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FGO game data API

HTTP API for FGO game data. Transform the raw game data into something a bit more manageable.

View the API documentation here: https://api.atlasacademy.io.

If you are looking for only the type definitions and enums. You can download the fgo-api-types package.

Configuration

List of configuration variables for the main app. You can make a config.json file at the project root with the settings. Check the config.sample.json file for an example.

Required variables

  • DATA: A JSON object with keys being region and values being gamedata's folder location and Postgresql DSN. Not all regions are required in the object. Any combination of regions is accepted.
  • REDISDSN: Redis DSN to a Redis server for caching.
Optional variables (click to show)
  • REDIS_PREFIX: default to fgoapi. Prefix for redis keys.
  • CLEAR_REDIS_CACHE: default to True. If set, will clear the redis cache on start and when the webhook above is used.
  • RAYSHIFT_API_KEY: default to "". Rayshift.io API key to pull quest data.
  • RAYSHIFT_API_URL: default to https://rayshift.io/api/v1/. Rayshift.io API URL.
  • QUEST_CACHE_LENGTH: default to 3600. How long to cache the quest and war endpoints in seconds. Because the rayshift data is updated continously, web and quest endpoints have lower cache time.
  • DB_POOL_SIZE: defaults to 3. Default pool size for SQLAlchemy connection pool. https://docs.sqlalchemy.org/en/14/core/pooling.html#sqlalchemy.pool.QueuePool.params.pool_size
  • DB_MAX_OVERFLOW: defaults to 10. Max overflow for SQLAlchemy connection pool. https://docs.sqlalchemy.org/en/14/core/pooling.html#sqlalchemy.pool.QueuePool.params.max_overflow
  • WRITE_POSTGRES_DATA: default to True. Overwrite the data in PostgreSQL when importing.
  • WRITE_REDIS_DATA: default to True. Overwrite the data in Redis when importing.
  • ASSET_URL: defaults to https://assets.atlasacademy.io/GameData/. Base URL for the game assets.
  • OPENAPI_URL: default to None. Set the server URL in the openapi schema export.
  • EXPORT_ALL_NICE: default to False. If set to True, at start the app will generate nice data of all servant and CE and serve them at the /export endpoint. It's recommended to serve the files in the /export folder using nginx or equivalent webserver to lighten the load on the API server.
  • DOCUMENTATION_ALL_NICE: default to False. If set to True, there will be links to the exported all nice files in the documentation.
  • GITHUB_WEBHOOK_SECRET: default to "". If set, will add a webhook location at /GITHUB_WEBHOOK_SECRET/update that will pull and update the game data. If it's not set, the endpoint is not created.
  • GITHUB_WEBHOOK_GIT_PULL: default to False. If set, the app will do git pull on the gamedata repos when the webhook above is used.
Other ways to set the variables (click to show)

Environment Variables

The variables can also be set as environment variables.

Secrets

Secret variables can be put in the secrets folder instead of being supplied as environment variable:

> cat .\secrets\rayshift_api_key
eca334a9-3289-4ad7-9b92-1ec2bbc3fc19
> cat .\secrets\redisdsn
redis://localhost

Settings at a higher level will override the settings at a lower level.

  1. Secrets variable
  2. Enviornment variable
  3. .env file
  4. config.json

Development environment set up

Make sure poetry is installed: https://python-poetry.org/docs/#installation.

Docker is recommended to set up the Postgres and redis servers but those can be set up manually as well. Postgres needs the PGroonga extension installed.

git clone --depth 1 --branch JP https://github.com/atlasacademy/fgo-game-data.git fgo-game-data-jp
git clone --depth 1 --branch NA https://github.com/atlasacademy/fgo-game-data.git fgo-game-data-na

# It's not neccecary to clone the other regions.
git clone --depth 1 --branch CN https://github.com/atlasacademy/fgo-game-data.git fgo-game-data-cn
git clone --depth 1 --branch KR https://github.com/atlasacademy/fgo-game-data.git fgo-game-data-kr
git clone --depth 1 --branch TW https://github.com/atlasacademy/fgo-game-data.git fgo-game-data-tw

git clone https://github.com/atlasacademy/fgo-game-data-api.git
cd fgo-game-data-api

# If you didn't clone other game data regions, remove them from the data field in config.json,
# and the services key in docker-compose.sample.yaml
cp config.sample.json config.json
cp docker-compose.sample.yml docker-compose.yml

docker-compose up -d

# Make sure you have the build prerequisites for psycopg2 installed if you are installing on Linux or macOS.
# https://www.psycopg.org/docs/install.html#build-prerequisites
# Debian/Ubuntu: sudo apt install libpq-dev python3-dev
# CentOS: sudo yum install python-devel postgresql-devel
poetry install
poetry shell

Run the API server

Run at the project root to start the API server:

> uvicorn app.main:app --reload --log-level debug --reload-dir app

INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [16680] using watchgod
INFO      fgoapi: Loading game data …
INFO      fgoapi: Loaded game data in 15.14s.
INFO:     Started server process [33312]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
DEBUG     fgoapi: Processed in 0.21ms.
INFO:     127.0.0.1:56759 - "GET / HTTP/1.1" 307 Temporary Redirect
DEBUG     fgoapi: Processed in 0.24ms.
INFO:     127.0.0.1:56759 - "GET /rapidoc HTTP/1.1" 200 OK

Go to http://127.0.0.1:8000 for the API documentation.

Tips:

  • Change write_postgres_data to false after the first run to speed up reloading if it's not needed (schema doesn't change or data hasn't changed).

Architecture

  • main.py: Main entrypoint of the application.
  • routers/: Routers to deal with incoming requests. The routers call functions from core to get the response data.
  • core/: Build response data. Get raw data from either db/helpers/ or redis/helpers/.
  • data/: Import translation data into memory. Preprocess data to be imported into db and redis.
  • db/: DB stuffs.
    • db/helpers/: Functions to be used by core to get data from Postgres.
  • redis/: Redis stuffs.
    • redis/helpers/: Functions to be used by core to get data from Redis.
  • schemas/: Response Pydantic models.
  • models/: SQLAlchemy Core Tables.

Linting

ruff and mypy are used to lint the code. ruff's configuration and mypy's configuration are in pyproject.toml.

./scripts/lint.ps1

Formatting

isort and black are used to format the code. isort's configuration is in pyproject.toml and black uses default settings. prettier is used to format the json files.

./scripts/format.ps1

Dependencies

Use poetry to manage the dependencies. Run poetry export after adding a production dependency.

poetry export -f requirements.txt -o requirements.txt

Testing

Run pytest at project root to run the tests or use coverage to get coverage statistics.

./scripts/test.ps1

Helper scripts

format.ps1

Format all files with black, isort and prettier.

./scripts/format.ps1

extract_enums.py

Take the dump.cs generated by Il2CppDumper and write the gameenums.py file.

python scripts/extract_enums.py dump.cs_path app/schemas/gameenums.py

update_ce_translation.py

Update translation files with new NA CEs translations. --jp-master and --na-master arguments are not needed if environment variables JP_GAMEDATA and NA_GAMEDATA are set, added to the .env file or set in config.json.

python scripts/update_ce_translation.py --jp-master jp_master_path --na-master na_master_path

load_rayshift_quest_list.py

Update the rayshiftQuest tables with the list of available quests from Rayshift. This script should be run periodically to update the rayshiftQuest list.

python -m scripts.load_rayshift_quest_list

get_test_data.py

Run this script when the master data changed to update the tests or when new tests are added.

python -m tests.get_test_data --raw --nice --basic

niceexport.py

Run this script to update the static export files in export/ folder.

python -m export.niceexport
./scripts/format.ps1