Files
IOT_application/Machine-Backend/app/models/models.py

213 lines
8.6 KiB
Python

from app import db
import datetime
import time
import json
from werkzeug.security import generate_password_hash, check_password_hash
# Machine Model
class Machine(db.Model):
__tablename__ = 'machines'
id = db.Column(db.Integer, primary_key=True)
machine_id = db.Column(db.String(10), unique=True, nullable=False)
machine_model = db.Column(db.String(100), nullable=False)
machine_type = db.Column(db.String(100), nullable=False)
client_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
client_name = db.Column(db.String(100), nullable=True)
branch_id = db.Column(db.String(10), nullable=False)
branch_name = db.Column(db.String(100), nullable=False)
operation_status = db.Column(db.String(50), nullable=False)
connection_status = db.Column(db.String(50), nullable=False)
created_on = db.Column(db.String(20), nullable=False)
password = db.Column(db.String(128), nullable=False)
slots = db.relationship('VendingSlot', backref='machine', lazy=True)
client = db.relationship('User', backref='machines')
def to_dict(self):
return {
'id': self.id,
'machine_id': self.machine_id,
'machine_model': self.machine_model,
'machine_type': self.machine_type,
'client_id': self.client_id,
'client_name': self.client.username if self.client else self.client_name,
'branch_id': self.branch_id,
'branch_name': self.branch_name,
'operation_status': self.operation_status,
'connection_status': self.connection_status,
'created_on': self.created_on,
'password': self.password
}
def set_password(self, password):
self.password = generate_password_hash(password)
def check_password(self, password):
return check_password_hash(self.password, password)
# User Model - UPDATED with proper password hashing
class User(db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.String(50), unique=True, nullable=False)
username = db.Column(db.String(50), nullable=False)
email = db.Column(db.String(100), nullable=False, unique=True)
contact = db.Column(db.String(20), nullable=False)
roles = db.Column(db.String(50), nullable=False)
user_status = db.Column(db.String(50), nullable=False)
password = db.Column(db.String(255), nullable=False) # Increased length for hash
# File storage fields
photo = db.Column(db.String(255), nullable=True)
company_logo = db.Column(db.String(255), nullable=True)
documents = db.Column(db.Text, nullable=True)
# Timestamps
created_at = db.Column(db.DateTime, default=datetime.datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
def to_dict(self):
"""Convert user object to dictionary"""
return {
'id': self.id,
'user_id': self.user_id,
'username': self.username,
'email': self.email,
'contact': self.contact,
'roles': self.roles,
'user_status': self.user_status,
'photo': self.photo,
'company_logo': self.company_logo,
'documents': json.loads(self.documents) if self.documents else [],
'created_at': self.created_at.strftime("%Y-%m-%d %H:%M:%S") if self.created_at else None,
'updated_at': self.updated_at.strftime("%Y-%m-%d %H:%M:%S") if self.updated_at else None,
'machines': [m.to_dict() for m in self.machines] if hasattr(self, 'machines') else []
}
def set_password(self, password):
"""Hash and set the password"""
self.password = generate_password_hash(password, method='pbkdf2:sha256')
print(f"Password hashed for user {self.username}")
def check_password(self, password):
"""Verify password against hash"""
result = check_password_hash(self.password, password)
print(f"Password check for {self.username}: {result}")
return result
@staticmethod
def generate_user_id(username, email):
"""Generate unique user ID from username and email"""
username_part = ''.join(filter(str.isalnum, username[:4])).upper()
email_part = ''.join(filter(str.isalnum, email.split('@')[0][:4])).upper()
timestamp = str(int(time.time()))[-4:]
user_id = f"USR-{username_part}{email_part}{timestamp}"
# Ensure uniqueness
counter = 1
original_id = user_id
while User.query.filter_by(user_id=user_id).first():
user_id = f"{original_id}{counter}"
counter += 1
return user_id
# Product Model
class Product(db.Model):
__tablename__ = 'products'
id = db.Column(db.Integer, primary_key=True)
product_id = db.Column(db.String(10), unique=True, nullable=False)
product_name = db.Column(db.String(100), nullable=False)
price = db.Column(db.Float, nullable=False)
product_image = db.Column(db.String(255), nullable=False)
created_date = db.Column(db.String(20), nullable=False)
def to_dict(self):
return {
'id': self.id,
'product_id': self.product_id,
'product_name': self.product_name,
'price': str(self.price),
'product_image': self.product_image,
'created_date': self.created_date
}
# VendingSlot Model
class VendingSlot(db.Model):
__tablename__ = 'vending_slots'
id = db.Column(db.Integer, primary_key=True)
machine_id = db.Column(db.String(10), db.ForeignKey('machines.machine_id'), nullable=False)
row_id = db.Column(db.String(1), nullable=False)
slot_name = db.Column(db.String(3), nullable=False)
enabled = db.Column(db.Boolean, default=True)
product_id = db.Column(db.String(10), db.ForeignKey('products.product_id'), nullable=True)
units = db.Column(db.Integer, default=0)
price = db.Column(db.String(10), default="N/A")
def to_dict(self):
return {
'name': self.slot_name,
'enabled': self.enabled,
'productId': self.product_id,
'units': self.units,
'price': self.price
}
# Transaction Model
class Transaction(db.Model):
__tablename__ = 'transactions'
id = db.Column(db.Integer, primary_key=True)
transaction_id = db.Column(db.String(50), unique=True, nullable=False)
machine_id = db.Column(db.String(10), db.ForeignKey('machines.machine_id'), nullable=False)
product_name = db.Column(db.String(100), nullable=False)
quantity = db.Column(db.Integer, nullable=False)
amount = db.Column(db.Float, nullable=False)
payment_type = db.Column(db.String(50), nullable=False) # wallet/qr/card
status = db.Column(db.String(50), nullable=False) # Success/Dispense failed/Unprocessed
amount_receiving_status = db.Column(db.String(50), nullable=True) # Dispense failed refund
return_amount = db.Column(db.Float, nullable=True)
created_at = db.Column(db.DateTime, default=datetime.datetime.utcnow)
machine = db.relationship('Machine', backref='transactions')
def to_dict(self):
return {
'id': self.id,
'transaction_id': self.transaction_id,
'machine_id': self.machine_id,
'product_name': self.product_name,
'quantity': self.quantity,
'amount': self.amount,
'payment_type': self.payment_type,
'status': self.status,
'amount_receiving_status': self.amount_receiving_status,
'return_amount': self.return_amount,
'created_at': self.created_at.strftime("%Y-%m-%d %H:%M:%S") if self.created_at else None
}
# Add to your models.py
class Role(db.Model):
__tablename__ = 'roles'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(50), unique=True, nullable=False)
description = db.Column(db.String(255))
permissions = db.Column(db.Text) # JSON string of permission IDs
created_at = db.Column(db.DateTime, default=datetime.datetime.utcnow)
updated_at = db.Column(db.DateTime, default=datetime.datetime.utcnow, onupdate=datetime.datetime.utcnow)
def to_dict(self):
return {
'id': self.id,
'name': self.name,
'description': self.description,
'permissions': json.loads(self.permissions) if self.permissions else [],
'created_at': self.created_at.strftime("%Y-%m-%d %H:%M:%S") if self.created_at else None,
'updated_at': self.updated_at.strftime("%Y-%m-%d %H:%M:%S") if self.updated_at else None
}