# Design draft

This document is at the attention of the developers of sqlxgentools.

## Implementing basic relation ship

### Issues

Problems with Struct non-flexibility

### Turning the problem around: Views

### hasMany / belongsTo relationship

So we can implements a method

```rs
use repositories::impls::post::RelationShips;

let post = PostRepository::new(db).get_one_by_id("id_machin")?;
post.first_name // OK
let authors = post.get_authors()? // we need to require the implementation

```

.relations() => give you a RelationFetcherBuilder
.of(entity) => give you a RelationFetcher
.author

```rs

let post_repo = PostRepository::new(db);
let author: User = post_repo.relations()
    .of(post)
    .author().ok_or(Err)?;
let comments: Vec<Comment> = post_repo.relations()
    .of(post)
    .comments().ok_or(Err)?;
```