update database strukture

models.py

@@ -1,6 +1,6 @@
 from flask_sqlalchemy import SQLAlchemy
+from datetime import datetime
 
-import datetime
 
 db = SQLAlchemy()
 
@@ -11,3 +11,38 @@ class CommissionPersons(db.Model):
     isrecenzent = db.Column(db.Boolean, nullable=False, default=False)
     issecretar = db.Column(db.Boolean, nullable=False, default=False)
 
+
+class CommissionSostav(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    predsedatel = db.Column(db.String(100), nullable=False)
+    uchastnik1=db.Column(db.String(100), nullable=False)
+    uchastnik2=db.Column(db.String(100), nullable=False)
+    uchastnik3=db.Column(db.String(100), nullable=False)
+    uchastnik4=db.Column(db.String(100), nullable=False)
+    secretar=db.Column(db.String(100), nullable=False)
+
+class Rukovoditeli(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    fio = db.Column(db.String(80), nullable=False)
+    canMagistr = db.Column(db.Boolean, nullable=False, default=False)
+    stepen = db.Column(db.String(80), nullable=False)
+    dolognost = db.Column(db.String(80), nullable=False)
+
+class Studentus(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    fio = db.Column(db.String(80), nullable=False)
+    vkrTheme = db.Column(db.String(80), nullable=False)
+    rucovoditel_id = db.Column(db.Integer, db.ForeignKey('rukovoditeli.id'), nullable=False)
+    konsultant_id = db.Column(db.Integer, db.ForeignKey('rukovoditeli.id'), nullable=False)
+    rucovoditel = db.relationship('Rukovoditeli', foreign_keys=[rucovoditel_id],
+                                  backref=db.backref('students_as_rucovoditel', lazy=True))
+    konsultant = db.relationship('Rukovoditeli', foreign_keys=[konsultant_id],
+                                 backref=db.backref('students_as_konsultant', lazy=True))
+
+
+class CommissionZasedanie(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    data = db.Column(db.DateTime, nullable=False)
+    commission_sostav_id = db.Column(db.Integer, db.ForeignKey('commission_sostav.id'), nullable=False)
+    commission_sostav = db.relationship('CommissionSostav', uselist=False, backref=db.backref('zasedanie', lazy=True))
+    students = db.relationship('Studentus', backref=db.backref('zasedanie', lazy=True))