Paper Dynasty Card Creation - Baseball card generation system
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Cal Corum bd1cc7e90b CLAUDE: Refactor to reduce code fragility - extract business logic and add constants
This commit implements high value-to-time ratio improvements to make the
codebase more maintainable and less fragile:

## Changes Made

1. **Add constants for magic numbers** (creation_helpers.py)
   - NEW_PLAYER_COST = 99999 (replaces hardcoded sentinel value)
   - RARITY_BASE_COSTS dict (replaces duplicate cost dictionaries)
   - Benefits: Self-documenting, single source of truth, easy to update

2. **Extract business logic into testable function** (creation_helpers.py)
   - Added should_update_player_description() with full docstring
   - Consolidates duplicated logic from batters and pitchers modules
   - Independently testable, clear decision logic with examples
   - Benefits: DRY principle, better testing, easier to modify

3. **Add debug logging for description updates** (batters & pitchers)
   - Logs when descriptions ARE updated (with details)
   - Logs when descriptions are SKIPPED (with reason)
   - Benefits: Easy troubleshooting, visibility into decisions

4. **Update batters/creation.py and pitchers/creation.py**
   - Replace hardcoded 99999 with NEW_PLAYER_COST
   - Replace base_costs dict with RARITY_BASE_COSTS
   - Replace inline logic with should_update_player_description()
   - Improved docstring for post_player_updates()
   - Benefits: Cleaner, more maintainable code

5. **Add comprehensive tests** (tests/test_promo_description_protection.py)
   - 6 new direct unit tests for should_update_player_description()
   - Tests cover: promo/regular cardsets, new/existing players, PotM cards
   - Case-insensitive detection tests
   - Benefits: Confidence in behavior, prevent regressions

6. **Add documentation** (PROMO_CARD_FIX.md, REFACTORING_SUMMARY.md)
   - PROMO_CARD_FIX.md: Details the promo card renaming fix
   - REFACTORING_SUMMARY.md: Comprehensive refactoring documentation
   - Benefits: Future developers understand the code and changes

## Test Results
 13/13 tests pass (7 existing + 6 new)
 No regressions in existing tests
 100% backward compatible

## Impact
- Magic numbers: 100% eliminated
- Duplicated logic: 50% reduction (2 files → 1 function)
- Test coverage: +86% (7 → 13 tests)
- Code clarity: Significantly improved
- Maintainability: Much easier to modify and debug

## Files Modified
- creation_helpers.py: +82 lines (constants, function, docs)
- batters/creation.py: Simplified using new constants/function
- pitchers/creation.py: Simplified using new constants/function
- tests/test_promo_description_protection.py: +66 lines (new tests)
- PROMO_CARD_FIX.md: New documentation
- REFACTORING_SUMMARY.md: New documentation

Total: ~228 lines added/modified for significant maintainability gain

Related to earlier promo card description protection fix.
2025-10-31 22:03:22 -05:00
.claude/plans Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
batters CLAUDE: Refactor to reduce code fragility - extract business logic and add constants 2025-10-31 22:03:22 -05:00
card-output August '23 PotM Cards 2023-09-07 13:14:15 -05:00
data-input Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
defenders Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
html work fielding and batting functional 2023-09-24 18:58:44 -05:00
logs Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
pitchers CLAUDE: Refactor to reduce code fragility - extract business logic and add constants 2025-10-31 22:03:22 -05:00
scouting Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
scripts Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
tests CLAUDE: Refactor to reduce code fragility - extract business logic and add constants 2025-10-31 22:03:22 -05:00
.gitignore Batter stat generation complete 2024-10-19 01:05:23 -05:00
automated_data_fetcher.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
batter-deltas.csv Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
batting_stats.csv Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
check_cards.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
CLAUDE.md Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
creation_helpers.py CLAUDE: Refactor to reduce code fragility - extract business logic and add constants 2025-10-31 22:03:22 -05:00
db_calls_card_creation.py Consolidated db preparation 2023-09-07 13:14:32 -05:00
db_calls.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
exceptions.py Migrate to rotating file logger 2024-11-10 14:42:12 -06:00
live_series_update.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
new-batters.csv Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
new-pitchers.csv Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
pitcher-deltas.csv Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
pitching_stats.csv Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
pkmn.json 1996 Data 2024-12-23 09:57:51 -06:00
post_raw_player_csv.py 1996 Data 2024-12-23 09:57:51 -06:00
PROMO_CARD_FIX.md CLAUDE: Refactor to reduce code fragility - extract business logic and add constants 2025-10-31 22:03:22 -05:00
pull_pitching_stats.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
pybaseball_doodling.py Batter stat generation complete 2024-10-19 01:05:23 -05:00
pytest.ini Moving older scripts into holding cell 2024-10-17 09:28:02 -05:00
README.txt Migrate db calls to aiohttp 2023-11-19 12:27:40 -06:00
REFACTORING_SUMMARY.md CLAUDE: Refactor to reduce code fragility - extract business logic and add constants 2025-10-31 22:03:22 -05:00
refresh_cards.py Refactor refresh_cards 2025-02-09 01:17:58 -06:00
requirements.txt Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
retrosheet_data.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
retrosheet.db Add retrosheet db 2024-10-17 09:28:59 -05:00
scouting_batters.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
scouting_pitchers.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00
test_data_fetcher_demo.py Claude introduction & Live Series Update 2025-07-22 09:24:34 -05:00











#######
CARD CREATION PROCESS
#######

1) Download stats
    FanGraphs / https://www.fangraphs.com/leaders/splits-leaderboards
    - Batting
        - vL Standard / vlhp-basic.csv
        - vL Batted Balls / vlhp-rate.csv
        - vR Standard / vrhp-basic.csv
        - vR Batted Balls / vrhp-rate.csv
    - Pitching
        - vL Standard / vlhh-basic.csv
        - vL Batted Balls / vlhh-rate.csv
        - vR Standard / vrhh-basic.csv
        - vR Batted Balls / vrhh-rate.csv
    Baseball Reference
    - running.csv
        - https://www.baseball-reference.com/leagues/majors/2023-baserunning-batting.shtml
        - Remove header lines
    - pitching.csv
        - https://www.baseball-reference.com/leagues/majors/2023-standard-pitching.shtml
2) Run Card Updates (Python Configuration)
3) Check Card Validity (Python Configuration)



























#######
OLD DATA REQUIREMENTS
#######

- Add any new players to players.csv for import
- Create directory in /data-input in format `XXXX Season Cardset`
- Upload the following csv files:
    - baserunning-data.csv
        - https://www.baseball-reference.com/leagues/majors/2023-baserunning-batting.shtml
        - Remove header lines
    - batter-stats.csv
        - https://www.fangraphs.com/leaders/splits-leaderboards
        - Remove header lines
        - 20 PA vL / 40 PA vR for Live || 50 PA vL / 75 PA vR for legacy seasons
    - defense-X.csv (each position)
        - https://www.baseball-reference.com/leagues/majors/2023-specialpos_p-fielding.shtml
        - replace the `p` in `p-fielding` with 1b/2b/lf
        - Column Changes (pre-2013)
            - Catchers: add column between Rgood and RsbC
            - 1b/2b/3b/ss: add 3 columns between Rgood and Rbnt
    - defense-of.csv (don't forget combined OF)
        - https://www.baseball-reference.com/leagues/majors/2023-specialpos_of-fielding.shtml
        - replace the `p` in `p-fielding` with of
    - pitcher-data.csv
        - https://www.baseball-reference.com/leagues/majors/2023-standard-pitching.shtml
    - pitcher-stats.csv
        - https://www.fangraphs.com/leaders/splits-leaderboards
        - Remove header lines
        - 20 TBF vL / 40 TBF vR for Live || 50 TBF vL / 75 TBF vR for legacy seasons

#######
OLD CARD CREATION PROCESS
#######

1) Import new players for sba_id with `1. Import Players`
2) Confirm cardset exists; if not, create now
3) Create cards with `3. Card Creation`
4) Generate csv output with `4. Card Output`
5) Upload output files into Sheets for Component Studio import
6) Upload ratings output files into Sheets for PD Ratings Guide
7) Import cards into Component Studio
8) Export -> Download All from Component Studio
9) Rename image files to <first>.<last>.png