rustango 0.51.2

Django-shaped batteries-included web framework for Rust: ORM + migrations + auto-admin + multi-tenancy + audit log + auth (sessions, JWT, OAuth2/OIDC, HMAC) + APIs (ViewSet, OpenAPI auto-derive, JSON:API) + jobs (in-mem + Postgres) + email + media (S3 / R2 / B2 / MinIO + presigned uploads + collections + tags) + production middleware (CSRF, CSP, rate-limiting, compression, idempotency, etc.).
Documentation 
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//! `MediaCollection` — hierarchical "where the file lives" folders.
//! One [`Media`] row belongs to at most one collection; collections
//! nest via `parent_id`.
//!
//! Sibling to [`crate::media::tag::MediaTag`]: collections express
//! exclusive location ("/products/2026/launch/"), tags express
//! inclusive labels ("featured", "approved"). Both are
//! orthogonal — Media has at most one collection FK and any number
//! of tag M2M rows.
//!
//! Soft-deleted via `deleted_at`. `slug` is unique and path-friendly.
//! A managed `#[derive(Model)]` on a `rustango_*` table, so its schema is
//! emitted as an ordinary **system migration** — there is no lazy
//! `ensure_*` creation layer.
//!
//! [`Media`]: crate::media::Media

use crate::sql::Auto;

/// One folder. Cheap to clone.
#[derive(crate::Model, Debug, Clone)]
#[rustango(table = "rustango_media_collections")]
pub struct MediaCollection {
    #[rustango(primary_key)]
    pub id: Auto<i64>,
    #[rustango(max_length = 255)]
    pub name: String,
    /// Path-friendly id, unique across the table.
    #[rustango(max_length = 255, unique)]
    pub slug: String,
    #[rustango(index)]
    pub parent_id: Option<i64>,
    #[rustango(default = "")]
    pub description: String,
    /// Set on INSERT via the per-dialect `DEFAULT NOW()`.
    #[rustango(auto_now_add)]
    pub created_at: Auto<chrono::DateTime<chrono::Utc>>,
    pub deleted_at: Option<chrono::DateTime<chrono::Utc>>,
}