//! Traits describing everything the core needs from a persistence layer.
//! The implementation lives in `services/database` (sqlx/postgres).
//!
//! Thanks to this indirection the business logic never depends on sqlx, and can
//! be tested against another implementation.

use async_trait::async_trait;
use thiserror::Error;

use crate::core::repositories::{
    course_files_repository::CourseFilesRepository, courses_repository::CoursesRepository,
    grades_repository::GradesRepository, tags_repository::TagsRepository,
    tasks_repository::TasksRepository,
};

pub mod course_files_repository;
pub mod courses_repository;
pub mod grades_repository;
pub mod pdf_renderer;
pub mod storage_repository;
pub mod tags_repository;
pub mod tasks_repository;
pub mod time_tracker;

/// Add every new repository trait here so the controller can use it through `db`
#[async_trait]
pub trait DatabaseRepository:
    CoursesRepository
    + TagsRepository
    + GradesRepository
    + TasksRepository
    + CourseFilesRepository
    + Send
    + Sync
{
}

#[derive(Error, Debug)]
pub enum RepositoryError {
    #[error("not found: {0}")]
    NotFound(String),
    #[error("type conversion error: {0}")]
    TypeConversion(String),
    #[error("Internal error: {0}")]
    Internal(String),
}