class Homework(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
posts = relationship('Post',
back_populates='homework',
cascade='all, delete-orphan')
due_date = db.Column('due_date', db.DateTime)
course_id = db.Column(db.Integer, ForeignKey('course.id'))
course = relationship('Course', back_populates='homeworks')
def __str__(self):
return self.title
def info(self):
buf = self.title + '\n'
buf += 'Due Date: ' + str(self.due_date) + '\n'
if not self.course is None:
buf += 'Course: {0} {1}'.format(self.course.subject,
self.course.number)
buf += 'Posts:\n'
for post in self.posts:
buf += str(post) + '\n'
return buf
def pretty_date(self):
return self.due_date.strftime('%a, %b %d, %Y at %I:%M %p')
class Answer(db.Model):
id = db.Column(db.Integer, primary_key=True)
text = db.Column(db.BLOB, nullable=False, server_default='This is a fake answer')
correct = db.Column(db.Integer, nullable=False, server_default='1')
post_id = db.Column(db.Integer, ForeignKey('post.id'), nullable=False)
post = relationship('Post', back_populates='answers')
def __str__(self):
return """Text: {0}""".format(self.text)
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(50), nullable=False)
question = db.Column(db.BLOB, nullable=False)
type = db.Column(db.String(20), nullable=False, server_default='auto')
steps = relationship('Step',
back_populates='post',
cascade='all, delete-orphan')
answers = relationship('Answer',
back_populates='post',
cascade='all, delete-orphan')
creation_date = db.Column(db.DateTime, nullable=False)
last_edit_date = db.Column(db.DateTime)
user_id = db.Column(db.Integer, ForeignKey('user.id'))
user = relationship('User', back_populates='posts')
homework_id = db.Column(db.Integer, ForeignKey('homework.id'))
homework = relationship('Homework', back_populates='posts')
def __str__(self):
return """Question Title: {0}
Step Count: {1}""".format(self.title, len(self.steps))
def info(self):
return """Title: {6}
Question: {0}
Steps: {1}
Created: {2}
Last Edited: {3}
User: {4}
Homework: {5}""".format(self.question, self.steps, self.creation_date,
self.last_edit_date, self.user, self.homework,
self.title)
class Step(db.Model):
id = db.Column(db.Integer, primary_key=True)
number = db.Column(db.Integer, nullable=False)
text = db.Column(db.BLOB, nullable=False)
post_id = db.Column(db.Integer, ForeignKey('post.id'))
post = relationship('Post', back_populates='steps')
def __str__(self):
return """Number: {0}
Text: {1}""".format(self.number, self.text)
def info(self):
return """Number: {0}
Text: {1}
Post: {2}""".format(self.number, self.text, self.post)
class School(db.Model):
id = db.Column('id', db.Integer, primary_key=True)
full_name = db.Column('full_name', db.String(200), nullable=False)
short_name = db.Column('short_name', db.String(100))
courses = relationship('Course', back_populates='school')
def __str__(self):
return self.full_name
def info(self):
buf = '{0} ({1})'.format(self.full_name, self.short_name) + '\n'
for course in self.courses:
buf += '{0} {1} on {2} -- {3}'.format(
course.subject, course.number, course.course_times,
course.professor_name) + '\n'
return buf
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(150), unique=True, nullable=False)
password = db.Column(db.String(50), nullable=False)
is_admin = db.Column('is_admin', db.Integer, server_default='0')
posts = relationship('Post', back_populates='user')
def __str__(self):
return "{0}\n".format(self.username)
def info(self):
buf = """Username: {0}
Email: {1}
Admin: {2}
""".format(self.username, self.email, self.is_admin)
buf += 'Posts:\n'
for post in self.posts:
buf += post.question + '\n'
return buf
class Course(db.Model):
id = db.Column('id', db.Integer, primary_key=True)
subject = db.Column('subject', db.String(100), nullable=False)
number = db.Column('number', db.Integer, nullable=False)
professor_name = db.Column('professor_name',
db.String(200),
nullable=False)
course_times = db.Column('course_times', db.String(100), nullable=False)
homeworks = relationship('Homework', back_populates='course')
school_id = db.Column(db.Integer, ForeignKey('school.id'))
school = relationship('School', back_populates='courses')
def __str__(self):
return '{0} {1} at {2} -- {3}, {4}'.format(self.subject,
str(self.number),
self.course_times,
self.professor_name,
self.school.full_name)
def info(self):
buf = self.__str__() + '\n'
buf += 'Homeworks:\n'
for hw in self.homeworks:
buf += str(hw)
return buf