Improve on the template, most things work???

app/models.py

@@ -1,67 +1,48 @@
-from . import db
-from flask_login import UserMixin
-from datetime import datetime
-
-# User roles: admin, technician, customer
-class User(db.Model, UserMixin):
-    id = db.Column(db.Integer, primary_key=True)
-    username = db.Column(db.String(80), unique=True, nullable=False)
-    password_hash = db.Column(db.String(128), nullable=False)
-    role = db.Column(db.String(20), default='customer')
-    customer = db.relationship('Customer', uselist=False, backref='user')
+from flask_sqlalchemy import SQLAlchemy
+from app import db
 
 class Customer(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    name = db.Column(db.String(120))
-    email = db.Column(db.String(120), unique=True)
-    phone = db.Column(db.String(20))
-    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
-    repairs = db.relationship('RepairJob', backref='customer')
+    email = db.Column(db.String(120), unique=True, nullable=False)
+    username = db.Column(db.String(80), unique=True, nullable=False)
+    appointments = db.relationship('Appointment', backref='customer', lazy=True)
+    repairs = db.relationship('Repair', backref='customer', lazy=True)
 
 class Technician(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    name = db.Column(db.String(120))
-    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
-    repairs = db.relationship('RepairJob', backref='technician')
+    username = db.Column(db.String(80), unique=True, nullable=False)
+    repairs = db.relationship('Repair', backref='technician', lazy=True)
 
-class RepairJob(db.Model):
+class Repair(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    tracking_number = db.Column(db.String(50), unique=True)
-    device = db.Column(db.String(120))
-    description = db.Column(db.Text)
-    status = db.Column(db.String(50), default='New')
-    customer_id = db.Column(db.Integer, db.ForeignKey('customer.id'))
-    technician_id = db.Column(db.Integer, db.ForeignKey('technician.id'))
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
-    cost_estimate = db.Column(db.Float)
-    final_cost = db.Column(db.Float)
-    parts_used = db.relationship('RepairPart', backref='repair')
-    barcode_path = db.Column(db.String(256))
-    notes = db.relationship('RepairNote', backref='repair')
+    device_info = db.Column(db.String(200), nullable=False)
+    status = db.Column(db.String(50), nullable=False)
+    technician_id = db.Column(db.Integer, db.ForeignKey('technician.id'), nullable=True)
+    customer_id = db.Column(db.Integer, db.ForeignKey('customer.id'), nullable=False)
+    notes = db.relationship('RepairNote', backref='repair', lazy=True)
+
+class Appointment(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    date_time = db.Column(db.DateTime, nullable=False)
+    customer_id = db.Column(db.Integer, db.ForeignKey('customer.id'), nullable=False)
 
 class RepairNote(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    repair_id = db.Column(db.Integer, db.ForeignKey('repair_job.id'))
-    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
-    note = db.Column(db.Text)
-    timestamp = db.Column(db.DateTime, default=datetime.utcnow)
+    content = db.Column(db.Text, nullable=False)
+    repair_id = db.Column(db.Integer, db.ForeignKey('repair.id'), nullable=False)
 
-class RepairPart(db.Model):
+class User(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    repair_id = db.Column(db.Integer, db.ForeignKey('repair_job.id'))
-    part_id = db.Column(db.Integer, db.ForeignKey('inventory_item.id'))
-    quantity = db.Column(db.Integer)
+    username = db.Column(db.String(64), unique=True, nullable=False)
+    email = db.Column(db.String(120), unique=True, nullable=False)
 
-class InventoryItem(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
-    part_name = db.Column(db.String(120))
-    quantity = db.Column(db.Integer)
-    low_stock_threshold = db.Column(db.Integer, default=1)
+    def __repr__(self):
+        return f'<User {self.username}>'
 
-class AuditLog(db.Model):
+class RepairBay(db.Model):
     id = db.Column(db.Integer, primary_key=True)
-    user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
-    action = db.Column(db.String(256))
-    timestamp = db.Column(db.DateTime, default=datetime.utcnow)
-    details = db.Column(db.Text)
+    name = db.Column(db.String(100), unique=True, nullable=False)
+    location = db.Column(db.String(100), nullable=False)
+
+    def __repr__(self):
+        return f'<RepairBay {self.name}>'