1 files changed, 41 insertions, 0 deletions
diff --git a/ebus/web/model.py b/ebus/web/model.py
new file mode 100644
index 0000000..b8405dc
--- /dev/null
+++ b/ebus/web/model.py
@@ -0,0 +1,41 @@
+from datetime import datetime
+from sqlalchemy import Column, Integer, Float, DateTime, String, ForeignKey
+from sqlalchemy.orm import relationship, backref
+from sqlalchemy.ext.declarative import declarative_base
+
+Base = declarative_base()
+
+class Sensor(Base):
+    __tablename__ = 'sensor'
+    
+    id = Column(Integer, primary_key=True)
+    name = Column(String)
+    description = Column(String, default="")
+
+    def __init__(self, name, description=""):
+        self.name = name
+        self.description = description
+        
+    def __repr__(self):
+        return "<Sensor('%s','%s','%s')>" % (self.id, self.name, self.description)
+
+
+
+
+class Value(Base):
+    __tablename__ = 'value'
+
+    id = Column(Integer, primary_key=True)
+    timestamp = Column(DateTime)
+    sensor_id = Column(Integer, ForeignKey("sensor.id"))
+    sensor = relationship(Sensor, backref=backref('values', order_by=timestamp))
+    value = Column(Float(precision=4))
+
+    def __init__(self, sensor, value, timestamp=datetime.now()):
+        self.sensor  = sensor
+        self.value = value
+        self.timestamp = timestamp
+
+    def __repr__(self):
+        return "<Value('%s','%s','%s','%s'>" % (self.id, self.sensor, self.value, self.timestamp)
+