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StadiumIQ Database Models
FIFA World Cup 2026
"""
from datetime import datetime
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
class Stadium(db.Model):
"""FIFA World Cup 2026 venue."""
__tablename__ = 'stadiums'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(200), nullable=False)
city = db.Column(db.String(100), nullable=False)
country = db.Column(db.String(50), nullable=False)
capacity = db.Column(db.Integer, nullable=False)
latitude = db.Column(db.Float, nullable=False)
longitude = db.Column(db.Float, nullable=False)
image_url = db.Column(db.String(500), default='')
description = db.Column(db.Text, default='')
# Relationships
matches = db.relationship('Match', backref='stadium', lazy=True)
pois = db.relationship('PointOfInterest', backref='stadium', lazy=True)
crowd_snapshots = db.relationship('CrowdSnapshot', backref='stadium', lazy=True)
def to_dict(self):
return {
'id': self.id,
'name': self.name,
'city': self.city,
'country': self.country,
'capacity': self.capacity,
'latitude': self.latitude,
'longitude': self.longitude,
'image_url': self.image_url,
'description': self.description,
}
class Match(db.Model):
"""FIFA World Cup 2026 match."""
__tablename__ = 'matches'
id = db.Column(db.Integer, primary_key=True)
team_a = db.Column(db.String(100), nullable=False)
team_b = db.Column(db.String(100), nullable=False)
team_a_flag = db.Column(db.String(10), default='🏳️')
team_b_flag = db.Column(db.String(10), default='🏳️')
match_date = db.Column(db.DateTime, nullable=False)
stadium_id = db.Column(db.Integer, db.ForeignKey('stadiums.id'), nullable=False)
stage = db.Column(db.String(50), nullable=False) # Group A, Round of 16, etc.
group_name = db.Column(db.String(20), default='')
score_a = db.Column(db.Integer, default=None, nullable=True)
score_b = db.Column(db.Integer, default=None, nullable=True)
status = db.Column(db.String(20), default='scheduled') # scheduled, live, completed
def to_dict(self):
return {
'id': self.id,
'team_a': self.team_a,
'team_b': self.team_b,
'team_a_flag': self.team_a_flag,
'team_b_flag': self.team_b_flag,
'match_date': self.match_date.isoformat(),
'stadium_id': self.stadium_id,
'stadium_name': self.stadium.name if self.stadium else '',
'stage': self.stage,
'group_name': self.group_name,
'score_a': self.score_a,
'score_b': self.score_b,
'status': self.status,
}
class PointOfInterest(db.Model):
"""Point of interest within a stadium."""
__tablename__ = 'points_of_interest'
id = db.Column(db.Integer, primary_key=True)
stadium_id = db.Column(db.Integer, db.ForeignKey('stadiums.id'), nullable=False)
name = db.Column(db.String(200), nullable=False)
category = db.Column(db.String(50), nullable=False) # food, restroom, exit, medical, merch, accessibility
description = db.Column(db.Text, default='')
latitude = db.Column(db.Float, nullable=False)
longitude = db.Column(db.Float, nullable=False)
floor = db.Column(db.String(20), default='Ground')
is_accessible = db.Column(db.Boolean, default=True)
icon = db.Column(db.String(50), default='map-pin')
def to_dict(self):
return {
'id': self.id,
'stadium_id': self.stadium_id,
'name': self.name,
'category': self.category,
'description': self.description,
'latitude': self.latitude,
'longitude': self.longitude,
'floor': self.floor,
'is_accessible': self.is_accessible,
'icon': self.icon,
}
class CrowdSnapshot(db.Model):
"""Real-time crowd density snapshot."""
__tablename__ = 'crowd_snapshots'
id = db.Column(db.Integer, primary_key=True)
stadium_id = db.Column(db.Integer, db.ForeignKey('stadiums.id'), nullable=False)
zone = db.Column(db.String(50), nullable=False) # North Stand, South Stand, East Gate, etc.
density_level = db.Column(db.Integer, nullable=False) # 0-100 percentage
people_count = db.Column(db.Integer, default=0)
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
alert_level = db.Column(db.String(20), default='normal') # normal, warning, critical
def to_dict(self):
return {
'id': self.id,
'stadium_id': self.stadium_id,
'zone': self.zone,
'density_level': self.density_level,
'people_count': self.people_count,
'timestamp': self.timestamp.isoformat(),
'alert_level': self.alert_level,
}
class ChatHistory(db.Model):
"""AI chatbot conversation history."""
__tablename__ = 'chat_history'
id = db.Column(db.Integer, primary_key=True)
session_id = db.Column(db.String(100), nullable=False)
user_message = db.Column(db.Text, nullable=False)
ai_response = db.Column(db.Text, nullable=False)
language = db.Column(db.String(10), default='en')
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
def to_dict(self):
return {
'id': self.id,
'session_id': self.session_id,
'user_message': self.user_message,
'ai_response': self.ai_response,
'language': self.language,
'timestamp': self.timestamp.isoformat(),
}
class SustainabilityAction(db.Model):
"""User sustainability action log."""
__tablename__ = 'sustainability_actions'
id = db.Column(db.Integer, primary_key=True)
session_id = db.Column(db.String(100), nullable=False)
action_type = db.Column(db.String(100), nullable=False)
description = db.Column(db.Text, default='')
impact_score = db.Column(db.Float, default=0.0)
carbon_saved_kg = db.Column(db.Float, default=0.0)
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
def to_dict(self):
return {
'id': self.id,
'session_id': self.session_id,
'action_type': self.action_type,
'description': self.description,
'impact_score': self.impact_score,
'carbon_saved_kg': self.carbon_saved_kg,
'timestamp': self.timestamp.isoformat(),
}
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