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db-adapter

A wrapper around Botanist database scheme

Objective

This crate was built with the intent to provide a safe wrapper around Botanist's database scheme. This way invariants remain true at all times, no other tool can mess the data in an incorrect way.

Centralizing the interactions with the database also allows finer control over iterations of its scheme. On that note changes in the scheme are done through migrations scripts (see the migrations) folder. Hence the setup of the databse is made very simple with sqlx's cli tool. Moreover deviations from the scheme provided by the migration scripts will be detected by the tests (see tests/framework and migrate).

Finally providing a rust library allows db_adapter to provide useful abstractions.

Setup

Setup is intended to be as simple as possible so if you find some way to simplify a step please open an issue. First of all make sure you have a posgresql database up and running. Search online for walkthroughs if you don't know how. Then rename .env-example to .env and enter make sure you place your values in it. Now install sqlx-cli and run the migrations using sqlx migrate run. If you set up the DB and .env correctly you should be good to go! If you're only using the library you don't need to do anuything else but you could still run the tests just in case: cargo t.

Developement

To contribute to db_adapter you should setup the test environement. In addition to the previous section's steps you should setup another DB for the tests and refer it in .env. From there you can dive in the code! Just make sure you don't break any invariants and remember to respect semver. You are also expected to document and tests any item added to the public API.