class LocalizedData(db.Model):
__tabletname__ = 'localized_data'
microstation_id = db.Column(db.String(50),
db.ForeignKey("air_quality.microstation_id"),
primary_key=True)
timestamp = db.Column(db.DateTime(timezone=False),
db.ForeignKey("air_quality.timestamp"),
primary_key=True)
longitude = db.Column(db.Float(),
db.ForeignKey("air_quality.longitude"),
primary_key=True)
latitude = db.Column(db.Float(),
db.ForeignKey("air_quality.latitude"),
primary_key=True)
province = db.Column(db.String(80))
regio = db.Column(db.String(80))
measurements = db.relationship(
'AirQuality',
primaryjoin=
"and_(AirQuality.microstation_id==LocalizedData.microstation_id, AirQuality.timestamp==LocalizedData.timestamp, AirQuality.longitude==LocalizedData.longitude, AirQuality.latitude==LocalizedData.latitude)"
)
def __init__(self, microstation_id, timestamp, longitude, latitude,
province, regio):
self.microstation_id = microstation_id
self.timestamp = timestamp
self.longitude = longitude
self.latitude = latitude
self.province = province
self.regio = regio
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(20), unique=True, nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
image_file = db.Column(db.String(20),
nullable=False,
default="default.jpg")
password = db.Column(db.String(60), nullable=False)
posts = db.relationship('Post', backref='author', lazy=True)
def __repr__(self):
return f"User('{self.username}', '{self.email}', '{self.image_file}')"
class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False)
county = db.Column(db.Text, nullable=False)
years_lived = db.Column(db.Text, nullable=False)
start_year = db.Column(db.Text, nullable=False)
end_year = db.Column(db.Text, nullable=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
def __repr__(self):
return f"Post('{self.title}', '{self.date_posted}')"
class AirQuality(db.Model):
__tablename__ = 'air_quality'
microstation_id = db.Column(db.String(50),
db.ForeignKey("microstation.microstation_id"),
primary_key=True)
timestamp = db.Column(db.DateTime(timezone=False), primary_key=True)
longitude = db.Column(db.Float(), primary_key=True)
latitude = db.Column(db.Float(), primary_key=True)
pressure = db.Column(db.Float)
temperature = db.Column(db.Float)
humidity = db.Column(db.Float)
CO = db.Column(db.Float)
NH3 = db.Column(db.Float)
NO2 = db.Column(db.Float)
CH4 = db.Column(db.Float)
H2 = db.Column(db.Float)
C3H8 = db.Column(db.Float)
C4H10 = db.Column(db.Float)
C2H5OH = db.Column(db.Float)
Dust = db.Column(db.Float)
def __init__(self, microstation_id, timestamp, longitude, latitude,
pressure, temperature, humidity, CO, NH3, NO2, CH4, H2, C3H8,
C4H10, C2H5OH, Dust):
self.microstation_id = microstation_id
self.timestamp = timestamp
self.longitude = longitude
self.latitude = latitude
self.pressure = pressure
self.temperature = temperature
self.humidity = humidity
self.CO = CO
self.NH3 = NH3
self.NO2 = NO2
self.CH4 = CH4
self.H2 = H2
self.C3H8 = C3H8
self.C4H10 = C4H10
self.C2H5OH = C2H5OH
self.Dust = Dust
class Microstation(db.Model):
__tabletname__ = 'microstation'
microstation_id = db.Column(db.String(50), primary_key=True)
microstation_name = db.Column(db.String(50), unique=True)
sensor_gps = db.Column(db.String(50))
sensor_dust = db.Column(db.String(50))
sensor_gas = db.Column(db.String(50))
sensor_barometer = db.Column(db.String(50))
measurements = db.relationship('AirQuality',
backref='microstation',
lazy='dynamic')
def __init__(self, microstation_id, microstation_name, sensor_gps,
sensor_dust, sensor_gas, sensor_barometer):
self.microstation_id = microstation_id
self.microstation_name = microstation_name
self.sensor_gps = sensor_gps
self.sensor_dust = sensor_dust
self.sensor_gas = sensor_gas
self.sensor_barometer = sensor_barometer