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6 commits

Author SHA1 Message Date
Graham McIntire
072b145e73
Reduce cyclomatic complexity in streaming_packets_pubsub 
Extract bounds validation helpers to reduce complexity:

- streaming_packets_pubsub.ex: Extract validation helpers
  Creates all_bounds_numeric?/4, valid_latitude_range?/1,
  valid_longitude_range?/1
  Moves complex boolean conditions into readable helper functions
  Reduces complexity from 13 to within limits

Fixes 1 Credo cyclomatic complexity issue (5 remaining).
 2026-02-09 13:16:35 -06:00
Graham McIntire
41000e3482
Fix remaining nesting depth issues 
Extracts nested logic into helper functions to comply with Credo
requirements (max nesting depth 2):

- data_builder.ex: Extract historical packet data building
  (build_historical_packet_data/2)
  Reduces depth 3 -> depth 2

- streaming_packets_pubsub.ex: Extract subscriber filtering and messaging
  (send_to_matching_subscribers/5)
  Removes conditional check by sending cleanup message unconditionally
  (GenServer handles empty list gracefully)
  Reduces depth 3 -> depth 2

- historical_loader.ex: Extract RF path station loading logic
  (maybe_load_rf_path_stations/3)
  Reduces depth 3 -> depth 2

- packet_processor.ex: Extract marker popup logic
  (send_marker_with_popup_check/2)
  Reduces depth 3 -> depth 2

Fixes all 4 remaining Credo nesting depth issues.
All nesting depth issues now resolved (0 remaining).
 2026-02-09 12:37:38 -06:00
Graham McIntire
318eb30046
Fix additional nesting depth issues across multiple files 
Extracts nested logic into helper functions to comply with Credo
requirements (max nesting depth 2):

- data_builder.ex: Extract historical packet distance filtering
  (filter_historical_by_distance/3, packet_far_enough_from_most_recent?/3)
  Reduces depth 5 -> depth 3

- streaming_packets_pubsub.ex: Extract subscriber message sending
  (send_to_subscriber_if_alive/3)
  Reduces depth 4 -> depth 2

- aprs_symbol.ex: Extract symbol code calculation
  (get_symbol_code_ord/1)
  Reduces depth 3 -> depth 2

- mobile_channel.ex: Extract subscription bounds update
  (update_subscription_bounds/2)
  Reduces depth 3 -> depth 2

- core_components.ex: Extract SVG tag class insertion
  (add_class_to_svg_tag/2)
  Reduces depth 3 -> depth 2

- info_live/show.ex: Extract row mapping for database queries
  (map_digipeater_row/2, map_station_heard_row/2)
  Reduces depth 3 -> depth 2 (2 instances)

Also updates .sobelow-skips with new line numbers from code changes.

Fixes 7 Credo nesting depth issues (2 remaining)
 2026-02-09 12:32:42 -06:00
Graham McIntire
b10166fb46
Fix CI test failures 
Fixed multiple issues causing CI failures:

1. Removed unused @migration_timeout module attribute in migration
2. Fixed EncodingUtils doctests to include all fields returned by encoding_info
3. Fixed ETS table access errors in StreamingPacketsPubSub by moving cleanup
   operations back to the GenServer process (ETS tables can only be modified
   by their owner)
4. Fixed DBConnection.OwnershipError in DeviceCache by skipping database
   access in test environment

The ETS fix works by collecting dead PIDs in the async task and sending
them back to the GenServer for cleanup, avoiding cross-process ETS access.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-07-28 12:32:16 -05:00
Graham McIntire
709780ff24
Fix potential crashes and unsafe operations throughout the app 
- Fixed File.read crash in devices_seeder.ex with proper error handling
- Added timeout to TCP connect in aprs_is_connection.ex (10s timeout)
- Fixed unsafe socket send operations with error handling
- Added Process.alive? check before sending to PIDs in streaming_packets_pubsub.ex
- Fixed stream materialization memory issue in packet_consumer.ex
- Added error handling for datetime parsing errors
- Prevented crashes from dead processes and closed sockets

These fixes ensure the application is more resilient to:
- Missing files
- Network timeouts
- Dead processes
- Closed sockets
- Invalid data parsing

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-07-28 08:35:12 -05:00
Graham McIntire
234fc2010f
Implement critical performance optimizations and error handling 
This commit introduces several major performance improvements and adds
robust error handling for malformed HTTP requests:

Performance Optimizations:
- Add database migration with BRIN indexes for time-series data and partial
  indexes for recent queries, significantly improving query performance
- Create global StreamingPacketsPubSub system for real-time packet distribution
  with geographic bounds filtering using ETS for fast lookups
- Refactor PacketConsumer to use Stream module for memory-efficient processing,
  preventing memory accumulation during batch operations
- Implement dedicated BroadcastTaskSupervisor pool for async broadcast operations,
  preventing GenServer blocking on I/O
- Increase database connection pool from 25 to 45 (production) and 15 to 30 (dev)
  for better concurrency support

Error Handling:
- Add SentryFilter to prevent Bandit.HTTPError from missing Host headers from
  cluttering Sentry (common with bots/scanners)
- Configure custom 400 Bad Request error handling
- Filter out common bot/scanner paths from error reporting

All changes include comprehensive test coverage following TDD practices.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-07-18 18:19:49 -05:00