler_id
self.evalee_id = rawEval.evalee_id
self.week = rawEval.week
#self.rank = rawEval.rank
#self.token = rawEval.token
#self.description = rawEval.description
self.submission_time = rawEval.submission_time
#self.adjective = rawEval.adjective
self.manager_id = rawEval.manager_id
self.semester_id = rawEval.semester_id
self.evaler = rawEval.evaler
self.evalee = rawEval.evalee
self.semester = rawEval.semester
self.encryptedManagerEval = rawEval.encryptedManagerEval
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'evaler_id': self.evaler_id,
'evalee_id': self.evalee_id,
'week': self.week,
'rank': self.rank,
'token': self.token,
'description': self.description,
'adjective': self.adjective,
}
class Enrollment(Base):
__tablename__ = 'enrollment'
student_id = Column(VARCHAR(10), ForeignKey('student.user_name', onupdate="CASCADE", ondelete="CASCADE"), primary_key=True)
semester_id = Column(Integer, ForeignKey('semester.id', onupdate="CASCADE", ondelete="CASCADE"), primary_key=True)
student = relationship(Student)
semester = relationship(Semester)
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'student_id': self.student_id,
'semester_id': self.semester_id,
}
class Groups(Base):
__tablename__ = 'groups'
semester_id = Column(Integer, ForeignKey('semester.id', onupdate="CASCADE", ondelete="CASCADE"))
week = Column(Integer, nullable=False)
id = Column(Integer, primary_key=True, autoincrement=True)
name = Column(VARCHAR(50))
assignment_name = Column(VARCHAR(50))
semester = relationship(Semester)
create_time = Column(TIMESTAMP, nullable=False, server_default=func.now())
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'id': self.id,
'week': self.week,
'semester_id': self.semester_id,
'name': self.name,
}
class Group_Student(Base):
__tablename__ = 'group_student'
group_id = Column(Integer, ForeignKey('groups.id', onupdate="CASCADE", ondelete="CASCADE"), primary_key=True)
student_id = Column(VARCHAR(10), ForeignKey('student.user_name', onupdate="CASCADE", ondelete="CASCADE"), primary_key=True)
is_manager = Column(Integer, nullable=False, server_default='0')
student = relationship(Student)
groups = relationship(Groups)
@property
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'student_id': self.student_id,
'group_id': self.group_id,
}
class ManagerEvalForm(WTForm):
choices = [('5','5'), ('4','4'), ('3','3'), ('2','2'), ('1','1')]
approachable = RadioField('Approachable', choices=choices, validators=[Optional()])
communication = RadioField('Communication', choices=choices, validators=[Optional()])
client_interaction = RadioField('Client Interaction', choices=choices, validators=[Optional()])
decision_making = RadioField('Decision Making', choices=choices, validators=[Optional()])
resource_utilization = RadioField('Resource Utilization', choices=choices, validators=[Optional()])
follow_up_to_completion = RadioField('Follow up to completion', choices=choices, validators=[Optional()])
task_delegation_and_ownership = RadioField(u'Task Delegation & Ownership', choices=choices, validators=[Optional()])
encourage_team_development = RadioField('Encourage Team Development', choices=choices, validators=[Optional()])
realistic_expectation = RadioField('Realistic Expectation', choices=choices, validators=[Optional()])
performance_under_stress = RadioField('Performance Under Stress', choices=choices, validators=[Optional()])
class EvalForm(WTForm):
evaler_id = HiddenField('evaler_id', validators=[Required()])
evalee_id = HiddenField('evalee_id', validators=[Required()])
evalee_fname = HiddenField('evalee_fname', validators=[Required()])
evalee_lname = HiddenField('evalee_lname', validators=[Required()])
week = HiddenField('Week', validators=[Required()])
rank = IntegerField('Rank', validators=[Required()])
tokens = IntegerField('Tokens', validators=[Required()])
adjective = TextField('Adjective', validators=[Required(), Length(max=128)])
adjectiveDropDown = SelectField('AdjectiveDropDown', choices = [], validators=[Optional()])
description = TextAreaField('Description', validators=[Required(), Length(max=4096)])
is_manager = IntegerField('is_manager', validators=[Optional()])
managerEval = FormField(ManagerEvalForm)
class EvalListForm(Form):
evaluations = FieldList(FormField(EvalForm))
error = HiddenField('error', validators=[Optional()])
def validate(self):
if not Form.validate(self):
return False
result = True
sum_of_tokens = 0
ranksArray = []
num_of_evals = len(self.evaluations)
for field in self.evaluations:
sum_of_tokens = sum_of_tokens + field['tokens'].data
ranksArray.append(field['rank'].data)
is_manager = field['is_manager'].data
if(is_manager == 1):
result = self.validateManagerForm(field['managerEval'])
if sum_of_tokens != 100:
flash('Sum of Tokens should be 100.')
result = False
ranksArray.sort()
if len(ranksArray)!=len(set(ranksArray)):
flash('Duplicate ranks are NOT allowed.')
result = False
if ranksArray[0] != 1 or ranksArray[num_of_evals-1] != num_of_evals:
flash('Ranks should be assigned from 1 to N.')
result = False
return result
def validateManagerForm(self, managerEval):
result = True
for field in managerEval:
if field.data == 'None':
field.errors.append('Invalid Selection')
result = False
return result
class ResetPassword(Form):
user_name = TextField('User Name', validators=[Required()])
class ResetPasswordSubmit(Form):
user_name = HiddenField('user_name')
password = PasswordField('New Password', validators=[Required()])
confirm = PasswordField('Confirm Password', validators=[Required()])
if __name__ == '__main__':
parser = SafeConfigParser()
parser.read('config.ini')
username = parser.get('login', 'username')
password = parser.get('login', 'password')
schema = parser.get('login', 'schema')
host = parser.get('login', 'host')
port = parser.get('login', 'port')
engine = create_engine('mysql://' + username + ':' + password + '@' + host +':' + port + '/' + schema)
Base.metadata.drop_all(engine)
Base.metadata.create_all(engine)
Base.metadata.tables["evaluation"].drop(bind = engine)