EP_inspection_tool_proto/models.py

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2026-03-05 11:53:58 +00:00
"""SQLAlchemy models for the inspection app."""
from datetime import datetime
from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash
# Database instance will be initialized in app.py
# Importing here avoids circular imports
from config import Config
# Create a new SQLAlchemy instance; it will be bound to the Flask app later
db = SQLAlchemy()
class User(UserMixin, db.Model):
"""User model with password hashing and admin flag."""
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(64), unique=True, nullable=False)
password_hash = db.Column(db.String(128), nullable=False)
is_admin = db.Column(db.Boolean, default=False)
needs_password_change = db.Column(db.Boolean, default=False)
created_at = db.Column(db.DateTime, default=datetime.utcnow)
def set_password(self, password: str):
self.password_hash = generate_password_hash(password)
def check_password(self, password: str) -> bool:
return check_password_hash(self.password_hash, password)
class Inspection(db.Model):
"""Inspection record with remarks and photos."""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(128), nullable=False)
description = db.Column(db.Text, nullable=True)
# Three remark categories
remark_a = db.Column(db.Boolean, default=False)
remark_b = db.Column(db.Boolean, default=False)
remark_c = db.Column(db.Boolean, default=False)
closed_at = db.Column(db.DateTime, nullable=True)
created_by = db.Column(db.Integer, db.ForeignKey('user.id'))
created_at = db.Column(db.DateTime, default=datetime.utcnow)
# Relationship
photos = db.relationship('Photo', backref='inspection', lazy=True, cascade='all, delete-orphan')
class Photo(db.Model):
"""Uploaded photo belonging to an inspection."""
id = db.Column(db.Integer, primary_key=True)
filename = db.Column(db.String(256), nullable=False)
upload_path = db.Column(db.String(512), nullable=False)
inspection_id = db.Column(db.Integer, db.ForeignKey('inspection.id'))
uploaded_at = db.Column(db.DateTime, default=datetime.utcnow)
# Helper to load user for Flask-Login
def load_user(user_id):
return User.query.get(int(user_id))