changed to db for fit streams

FitnessSync/backend/src/models/__init__.py

@@ -14,4 +14,5 @@ from .health_state import HealthSyncState
 from .scheduled_job import ScheduledJob
 from .bike_setup import BikeSetup
 from .segment import Segment
-from .segment_effort import SegmentEffort
+from .segment_effort import SegmentEffort
+from .stream import ActivityStream

FitnessSync/backend/src/models/activity.py

@@ -73,4 +73,7 @@ class Activity(Base):
 
     bike_setup_id = Column(Integer, ForeignKey("bike_setups.id"), nullable=True)
     bike_match_confidence = Column(Float, nullable=True) # 0.0 to 1.0 score of match confidence
-    bike_setup = relationship("BikeSetup")
+    bike_setup = relationship("BikeSetup")
+    
+    # Relationship to streams
+    streams = relationship("ActivityStream", back_populates="activity", uselist=False)

FitnessSync/backend/src/models/segment.py

@@ -21,3 +21,7 @@ class Segment(Base):
     activity_type = Column(String, nullable=False) # 'cycling', 'running'
     
     created_at = Column(DateTime(timezone=True), server_default=func.now())
+    
+    # PostGIS Geometry
+    from geoalchemy2 import Geometry
+    geom = Column(Geometry('LINESTRING', srid=4326), index=True)

FitnessSync/backend/src/models/stream.py

@@ -0,0 +1,30 @@
+from sqlalchemy import Column, Integer, ForeignKey, Float, Boolean, ARRAY
+from sqlalchemy.orm import relationship
+from geoalchemy2 import Geometry
+from .base import Base
+
+class ActivityStream(Base):
+    __tablename__ = "activity_streams"
+
+    id = Column(Integer, primary_key=True, index=True)
+    activity_id = Column(Integer, ForeignKey("activities.id"), nullable=False, index=True)
+    
+    # Time Series Data (Arrays)
+    time_offset = Column(ARRAY(Integer)) # seconds from start
+    latitude = Column(ARRAY(Float))
+    longitude = Column(ARRAY(Float))
+    elevation = Column(ARRAY(Float))
+    heart_rate = Column(ARRAY(Integer))
+    power = Column(ARRAY(Integer))
+    cadence = Column(ARRAY(Integer))
+    speed = Column(ARRAY(Float))
+    distance = Column(ARRAY(Float))
+    temperature = Column(ARRAY(Float))
+    moving = Column(ARRAY(Boolean))
+    grade_smooth = Column(ARRAY(Float))
+    
+    # Derived Spatial Data
+    # SRID 4326 = WGS 84 (Lat/Lon)
+    geom = Column(Geometry('LINESTRING', srid=4326), index=True)
+    
+    activity = relationship("Activity", back_populates="streams")