class Marks(db.Model):
id = db.Column(db.Integer, primary_key=True)
mark = db.Column(db.Integer, nullable=True, unique=False)
attendance = db.Column(db.Text, nullable=True, unique=False)
subject_id = db.Column(db.Integer,
db.ForeignKey("subject_description.id"),
nullable=False)
student_id = db.Column(db.Integer,
db.ForeignKey("student.id"),
nullable=False)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
subject = db.relationship("SubjectDescription", backref="marks", lazy=True)
student = db.relationship("Student", backref="marks", lazy=True)
class Student(User, db.Model):
grade_id = db.Column(db.Integer, db.ForeignKey("grade.id"), nullable=False)
grade = db.relationship("Grade", backref=db.backref("students", lazy=True))
parent_id = db.Column(db.Integer,
db.ForeignKey("parent.id"),
nullable=False)
parent = db.relationship("Parent",
backref=db.backref("children"),
lazy=True)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
school = db.relationship("School",
backref=db.backref("students"),
lazy=True)
class Grade(db.Model):
id = db.Column(db.Integer, primary_key=True)
number = db.Column(db.Integer, unique=False, nullable=False)
letter = db.Column(db.String(1), unique=False, nullable=False)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
class Teacher(User, db.Model):
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
school = db.relationship("School",
backref=db.backref("teachers"),
lazy=True)
homeroom_grade_id = db.Column(db.Integer,
db.ForeignKey("grade.id"),
nullable=True)
homeroom_grade = db.relationship("Grade",
backref=db.backref("homeroom_teacher"),
lazy=True)
subjects = db.relationship("Subject",
secondary=teacher_subjects,
backref=db.backref("teachers", lazy=True))
class Parent(User, db.Model):
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
school = db.relationship("School",
backref=db.backref("parents"),
lazy=True)
class SubjectDescription(db.Model):
id = db.Column(db.Integer, primary_key=True)
subject_id = db.Column(db.Integer,
db.ForeignKey("subject.id"),
nullable=False)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
date = db.Column(db.DateTime, nullable=False)
grade_id = db.Column(db.Integer, db.ForeignKey("grade.id"), nullable=False)
grade = db.relationship("Grade", backref="subject_descriptions", lazy=True)
subject = db.relationship("Subject",
backref="subject_descriptions",
lazy=True)
theme = db.Column(db.Text, nullable=False, unique=False)
homework = db.Column(db.Text, nullable=False, unique=False)
class CallSchedule(db.Model):
id = db.Column(db.Integer, primary_key=True)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
subject_number = db.Column(db.Integer, nullable=False, unique=False)
start = db.Column(db.String(5), nullable=False, unique=False)
end = db.Column(db.String(5), nullable=False, unique=False)
class Schedule(db.Model):
id = db.Column(db.Integer, primary_key=True)
day = db.Column(db.Integer, unique=False, nullable=False)
subject_number = db.Column(db.Integer, unique=False, nullable=False)
subject_id = db.Column(db.Integer,
db.ForeignKey("subject.id"),
nullable=False)
subject = db.relationship("Subject", backref="schedule", lazy=True)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
teacher_id = db.Column(db.Integer,
db.ForeignKey("teacher.id"),
nullable=False)
teacher = db.relationship("Teacher",
backref=db.backref("schedule"),
lazy=True)
grade_id = db.Column(db.Integer, db.ForeignKey("grade.id"), nullable=False)
grade = db.relationship("Grade", backref="subjects", lazy=True)
class Announcement(db.Model):
id = db.Column(db.Integer, primary_key=True)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
author_id = db.Column(db.Integer, nullable=False, unique=False)
author_role = db.Column(db.String(11), nullable=False, unique=False)
header = db.Column(db.String(80), nullable=False, unique=False)
text = db.Column(db.Text, unique=False, nullable=False)
for_users = db.Column(db.String(34), unique=False, nullable=False)
date = db.Column(db.DateTime,
nullable=False,
default=lambda: datetime.now())
class Subject(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(25), unique=False, nullable=False)
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),
nullable=False)
from okayjournal.app import db
from datetime import datetime
from werkzeug.security import generate_password_hash
# Many-to-Many relationships
teacher_subjects = db.Table(
"teacher_subjects",
db.Column("teacher_id", db.Integer, db.ForeignKey("teacher.id")),
db.Column("subject_id", db.Integer, db.ForeignKey("subject.id")),
)
class User:
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=False, nullable=False)
surname = db.Column(db.String(30), unique=False, nullable=False)
patronymic = db.Column(db.String(30), unique=False, nullable=False)
email = db.Column(db.String(50), unique=True, nullable=False)
login = db.Column(db.String(31), unique=True, nullable=False)
password_hash = db.Column(db.String(128), unique=False, nullable=False)
throwaway_password = db.Column(db.Boolean, default=True)
class SystemAdmin(User, db.Model):
pass
class Parent(User, db.Model):
school_id = db.Column(db.Integer,
db.ForeignKey("school.id"),