joachim/location-mqtt-tracker-app
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location-mqtt-tracker-app/docs/locations.md
Joachim Hummel 5369fe3963 Add documentation for geofence and locations features 
- Add comprehensive geofence feature implementation plan
- Add locations documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-02 17:52:44 +00:00

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Location Database Documentation

Database File

  • Filename: locations.sqlite
  • Type: SQLite 3.x database
  • Encoding: UTF-8
  • Current Records: 367 location entries

Database Schema

Location Table

Column Type Required Default Description
id INTEGER - AUTO_INCREMENT Primary key
latitude REAL Yes - GPS latitude coordinate
longitude REAL Yes - GPS longitude coordinate
timestamp TEXT Yes - Time when location was recorded
user_id INTEGER No 0 Telegram user ID
first_name TEXT No - User's first name
last_name TEXT No - User's last name
username TEXT No - Telegram username
marker_label TEXT No - Custom label for map marker
display_time TEXT No - Formatted time for display
chat_id INTEGER No 0 Telegram chat ID
battery INTEGER No - Device battery level (0-100)
speed REAL No - Movement speed
created_at TEXT No datetime('now') Database insertion timestamp

Database Tables

  • Location - Main table storing location data
  • sqlite_sequence - SQLite internal table for auto-increment tracking

Verification Commands

Check database file

file locations.sqlite

List all tables

sqlite3 locations.sqlite "SELECT name FROM sqlite_master WHERE type='table';"

View table schema

sqlite3 locations.sqlite "PRAGMA table_info(Location);"

Count records

sqlite3 locations.sqlite "SELECT COUNT(*) FROM Location;"

Sample query

sqlite3 locations.sqlite "SELECT id, latitude, longitude, timestamp, user_id FROM Location LIMIT 5;"

Future Development Ideas

Potential Features

  • Location history visualization
  • Geofencing alerts
  • Route tracking and analysis
  • Speed monitoring and statistics
  • Battery level tracking over time
  • Multi-user location comparison
  • Export to GPX/KML formats
  • Privacy controls and data retention policies

Optimization Opportunities

  • Add indexes on frequently queried columns (user_id, timestamp)
  • Implement data archival for old records
  • Add spatial queries support (SQLite R*Tree extension)
  • Implement location clustering for map display

Integration Points

  • REST API for location queries
  • Real-time location updates via WebSocket/MQTT
  • Map visualization frontend
  • Mobile app data sync
  • Export/backup functionality