Files
FitTrack2/FitnessSync/scratch/auto_create_segments.py
2026-01-09 12:10:58 -08:00

109 lines
3.6 KiB
Python

import sys
import os
import json
import logging
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
# Add backend to path
sys.path.append(os.path.join(os.getcwd(), 'backend'))
from src.models.activity import Activity
from src.models.segment import Segment
from src.services.segment_matcher import SegmentMatcher
from src.services.parsers import extract_points_from_file
from src.utils.geo import haversine_distance, calculate_bounds, ramer_douglas_peucker
from src.utils.config import config
# Setup DB
engine = create_engine(config.DATABASE_URL)
Session = sessionmaker(bind=engine)
db = Session()
def auto_create_segments(garmin_activity_id, split_dist_meters=1000):
print(f"\n--- Auto Creating Segments for {garmin_activity_id} (Split: {split_dist_meters}m) ---")
activity = db.query(Activity).filter(Activity.garmin_activity_id == garmin_activity_id).first()
if not activity:
print(f"Activity {garmin_activity_id} not found in DB.")
return
# Extract points
points = extract_points_from_file(activity.file_content, activity.file_type)
if not points or len(points) < 2:
print("No points found in activity.")
return
print(f"Total Points: {len(points)}")
accum_dist = 0.0
split_start_idx = 0
split_count = 1
segments_created = []
for i in range(1, len(points)):
p1 = points[i-1]
p2 = points[i]
# dist between p1 and p2
d = haversine_distance(p1[1], p1[0], p2[1], p2[0])
accum_dist += d
if accum_dist >= split_dist_meters:
# Create segment
split_end_idx = i
seg_points = points[split_start_idx : split_end_idx + 1]
# Simplify
simple_points = ramer_douglas_peucker(seg_points, epsilon=5.0)
bounds = calculate_bounds(seg_points)
# Calc actual distance & elevation
seg_dist = 0.0
seg_elev_gain = 0.0
for k in range(len(seg_points)-1):
sp1 = seg_points[k]
sp2 = seg_points[k+1]
seg_dist += haversine_distance(sp1[1], sp1[0], sp2[1], sp2[0])
if len(sp1) > 2 and len(sp2) > 2 and sp1[2] is not None and sp2[2] is not None:
diff = sp2[2] - sp1[2]
if diff > 0:
seg_elev_gain += diff
name = f"AutoSplit #{split_count} ({garmin_activity_id})"
print(f"Creating Segment: {name} | Dist: {seg_dist:.1f}m | Elev: {seg_elev_gain:.1f}m | Indices: {split_start_idx}-{split_end_idx}")
segment = Segment(
name=name,
description=f"Auto-generated {split_dist_meters}m split",
distance=seg_dist,
elevation_gain=seg_elev_gain,
activity_type=activity.activity_type or 'cycling',
points=json.dumps(simple_points),
bounds=json.dumps(bounds)
)
db.add(segment)
segments_created.append(segment)
# Reset for next split
accum_dist = 0.0
split_start_idx = i
split_count += 1
db.commit()
print(f"\nCreated {len(segments_created)} segments.")
# Trigger Matching
if segments_created:
print("\nTriggering Segment Matcher...")
matcher = SegmentMatcher(db)
matcher.match_activity(activity, points)
print("Matching complete.")
if __name__ == "__main__":
auto_create_segments("21249259141", 1000)