Phase 1

app/models/__init__.py

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+from app.models.user import User
+from app.models.facility import Facility, Area
+from app.models.inspection import InspectionTemplate, ChecklistItem, Inspection, InspectionResult
+from app.models.issue import Issue

app/models/facility.py

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+from app import db
+from datetime import datetime
+
+class Facility(db.Model):
+    __tablename__ = 'facilities'
+
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(255), nullable=False)
+    address = db.Column(db.Text)
+    contact_person = db.Column(db.String(100))
+    contact_phone = db.Column(db.String(20))
+    active = db.Column(db.Boolean, default=True)
+
+    # Relationships
+    areas = db.relationship('Area', backref='facility', lazy='dynamic')
+    inspections = db.relationship('Inspection', backref='facility', lazy='dynamic')
+
+    def __repr__(self):
+        return f'<Facility {self.name}>'
+
+class Area(db.Model):
+    __tablename__ = 'areas'
+
+    id = db.Column(db.Integer, primary_key=True)
+    facility_id = db.Column(db.Integer, db.ForeignKey('facilities.id'), nullable=False)
+    name = db.Column(db.String(255), nullable=False)
+    area_type = db.Column(db.String(50))
+
+    # Relationships
+    inspections = db.relationship('Inspection', backref='area', lazy='dynamic')
+    issues = db.relationship('Issue', backref='area', lazy='dynamic')
+
+    def __repr__(self):
+        return f'<Area {self.name}>'

app/models/inspection.py

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+from app import db
+from datetime import datetime
+
+class InspectionTemplate(db.Model):
+    __tablename__ = 'inspection_templates'
+
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(255), nullable=False)
+    description = db.Column(db.Text)
+    frequency = db.Column(db.Enum('daily', 'weekly', 'monthly', 'quarterly'))
+    created_by = db.Column(db.Integer, db.ForeignKey('users.id'))
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    # Relationships
+    checklist_items = db.relationship('ChecklistItem', backref='template', lazy='dynamic', cascade='all, delete-orphan')
+    inspections = db.relationship('Inspection', backref='template', lazy='dynamic')
+
+    def __repr__(self):
+        return f'<InspectionTemplate {self.name}>'
+
+class ChecklistItem(db.Model):
+    __tablename__ = 'checklist_items'
+
+    id = db.Column(db.Integer, primary_key=True)
+    template_id = db.Column(db.Integer, db.ForeignKey('inspection_templates.id'), nullable=False)
+    category = db.Column(db.String(100))
+    item_description = db.Column(db.Text, nullable=False)
+    scoring_type = db.Column(db.Enum('pass_fail', 'rating_5', 'rating_10'))
+    weight = db.Column(db.Numeric(3, 2), default=1.00)
+    requires_photo = db.Column(db.Boolean, default=False)
+    display_order = db.Column(db.Integer)
+
+    # Relationships
+    results = db.relationship('InspectionResult', backref='checklist_item', lazy='dynamic')
+
+    def __repr__(self):
+        return f'<ChecklistItem {self.item_description[:30]}>'
+
+class Inspection(db.Model):
+    __tablename__ = 'inspections'
+
+    id = db.Column(db.Integer, primary_key=True)
+    template_id = db.Column(db.Integer, db.ForeignKey('inspection_templates.id'), nullable=False)
+    facility_id = db.Column(db.Integer, db.ForeignKey('facilities.id'), nullable=False)
+    area_id = db.Column(db.Integer, db.ForeignKey('areas.id'))
+    inspector_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)
+    inspection_date = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
+    overall_score = db.Column(db.Numeric(5, 2))
+    status = db.Column(db.Enum('in_progress', 'completed', 'flagged'), default='in_progress')
+    notes = db.Column(db.Text)
+    completed_at = db.Column(db.DateTime)
+
+    # Relationships
+    results = db.relationship('InspectionResult', backref='inspection', lazy='dynamic', cascade='all, delete-orphan')
+    issues = db.relationship('Issue', backref='inspection', lazy='dynamic')
+
+    def __repr__(self):
+        return f'<Inspection {self.id} - {self.inspection_date}>'
+
+class InspectionResult(db.Model):
+    __tablename__ = 'inspection_results'
+
+    id = db.Column(db.Integer, primary_key=True)
+    inspection_id = db.Column(db.Integer, db.ForeignKey('inspections.id'), nullable=False)
+    checklist_item_id = db.Column(db.Integer, db.ForeignKey('checklist_items.id'), nullable=False)
+    score = db.Column(db.Numeric(5, 2))
+    passed = db.Column(db.Boolean)
+    comments = db.Column(db.Text)
+    photo_path = db.Column(db.String(255))
+
+    def __repr__(self):
+        return f'<InspectionResult {self.id}>'

app/models/issue.py

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+from app import db
+from datetime import datetime
+
+class Issue(db.Model):
+    __tablename__ = 'issues'
+
+    id = db.Column(db.Integer, primary_key=True)
+    inspection_id = db.Column(db.Integer, db.ForeignKey('inspections.id'))
+    area_id = db.Column(db.Integer, db.ForeignKey('areas.id'), nullable=False)
+    severity = db.Column(db.Enum('low', 'medium', 'high', 'critical'), nullable=False)
+    description = db.Column(db.Text, nullable=False)
+    photo_path = db.Column(db.String(255))
+    status = db.Column(db.Enum('open', 'in_progress', 'resolved'), default='open')
+    assigned_to = db.Column(db.Integer, db.ForeignKey('users.id'))
+    reported_at = db.Column(db.DateTime, default=datetime.utcnow)
+    resolved_at = db.Column(db.DateTime)
+
+    def __repr__(self):
+        return f'<Issue {self.id} - {self.severity}>'

app/models/user.py

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+from app import db, login_manager
+from flask_login import UserMixin
+from werkzeug.security import generate_password_hash, check_password_hash
+from datetime import datetime
+
+@login_manager.user_loader
+def load_user(user_id):
+    return User.query.get(int(user_id))
+
+class User(UserMixin, db.Model):
+    __tablename__ = 'users'
+
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(100), unique=True, nullable=False, index=True)
+    email = db.Column(db.String(255), unique=True, nullable=False, index=True)
+    password_hash = db.Column(db.String(255), nullable=False)
+    role = db.Column(db.Enum('admin', 'supervisor', 'inspector'), nullable=False)
+    created_at = db.Column(db.DateTime, default=datetime.utcnow)
+
+    # Relationships
+    inspections = db.relationship('Inspection', backref='inspector', lazy='dynamic')
+
+    def set_password(self, password):
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self, password):
+        return check_password_hash(self.password_hash, password)
+
+    def __repr__(self):
+        return f'<User {self.username}>'